It buildsgit add src/git add src/

Signed-off-by: Ana Hobden <operator@hoverbear.org>

src/actions/base/configure_nix_daemon_service.rs

@@ -5,7 +5,7 @@ use tokio::process::Command;
 
 use crate::{execute_command, HarmonicError};
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 const SERVICE_SRC: &str = "/nix/var/nix/profiles/default/lib/systemd/system/nix-daemon.service";
 const SOCKET_SRC: &str = "/nix/var/nix/profiles/default/lib/systemd/system/nix-daemon.socket";
@@ -13,20 +13,24 @@ const TMPFILES_SRC: &str = "/nix/var/nix/profiles/default//lib/tmpfiles.d/nix-da
 const TMPFILES_DEST: &str = "/etc/tmpfiles.d/nix-daemon.conf";
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-pub struct ConfigureNixDaemonService {}
+pub struct ConfigureNixDaemonService {
+    action_state: ActionState,
+}
 
 impl ConfigureNixDaemonService {
     #[tracing::instrument(skip_all)]
-    pub async fn plan() -> Result<Self, HarmonicError> {
+    pub async fn plan() -> Result<Self, ConfigureNixDaemonServiceError> {
         if !Path::new("/run/systemd/system").exists() {
-            return Err(HarmonicError::InitNotSupported);
+            return Err(ConfigureNixDaemonServiceError::InitNotSupported);
         }
-        Ok(Self {})
+        Ok(Self {
+            action_state: ActionState::Planned,
+        })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<ConfigureNixDaemonService> {
+impl Actionable for ConfigureNixDaemonService {
     type Error = ConfigureNixDaemonServiceError;
     fn description(&self) -> Vec<ActionDescription> {
         vec![ActionDescription::new(
@@ -42,33 +46,33 @@ impl Actionable for ActionState<ConfigureNixDaemonService> {
 
     #[tracing::instrument(skip_all)]
     async fn execute(&mut self) -> Result<(), Self::Error> {
+        let Self { action_state } = self;
         tracing::info!("Configuring nix daemon service");
 
         tracing::trace!(src = TMPFILES_SRC, dest = TMPFILES_DEST, "Symlinking");
         tokio::fs::symlink(TMPFILES_SRC, TMPFILES_DEST)
             .await
             .map_err(|e| {
-                HarmonicError::Symlink(PathBuf::from(TMPFILES_SRC), PathBuf::from(TMPFILES_DEST), e)
+                Self::Error::Symlink(PathBuf::from(TMPFILES_SRC), PathBuf::from(TMPFILES_DEST), e)
             })?;
 
         execute_command(
             Command::new("systemd-tmpfiles")
                 .arg("--create")
                 .arg("--prefix=/nix/var/nix"),
-            false,
         )
-        .await?;
+        .await.map_err(Self::Error::CommandFailed)?;
 
         execute_command(
             Command::new("systemctl").arg("link").arg(SERVICE_SRC),
-            false,
         )
-        .await?;
+        .await.map_err(Self::Error::CommandFailed)?;
 
-        execute_command(Command::new("systemctl").arg("link").arg(SOCKET_SRC), false).await?;
+        execute_command(Command::new("systemctl").arg("link").arg(SOCKET_SRC)).await.map_err(Self::Error::CommandFailed)?;
 
-        execute_command(Command::new("systemctl").arg("daemon-reload"), false).await?;
+        execute_command(Command::new("systemctl").arg("daemon-reload")).await.map_err(Self::Error::CommandFailed)?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -83,17 +87,28 @@ impl Actionable for ActionState<ConfigureNixDaemonService> {
 
 
 
-impl From<ActionState<ConfigureNixDaemonService>> for ActionState<Action> {
+impl From<ConfigureNixDaemonService> for Action {
-    fn from(v: ActionState<ConfigureNixDaemonService>) -> Self {
+    fn from(v: ConfigureNixDaemonService) -> Self {
-        match v {
+        Action::ConfigureNixDaemonService(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::ConfigureNixDaemonService(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::ConfigureNixDaemonService(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::ConfigureNixDaemonService(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum ConfigureNixDaemonServiceError {
-
+    #[error("Symlinking from `{0}` to `{1}`")]
+    Symlink(
+        std::path::PathBuf,
+        std::path::PathBuf,
+        #[source]
+        #[serde(serialize_with = "crate::serialize_error_to_display")]
+        std::io::Error
+    ),
+    #[error("Command `{0}` failed to execute")]
+    CommandFailed(
+        #[source]
+        #[serde(serialize_with = "crate::serialize_error_to_display")]
+        std::io::Error
+    ),
+    #[error("No supported init system found")]
+    InitNotSupported,
 }

src/actions/base/create_directory.rs

@@ -6,7 +6,7 @@ use tokio::fs::create_dir;
 
 use crate::HarmonicError;
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct CreateDirectory {
@@ -14,6 +14,7 @@ pub struct CreateDirectory {
     user: String,
     group: String,
     mode: u32,
+    action_state: ActionState,
 }
 
 impl CreateDirectory {
@@ -24,11 +25,11 @@ impl CreateDirectory {
         group: String,
         mode: u32,
         force: bool,
-    ) -> Result<Self, HarmonicError> {
+    ) -> Result<Self, CreateDirectoryError> {
         let path = path.as_ref();
 
         if path.exists() && !force {
-            return Err(HarmonicError::CreateDirectory(
+            return Err(CreateDirectoryError::Exists(
                 path.to_path_buf(),
                 std::io::Error::new(
                     std::io::ErrorKind::AlreadyExists,
@@ -42,12 +43,13 @@ impl CreateDirectory {
             user,
             group,
             mode,
+            action_state: ActionState::Planned,
         })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<CreateDirectory> {
+impl Actionable for CreateDirectory {
     type Error = CreateDirectoryError;
     fn description(&self) -> Vec<ActionDescription> {
         let Self {
@@ -55,6 +57,7 @@ impl Actionable for ActionState<CreateDirectory> {
             user,
             group,
             mode,
+            action_state,
         } = &self;
         vec![ActionDescription::new(
             format!("Create the directory `{}`", path.display()),
@@ -72,23 +75,25 @@ impl Actionable for ActionState<CreateDirectory> {
             user,
             group,
             mode,
+            action_state,
         } = self;
 
         let gid = Group::from_name(group.as_str())
-            .map_err(|e| HarmonicError::GroupId(group.clone(), e))?
+            .map_err(|e| Self::Error::GroupId(group.clone(), e))?
-            .ok_or(HarmonicError::NoGroup(group.clone()))?
+            .ok_or(Self::Error::NoGroup(group.clone()))?
             .gid;
         let uid = User::from_name(user.as_str())
-            .map_err(|e| HarmonicError::UserId(user.clone(), e))?
+            .map_err(|e| Self::Error::UserId(user.clone(), e))?
-            .ok_or(HarmonicError::NoUser(user.clone()))?
+            .ok_or(Self::Error::NoUser(user.clone()))?
             .uid;
 
         tracing::trace!(path = %path.display(), "Creating directory");
         create_dir(path.clone())
             .await
-            .map_err(|e| HarmonicError::CreateDirectory(path.clone(), e))?;
+            .map_err(|e| Self::Error::Creating(path.clone(), e))?;
-        chown(&path, Some(uid), Some(gid)).map_err(|e| HarmonicError::Chown(path.clone(), e))?;
+        chown(path, Some(uid), Some(gid)).map_err(|e| Self::Error::Chown(path.clone(), e))?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -102,18 +107,27 @@ impl Actionable for ActionState<CreateDirectory> {
 }
 
 
-impl From<ActionState<CreateDirectory>> for ActionState<Action> {
+impl From<CreateDirectory> for Action {
-    fn from(v: ActionState<CreateDirectory>) -> Self {
+    fn from(v: CreateDirectory) -> Self {
-        match v {
+        Action::CreateDirectory(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::CreateDirectory(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::CreateDirectory(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::CreateDirectory(v)),
-        }
     }
 }
 
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum CreateDirectoryError {
-
+    #[error("Directory exists `{0}`")]
+    Exists(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
+    #[error("Creating directory `{0}`")]
+    Creating(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
+    #[error("Chowning directory `{0}`")]
+    Chown(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
+    #[error("Getting uid for user `{0}`")]
+    UserId(String, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
+    #[error("Getting user `{0}`")]
+    NoUser(String),
+    #[error("Getting gid for group `{0}`")]
+    GroupId(String, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
+    #[error("Getting group `{0}`")]
+    NoGroup(String),
 }

src/actions/base/create_file.rs

@@ -6,7 +6,7 @@ use tokio::{
     io::AsyncWriteExt,
 };
 
-use crate::{HarmonicError, actions::{ActionState, Action}};
+use crate::{HarmonicError, actions::{ActionState, Action, ActionError}};
 
 use crate::actions::{ActionDescription, Actionable};
 
@@ -18,6 +18,7 @@ pub struct CreateFile {
     mode: u32,
     buf: String,
     force: bool,
+    action_state: ActionState,
 }
 
 impl CreateFile {
@@ -29,17 +30,11 @@ impl CreateFile {
         mode: u32,
         buf: String,
         force: bool,
-    ) -> Result<Self, HarmonicError> {
+    ) -> Result<Self, CreateFileError> {
         let path = path.as_ref().to_path_buf();
 
         if path.exists() && !force {
-            return Err(HarmonicError::CreateFile(
+            return Err(CreateFileError::Exists(path.to_path_buf()));
-                path.to_path_buf(),
-                std::io::Error::new(
-                    std::io::ErrorKind::AlreadyExists,
-                    format!("Directory `{}` already exists", path.display()),
-                ),
-            ));
         }
 
