Create all actions

rustfmt.toml

@@ -0,0 +1,12 @@
+# Put a trailing comma after a block based match arm (non-block arms are not affected)
+match_block_trailing_comma = true
+# Merge multiple derives into a single one.
+merge_derives = true
+# Reorder import and extern crate statements alphabetically in groups (a group is separated by a newline).
+reorder_imports = true
+# Reorder mod declarations alphabetically in group.
+reorder_modules = true
+# Use field initialize shorthand if possible.
+use_field_init_shorthand = true
+# Replace uses of the try! macro by the ? shorthand
+use_try_shorthand = true

src/actions/configure_nix.rs

@@ -0,0 +1,53 @@
+use crate::{HarmonicError, InstallSettings};
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct ConfigureNix {}
+
+impl ConfigureNix {
+    pub fn plan(settings: InstallSettings) -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for ConfigureNix {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Start the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        todo!()
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct ConfigureNixReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for ConfigureNixReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/configure_nix_daemon_service.rs

@@ -0,0 +1,53 @@
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct ConfigureNixDaemonService {}
+
+impl ConfigureNixDaemonService {
+    pub fn plan() -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for ConfigureNixDaemonService {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Start the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        todo!()
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct ConfigureNixDaemonServiceReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for ConfigureNixDaemonServiceReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/configure_shell_profile.rs

@@ -0,0 +1,53 @@
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct ConfigureShellProfile {}
+
+impl ConfigureShellProfile {
+    pub fn plan() -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for ConfigureShellProfile {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Start the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        todo!()
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct ConfigureShellProfileReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for ConfigureShellProfileReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/create_directory.rs

@@ -0,0 +1,89 @@
+use std::{
+    fs::Permissions,
+    path::{Path, PathBuf},
+};
+
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateDirectory {
+    path: PathBuf,
+    user: String,
+    group: String,
+    mode: u32,
+}
+
+impl CreateDirectory {
+    pub fn plan(path: impl AsRef<Path>, user: String, group: String, mode: u32) -> Self {
+        let path = path.as_ref().to_path_buf();
+        Self {
+            path,
+            user,
+            group,
+            mode,
+        }
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for CreateDirectory {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![ActionDescription::new(
+            format!("Create the directory `/nix`"),
+            vec![format!(
+                "Nix and the Nix daemon require a Nix Store, which will be stored at `/nix`"
+            )],
+        )]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        let Self {
+            path,
+            user,
+            group,
+            mode,
+        } = self;
+        todo!();
+        Ok(ActionReceipt::CreateDirectory(CreateDirectoryReceipt {
+            path,
+            user,
+            group,
+            mode,
+        }))
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateDirectoryReceipt {
+    path: PathBuf,
+    user: String,
+    group: String,
+    mode: u32,
+}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for CreateDirectoryReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![ActionDescription::new(
+            format!("Create the directory `/nix`"),
+            vec![format!(
+                "Nix and the Nix daemon require a Nix Store, which will be stored at `/nix`"
+            )],
+        )]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        let Self {
+            path,
+            user,
+            group,
+            mode,
+        } = self;
+
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/create_group.rs

@@ -0,0 +1,53 @@
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateGroup {
+    name: String,
+    uid: usize,
+}
+
+impl CreateGroup {
+    pub fn plan(name: String, uid: usize) -> Self {
+        Self { name, uid }
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for CreateGroup {
+    fn description(&self) -> Vec<ActionDescription> {
+        let name = &self.name;
+        let uid = &self.uid;
+        vec![ActionDescription::new(
+            format!("Create group {name} with UID {uid}"),
+            vec![format!(
+                "The nix daemon requires a system user group its system users can be part of"
+            )],
+        )]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        let Self { name, uid } = self;
+        Ok(ActionReceipt::CreateGroup(CreateGroupReceipt { name, uid }))
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateGroupReceipt {
+    name: String,
+    uid: usize,
+}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for CreateGroupReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        todo!()
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/create_nix_tree.rs

@@ -0,0 +1,47 @@
+use crate::{HarmonicError, InstallSettings};
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateNixTree {
+    settings: InstallSettings,
+}
+
+impl CreateNixTree {
+    pub fn plan(settings: InstallSettings) -> Self {
+        Self { settings }
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for CreateNixTree {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![ActionDescription::new(
+            format!("Create a directory tree in `/nix`"),
+            vec![format!(
+                "Nix and the Nix daemon require a Nix Store, which will be stored at `/nix`"
+            )],
+        )]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        let Self { settings: _ } = self;
+        Ok(ActionReceipt::CreateNixTree(CreateNixTreeReceipt {}))
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateNixTreeReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for CreateNixTreeReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        todo!()
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/create_nix_tree_dirs.rs

