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Rejigger the explain flag

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This commit is contained in:
Ana Hobden 2022-10-13 09:11:23 -07:00
parent 0bcffdea80
commit cdec8549ff
10 changed files with 58 additions and 32 deletions
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16
flake.nix
View file

@ -87,6 +87,22 @@
};
});
checks = forAllSystems ({ system, pkgs, ... }:
let
pkgs = import nixpkgs {
inherit system;
};
in
{
format = pkgs.runCommand "check-format"
{
buildInputs = with pkgs; [ rustfmt cargo ];
} ''
${pkgs.nixpkgs-fmt}/bin/nixpkgs-fmt --check ${./.}
touch $out # it worked!
'';
});
packages = forAllSystems
({ system, pkgs, lib, ... }:
let

2
src/actions/base/fetch_nix.rs
View file

@ -3,7 +3,7 @@ use std::path::PathBuf;
use bytes::Buf;
use reqwest::Url;
use serde::Serialize;
use tokio::task::{JoinError};
use tokio::task::JoinError;
use crate::actions::{Action, ActionDescription, ActionState, Actionable};

3
src/actions/base/move_unpacked_nix.rs
View file

@ -69,7 +69,8 @@ impl Actionable for MoveUnpackedNix {
.await
.map_err(|e| MoveUnpackedNixError::Rename(src_store.clone(), dest.to_owned(), e))?;
tokio::fs::remove_dir_all(src).await
tokio::fs::remove_dir_all(src)
.await
.map_err(|e| MoveUnpackedNixError::Rename(src_store, dest.to_owned(), e))?;
tracing::trace!("Moved Nix");
*action_state = ActionState::Completed;

12
src/actions/meta/provision_nix.rs
View file

@ -3,7 +3,10 @@ use std::path::PathBuf;
use serde::Serialize;
use tokio::task::JoinError;
use crate::actions::base::{FetchNix, FetchNixError, MoveUnpackedNix, MoveUnpackedNixError, CreateDirectory, CreateDirectoryError};
use crate::actions::base::{
CreateDirectory, CreateDirectoryError, FetchNix, FetchNixError, MoveUnpackedNix,
MoveUnpackedNixError,
};
use crate::InstallSettings;
use crate::actions::{Action, ActionDescription, ActionState, Actionable};
@ -23,7 +26,9 @@ pub struct ProvisionNix {
impl ProvisionNix {
#[tracing::instrument(skip_all)]
pub async fn plan(settings: InstallSettings) -> Result<Self, ProvisionNixError> {
let create_nix_dir = CreateDirectory::plan("/nix", "root".into(), "root".into(), 0o0755, settings.force).await?;
let create_nix_dir =
CreateDirectory::plan("/nix", "root".into(), "root".into(), 0o0755, settings.force)
.await?;
let fetch_nix = FetchNix::plan(
settings.nix_package_url.clone(),
@ -32,7 +37,8 @@ impl ProvisionNix {
.await?;
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(PathBuf::from("/nix/temp-install-dir")).await?;
let move_unpacked_nix =
MoveUnpackedNix::plan(PathBuf::from("/nix/temp-install-dir")).await?;
Ok(Self {
create_nix_dir,
fetch_nix,

7
src/cli/mod.rs
View file

@ -15,7 +15,7 @@ pub(crate) trait CommandExecute {
}
/// An opinionated, experimental Nix installer
///
///
/// Plans a Nix install, prompts for confirmation, then executes it
#[derive(Debug, Parser)]
#[clap(version)]
@ -87,7 +87,6 @@ impl CommandExecute for HarmonicCli {
let mut settings = InstallSettings::default();
settings.force(force);
settings.explain(explain);
settings.daemon_user_count(daemon_user_count);
settings.channels(
channel
@ -99,13 +98,13 @@ impl CommandExecute for HarmonicCli {
let mut plan = InstallPlan::new(settings).await?;
// TODO(@Hoverbear): Make this smarter
if !interaction::confirm(plan.describe_execute()).await? {
if !interaction::confirm(plan.describe_execute(explain)).await? {
interaction::clean_exit_with_message("Okay, didn't do anything! Bye!").await;
}
if let Err(err) = plan.install().await {
tracing::error!("{:?}", eyre!(err));
if !interaction::confirm(plan.describe_revert()).await? {
if !interaction::confirm(plan.describe_revert(explain)).await? {
interaction::clean_exit_with_message("Okay, didn't do anything! Bye!")
.await;
}