         Ok(Self {
@@ -49,12 +44,13 @@ impl CreateFile {
             mode,
             buf,
             force,
+            action_state: ActionState::Planned,
         })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<CreateFile> {
+impl Actionable for CreateFile {
     type Error = CreateFileError;
     fn description(&self) -> Vec<ActionDescription> {
         let Self {
@@ -64,6 +60,7 @@ impl Actionable for ActionState<CreateFile> {
             mode,
             buf,
             force,
+            action_state: _,
         } = &self;
         vec![ActionDescription::new(
             format!("Create or overwrite file `{}`", path.display()),
@@ -82,6 +79,7 @@ impl Actionable for ActionState<CreateFile> {
             mode,
             buf,
             force: _,
+            action_state,
         } = self;
         tracing::trace!(path = %path.display(), "Creating file");
         let mut file = OpenOptions::new()
@@ -90,24 +88,25 @@ impl Actionable for ActionState<CreateFile> {
             .read(true)
             .open(&path)
             .await
-            .map_err(|e| HarmonicError::OpenFile(path.to_owned(), e))?;
+            .map_err(|e| Self::Error::OpenFile(path.to_owned(), e))?;
 
         file.write_all(buf.as_bytes())
             .await
-            .map_err(|e| HarmonicError::WriteFile(path.to_owned(), e))?;
+            .map_err(|e| Self::Error::WriteFile(path.to_owned(), e))?;
 
         let gid = Group::from_name(group.as_str())
-            .map_err(|e| HarmonicError::GroupId(group.clone(), e))?
+            .map_err(|e| Self::Error::GroupId(group.clone(), e))?
-            .ok_or(HarmonicError::NoGroup(group.clone()))?
+            .ok_or(Self::Error::NoGroup(group.clone()))?
             .gid;
         let uid = User::from_name(user.as_str())
-            .map_err(|e| HarmonicError::UserId(user.clone(), e))?
+            .map_err(|e| Self::Error::UserId(user.clone(), e))?
-            .ok_or(HarmonicError::NoUser(user.clone()))?
+            .ok_or(Self::Error::NoUser(user.clone()))?
             .uid;
         
         tracing::trace!(path = %path.display(), "Chowning file");
-        chown(&path, Some(uid), Some(gid)).map_err(|e| HarmonicError::Chown(path.clone(), e))?;
+        chown(path, Some(uid), Some(gid)).map_err(|e| Self::Error::Chown(path.clone(), e))?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -120,17 +119,28 @@ impl Actionable for ActionState<CreateFile> {
     }
 }
 
-impl From<ActionState<CreateFile>> for ActionState<Action> {
+impl From<CreateFile> for Action {
-    fn from(v: ActionState<CreateFile>) -> Self {
+    fn from(v: CreateFile) -> Self {
-        match v {
+        Action::CreateFile(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::CreateFile(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::CreateFile(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::CreateFile(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum CreateFileError {
-
+    #[error("File exists `{0}`")]
+    Exists(std::path::PathBuf),
+    #[error("Open file `{0}`")]
+    OpenFile(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
+    #[error("Write file `{0}`")]
+    WriteFile(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
+    #[error("Getting uid for user `{0}`")]
+    UserId(String, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
+    #[error("Getting user `{0}`")]
+    NoUser(String),
+    #[error("Getting gid for group `{0}`")]
+    GroupId(String, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
+    #[error("Getting group `{0}`")]
+    NoGroup(String),
+    #[error("Chowning directory `{0}`")]
+    Chown(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
 }

src/actions/base/create_group.rs

@@ -3,26 +3,27 @@ use tokio::process::Command;
 
 use crate::{HarmonicError, execute_command};
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct CreateGroup {
     name: String,
     gid: usize,
+    action_state: ActionState,
 }
 
 impl CreateGroup {
     #[tracing::instrument(skip_all)]
     pub fn plan(name: String, gid: usize) -> Self {
-        Self { name, gid }
+        Self { name, gid, action_state: ActionState::Planned }
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<CreateGroup> {
+impl Actionable for CreateGroup {
-    type Error = CreateOrAppendFileError;
+    type Error = CreateGroupError;
     fn description(&self) -> Vec<ActionDescription> {
-        let Self { name, gid } = &self;
+        let Self { name, gid, action_state: _ } = &self;
         vec![ActionDescription::new(
             format!("Create group {name} with GID {gid}"),
             vec![format!(
@@ -33,13 +34,14 @@ impl Actionable for ActionState<CreateGroup> {
 
     #[tracing::instrument(skip_all)]
     async fn execute(&mut self) -> Result<(), Self::Error> {
-        let Self { name, gid } = self;
+        let Self { name, gid, action_state } = self;
 
         execute_command(
             Command::new("groupadd").args(["-g", &gid.to_string(), "--system", &name]),
-            false,
+        ).await.map_err(CreateGroupError::Command)?;
-        ).await?;
 
+
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -51,16 +53,14 @@ impl Actionable for ActionState<CreateGroup> {
     }
 }
 
-impl From<ActionState<CreateGroup>> for ActionState<Action> {
+impl From<CreateGroup> for Action {
-    fn from(v: ActionState<CreateGroup>) -> Self {
+    fn from(v: CreateGroup) -> Self {
-        match v {
+        Action::CreateGroup(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::CreateGroup(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::CreateGroup(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::CreateGroup(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum CreateGroupError {
+    #[error("Failed to execute command")]
+    Command(#[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error)
 }

src/actions/base/create_or_append_file.rs

@@ -9,7 +9,7 @@ use tokio::{
     io::{AsyncSeekExt, AsyncWriteExt},
 };
 
-use crate::{HarmonicError, actions::{ActionState, Action}};
+use crate::{HarmonicError, actions::{ActionState, Action, ActionError}};
 
 use crate::actions::{ActionDescription, Actionable};
 
@@ -20,6 +20,7 @@ pub struct CreateOrAppendFile {
     group: String,
     mode: u32,
     buf: String,
+    action_state: ActionState,
 }
 
 impl CreateOrAppendFile {
@@ -30,7 +31,7 @@ impl CreateOrAppendFile {
         group: String,
         mode: u32,
         buf: String,
-    ) -> Result<Self, HarmonicError> {
+    ) -> Result<Self, CreateOrAppendFileError> {
         let path = path.as_ref().to_path_buf();
 
         Ok(Self {
@@ -39,12 +40,13 @@ impl CreateOrAppendFile {
             group,
             mode,
             buf,
+            action_state: ActionState::Planned,
         })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<CreateOrAppendFile> {
+impl Actionable for CreateOrAppendFile {
     type Error = CreateOrAppendFileError;
     fn description(&self) -> Vec<ActionDescription> {
         let Self {
@@ -53,6 +55,7 @@ impl Actionable for ActionState<CreateOrAppendFile> {
             group,
             mode,
             buf,
+            action_state: _,
         } = &self;
         vec![ActionDescription::new(
             format!("Create or append file `{}`", path.display()),
@@ -70,6 +73,7 @@ impl Actionable for ActionState<CreateOrAppendFile> {
             group,
             mode,
             buf,
+            action_state,
         } = self;
 
         tracing::trace!(path = %path.display(), "Creating or appending");
@@ -79,27 +83,28 @@ impl Actionable for ActionState<CreateOrAppendFile> {
             .read(true)
             .open(&path)
             .await
-            .map_err(|e| HarmonicError::OpenFile(path.to_owned(), e))?;
+            .map_err(|e| Self::Error::OpenFile(path.to_owned(), e))?;
 
         file.seek(SeekFrom::End(0))
             .await
-            .map_err(|e| HarmonicError::SeekFile(path.to_owned(), e))?;
+            .map_err(|e| Self::Error::SeekFile(path.to_owned(), e))?;
         file.write_all(buf.as_bytes())
             .await
-            .map_err(|e| HarmonicError::WriteFile(path.to_owned(), e))?;
+            .map_err(|e| Self::Error::WriteFile(path.to_owned(), e))?;
 
         let gid = Group::from_name(group.as_str())
-            .map_err(|e| HarmonicError::GroupId(group.clone(), e))?
+            .map_err(|e| Self::Error::GroupId(group.clone(), e))?
-            .ok_or(HarmonicError::NoGroup(group.clone()))?
+            .ok_or(Self::Error::NoGroup(group.clone()))?
             .gid;
         let uid = User::from_name(user.as_str())
-            .map_err(|e| HarmonicError::UserId(user.clone(), e))?
+            .map_err(|e| Self::Error::UserId(user.clone(), e))?
-            .ok_or(HarmonicError::NoUser(user.clone()))?
+            .ok_or(Self::Error::NoUser(user.clone()))?
             .uid;
 
             tracing::trace!(path = %path.display(), "Chowning");
-        chown(&path, Some(uid), Some(gid)).map_err(|e| HarmonicError::Chown(path.clone(), e))?;
+        chown(path, Some(uid), Some(gid)).map_err(|e| Self::Error::Chown(path.clone(), e))?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -113,17 +118,28 @@ impl Actionable for ActionState<CreateOrAppendFile> {
 }
 
 
-impl From<ActionState<CreateOrAppendFile>> for ActionState<Action> {
+impl From<CreateOrAppendFile> for Action {
-    fn from(v: ActionState<CreateOrAppendFile>) -> Self {
+    fn from(v: CreateOrAppendFile) -> Self {
-        match v {
+        Action::CreateOrAppendFile(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::CreateOrAppendFile(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::CreateOrAppendFile(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::CreateOrAppendFile(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum CreateOrAppendFileError {
-
+    #[error("Open file `{0}`")]
+    OpenFile(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
+    #[error("Write file `{0}`")]
+    WriteFile(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
+    #[error("Seek file `{0}`")]
+    SeekFile(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
+    #[error("Getting uid for user `{0}`")]
+    UserId(String, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
+    #[error("Getting user `{0}`")]
+    NoUser(String),
+    #[error("Getting gid for group `{0}`")]
+    GroupId(String, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
+    #[error("Getting group `{0}`")]
+    NoGroup(String),
+    #[error("Chowning directory `{0}`")]
+    Chown(std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] nix::errno::Errno),
 }

src/actions/base/create_user.rs

@@ -3,24 +3,25 @@ use tokio::process::Command;
 
 use crate::{HarmonicError, execute_command};
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct CreateUser {
     name: String,
     uid: usize,
     gid: usize,
+    action_state: ActionState,
 }
 
 impl CreateUser {
     #[tracing::instrument(skip_all)]
     pub fn plan(name: String, uid: usize, gid: usize) -> Self {
-        Self { name, uid, gid }
+        Self { name, uid, gid, action_state: ActionState::Planned }
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<CreateUser> {
+impl Actionable for CreateUser {
     type Error = CreateUserError;
     fn description(&self) -> Vec<ActionDescription> {
         let name = &self.name;
@@ -35,7 +36,7 @@ impl Actionable for ActionState<CreateUser> {
 