@@ -0,0 +1,47 @@
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateNixTreeDirs {}
+
+impl CreateNixTreeDirs {
+    pub fn plan(name: String, uid: usize) -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for CreateNixTreeDirs {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![ActionDescription::new(
+            format!("Create a directory tree in `/nix`"),
+            vec![format!(
+                "Nix and the Nix daemon require a Nix Store, which will be stored at `/nix`"
+            )],
+        )]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        let Self {} = self;
+        Ok(ActionReceipt::CreateNixTreeDirs(
+            CreateNixTreeDirsReceipt {},
+        ))
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateNixTreeDirsReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for CreateNixTreeDirsReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        todo!()
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/create_user.rs

@@ -1,7 +1,6 @@
-use crate::{settings::InstallSettings, HarmonicError};
-
-use super::{Actionable, ActionReceipt, Revertable, ActionDescription};
+use crate::HarmonicError;
 
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct CreateUser {
@@ -9,12 +8,6 @@ pub struct CreateUser {
     uid: usize,
 }
 
-#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-pub struct CreateUserReceipt {
-    name: String,
-    uid: usize,
-}
-
 impl CreateUser {
     pub fn plan(name: String, uid: usize) -> Self {
         Self { name, uid }
@@ -26,14 +19,12 @@ impl<'a> Actionable<'a> for CreateUser {
     fn description(&self) -> Vec<ActionDescription> {
         let name = &self.name;
         let uid = &self.uid;
-        vec![
-            ActionDescription::new(
+        vec![ActionDescription::new(
             format!("Create user {name} with UID {uid}"),
-                vec![
-                    format!("The nix daemon requires system users it can act as in order to build"),
-                ]
-            )
-        ]
+            vec![format!(
+                "The nix daemon requires system users it can act as in order to build"
+            )],
+        )]
     }
 
     async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
@@ -42,6 +33,11 @@ impl<'a> Actionable<'a> for CreateUser {
     }
 }
 
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateUserReceipt {
+    name: String,
+    uid: usize,
+}
 
 #[async_trait::async_trait]
 impl<'a> Revertable<'a> for CreateUserReceipt {

src/actions/create_users.rs

@@ -1,9 +1,8 @@
 use tokio::task::JoinSet;
 
-use crate::{settings::InstallSettings, HarmonicError};
-
-use super::{Actionable, CreateUser, ActionReceipt, create_user::CreateUserReceipt, Revertable, ActionDescription};
+use crate::HarmonicError;
 
+use super::{ActionDescription, ActionReceipt, Actionable, CreateUser, Revertable};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct CreateUsers {
@@ -13,18 +12,26 @@ pub struct CreateUsers {
     children: Vec<CreateUser>,
 }
 
-#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-pub struct CreateUsersReceipt {
-    children: Vec<ActionReceipt>,
-}
-
 impl CreateUsers {
-    pub fn plan(nix_build_user_prefix: String, nix_build_user_id_base: usize, daemon_user_count: usize) -> Self {
-        let children = (0..daemon_user_count).map(|count| CreateUser::plan(
+    pub fn plan(
+        nix_build_user_prefix: String,
+        nix_build_user_id_base: usize,
+        daemon_user_count: usize,
+    ) -> Self {
+        let children = (0..daemon_user_count)
+            .map(|count| {
+                CreateUser::plan(
                     format!("{nix_build_user_prefix}{count}"),
-            nix_build_user_id_base + count
-        )).collect();
-        Self { nix_build_user_prefix, nix_build_user_id_base, daemon_user_count, children }
+                    nix_build_user_id_base + count,
+                )
+            })
+            .collect();
+        Self {
+            nix_build_user_prefix,
+            nix_build_user_id_base,
+            daemon_user_count,
+            children,
+        }
     }
 }
 
@@ -79,16 +86,22 @@ impl<'a> Actionable<'a> for CreateUsers {
             }
 
             if errors.len() == 1 {
-                return Err(errors.into_iter().next().unwrap())
+                return Err(errors.into_iter().next().unwrap());
             } else {
-                return Err(HarmonicError::Multiple(errors))
+                return Err(HarmonicError::Multiple(errors));
             }
         }
 