17
src/cli/subcommand/install.rs
View file

@ -16,6 +16,13 @@ pub(crate) struct Execute {
global = true
)]
no_confirm: bool,
#[clap(
long,
action(ArgAction::SetTrue),
default_value = "false",
global = true
)]
pub(crate) explain: bool,
#[clap(default_value = "/dev/stdin")]
plan: PathBuf,
}
@ -24,7 +31,11 @@ pub(crate) struct Execute {
impl CommandExecute for Execute {
#[tracing::instrument(skip_all, fields())]
async fn execute(self) -> eyre::Result<ExitCode> {
let Self { no_confirm, plan } = self;
let Self {
no_confirm,
plan,
explain,
} = self;
let install_plan_string = tokio::fs::read_to_string(plan)
.await
@ -32,14 +43,14 @@ impl CommandExecute for Execute {
let mut plan: InstallPlan = serde_json::from_str(&install_plan_string)?;
if !no_confirm {
if !interaction::confirm(plan.describe_execute()).await? {
if !interaction::confirm(plan.describe_execute(explain)).await? {
interaction::clean_exit_with_message("Okay, didn't do anything! Bye!").await;
}
}
if let Err(err) = plan.install().await {
tracing::error!("{:?}", eyre!(err));
if !interaction::confirm(plan.describe_revert()).await? {
if !interaction::confirm(plan.describe_revert(explain)).await? {
interaction::clean_exit_with_message("Okay, didn't do anything! Bye!").await;
}
plan.revert().await?

9
src/cli/subcommand/plan.rs
View file

@ -36,13 +36,6 @@ pub(crate) struct Plan {
default_value = "false",
global = true
)]
pub(crate) explain: bool,
#[clap(
long,
action(ArgAction::SetTrue),
default_value = "false",
global = true
)]
pub(crate) force: bool,
#[clap(default_value = "/dev/stdout")]
plan: PathBuf,
@ -60,7 +53,6 @@ impl CommandExecute for Plan {
channel,
no_modify_profile,
daemon_user_count,
explain,
force,
plan,
} = self;
@ -68,7 +60,6 @@ impl CommandExecute for Plan {
let mut settings = InstallSettings::default();
settings.force(force);
settings.explain(explain);
settings.daemon_user_count(daemon_user_count);
settings.channels(
channel

10
src/cli/subcommand/uninstall.rs
View file

@ -16,6 +16,13 @@ pub(crate) struct Uninstall {
global = true
)]
no_confirm: bool,
#[clap(
long,
action(ArgAction::SetTrue),
default_value = "false",
global = true
)]
pub(crate) explain: bool,
#[clap(default_value = "/nix/receipt.json")]
receipt: PathBuf,
}
@ -27,6 +34,7 @@ impl CommandExecute for Uninstall {
let Self {
no_confirm,
receipt,
explain,
} = self;
let install_receipt_string = tokio::fs::read_to_string(receipt)
@ -35,7 +43,7 @@ impl CommandExecute for Uninstall {
let mut plan: InstallPlan = serde_json::from_str(&install_receipt_string)?;
if !no_confirm {
if !interaction::confirm(plan.describe_revert()).await? {
if !interaction::confirm(plan.describe_revert(explain)).await? {
interaction::clean_exit_with_message("Okay, didn't do anything! Bye!").await;
}
}

8
src/plan.rs
View file

@ -52,7 +52,7 @@ impl InstallPlan {
}
#[tracing::instrument(skip_all)]
pub fn describe_execute(&self) -> String {
pub fn describe_execute(&self, explain: bool) -> String {
let Self {
settings,
provision_nix,
@ -90,7 +90,7 @@ impl InstallPlan {
let mut buf = String::default();
buf.push_str(&format!("* {description}\n"));
if self.settings.explain {
if explain {
for line in explanation {
buf.push_str(&format!(" {line}\n"));
}
@ -130,7 +130,7 @@ impl InstallPlan {
}
#[tracing::instrument(skip_all)]
pub fn describe_revert(&self) -> String {
pub fn describe_revert(&self, explain: bool) -> String {
let Self {
settings,
provision_nix,
@ -168,7 +168,7 @@ impl InstallPlan {
let mut buf = String::default();
buf.push_str(&format!("* {description}\n"));
if self.settings.explain {
if explain {
for line in explanation {
buf.push_str(&format!(" {line}\n"));
}

6
src/settings.rs
View file

@ -2,7 +2,6 @@ use url::Url;
#[derive(Debug, serde::Deserialize, serde::Serialize, Clone)]
pub struct InstallSettings {
pub(crate) explain: bool,
pub(crate) daemon_user_count: usize,
pub(crate) channels: Vec<(String, Url)>,
pub(crate) modify_profile: bool,
@ -18,7 +17,6 @@ pub struct InstallSettings {
impl Default for InstallSettings {
fn default() -> Self {
Self {
explain: Default::default(),
daemon_user_count: Default::default(),
channels: Default::default(),
modify_profile: Default::default(),
@ -38,10 +36,6 @@ impl Default for InstallSettings {
// Builder Pattern
impl InstallSettings {
pub fn explain(&mut self, explain: bool) -> &mut Self {
self.explain = explain;
self
}
pub fn daemon_user_count(&mut self, count: usize) -> &mut Self {
self.daemon_user_count = count;
self