     #[tracing::instrument(skip_all)]
     async fn execute(&mut self) -> Result<(), Self::Error> {
-        let Self { name, uid, gid } = self;
+        let Self { name, uid, gid, action_state } = self;
 
         execute_command(Command::new("useradd").args([
             "--home-dir",
@@ -55,8 +56,9 @@ impl Actionable for ActionState<CreateUser> {
             "--password",
             "\"!\"",
             &name.to_string(),
-        ]), false).await?;
+        ])).await.map_err(Self::Error::Command)?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -69,17 +71,14 @@ impl Actionable for ActionState<CreateUser> {
     }
 }
 
-impl From<ActionState<CreateUser>> for ActionState<Action> {
+impl From<CreateUser> for Action {
-    fn from(v: ActionState<CreateUser>) -> Self {
+    fn from(v: CreateUser) -> Self {
-        match v {
+        Action::CreateUser(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::CreateUser(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::CreateUser(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::CreateUser(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum CreateUserError {
-
+    #[error("Failed to execute command")]
+    Command(#[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error)
 }

src/actions/base/fetch_nix.rs

@@ -3,16 +3,17 @@ use std::path::{PathBuf};
 use bytes::Buf;
 use reqwest::Url;
 use serde::Serialize;
-use tokio::task::spawn_blocking;
+use tokio::task::{spawn_blocking, JoinError};
 
 use crate::HarmonicError;
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct FetchNix {
     url: Url,
     destination: PathBuf,
+    action_state: ActionState,
 }
 
 impl FetchNix {
@@ -21,15 +22,15 @@ impl FetchNix {
         // TODO(@hoverbear): Check URL exists?
         // TODO(@hoverbear): Check tempdir exists
 
-        Ok(Self { url, destination })
+        Ok(Self { url, destination, action_state: ActionState::Planned })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<FetchNix> {
+impl Actionable for FetchNix {
     type Error = FetchNixError;
     fn description(&self) -> Vec<ActionDescription> {
-        let Self { url, destination } = &self;
+        let Self { url, destination, action_state: _ } = &self;
         vec![ActionDescription::new(
             format!("Fetch Nix from `{url}`"),
             vec![format!(
@@ -41,20 +42,20 @@ impl Actionable for ActionState<FetchNix> {
 
     #[tracing::instrument(skip_all)]
     async fn execute(&mut self) -> Result<(), Self::Error> {
-        let Self { url, destination } = self;
+        let Self { url, destination, action_state } = self;
 
         tracing::trace!(%url, "Fetching url");
         let res = reqwest::get(url.clone())
             .await
-            .map_err(HarmonicError::Reqwest)?;
+            .map_err(Self::Error::Reqwest)?;
-        let bytes = res.bytes().await.map_err(HarmonicError::Reqwest)?;
+        let bytes = res.bytes().await.map_err(Self::Error::Reqwest)?;
         // TODO(@Hoverbear): Pick directory
         tracing::trace!("Unpacking tar.xz");
         let destination_clone = destination.clone();
-        let handle: Result<(), HarmonicError> = spawn_blocking(move || {
+        let handle: Result<(), Self::Error> = spawn_blocking(move || {
             let decoder = xz2::read::XzDecoder::new(bytes.reader());
             let mut archive = tar::Archive::new(decoder);
-            archive.unpack(&destination_clone).map_err(HarmonicError::Unarchive)?;
+            archive.unpack(&destination_clone).map_err(Self::Error::Unarchive)?;
             tracing::debug!(destination = %destination_clone.display(), "Downloaded & extracted Nix");
             Ok(())
         })
@@ -62,6 +63,7 @@ impl Actionable for ActionState<FetchNix> {
 
         handle?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -74,17 +76,22 @@ impl Actionable for ActionState<FetchNix> {
     }
 }
 
-impl From<ActionState<FetchNix>> for ActionState<Action> {
+impl From<FetchNix> for Action {
-    fn from(v: ActionState<FetchNix>) -> Self {
+    fn from(v: FetchNix) -> Self {
-        match v {
+        Action::FetchNix(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::FetchNix(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::FetchNix(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::FetchNix(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum FetchNixError {
-
+    #[error(transparent)]
+    Join(
+        #[from]
+        #[serde(serialize_with = "crate::serialize_error_to_display")]
+        JoinError
+    ),
+    #[error("Request error")]
+    Reqwest(#[from] #[source]  #[serde(serialize_with = "crate::serialize_error_to_display")] reqwest::Error),
+    #[error("Unarchiving error")]
+    Unarchive(#[source]  #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
 }

src/actions/base/move_unpacked_nix.rs

@@ -4,26 +4,27 @@ use serde::Serialize;
 
 use crate::HarmonicError;
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct MoveUnpackedNix {
     source: PathBuf,
+    action_state: ActionState,
 }
 
 impl MoveUnpackedNix {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(source: PathBuf) -> Result<Self, HarmonicError> {
+    pub async fn plan(source: PathBuf) -> Result<Self, MoveUnpackedNixError> {
         // Note: Do NOT try to check for the source/dest since the installer creates those
-        Ok(Self { source })
+        Ok(Self { source, action_state: ActionState::Planned })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<MoveUnpackedNix> {
+impl Actionable for MoveUnpackedNix {
     type Error = MoveUnpackedNixError;
     fn description(&self) -> Vec<ActionDescription> {
-        let Self { source } = &self;
+        let Self { source, action_state: _ } = &self;
         vec![ActionDescription::new(
             format!("Move the downloaded Nix into `/nix`"),
             vec![format!(
@@ -35,7 +36,7 @@ impl Actionable for ActionState<MoveUnpackedNix> {
 
     #[tracing::instrument(skip_all)]
     async fn execute(&mut self) -> Result<(), Self::Error> {
-        let Self { source } = self;
+        let Self { source, action_state } = self;
 
         // TODO(@Hoverbear): I would like to make this less awful
         let found_nix_paths =
@@ -51,8 +52,9 @@ impl Actionable for ActionState<MoveUnpackedNix> {
         let dest = Path::new("/nix/store");
         tokio::fs::rename(src.clone(), dest)
             .await
-            .map_err(|e| HarmonicError::Rename(src, dest.to_owned(), e))?;
+            .map_err(|e| MoveUnpackedNixError::Rename(src, dest.to_owned(), e))?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -65,17 +67,18 @@ impl Actionable for ActionState<MoveUnpackedNix> {
     }
 }
 
-impl From<ActionState<MoveUnpackedNix>> for ActionState<Action> {
+impl From<MoveUnpackedNix> for Action {
-    fn from(v: ActionState<MoveUnpackedNix>) -> Self {
+    fn from(v: MoveUnpackedNix) -> Self {
-        match v {
+        Action::MoveUnpackedNix(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::MoveUnpackedNix(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::MoveUnpackedNix(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::MoveUnpackedNix(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum MoveUnpackedNixError {
-
+    #[error("Glob pattern error")]
+    GlobPatternError(#[from] #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] glob::PatternError),
+    #[error("Glob globbing error")]
+    GlobGlobError(#[from] #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] glob::GlobError),
+    #[error("Rename `{0}` to `{1}`")]
+    Rename(std::path::PathBuf, std::path::PathBuf, #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error),
 }

src/actions/base/place_channel_configuration.rs

@@ -3,7 +3,7 @@ use serde::Serialize;
 
 use crate::HarmonicError;
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 use super::{CreateFile, CreateFileError};
 
@@ -13,11 +13,12 @@ const NIX_CHANNELS_PATH: &str = "/root/.nix-channels";
 pub struct PlaceChannelConfiguration {
     channels: Vec<(String, Url)>,
     create_file: CreateFile,
+    action_state: ActionState,
 }
 
 impl PlaceChannelConfiguration {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(channels: Vec<(String, Url)>, force: bool) -> Result<Self, HarmonicError> {
+    pub async fn plan(channels: Vec<(String, Url)>, force: bool) -> Result<Self, PlaceChannelConfigurationError> {
         let buf = channels
             .iter()
             .map(|(name, url)| format!("{} {}", url, name))
@@ -28,17 +29,19 @@ impl PlaceChannelConfiguration {
         Ok(Self {
             create_file,
             channels,
+            action_state: ActionState::Planned,
         })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<PlaceChannelConfiguration> {
+impl Actionable for PlaceChannelConfiguration {
     type Error = PlaceChannelConfigurationError;
     fn description(&self) -> Vec<ActionDescription> {
         let Self {
             channels,
              create_file,
+             action_state: _,
         } = self;
         vec![ActionDescription::new(
             "Place a channel configuration".to_string(),
@@ -51,10 +54,12 @@ impl Actionable for ActionState<PlaceChannelConfiguration> {
         let Self {
             create_file,
             channels,
+            action_state,
         } = self;
         
         create_file.execute().await?;
         
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -67,18 +72,15 @@ impl Actionable for ActionState<PlaceChannelConfiguration> {
     }
 }
 