-        Ok(ActionReceipt::CreateUsers(CreateUsersReceipt{ children: successes }))
+        Ok(ActionReceipt::CreateUsers(CreateUsersReceipt {
+            children: successes,
+        }))
     }
 }
 
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct CreateUsersReceipt {
+    children: Vec<ActionReceipt>,
+}
 
 #[async_trait::async_trait]
 impl<'a> Revertable<'a> for CreateUsersReceipt {

src/actions/mod.rs

@@ -1,77 +1,38 @@
-mod start_nix_daemon_service;
-mod create_users;
+mod configure_nix;
+mod configure_nix_daemon_service;
+mod configure_shell_profile;
+mod create_directory;
+mod create_group;
+mod create_nix_tree;
+mod create_nix_tree_dirs;
 mod create_user;
-pub use start_nix_daemon_service::{StartNixDaemonService, StartNixDaemonServiceReceipt};
+mod create_users;
+mod place_channel_configuration;
+mod place_nix_configuration;
+mod setup_default_profile;
+mod start_nix_daemon;
+mod start_systemd_service;
+
+pub use configure_nix::{ConfigureNix, ConfigureNixReceipt};
+pub use configure_nix_daemon_service::{
+    ConfigureNixDaemonService, ConfigureNixDaemonServiceReceipt,
+};
+pub use configure_shell_profile::{ConfigureShellProfile, ConfigureShellProfileReceipt};
+pub use create_directory::{CreateDirectory, CreateDirectoryReceipt};
+pub use create_group::{CreateGroup, CreateGroupReceipt};
+pub use create_nix_tree::{CreateNixTree, CreateNixTreeReceipt};
+pub use create_nix_tree_dirs::{CreateNixTreeDirs, CreateNixTreeDirsReceipt};
 pub use create_user::{CreateUser, CreateUserReceipt};
 pub use create_users::{CreateUsers, CreateUsersReceipt};
+pub use place_channel_configuration::{
+    PlaceChannelConfiguration, PlaceChannelConfigurationReceipt,
+};
+pub use place_nix_configuration::{PlaceNixConfiguration, PlaceNixConfigurationReceipt};
+pub use setup_default_profile::{SetupDefaultProfile, SetupDefaultProfileReceipt};
+pub use start_nix_daemon::{StartNixDaemon, StartNixDaemonReceipt};
+pub use start_systemd_service::{StartSystemdService, StartSystemdServiceReceipt};
 
-use crate::{HarmonicError, settings::InstallSettings};
-
-#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-
-pub struct ActionDescription {
-    pub description: String,
-    pub explanation: Vec<String>,
-}
-
-impl ActionDescription {
-    fn new(description: String, explanation: Vec<String>) -> Self {
-        Self { description, explanation }
-    }
-}
-
-#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-pub enum Action {
-    CreateUsers(CreateUsers),
-    CreateUser(CreateUser),
-    StartNixDaemonService(StartNixDaemonService),
-}
-
-
-#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-pub enum ActionReceipt {
-    CreateUsers(CreateUsersReceipt),
-    CreateUser(CreateUserReceipt),
-    StartNixDaemonService(StartNixDaemonServiceReceipt), 
-}
-
-#[async_trait::async_trait]
-impl<'a> Actionable<'a> for Action {
-    fn description(&self) -> Vec<ActionDescription> {
-        match self {
-            Action::StartNixDaemonService(i) => i.description(),
-            Action::CreateUser(i) => i.description(),
-            Action::CreateUsers(i) => i.description(),
-        }
-    }
-
-    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
-        match self {
-            Action::StartNixDaemonService(i) => i.execute().await,
-            Action::CreateUser(i) => i.execute().await,
-            Action::CreateUsers(i) => i.execute().await,
-        }
-    }
-}
-
-#[async_trait::async_trait]
-impl<'a> Revertable<'a> for ActionReceipt {
-    fn description(&self) -> Vec<ActionDescription> {
-        match self {
-            ActionReceipt::StartNixDaemonService(i) => i.description(),
-            ActionReceipt::CreateUser(i) => i.description(),
-            ActionReceipt::CreateUsers(i) => i.description(),
-        }
-    }
-
-    async fn revert(self) -> Result<(), HarmonicError> {
-        match self {
-            ActionReceipt::StartNixDaemonService(i) => i.revert().await,
-            ActionReceipt::CreateUser(i) => i.revert().await,
-            ActionReceipt::CreateUsers(i) => i.revert().await,
-        }
-    }
-}
+use crate::HarmonicError;
 