-impl From<ActionState<PlaceChannelConfiguration>> for ActionState<Action> {
+impl From<PlaceChannelConfiguration> for Action {
-    fn from(v: ActionState<PlaceChannelConfiguration>) -> Self {
+    fn from(v: PlaceChannelConfiguration) -> Self {
-        match v {
+        Action::PlaceChannelConfiguration(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::PlaceChannelConfiguration(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::PlaceChannelConfiguration(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::PlaceChannelConfiguration(v)),
-        }
     }
 }
 
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum PlaceChannelConfigurationError {
-
+    #[error(transparent)]
+    CreateFile(#[from] CreateFileError),
 }

src/actions/base/place_nix_configuration.rs

@@ -2,7 +2,7 @@ use serde::Serialize;
 
 use crate::HarmonicError;
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 use super::{CreateFile, CreateFileError, CreateDirectory, CreateDirectoryError};
 
@@ -13,6 +13,7 @@ const NIX_CONF: &str = "/etc/nix/nix.conf";
 pub struct PlaceNixConfiguration {
     create_directory: CreateDirectory,
     create_file: CreateFile,
+    action_state: ActionState,
 }
 
 impl PlaceNixConfiguration {
@@ -21,7 +22,7 @@ impl PlaceNixConfiguration {
         nix_build_group_name: String,
         extra_conf: Option<String>,
         force: bool,
-    ) -> Result<Self, HarmonicError> {
+    ) -> Result<Self, PlaceNixConfigurationError> {
         let buf = format!(
             "\
             {extra_conf}\n\
@@ -32,12 +33,12 @@ impl PlaceNixConfiguration {
         let create_directory = CreateDirectory::plan(NIX_CONF_FOLDER, "root".into(), "root".into(), 0o0755, force).await?;
         let create_file =
             CreateFile::plan(NIX_CONF, "root".into(), "root".into(), 0o0664, buf, force).await?;
-        Ok(Self { create_directory, create_file })
+        Ok(Self { create_directory, create_file, action_state: ActionState::Planned })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<PlaceNixConfiguration> {
+impl Actionable for PlaceNixConfiguration {
     type Error = PlaceNixConfigurationError;
 
     fn description(&self) -> Vec<ActionDescription> {
@@ -49,11 +50,12 @@ impl Actionable for ActionState<PlaceNixConfiguration> {
 
     #[tracing::instrument(skip_all)]
     async fn execute(&mut self) -> Result<(), Self::Error> {
-        let Self { create_file, create_directory } = self;
+        let Self { create_file, create_directory, action_state } = self;
 
         create_directory.execute().await?;
         create_file.execute().await?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -66,18 +68,17 @@ impl Actionable for ActionState<PlaceNixConfiguration> {
     }
 }
 
-impl From<ActionState<PlaceNixConfiguration>> for ActionState<Action> {
+impl From<PlaceNixConfiguration> for Action {
-    fn from(v: ActionState<PlaceNixConfiguration>) -> Self {
+    fn from(v: PlaceNixConfiguration) -> Self {
-        match v {
+        Action::PlaceNixConfiguration(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::PlaceNixConfiguration(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::PlaceNixConfiguration(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::PlaceNixConfiguration(v)),
-        }
     }
 }
 
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum PlaceNixConfigurationError {
-
+    #[error(transparent)]
+    CreateFile(#[from] CreateFileError),
+    #[error(transparent)]
+    CreateDirectory(#[from] CreateDirectoryError),
 }

src/actions/base/setup_default_profile.rs

@@ -1,4 +1,4 @@
-use crate::{execute_command, HarmonicError, actions::{ActionState, Action}};
+use crate::{execute_command, actions::{ActionState, Action, ActionError}};
 
 use glob::glob;
 use serde::Serialize;
@@ -13,13 +13,13 @@ pub struct SetupDefaultProfile {
 
 impl SetupDefaultProfile {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(channels: Vec<String>) -> Result<Self, HarmonicError> {
+    pub async fn plan(channels: Vec<String>) -> Result<Self, SetupDefaultProfileError> {
         Ok(Self { channels })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<SetupDefaultProfile> {
+impl Actionable for SetupDefaultProfile {
     type Error = SetupDefaultProfileError;
     fn description(&self) -> Vec<ActionDescription> {
         vec![ActionDescription::new(
@@ -36,7 +36,7 @@ impl Actionable for ActionState<SetupDefaultProfile> {
         // Find an `nix` package
         let nix_pkg_glob = "/nix/store/*-nix-*";
         let mut found_nix_pkg = None;
-        for entry in glob(nix_pkg_glob).map_err(HarmonicError::GlobPatternError)? {
+        for entry in glob(nix_pkg_glob).map_err(Self::Error::GlobPatternError)? {
             match entry {
                 Ok(path) => {
                     // TODO(@Hoverbear): Should probably ensure is unique
@@ -49,7 +49,7 @@ impl Actionable for ActionState<SetupDefaultProfile> {
         let nix_pkg = if let Some(nix_pkg) = found_nix_pkg {
             nix_pkg
         } else {
-            return Err(HarmonicError::NoNssCacert); // TODO(@hoverbear): Fix this error
+            return Err(Self::Error::NoNssCacert); // TODO(@hoverbear): Fix this error
         };
 
         // Install `nix` itself into the store
@@ -57,14 +57,13 @@ impl Actionable for ActionState<SetupDefaultProfile> {
             Command::new(nix_pkg.join("bin/nix-env"))
                 .arg("-i")
                 .arg(&nix_pkg),
-            false,
         )
-        .await?;
+        .await.map_err(SetupDefaultProfileError::Command)?;
 
         // Find an `nss-cacert` package, add it too.
         let nss_ca_cert_pkg_glob = "/nix/store/*-nss-cacert-*";
         let mut found_nss_ca_cert_pkg = None;
-        for entry in glob(nss_ca_cert_pkg_glob).map_err(HarmonicError::GlobPatternError)? {
+        for entry in glob(nss_ca_cert_pkg_glob).map_err(Self::Error::GlobPatternError)? {
             match entry {
                 Ok(path) => {
                     // TODO(@Hoverbear): Should probably ensure is unique
@@ -77,17 +76,15 @@ impl Actionable for ActionState<SetupDefaultProfile> {
         let nss_ca_cert_pkg = if let Some(nss_ca_cert_pkg) = found_nss_ca_cert_pkg {
             nss_ca_cert_pkg
         } else {
-            return Err(HarmonicError::NoNssCacert);
+            return Err(Self::Error::NoNssCacert);
         };
 
         // Install `nss-cacert` into the store
         execute_command(
             Command::new(nix_pkg.join("bin/nix-env"))
                 .arg("-i")
-                .arg(&nss_ca_cert_pkg),
-            false,
         )
-        .await?;
+        .await.map_err(SetupDefaultProfileError::Command)?;
 
         if !channels.is_empty() {
             let mut command = Command::new(nix_pkg.join("bin/nix-channel"));
@@ -100,16 +97,7 @@ impl Actionable for ActionState<SetupDefaultProfile> {
                 "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt",
             );
 
-            let command_str = format!("{:?}", command.as_std());
+            execute_command(&mut command).await.map_err(SetupDefaultProfileError::Command)?;
-            let status = command
-                .status()
-                .await
-                .map_err(|e| HarmonicError::CommandFailedExec(command_str.clone(), e))?;
-
-            match status.success() {
-                true => (),
-                false => return Err(HarmonicError::CommandFailedStatus(command_str)),
-            }
         }
         Ok(())
     }
@@ -123,18 +111,21 @@ impl Actionable for ActionState<SetupDefaultProfile> {
     }
 }
 
-impl From<ActionState<SetupDefaultProfile>> for ActionState<Action> {
+impl From<SetupDefaultProfile> for Action {
-    fn from(v: ActionState<SetupDefaultProfile>) -> Self {
+    fn from(v: SetupDefaultProfile) -> Self {
-        match v {
+        Action::SetupDefaultProfile(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::SetupDefaultProfile(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::SetupDefaultProfile(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::SetupDefaultProfile(v)),
-        }
     }
 }
 
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum SetupDefaultProfileError {
-
+    #[error("Glob pattern error")]
+    GlobPatternError(#[from] #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] glob::PatternError),
+    #[error("Glob globbing error")]
+    GlobGlobError(#[from] #[source] #[serde(serialize_with = "crate::serialize_error_to_display")] glob::GlobError),
+    #[error("Unarchived Nix store did not appear to include a `nss-cacert` location")]
+    NoNssCacert,
+    #[error("Failed to execute command")]
+    Command(#[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error)
 }

src/actions/base/start_systemd_unit.rs

@@ -9,21 +9,22 @@ use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionE
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct StartSystemdUnit {
     unit: String,
+    action_state: ActionState,
 }
 
 impl StartSystemdUnit {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(unit: String) -> Result<ActionState<Self>, StartSystemdUnitError> {
+    pub async fn plan(unit: String) -> Result<Self, StartSystemdUnitError> {
-        Ok(ActionState::Planned(Self { unit }))
+        Ok(Self { unit, action_state: ActionState::Planned })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<StartSystemdUnit> {
+impl Actionable for StartSystemdUnit {
     type Error = StartSystemdUnitError;
     fn description(&self) -> Vec<ActionDescription> {
-        match self {
+        match self.action_state {
-            ActionState::Planned(v) => vec![
+            ActionState::Planned => vec![
                 ActionDescription::new(
                     "Start the systemd Nix service and socket".to_string(),
                     vec![
@@ -31,7 +32,7 @@ impl Actionable for ActionState<StartSystemdUnit> {
                     ]
                 ),
             ],
-            ActionState::Completed(_) => vec![
+            ActionState::Completed => vec![
                 ActionDescription::new(
                     "Stop the systemd Nix service and socket".to_string(),
                     vec![
@@ -39,7 +40,7 @@ impl Actionable for ActionState<StartSystemdUnit> {
                     ]
                 ),
             ],
-            ActionState::Reverted(_) => vec![
+            ActionState::Reverted => vec![
                 ActionDescription::new(
                     "Stopped the systemd Nix service and socket".to_string(),
                     vec![
@@ -51,12 +52,9 @@ impl Actionable for ActionState<StartSystemdUnit> {
     }
 
     #[tracing::instrument(skip_all)]
-    async fn execute(&mut self) -> Result<(), ActionError> {
+    async fn execute(&mut self) -> Result<(), Self::Error> {
-        let StartSystemdUnit { unit } = match self {
+        let Self { unit, action_state } = self;
-            ActionState::Completed(_) => return Err(ActionError::AlreadyExecuted(self.clone().into())),
+
-            ActionState::Reverted(_) => return Err(ActionError::AlreadyReverted(self.clone().into())),
-            ActionState::Planned(v) => v,
-        };
         // TODO(@Hoverbear): Handle proxy vars
         execute_command(
             Command::new("systemctl")
@@ -66,30 +64,26 @@ impl Actionable for ActionState<StartSystemdUnit> {
         )
         .await.map_err(StartSystemdUnitError::Command)?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
     #[tracing::instrument(skip_all)]
-    async fn revert(&mut self) -> Result<(), ActionError> {
+    async fn revert(&mut self) -> Result<(), Self::Error> {
         todo!();
 
         Ok(())
     }
 }
 
-impl From<ActionState<StartSystemdUnit>> for ActionState<Action> {
+impl From<StartSystemdUnit> for Action {
-    fn from(v: ActionState<StartSystemdUnit>) -> Self {
+    fn from(v: StartSystemdUnit) -> Self {
-        match v {
+        Action::StartSystemdUnit(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::StartSystemdUnit(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::StartSystemdUnit(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::StartSystemdUnit(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum StartSystemdUnitError {
     #[error("Failed to execute command")]
-    #[serde(serialize_with = "crate::serialize_std_io_error_to_display")]
+    Command(#[source] #[serde(serialize_with = "crate::serialize_error_to_display")] std::io::Error)
-    Command(#[source] std::io::Error)
 }

src/actions/meta/configure_nix.rs

@@ -5,7 +5,7 @@ use crate::actions::{
         ConfigureNixDaemonService, ConfigureNixDaemonServiceError, PlaceNixConfiguration,
         PlaceNixConfigurationError, SetupDefaultProfile, SetupDefaultProfileError, PlaceChannelConfiguration, PlaceChannelConfigurationError,
     },
-    meta::{ConfigureShellProfile, ConfigureShellProfileError}, ActionState, Action,
+    meta::{ConfigureShellProfile, ConfigureShellProfileError}, ActionState, Action, ActionError,
 };
 use crate::{HarmonicError, InstallSettings};
 
@@ -18,11 +18,12 @@ pub struct ConfigureNix {
     place_channel_configuration: PlaceChannelConfiguration,
     place_nix_configuration: PlaceNixConfiguration,
     configure_nix_daemon_service: ConfigureNixDaemonService,
+    action_state: ActionState,
 }
 
 impl ConfigureNix {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(settings: InstallSettings) -> Result<ActionState<Self>, ConfigureNixError> {
+    pub async fn plan(settings: InstallSettings) -> Result<Self, ConfigureNixError> {
         let channels = settings
             .channels
             .iter()
@@ -48,12 +49,13 @@ impl ConfigureNix {
             setup_default_profile,
             configure_nix_daemon_service,
             configure_shell_profile,
+            action_state: ActionState::Planned,
         })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<ConfigureNix> {
+impl Actionable for ConfigureNix {
     type Error = ConfigureNixError;
     fn description(&self) -> Vec<ActionDescription> {
         let Self {
@@ -62,6 +64,7 @@ impl Actionable for ActionState<ConfigureNix> {
             place_nix_configuration,
             place_channel_configuration,
             configure_shell_profile,
+            action_state: _,
         } = &self;
 
         let mut buf = setup_default_profile.description();
@@ -83,6 +86,7 @@ impl Actionable for ActionState<ConfigureNix> {
             place_nix_configuration,
             place_channel_configuration,
             configure_shell_profile,
+            action_state,
         } = self;
 
         let (
@@ -92,29 +96,24 @@ impl Actionable for ActionState<ConfigureNix> {
             configure_shell_profile,
         ) = if let Some(configure_shell_profile) = configure_shell_profile {
             let (a, b, c, d) = tokio::try_join!(
-                setup_default_profile.execute(),
+                async move { setup_default_profile.execute().await.map_err(|e| ConfigureNixError::from(e)) },
-                place_nix_configuration.execute(),
+                async move { place_nix_configuration.execute().await.map_err(|e| ConfigureNixError::from(e)) },
-                place_channel_configuration.execute(),
+                async move { place_channel_configuration.execute().await.map_err(|e| ConfigureNixError::from(e)) },
-                configure_shell_profile.execute(),
+                async move { configure_shell_profile.execute().await.map_err(|e| ConfigureNixError::from(e)) },
             )?;
             (a, b, c, Some(d))
         } else {
             let (a, b, c) = tokio::try_join!(
-                setup_default_profile.execute(),
+                async move { setup_default_profile.execute().await.map_err(|e| ConfigureNixError::from(e)) },
-                place_nix_configuration.execute(),
+                async move { place_nix_configuration.execute().await.map_err(|e| ConfigureNixError::from(e)) },
-                place_channel_configuration.execute(),
+                async move { place_channel_configuration.execute().await.map_err(|e| ConfigureNixError::from(e)) },
             )?;
             (a, b, c, None)
         };
         let configure_nix_daemon_service = configure_nix_daemon_service.execute().await?;
 
-        Ok(Self::Receipt {
+        *action_state = ActionState::Completed;
-            setup_default_profile,
+        Ok(())
-            configure_nix_daemon_service,
-            place_nix_configuration,
-            place_channel_configuration,
-            configure_shell_profile,
-        })
     }
 
 
@@ -126,17 +125,22 @@ impl Actionable for ActionState<ConfigureNix> {
     }
 }
 
-impl From<ActionState<ConfigureNix>> for ActionState<Action> {
+impl From<ConfigureNix> for Action {
-    fn from(v: ActionState<ConfigureNix>) -> Self {
+    fn from(v: ConfigureNix) -> Self {
-        match v {
+        Action::ConfigureNix(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::ConfigureNix(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::ConfigureNix(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::ConfigureNix(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum ConfigureNixError {
-
+    #[error(transparent)]
+    SetupDefaultProfile(#[from] SetupDefaultProfileError),
+    #[error(transparent)]
+    PlaceNixConfiguration(#[from] PlaceNixConfigurationError),
+    #[error(transparent)]
+    PlaceChannelConfiguration(#[from] PlaceChannelConfigurationError),
+    #[error(transparent)]
+    ConfigureNixDaemonService(#[from] ConfigureNixDaemonServiceError),
+    #[error(transparent)]
+    ConfigureShellProfile(#[from] ConfigureShellProfileError),
 }

src/actions/meta/configure_shell_profile.rs

@@ -1,12 +1,12 @@
 use std::path::Path;
 
 use serde::Serialize;
-use tokio::task::JoinSet;
+use tokio::task::{JoinSet, JoinError};
 
 use crate::HarmonicError;
 
 use crate::actions::base::{CreateOrAppendFile, CreateOrAppendFileError};
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 const PROFILE_TARGETS: &[&str] = &[
     "/etc/bashrc",
@@ -21,11 +21,12 @@ const PROFILE_NIX_FILE: &str = "/nix/var/nix/profiles/default/etc/profile.d/nix-
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct ConfigureShellProfile {
     create_or_append_files: Vec<CreateOrAppendFile>,
+    action_state: ActionState,
 }
 
 impl ConfigureShellProfile {
     #[tracing::instrument(skip_all)]
-    pub async fn plan() -> Result<ActionState<Self>, ConfigureShellProfileError> {
+    pub async fn plan() -> Result<Self, ConfigureShellProfileError> {
         let mut create_or_append_files = Vec::default();
         for profile_target in PROFILE_TARGETS {
             let path = Path::new(profile_target);
@@ -50,12 +51,13 @@ impl ConfigureShellProfile {
 
         Ok(Self {
             create_or_append_files,
+            action_state: ActionState::Planned,
         })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<ConfigureShellProfile> {
+impl Actionable for ConfigureShellProfile {
     type Error = ConfigureShellProfileError;
     fn description(&self) -> Vec<ActionDescription> {
         vec![ActionDescription::new(
@@ -68,34 +70,35 @@ impl Actionable for ActionState<ConfigureShellProfile> {
     async fn execute(&mut self) -> Result<(), Self::Error> {
         let Self {
             create_or_append_files,
+            action_state,
         } = self;
         tracing::info!("Configuring shell profile");
 
         let mut set = JoinSet::new();
-
-        let mut successes = Vec::with_capacity(create_or_append_files.len());
         let mut errors = Vec::default();
 
-        for create_or_append_file in create_or_append_files {
+        for (idx, create_or_append_file) in create_or_append_files.iter().enumerate() {
-            let _abort_handle = set.spawn(async move { create_or_append_file.execute().await });
+            let mut create_or_append_file_clone = create_or_append_file.clone();
+            let _abort_handle = set.spawn(async move { create_or_append_file_clone.execute().await?; Result::<_, CreateOrAppendFileError>::Ok((idx, create_or_append_file_clone)) });
         }
 
         while let Some(result) = set.join_next().await {
             match result {
-                Ok(Ok(())) => (),
+                Ok(Ok((idx, create_or_append_file))) => create_or_append_files[idx] = create_or_append_file,
                 Ok(Err(e)) => errors.push(e),
-                Err(e) => errors.push(e.into()),
+                Err(e) => return Err(e.into()),
             };
         }
 
         if !errors.is_empty() {
             if errors.len() == 1 {
-                return Err(errors.into_iter().next().unwrap());
+                return Err(errors.into_iter().next().unwrap().into());
             } else {
-                return Err(HarmonicError::Multiple(errors));
+                return Err(ConfigureShellProfileError::MultipleCreateOrAppendFile(errors));
             }
         }
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -108,17 +111,18 @@ impl Actionable for ActionState<ConfigureShellProfile> {
     }
 }
 