 #[async_trait::async_trait]
 pub trait Actionable<'a>: serde::de::Deserialize<'a> + serde::Serialize {
@@ -84,3 +45,137 @@ pub trait Revertable<'a>: serde::de::Deserialize<'a> + serde::Serialize {
     fn description(&self) -> Vec<ActionDescription>;
     async fn revert(self) -> Result<(), HarmonicError>;
 }
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+
+pub struct ActionDescription {
+    pub description: String,
+    pub explanation: Vec<String>,
+}
+
+impl ActionDescription {
+    fn new(description: String, explanation: Vec<String>) -> Self {
+        Self {
+            description,
+            explanation,
+        }
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub enum Action {
+    ConfigureNixDaemonService(ConfigureNixDaemonService),
+    ConfigureNix(ConfigureNix),
+    ConfigureShellProfile(ConfigureShellProfile),
+    CreateDirectory(CreateUser),
+    CreateGroup(CreateGroup),
+    CreateNixTreeDirs(CreateNixTreeDirs),
+    CreateNixTree(CreateNixTree),
+    CreateUser(CreateUser),
+    CreateUsers(CreateUsers),
+    PlaceChannelConfiguration(PlaceChannelConfiguration),
+    PlaceNixConfiguration(PlaceNixConfiguration),
+    SetupDefaultProfile(SetupDefaultProfile),
+    StartNixDaemon(StartNixDaemon),
+    StartSystemdService(StartNixDaemon),
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub enum ActionReceipt {
+    ConfigureNixDaemonService(ConfigureNixDaemonServiceReceipt),
+    ConfigureNix(ConfigureNixReceipt),
+    ConfigureShellProfile(ConfigureShellProfileReceipt),
+    CreateDirectory(CreateDirectoryReceipt),
+    CreateGroup(CreateGroupReceipt),
+    CreateNixTreeDirs(CreateNixTreeDirsReceipt),
+    CreateNixTree(CreateNixTreeReceipt),
+    CreateUser(CreateUserReceipt),
+    CreateUsers(CreateUsersReceipt),
+    PlaceChannelConfiguration(PlaceChannelConfigurationReceipt),
+    PlaceNixConfiguration(PlaceNixConfigurationReceipt),
+    SetupDefaultProfile(SetupDefaultProfileReceipt),
+    StartNixDaemon(StartNixDaemonReceipt),
+    StartSystemdService(StartNixDaemonReceipt),
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for Action {
+    fn description(&self) -> Vec<ActionDescription> {
+        match self {
+            Action::ConfigureNixDaemonService(i) => i.description(),
+            Action::ConfigureNix(i) => i.description(),
+            Action::ConfigureShellProfile(i) => i.description(),
+            Action::CreateDirectory(i) => i.description(),
+            Action::CreateGroup(i) => i.description(),
+            Action::CreateNixTreeDirs(i) => i.description(),
+            Action::CreateNixTree(i) => i.description(),
+            Action::CreateUser(i) => i.description(),
+            Action::CreateUsers(i) => i.description(),
+            Action::PlaceChannelConfiguration(i) => i.description(),
+            Action::PlaceNixConfiguration(i) => i.description(),
+            Action::SetupDefaultProfile(i) => i.description(),
+            Action::StartNixDaemon(i) => i.description(),
+            Action::StartSystemdService(i) => i.description(),
+        }
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        match self {
+            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::CreateGroup(i) => i.execute().await,
+            Action::CreateNixTreeDirs(i) => i.execute().await,
+            Action::CreateNixTree(i) => i.execute().await,
+            Action::CreateUser(i) => i.execute().await,
+            Action::CreateUsers(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::StartSystemdService(i) => i.execute().await,
+        }
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for ActionReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        match self {
+            ActionReceipt::ConfigureNixDaemonService(i) => i.description(),
+            ActionReceipt::ConfigureNix(i) => i.description(),
+            ActionReceipt::ConfigureShellProfile(i) => i.description(),
+            ActionReceipt::CreateDirectory(i) => i.description(),
+            ActionReceipt::CreateGroup(i) => i.description(),
+            ActionReceipt::CreateNixTreeDirs(i) => i.description(),
+            ActionReceipt::CreateNixTree(i) => i.description(),
+            ActionReceipt::CreateUser(i) => i.description(),
+            ActionReceipt::CreateUsers(i) => i.description(),
+            ActionReceipt::PlaceChannelConfiguration(i) => i.description(),
+            ActionReceipt::PlaceNixConfiguration(i) => i.description(),
+            ActionReceipt::SetupDefaultProfile(i) => i.description(),
+            ActionReceipt::StartNixDaemon(i) => i.description(),
+            ActionReceipt::StartSystemdService(i) => i.description(),
+        }
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        match self {
+            ActionReceipt::ConfigureNixDaemonService(i) => i.revert().await,
+            ActionReceipt::ConfigureNix(i) => i.revert().await,
+            ActionReceipt::ConfigureShellProfile(i) => i.revert().await,
+            ActionReceipt::CreateDirectory(i) => i.revert().await,
+            ActionReceipt::CreateGroup(i) => i.revert().await,
+            ActionReceipt::CreateNixTreeDirs(i) => i.revert().await,
+            ActionReceipt::CreateNixTree(i) => i.revert().await,
+            ActionReceipt::CreateUser(i) => i.revert().await,
+            ActionReceipt::CreateUsers(i) => i.revert().await,
+            ActionReceipt::PlaceChannelConfiguration(i) => i.revert().await,
+            ActionReceipt::PlaceNixConfiguration(i) => i.revert().await,
+            ActionReceipt::SetupDefaultProfile(i) => i.revert().await,
+            ActionReceipt::StartNixDaemon(i) => i.revert().await,
+            ActionReceipt::StartSystemdService(i) => i.revert().await,
+        }
+    }
+}