-impl From<ActionState<ConfigureShellProfile>> for ActionState<Action> {
+impl From<ConfigureShellProfile> for Action {
-    fn from(v: ActionState<ConfigureShellProfile>) -> Self {
+    fn from(v: ConfigureShellProfile) -> Self {
-        match v {
+        Action::ConfigureShellProfile(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::ConfigureShellProfile(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::ConfigureShellProfile(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::ConfigureShellProfile(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum ConfigureShellProfileError {
-
+    #[error(transparent)]
+    CreateOrAppendFile(#[from] CreateOrAppendFileError),
+    #[error("Multiple errors: {}", .0.iter().map(|v| format!("{v}")).collect::<Vec<_>>().join(" & "))]
+    MultipleCreateOrAppendFile(Vec<CreateOrAppendFileError>),
+    #[error(transparent)]
+    Join(#[from] #[serde(serialize_with = "crate::serialize_error_to_display")] JoinError),
 }

src/actions/meta/create_nix_tree.rs

@@ -3,7 +3,7 @@ use serde::Serialize;
 use crate::HarmonicError;
 
 use crate::actions::base::{CreateDirectory, CreateDirectoryError};
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 const PATHS: &[&str] = &[
     "/nix",
@@ -25,11 +25,12 @@ const PATHS: &[&str] = &[
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct CreateNixTree {
     create_directories: Vec<CreateDirectory>,
+    action_state: ActionState,
 }
 
 impl CreateNixTree {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(force: bool) -> Result<Self, HarmonicError> {
+    pub async fn plan(force: bool) -> Result<Self, CreateNixTreeError> {
         let mut create_directories = Vec::default();
         for path in PATHS {
             // We use `create_dir` over `create_dir_all` to ensure we always set permissions right
@@ -38,12 +39,12 @@ impl CreateNixTree {
             )
         }
 
-        Ok(Self { create_directories })
+        Ok(Self { create_directories, action_state: ActionState::Planned })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<CreateNixTree> {
+impl Actionable for CreateNixTree {
     type Error = CreateNixTreeError;
     fn description(&self) -> Vec<ActionDescription> {
         vec![ActionDescription::new(
@@ -56,15 +57,15 @@ impl Actionable for ActionState<CreateNixTree> {
     }
 
     #[tracing::instrument(skip_all)]
-    async fn execute(&mut self) -> Result<(), HarmonicError> {
+    async fn execute(&mut self) -> Result<(), Self::Error> {
-        let Self { create_directories } = self;
+        let Self { create_directories, action_state } = self;
 
-        let mut successes = Vec::with_capacity(create_directories.len());
         // Just do sequential since parallizing this will have little benefit
         for create_directory in create_directories {
             create_directory.execute().await?
         }
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -77,17 +78,14 @@ impl Actionable for ActionState<CreateNixTree> {
     }
 }
 
-impl From<ActionState<CreateNixTree>> for ActionState<Action> {
+impl From<CreateNixTree> for Action {
-    fn from(v: ActionState<CreateNixTree>) -> Self {
+    fn from(v: CreateNixTree) -> Self {
-        match v {
+        Action::CreateNixTree(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::CreateNixTree(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::CreateNixTree(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::CreateNixTree(v)),
-        }
     }
 }
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum CreateNixTreeError {
-
+    #[error(transparent)]
+    CreateDirectory(#[from] CreateDirectoryError),
 }

src/actions/meta/create_users_and_group.rs

@@ -1,5 +1,5 @@
 use serde::Serialize;
-use tokio::task::JoinSet;
+use tokio::task::{JoinSet, JoinError};
 
 use crate::{HarmonicError, InstallSettings};
 
@@ -15,11 +15,12 @@ pub struct CreateUsersAndGroup {
     nix_build_user_id_base: usize,
     create_group: CreateGroup,
     create_users: Vec<CreateUser>,
+    action_state: ActionState,
 }
 
 impl CreateUsersAndGroup {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(settings: InstallSettings) -> Result<Self, HarmonicError> {
+    pub async fn plan(settings: InstallSettings) -> Result<Self, CreateUsersAndGroupError> {
         // TODO(@hoverbear): CHeck if it exist, error if so
         let create_group = CreateGroup::plan(
             settings.nix_build_group_name.clone(),
@@ -43,12 +44,13 @@ impl CreateUsersAndGroup {
             nix_build_user_id_base: settings.nix_build_user_id_base,
             create_group,
             create_users,
+            action_state: ActionState::Planned,
         })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<CreateUsersAndGroup> {
+impl Actionable for CreateUsersAndGroup {
     type Error = CreateUsersAndGroupError;
     fn description(&self) -> Vec<ActionDescription> {
         let Self {
@@ -57,7 +59,9 @@ impl Actionable for ActionState<CreateUsersAndGroup> {
             nix_build_group_id,
             nix_build_user_prefix,
             nix_build_user_id_base,
-            ..
+            create_group: _,
+            create_users: _,
+            action_state: _,
         } = &self;
 
         vec![
@@ -73,13 +77,19 @@ impl Actionable for ActionState<CreateUsersAndGroup> {
     }
 
     #[tracing::instrument(skip_all)]
-    async fn execute(&mut self) -> Result<(), HarmonicError> {
+    async fn execute(&mut self) -> Result<(), Self::Error> {
         let Self {
             create_users,
             create_group, 
-            ..
+            daemon_user_count, 
+            nix_build_group_name,
+            nix_build_group_id, 
+            nix_build_user_prefix, 
+            nix_build_user_id_base, 
+            action_state
         } = self;
 
+
         // Create group
         let create_group = create_group.execute().await?;
 
@@ -87,33 +97,32 @@ impl Actionable for ActionState<CreateUsersAndGroup> {
         // TODO(@hoverbear): Abstract this, it will be common
         let mut set = JoinSet::new();
 
-        let mut successes = Vec::with_capacity(create_users.len());
         let mut errors = Vec::default();
 
-        for create_user in create_users {
+        for (idx, create_user) in create_users.iter().enumerate() {
-            let _abort_handle = set.spawn(async move { create_user.execute().await });
+            let mut create_user_clone = create_user.clone();
+            let _abort_handle = set.spawn(async move { create_user_clone.execute().await?; Result::<_, CreateUserError>::Ok((idx, create_user_clone)) });
         }
 
         while let Some(result) = set.join_next().await {
             match result {
-                Ok(Ok(success)) => successes.push(success),
+                Ok(Ok((idx, success))) => create_users[idx] = success,
                 Ok(Err(e)) => errors.push(e),
-                Err(e) => errors.push(e.into()),
+                Err(e) => return Err(e)?,
             };
         }
 
         if !errors.is_empty() {
             if errors.len() == 1 {
-                return Err(errors.into_iter().next().unwrap());
+                return Err(errors.into_iter().next().unwrap().into());
             } else {
-                return Err(HarmonicError::Multiple(errors));
+                return Err(CreateUsersAndGroupError::CreateUsers(errors));
             }
         }
 
-        Ok(Self::Receipt {
+
-            create_group,
+        *action_state = ActionState::Completed;
-            create_users: successes,
+        Ok(())
-        })
     }
 
     #[tracing::instrument(skip_all)]
@@ -125,19 +134,26 @@ impl Actionable for ActionState<CreateUsersAndGroup> {
 }
 
 
-impl From<ActionState<CreateUsersAndGroup>> for ActionState<Action> {
+impl From<CreateUsersAndGroup> for Action {
-    fn from(v: ActionState<CreateUsersAndGroup>) -> Self {
+    fn from(v: CreateUsersAndGroup) -> Self {
-        match v {
+        Action::CreateUsersAndGroup(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::CreateUsersAndGroup(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::CreateUsersAndGroup(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::CreateUsersAndGroup(v)),
-        }
     }
 }
 
 
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum CreateUsersAndGroupError {
-
+    #[error(transparent)]
+    CreateUser(#[from] CreateUserError),
+    #[error("Multiple errors: {}", .0.iter().map(|v| format!("{v}")).collect::<Vec<_>>().join(" & "))]
+    CreateUsers(Vec<CreateUserError>),
+    #[error(transparent)]
+    CreateGroup(#[from] CreateGroupError),
+    #[error(transparent)]
+    Join(
+        #[from]
+        #[serde(serialize_with = "crate::serialize_error_to_display")]
+        JoinError
+    ),
 }
 

src/actions/meta/provision_nix.rs

@@ -1,10 +1,11 @@
 use serde::Serialize;
 use tempdir::TempDir;
+use tokio::task::JoinError;
 
 use crate::actions::base::{FetchNix, FetchNixError, MoveUnpackedNix, MoveUnpackedNixError};
 use crate::{HarmonicError, InstallSettings};
 