src/actions/place_channel_configuration.rs

@@ -0,0 +1,53 @@
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct PlaceChannelConfiguration {}
+
+impl PlaceChannelConfiguration {
+    pub fn plan() -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for PlaceChannelConfiguration {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Start the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        todo!()
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct PlaceChannelConfigurationReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for PlaceChannelConfigurationReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/place_nix_configuration.rs

@@ -0,0 +1,53 @@
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct PlaceNixConfiguration {}
+
+impl PlaceNixConfiguration {
+    pub fn plan() -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for PlaceNixConfiguration {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Start the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        todo!()
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct PlaceNixConfigurationReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for PlaceNixConfigurationReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/setup_default_profile.rs

@@ -1,28 +1,18 @@
-use reqwest::redirect::Action;
-
-use crate::{settings::InstallSettings, HarmonicError};
-
-use super::{Actionable, ActionReceipt, Revertable, ActionDescription};
+use crate::HarmonicError;
 
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-pub struct StartNixDaemonService {
+pub struct SetupDefaultProfile {}
 
-}
-
-
-#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
-pub struct StartNixDaemonServiceReceipt {
-}
-
-impl StartNixDaemonService {
+impl SetupDefaultProfile {
     pub fn plan() -> Self {
         Self {}
     }
 }
 
 #[async_trait::async_trait]
-impl<'a> Actionable<'a> for StartNixDaemonService {
+impl<'a> Actionable<'a> for SetupDefaultProfile {
     fn description(&self) -> Vec<ActionDescription> {
         vec![
             ActionDescription::new(
@@ -39,11 +29,20 @@ impl<'a> Actionable<'a> for StartNixDaemonService {
     }
 }
 
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct SetupDefaultProfileReceipt {}
 
 #[async_trait::async_trait]
-impl<'a> Revertable<'a> for StartNixDaemonServiceReceipt {
+impl<'a> Revertable<'a> for SetupDefaultProfileReceipt {
     fn description(&self) -> Vec<ActionDescription> {
-        todo!()
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
     }
 
     async fn revert(self) -> Result<(), HarmonicError> {

src/actions/start_nix_daemon.rs

@@ -0,0 +1,53 @@
+use crate::{settings, HarmonicError, InstallSettings};
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct StartNixDaemon {}
+
+impl StartNixDaemon {
+    pub fn plan(settings: InstallSettings) -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for StartNixDaemon {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Start the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        todo!()
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct StartNixDaemonReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for StartNixDaemonReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/actions/start_systemd_service.rs

@@ -0,0 +1,53 @@
+use crate::HarmonicError;
+
+use super::{ActionDescription, ActionReceipt, Actionable, Revertable};
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct StartSystemdService {}
+
+impl StartSystemdService {
+    pub fn plan() -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl<'a> Actionable<'a> for StartSystemdService {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Start the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn execute(self) -> Result<ActionReceipt, HarmonicError> {
+        todo!()
+    }
+}
+
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
+pub struct StartSystemdServiceReceipt {}
+
+#[async_trait::async_trait]
+impl<'a> Revertable<'a> for StartSystemdServiceReceipt {
+    fn description(&self) -> Vec<ActionDescription> {
+        vec![
+            ActionDescription::new(
+                "Stop the systemd Nix daemon".to_string(),
+                vec![
+                    "The `nix` command line tool communicates with a running Nix daemon managed by your init system".to_string()
+                ]
+            ),
+        ]
+    }
+
+    async fn revert(self) -> Result<(), HarmonicError> {
+        todo!();
+
+        Ok(())
+    }
+}

src/cli/arg/instrumentation.rs

@@ -57,7 +57,7 @@ impl<'a> Instrumentation {
                     }
                 }
                 EnvFilter::try_new(&format!("{}={}", env!("CARGO_PKG_NAME"), self.log_level()))?
-            }
+            },
         };
 
         Ok(filter_layer)

src/cli/mod.rs

@@ -8,7 +8,6 @@ use std::process::ExitCode;
 
 use self::subcommand::HarmonicSubcommand;
 
-
 #[async_trait::async_trait]
 pub(crate) trait CommandExecute {
     async fn execute(self) -> eyre::Result<ExitCode>;
@@ -70,23 +69,13 @@ impl CommandExecute for HarmonicCli {
         } = self;
 
         match subcommand {
-            Some(HarmonicSubcommand::Plan(plan)) => {
-                return plan.execute().await
-            },
-            Some(HarmonicSubcommand::Execute(execute)) => {
-                return execute.execute().await
-            }
-            None => (),
-        }
-
+            Some(HarmonicSubcommand::Plan(plan)) => plan.execute().await,
+            Some(HarmonicSubcommand::Execute(execute)) => execute.execute().await,
+            None => {
                 let mut settings = InstallSettings::default();
 
                 settings.explain(explain);
                 settings.daemon_user_count(daemon_user_count);
-        settings.nix_build_group_name("nixbld".to_string());
-        settings.nix_build_group_id(30000);
-        settings.nix_build_user_prefix("nixbld".to_string());
-        settings.nix_build_user_id_base(30001);
                 settings.channels(
                     channel
                         .into_iter()
@@ -96,16 +85,16 @@ impl CommandExecute for HarmonicCli {
 
                 let plan = InstallPlan::new(settings).await?;
 
-
                 // TODO(@Hoverbear): Make this smarter
-        if !interaction::confirm(
-            plan.description()
-        )
-        .await?
-        {
+                if !interaction::confirm(plan.description()).await? {
                     interaction::clean_exit_with_message("Okay, didn't do anything! Bye!").await;
                 }
 
+                let _receipt = plan.install().await?;
+
+                Ok(ExitCode::SUCCESS)
+            },
+        }
         // let mut harmonic = Harmonic::default();
 
         // harmonic.dry_run(dry_run);
@@ -118,8 +107,6 @@ impl CommandExecute for HarmonicCli {
         // );
         // harmonic.modify_profile(!no_modify_profile);
 
- 
-
         // // TODO(@Hoverbear): Make this smarter
         // if !interaction::confirm(
         //     "\
@@ -151,7 +138,5 @@ impl CommandExecute for HarmonicCli {
         // harmonic.setup_default_profile().await?;
         // harmonic.place_nix_configuration().await?;
         // harmonic.configure_nix_daemon_service().await?;
-
-        Ok(ExitCode::SUCCESS)
     }
 }

src/cli/subcommand/execute.rs

@@ -1,10 +1,13 @@
 use std::process::ExitCode;
 
-use clap::{Parser, ArgAction};
-use harmonic::{InstallSettings, InstallPlan};
-use tokio::io::{AsyncWriteExt, AsyncReadExt};
+use clap::{ArgAction, Parser};
+use harmonic::{InstallPlan, InstallSettings};
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
 
-use crate::{cli::{arg::ChannelValue, CommandExecute}, interaction};
+use crate::{
+    cli::{arg::ChannelValue, CommandExecute},
+    interaction,
+};
 
 /// An opinionated, experimental Nix installer
 #[derive(Debug, Parser)]
@@ -15,14 +18,12 @@ pub(crate) struct Execute {
         default_value = "false",
         global = true
     )]
-    no_confirm: bool
+    no_confirm: bool,
 }
 
 #[async_trait::async_trait]
 impl CommandExecute for Execute {
-    #[tracing::instrument(skip_all, fields(
-        
-    ))]
+    #[tracing::instrument(skip_all, fields())]
     async fn execute(self) -> eyre::Result<ExitCode> {
         let Self { no_confirm } = self;
 