-use crate::actions::{ActionDescription, Actionable, ActionState, Action};
+use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionError};
 
 use super::{
     CreateNixTree, CreateNixTreeError,
@@ -17,11 +18,12 @@ pub struct ProvisionNix {
     create_users_and_group: CreateUsersAndGroup,
     create_nix_tree: CreateNixTree,
     move_unpacked_nix: MoveUnpackedNix,
+    action_state: ActionState,
 }
 
 impl ProvisionNix {
     #[tracing::instrument(skip_all)]
-    pub async fn plan(settings: InstallSettings) -> Result<ActionState<Self>, ProvisionNixError> {
+    pub async fn plan(settings: InstallSettings) -> Result<Self, ProvisionNixError> {
         let tempdir = TempDir::new("nix").map_err(ProvisionNixError::TempDir)?;
 
         let fetch_nix = FetchNix::plan(
@@ -32,29 +34,26 @@ impl ProvisionNix {
         let create_users_and_group = CreateUsersAndGroup::plan(settings.clone()).await?;
         let create_nix_tree = CreateNixTree::plan(settings.force).await?;
         let move_unpacked_nix = MoveUnpackedNix::plan(tempdir.path().to_path_buf()).await?;
-        Ok(ActionState::Planned(Self {
+        Ok(Self {
             fetch_nix,
             create_users_and_group,
             create_nix_tree,
             move_unpacked_nix,
-        }))
+            action_state: ActionState::Planned,
+        })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<ProvisionNix> {
+impl Actionable for ProvisionNix {
     type Error = ProvisionNixError;
     fn description(&self) -> Vec<ActionDescription> {
-        match self {
-            ActionState::Completed(action) => action.start_systemd_socket.description(),
-            ActionState::Planned(action) => action.start_systemd_socket.description(),
-            ActionState::Reverted(_) => todo!(),
-        }
         let Self {
             fetch_nix,
             create_users_and_group,
             create_nix_tree,
             move_unpacked_nix,
+            action_state: _,
         } = &self;
 
         let mut buf = fetch_nix.description();
@@ -72,17 +71,20 @@ impl Actionable for ActionState<ProvisionNix> {
             create_nix_tree,
             create_users_and_group,
             move_unpacked_nix,
+            action_state,
         } = self;
 
         // We fetch nix while doing the rest, then move it over.
-        let fetch_nix_handle = tokio::spawn(async move { fetch_nix.execute().await });
+        let mut fetch_nix_clone = fetch_nix.clone();
+        let fetch_nix_handle = tokio::task::spawn_local(async { fetch_nix_clone.execute().await?; Result::<_, Self::Error>::Ok(fetch_nix_clone) });
 
         create_users_and_group.execute().await?;
-        create_nix_tree.execute().await?;
+        create_nix_tree.execute().await.map_err(ProvisionNixError::from)?;
 
-        fetch_nix_handle.await??;
+        *fetch_nix = fetch_nix_handle.await.map_err(ProvisionNixError::from)??;
         move_unpacked_nix.execute().await?;
 
+        *action_state = ActionState::Completed;
         Ok(())
     }
 
@@ -94,13 +96,9 @@ impl Actionable for ActionState<ProvisionNix> {
     }
 }
 
-impl From<ActionState<ProvisionNix>> for ActionState<Action> {
+impl From<ProvisionNix> for Action {
-    fn from(v: ActionState<ProvisionNix>) -> Self {
+    fn from(v: ProvisionNix) -> Self {
-        match v {
+        Action::ProvisionNix(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::ProvisionNix(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::ProvisionNix(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::ProvisionNix(v)),
-        }
     }
 }
 
@@ -108,6 +106,23 @@ impl From<ActionState<ProvisionNix>> for ActionState<Action> {
 #[derive(Debug, thiserror::Error, Serialize)]
 pub enum ProvisionNixError {
     #[error("Failed create tempdir")]
-    #[serde(serialize_with = "crate::serialize_std_io_error_to_display")]
+    TempDir(
-    TempDir(#[source] std::io::Error)
+        #[source] 
+        #[serde(serialize_with = "crate::serialize_error_to_display")] 
+        std::io::Error
+    ),
+    #[error(transparent)]
+    FetchNix(#[from] FetchNixError),
+    #[error(transparent)]
+    Join(
+        #[from]
+        #[serde(serialize_with = "crate::serialize_error_to_display")]
+        JoinError
+    ),
+    #[error(transparent)]
+    CreateUsersAndGroup(#[from] CreateUsersAndGroupError),
+    #[error(transparent)]
+    CreateNixTree(#[from] CreateNixTreeError),
+    #[error(transparent)]
+    MoveUnpackedNix(#[from] MoveUnpackedNixError),
 }

src/actions/meta/start_nix_daemon.rs

@@ -8,68 +8,52 @@ use crate::actions::{ActionDescription, Actionable, ActionState, Action, ActionE
 /// This is mostly indirection for supporting non-systemd
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct StartNixDaemon {
-    start_systemd_socket: ActionState<StartSystemdUnit>,
+    start_systemd_socket: StartSystemdUnit,
+    action_state: ActionState,
 }
 
 impl StartNixDaemon {
     #[tracing::instrument(skip_all)]
-    pub async fn plan() -> Result<ActionState<Self>, StartNixDaemonError> {
+    pub async fn plan() -> Result<Self, StartNixDaemonError> {
         let start_systemd_socket = StartSystemdUnit::plan("nix-daemon.socket".into()).await?;
-        Ok(ActionState::Planned(Self {
+        Ok(Self {
             start_systemd_socket,
-        }))
+            action_state: ActionState::Planned,
+        })
     }
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<StartNixDaemon> {
+impl Actionable for StartNixDaemon {
     type Error = StartNixDaemonError;
 
     fn description(&self) -> Vec<ActionDescription> {
-        let StartNixDaemon { start_systemd_socket } = match self {
+        self.start_systemd_socket.description()
-            ActionState::Completed(v) | ActionState::Reverted(v) | ActionState::Planned(v) => v,
-        };
-        start_systemd_socket.description()
     }
 
     #[tracing::instrument(skip_all)]
-    async fn execute(self) -> Result<Self, ActionError> {
+    async fn execute(&mut self) -> Result<(), Self::Error> {
-        let StartNixDaemon { start_systemd_socket } = match self {
+        let Self { start_systemd_socket, action_state } = self;
-            ActionState::Planned(v) => v,
-            ActionState::Completed(_) => return Err(ActionError::AlreadyExecuted(self.clone().into())),
-            ActionState::Reverted(_) => return Err(ActionError::AlreadyReverted(self.clone().into())),
-        };
 
         start_systemd_socket.execute().await?;
 
-        Ok(Self::Completed(StartNixDaemon {
+        Ok(())
-            start_systemd_socket,
-        }))
     }
 
     #[tracing::instrument(skip_all)]
-    async fn revert(self) -> Result<Self, ActionError> {
+    async fn revert(&mut self) -> Result<(), Self::Error> {
-        let StartNixDaemon { start_systemd_socket } = match self {
+        let Self { start_systemd_socket, action_state, .. } = self;
-            ActionState::Planned(v) => return Err(ActionError::NotExecuted(self.clone().into())),
-            ActionState::Completed(v) => v,
-            ActionState::Reverted(_) => return Err(ActionError::AlreadyReverted(self.clone().into())),
-        };
 
         start_systemd_socket.revert().await?;
 
-        Ok(Self::Reverted(StartNixDaemon {
+        *action_state = ActionState::Completed;
-            start_systemd_socket,
+        Ok(())
-        }))
     }
 }
 
-impl From<ActionState<StartNixDaemon>> for ActionState<Action> {
+impl From<StartNixDaemon> for Action {
-    fn from(v: ActionState<StartNixDaemon>) -> Self {
+    fn from(v: StartNixDaemon) -> Self {
-        match v {
+        Action::StartNixDaemon(v)
-            ActionState::Completed(_) => ActionState::Completed(Action::StartNixDaemon(v)),
-            ActionState::Planned(_) => ActionState::Planned(Action::StartNixDaemon(v)),
-            ActionState::Reverted(_) => ActionState::Reverted(Action::StartNixDaemon(v)),
-        }
     }
 }
 

src/actions/mod.rs

@@ -22,24 +22,21 @@ use serde::{Deserialize, de::DeserializeOwned, Serialize};
 use self::base::{StartSystemdUnit, StartSystemdUnitError};
 
 #[async_trait::async_trait]
-pub trait Actionable: DeserializeOwned + Serialize + Into<ActionState<Action>> {
+pub trait Actionable: DeserializeOwned + Serialize + Into<Action> {
-    type Error: std::error::Error + std::fmt::Debug + Serialize;
+    type Error: std::error::Error + std::fmt::Debug + Serialize + Into<ActionError>;
 
     fn description(&self) -> Vec<ActionDescription>;
     
     // They should also have an `async fn plan(args...) -> Result<ActionState<Self>, Self::Error>;`
-    async fn execute(self) -> Result<Self, ActionError>;
+    async fn execute(&mut self) -> Result<(), Self::Error>;
-    async fn revert(self) -> Result<Self, ActionError>;
+    async fn revert(&mut self) -> Result<(), Self::Error>;
 }
 
-#[derive(thiserror::Error, Debug, Serialize, Deserialize, Clone)]
+#[derive(Debug, Serialize, Deserialize, Clone)]
-pub enum ActionState<P> where P: Serialize + DeserializeOwned + Clone {
+pub enum ActionState {
-    #[serde(bound = "P: DeserializeOwned")]
+    Completed,
-    Completed(P),
+    Planned,
-    #[serde(bound = "P: DeserializeOwned")]
+    Reverted,
-    Planned(P),
-    #[serde(bound = "P: DeserializeOwned")]
-    Reverted(P),
 }
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
@@ -60,34 +57,34 @@ impl ActionDescription {
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub enum Action {
-    ConfigureNixDaemonService(ActionState<ConfigureNixDaemonService>),
+    ConfigureNixDaemonService(ConfigureNixDaemonService),
-    ConfigureNix(ActionState<ConfigureNix>),
+    ConfigureNix(ConfigureNix),
-    ConfigureShellProfile(ActionState<ConfigureShellProfile>),
+    ConfigureShellProfile(ConfigureShellProfile),
-    CreateDirectory(ActionState<CreateDirectory>),
+    CreateDirectory(CreateDirectory),
-    CreateFile(ActionState<CreateFile>),
+    CreateFile(CreateFile),
-    CreateGroup(ActionState<CreateGroup>),
+    CreateGroup(CreateGroup),
-    CreateOrAppendFile(ActionState<CreateOrAppendFile>),
+    CreateOrAppendFile(CreateOrAppendFile),
-    CreateNixTree(ActionState<CreateNixTree>),
+    CreateNixTree(CreateNixTree),
-    CreateUser(ActionState<CreateUser>),
+    CreateUser(CreateUser),
-    CreateUsersAndGroup(ActionState<CreateUsersAndGroup>),
+    CreateUsersAndGroup(CreateUsersAndGroup),
-    FetchNix(ActionState<FetchNix>),
+    FetchNix(FetchNix),
-    MoveUnpackedNix(ActionState<MoveUnpackedNix>),
+    MoveUnpackedNix(MoveUnpackedNix),
-    PlaceChannelConfiguration(ActionState<PlaceChannelConfiguration>),
+    PlaceChannelConfiguration(PlaceChannelConfiguration),
-    PlaceNixConfiguration(ActionState<PlaceNixConfiguration>),
+    PlaceNixConfiguration(PlaceNixConfiguration),
-    SetupDefaultProfile(ActionState<SetupDefaultProfile>),
+    SetupDefaultProfile(SetupDefaultProfile),
-    StartNixDaemon(ActionState<StartNixDaemon>),
+    StartNixDaemon(StartNixDaemon),
-    StartSystemdUnit(ActionState<StartSystemdUnit>),
+    StartSystemdUnit(StartSystemdUnit),
-    ProvisionNix(ActionState<ProvisionNix>),
+    ProvisionNix(ProvisionNix),
 }
 
 #[derive(Debug, thiserror::Error, serde::Serialize)]
 pub enum ActionError {
     #[error("Attempted to revert an unexecuted action")]
-    NotExecuted(ActionState<Action>),
+    NotExecuted(Action),
     #[error("Attempted to execute an already executed action")]
-    AlreadyExecuted(ActionState<Action>),
+    AlreadyExecuted(Action),
     #[error("Attempted to revert an already reverted action")]
-    AlreadyReverted(ActionState<Action>),
+    AlreadyReverted(Action),
     #[error(transparent)]
     ConfigureNixDaemonService(#[from] ConfigureNixDaemonServiceError),
     #[error(transparent)]
@@ -127,13 +124,10 @@ pub enum ActionError {
 }
 
 #[async_trait::async_trait]
-impl Actionable for ActionState<Action> {
+impl Actionable for Action {
     type Error = ActionError;
     fn description(&self) -> Vec<ActionDescription> {
-        let inner = match self {
+        match self {
-            ActionState::Planned(p) | ActionState::Completed(p) | ActionState::Reverted(p) => p,
-        };
-        match inner {
             Action::ConfigureNixDaemonService(i) => i.description(),
             Action::ConfigureNix(i) => i.description(),
             Action::ConfigureShellProfile(i) => i.description(),
@@ -156,58 +150,50 @@ impl Actionable for ActionState<Action> {
     }
 
     async fn execute(&mut self) -> Result<(), Self::Error> {
-        let inner = match self {
+        match self {
-            ActionState::Completed(p) => todo!(),
+            Action::ConfigureNixDaemonService(i) => i.execute().await?,
-            ActionState::Planned(p) => p,
+            Action::ConfigureNix(i) => i.execute().await?,
-            ActionState::Reverted(p) => todo!(),
+            Action::ConfigureShellProfile(i) => i.execute().await?,
+            Action::CreateDirectory(i) => i.execute().await?,
+            Action::CreateFile(i) => i.execute().await?,
+            Action::CreateGroup(i) => i.execute().await?,
+            Action::CreateOrAppendFile(i) => i.execute().await?,
+            Action::CreateNixTree(i) => i.execute().await?,
+            Action::CreateUser(i) => i.execute().await?,
+            Action::CreateUsersAndGroup(i) => i.execute().await?,
+            Action::FetchNix(i) => i.execute().await?,
+            Action::MoveUnpackedNix(i) => i.execute().await?,
+            Action::PlaceChannelConfiguration(i) => i.execute().await?,
+            Action::PlaceNixConfiguration(i) => i.execute().await?,
+            Action::SetupDefaultProfile(i) => i.execute().await?,
+            Action::StartNixDaemon(i) => i.execute().await?,
+            Action::StartSystemdUnit(i) => i.execute().await?,
+            Action::ProvisionNix(i) => i.execute().await?,
         };
-        match inner {
+        Ok(())
-            Action::ConfigureNixDaemonService(i) => i.execute().await,
-            Action::ConfigureNix(i) => i.execute().await,
-            Action::ConfigureShellProfile(i) => i.execute().await,
-            Action::CreateDirectory(i) => i.execute().await,
-            Action::CreateFile(i) => i.execute().await,
-            Action::CreateGroup(i) => i.execute().await,
-            Action::CreateOrAppendFile(i) => i.execute().await,
-            Action::CreateNixTree(i) => i.execute().await,
-            Action::CreateUser(i) => i.execute().await,
-            Action::CreateUsersAndGroup(i) => i.execute().await,
-            Action::FetchNix(i) => i.execute().await,
-            Action::MoveUnpackedNix(i) => i.execute().await,
-            Action::PlaceChannelConfiguration(i) => i.execute().await,
-            Action::PlaceNixConfiguration(i) => i.execute().await,
-            Action::SetupDefaultProfile(i) => i.execute().await,
-            Action::StartNixDaemon(i) => i.execute().await,
-            Action::StartSystemdUnit(i) => i.execute().await,
-            Action::ProvisionNix(i) => i.execute().await,
-        }
     }
 
     async fn revert(&mut self) -> Result<(), Self::Error> {
-        let inner = match self {
+        match self {
-            ActionState::Planned(p) => todo!(),
+            Action::ConfigureNixDaemonService(i) => i.revert().await?,
-            ActionState::Completed(p) => p,
+            Action::ConfigureNix(i) => i.revert().await?,
-            ActionState::Reverted(p) => todo!(),
+            Action::ConfigureShellProfile(i) => i.revert().await?,
-        };
+            Action::CreateDirectory(i) => i.revert().await?,
-        match inner {
+            Action::CreateFile(i) => i.revert().await?,
-            Action::ConfigureNixDaemonService(i) => i.revert().await,
+            Action::CreateGroup(i) => i.revert().await?,
-            Action::ConfigureNix(i) => i.revert().await,
+            Action::CreateOrAppendFile(i) => i.revert().await?,
-            Action::ConfigureShellProfile(i) => i.revert().await,
+            Action::CreateNixTree(i) => i.revert().await?,
-            Action::CreateDirectory(i) => i.revert().await,
+            Action::CreateUser(i) => i.revert().await?,
-            Action::CreateFile(i) => i.revert().await,
+            Action::CreateUsersAndGroup(i) => i.revert().await?,
-            Action::CreateGroup(i) => i.revert().await,
+            Action::FetchNix(i) => i.revert().await?,
-            Action::CreateOrAppendFile(i) => i.revert().await,
+            Action::MoveUnpackedNix(i) => i.revert().await?,
-            Action::CreateNixTree(i) => i.revert().await,
+            Action::PlaceChannelConfiguration(i) => i.revert().await?,
-            Action::CreateUser(i) => i.revert().await,
+            Action::PlaceNixConfiguration(i) => i.revert().await?,
-            Action::CreateUsersAndGroup(i) => i.revert().await,
+            Action::SetupDefaultProfile(i) => i.revert().await?,
-            Action::FetchNix(i) => i.revert().await,
+            Action::StartNixDaemon(i) => i.revert().await?,
-            Action::MoveUnpackedNix(i) => i.revert().await,
+            Action::StartSystemdUnit(i) => i.revert().await?,
-            Action::PlaceChannelConfiguration(i) => i.revert().await,
+            Action::ProvisionNix(i) => i.revert().await?,
-            Action::PlaceNixConfiguration(i) => i.revert().await,
-            Action::SetupDefaultProfile(i) => i.revert().await,
-            Action::StartNixDaemon(i) => i.revert().await,
-            Action::StartSystemdUnit(i) => i.revert().await,
-            Action::ProvisionNix(i) => i.revert().await,
         }
+        Ok(())
     }
 }

src/cli/mod.rs

@@ -3,7 +3,7 @@ pub(crate) mod subcommand;
 
 use crate::{cli::arg::ChannelValue, interaction};
 use clap::{ArgAction, Parser};
-use harmonic::{Harmonic, InstallPlan, InstallSettings};
+use harmonic::{InstallPlan, InstallSettings};
 use std::process::ExitCode;
 
 use self::subcommand::HarmonicSubcommand;
@@ -92,7 +92,7 @@ impl CommandExecute for HarmonicCli {
                 );
                 settings.modify_profile(!no_modify_profile);
 
-                let plan = InstallPlan::new(settings).await?;
+                let mut plan = InstallPlan::new(settings).await?;
 
                 // TODO(@Hoverbear): Make this smarter
                 if !interaction::confirm(plan.description()).await? {

src/lib.rs

@@ -9,7 +9,7 @@ use std::{
     io::SeekFrom,
     os::unix::fs::PermissionsExt,
     path::{Path, PathBuf},
-    process::ExitStatus,
+    process::ExitStatus, fmt::Display,
 };
 
 pub use error::HarmonicError;
@@ -280,6 +280,6 @@ fn set_env(k: impl AsRef<OsStr>, v: impl AsRef<OsStr>, dry_run: bool) {
     }
 }
 
-fn serialize_std_io_error_to_display<S>(err: &std::io::Error, ser: S) -> Result<S::Ok, S::Error> where S: Serializer {
+fn serialize_error_to_display<E, S>(err: &E, ser: S) -> Result<S::Ok, S::Error> where E: Display, S: Serializer {
     ser.serialize_str(&format!("{err:#}"))
 }

src/plan.rs

@@ -30,9 +30,9 @@ pub struct InstallPlan {
     * "Start Nix"
     * start_nix_daemon_service
     */
-    provision_nix: ActionState<ProvisionNix>,
+    provision_nix: ProvisionNix,
-    configure_nix: ActionState<ConfigureNix>,
+    configure_nix: ConfigureNix,
-    start_nix_daemon: ActionState<StartNixDaemon>,
+    start_nix_daemon: StartNixDaemon,
 }
 
 impl InstallPlan {