@@ -32,17 +33,11 @@ impl CommandExecute for Execute {
         let plan: InstallPlan = serde_json::from_str(&json)?;
 
         if !no_confirm {
-            if !interaction::confirm(
-                plan.description()
-            )
-            .await?
-            {
+            if !interaction::confirm(plan.description()).await? {
                 interaction::clean_exit_with_message("Okay, didn't do anything! Bye!").await;
             }
         }
 
-
-
         Ok(ExitCode::SUCCESS)
     }
 }

src/cli/subcommand/mod.rs

@@ -3,10 +3,8 @@ use plan::Plan;
 mod execute;
 use execute::Execute;
 
-
 #[derive(Debug, clap::Subcommand)]
 pub(crate) enum HarmonicSubcommand {
     Plan(Plan),
     Execute(Execute),
 }
-

src/cli/subcommand/plan.rs

@@ -1,7 +1,7 @@
 use std::process::ExitCode;
 
-use clap::{Parser, ArgAction};
-use harmonic::{InstallSettings, InstallPlan};
+use clap::{ArgAction, Parser};
+use harmonic::{InstallPlan, InstallSettings};
 use tokio::io::AsyncWriteExt;
 
 use crate::cli::{arg::ChannelValue, CommandExecute};
@@ -39,15 +39,15 @@ impl CommandExecute for Plan {
         no_modify_profile = %self.no_modify_profile,
     ))]
     async fn execute(self) -> eyre::Result<ExitCode> {
-        let Self {  channel, no_modify_profile, daemon_user_count } = self;
+        let Self {
+            channel,
+            no_modify_profile,
+            daemon_user_count,
+        } = self;
 
         let mut settings = InstallSettings::default();
 
         settings.daemon_user_count(daemon_user_count);
-        settings.nix_build_group_name("nixbld".to_string());
-        settings.nix_build_group_id(30000);
-        settings.nix_build_user_prefix("nixbld".to_string());
-        settings.nix_build_user_id_base(30001);
         settings.channels(
             channel
                 .into_iter()

src/error.rs

@@ -52,5 +52,5 @@ pub enum HarmonicError {
     #[error("Errors with additional failures during reverts: {}\nDuring Revert:{}", .0.iter().map(|v| format!("{v}")).collect::<Vec<_>>().join(" & "), .1.iter().map(|v| format!("{v}")).collect::<Vec<_>>().join(" & "))]
     FailedReverts(Vec<HarmonicError>, Vec<HarmonicError>),
     #[error("Multiple errors: {}", .0.iter().map(|v| format!("{v}")).collect::<Vec<_>>().join(" & "))]
-    Multiple(Vec<HarmonicError>)
+    Multiple(Vec<HarmonicError>),
 }

src/interaction.rs

@@ -34,10 +34,10 @@ pub(crate) async fn confirm(question: impl AsRef<str>) -> eyre::Result<bool> {
                                 .await?;
                             stdout.flush().await?;
                             break Ok(false);
+                        },
                     }
                 }
-                }
-            }
+            },
             Some(Err(err)) => return Err(err).wrap_err("Getting response"),
             None => return Err(eyre!("Bailed, no confirmation event")),
         }

src/lib.rs

@@ -1,5 +1,5 @@
-mod error;
 mod actions;
+mod error;
 mod plan;
 mod settings;
 
@@ -258,7 +258,7 @@ impl Harmonic {
                         // TODO(@Hoverbear): Should probably ensure is unique
                         found_pkg = Some(path);
                         break;
-                    }
+                    },
                     Err(_) => continue, /* Ignore it */
                 };
             }
@@ -291,7 +291,7 @@ impl Harmonic {
                         // TODO(@Hoverbear): Should probably ensure is unique
                         found_pkg = Some(path);
                         break;
-                    }
+                    },
                     Err(_) => continue, /* Ignore it */
                 };
             }

src/plan.rs

@@ -1,8 +1,13 @@
 use serde::{Deserialize, Serialize};
 
-use crate::{settings::InstallSettings, actions::{Action, StartNixDaemonService, Actionable, ActionReceipt, Revertable, CreateUsers, ActionDescription}, HarmonicError};
-
-
+use crate::{
+    actions::{
+        Action, ActionDescription, ActionReceipt, Actionable, ConfigureNix, CreateNixTree,
+        Revertable, StartNixDaemon,
+    },
+    settings::InstallSettings,
+    HarmonicError,
+};
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct InstallPlan {
@@ -11,15 +16,18 @@ pub struct InstallPlan {
     /** Bootstrap the install
 
     * There are roughly three phases:
+    * "Create nix tree"":
     * download_nix  --------------------------------------> move_downloaded_nix
     * create_group -> create_users -> create_directories -> move_downloaded_nix
     * place_channel_configuration
     * place_nix_configuration
     * ---
+    * "Configure Nix":
     * setup_default_profile
     * configure_nix_daemon_service
     * configure_shell_profile
     * ---
+    * "Start Nix"
     * start_nix_daemon_service
     */
     actions: Vec<Action>,
@@ -27,7 +35,8 @@ pub struct InstallPlan {
 
 impl InstallPlan {
     pub fn description(&self) -> String {
-        format!("\
+        format!(
+            "\
             This Nix install is for:\n\
               Operating System: {os_type}\n\
               Init system: {init_type}\n\
@@ -38,8 +47,18 @@ impl InstallPlan {
         ",
             os_type = "Linux",
             init_type = "systemd",
-            nix_channels = self.settings.channels.iter().map(|(name,url)| format!("{name}={url}")).collect::<Vec<_>>().join(","),
-            actions = self.actions.iter().flat_map(|action| action.description()).map(|desc| {
+            nix_channels = self
+                .settings
+                .channels
+                .iter()
+                .map(|(name, url)| format!("{name}={url}"))
+                .collect::<Vec<_>>()
+                .join(","),
+            actions = self
+                .actions
+                .iter()
+                .flat_map(|action| action.description())
+                .map(|desc| {
                     let ActionDescription {
                         description,
                         explanation,
@@ -53,16 +72,16 @@ impl InstallPlan {
                         }
                     }
                     buf
-            }).collect::<Vec<_>>().join("\n"),
+                })
+                .collect::<Vec<_>>()
+                .join("\n"),
         )
     }
     pub async fn new(settings: InstallSettings) -> Result<Self, HarmonicError> {
-        let start_nix_daemon_service = StartNixDaemonService::plan();
-        let create_users = CreateUsers::plan(settings.nix_build_user_prefix.clone(), settings.nix_build_user_id_base, settings.daemon_user_count);
-
         let actions = vec![
-            Action::CreateUsers(create_users),
-            Action::StartNixDaemonService(start_nix_daemon_service),
+            Action::CreateNixTree(CreateNixTree::plan(settings.clone())),
+            Action::ConfigureNix(ConfigureNix::plan(settings.clone())),
+            Action::StartNixDaemon(StartNixDaemon::plan(settings.clone())),
         ];
         Ok(Self { settings, actions })
     }
@@ -83,11 +102,10 @@ impl InstallPlan {
                         }
                     }
                     if !revert_errs.is_empty() {
-                        return Err(HarmonicError::FailedReverts(vec![err], revert_errs))
+                        return Err(HarmonicError::FailedReverts(vec![err], revert_errs));
                     }
 
-                    return Err(err)
-
+                    return Err(err);
                 },
             };
         }

src/settings.rs

@@ -1,8 +1,7 @@
 use url::Url;
 
-#[derive(Debug, serde::Deserialize, serde::Serialize, Clone, Default)]
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
 pub struct InstallSettings {
-    pub(crate) dry_run: bool,
     pub(crate) explain: bool,
     pub(crate) daemon_user_count: usize,
     pub(crate) channels: Vec<(String, Url)>,
@@ -13,16 +12,27 @@ pub struct InstallSettings {
     pub(crate) nix_build_user_id_base: usize,
 }
 
+impl Default for InstallSettings {
+    fn default() -> Self {
+        Self {
+            explain: Default::default(),
+            daemon_user_count: Default::default(),
+            channels: Default::default(),
+            modify_profile: Default::default(),
+            nix_build_group_name: String::from("nixbld"),
+            nix_build_group_id: 3000,
+            nix_build_user_prefix: String::from("nixbld"),
+            nix_build_user_id_base: 3001,
+        }
+    }
+}
+
 // Builder Pattern
 impl InstallSettings {
     pub fn explain(&mut self, explain: bool) -> &mut Self {
         self.explain = explain;
         self
     }
-    pub fn dry_run(&mut self, dry_run: bool) -> &mut Self {
-        self.dry_run = dry_run;
-        self
-    }
     pub fn daemon_user_count(&mut self, count: usize) -> &mut Self {
         self.daemon_user_count = count;
         self