diff options
Diffstat (limited to 'crates/mozart-registry/src/installer_executor/filesystem.rs')
| -rw-r--r-- | crates/mozart-registry/src/installer_executor/filesystem.rs | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/crates/mozart-registry/src/installer_executor/filesystem.rs b/crates/mozart-registry/src/installer_executor/filesystem.rs new file mode 100644 index 0000000..185e5b9 --- /dev/null +++ b/crates/mozart-registry/src/installer_executor/filesystem.rs @@ -0,0 +1,225 @@ +//! Production [`InstallerExecutor`] that touches the real filesystem. +//! +//! This is the verb behind `mozart install` / `mozart update` — it pulls +//! dist archives via [`crate::downloader`], clones VCS sources via +//! [`mozart_vcs`], and removes vendor directories. Test code substitutes a +//! recording-only executor instead (added in a later step). + +use std::path::Path; + +use crate::cache::Cache; +use crate::downloader; + +use super::{ExecuteContext, InstallerExecutor, PackageOperation}; + +pub struct FilesystemExecutor { + files_cache: Cache, +} + +impl FilesystemExecutor { + pub fn new(files_cache: Cache) -> Self { + Self { files_cache } + } +} + +#[async_trait::async_trait] +impl InstallerExecutor for FilesystemExecutor { + async fn install_package( + &mut self, + op: PackageOperation<'_>, + ctx: &ExecuteContext, + ) -> anyhow::Result<()> { + let pkg = op.package(); + + // Try source install if --prefer-source and source info is available. + if ctx.prefer_source + && let Some(source) = &pkg.source + { + return install_from_source( + &source.source_type, + &source.url, + source.reference.as_deref().unwrap_or("HEAD"), + &ctx.vendor_dir, + &pkg.name, + ); + } + + // A package with neither dist nor source has no install action. + // This covers Composer's `type: metapackage` (modeled explicitly as + // "no installer") and inline `type: package` definitions used in + // test fixtures that intentionally omit download metadata. Mozart + // records the operation and the installed.json entry but performs + // no filesystem work, mirroring Composer's MetapackageInstaller. + if pkg.dist.is_none() && pkg.source.is_none() { + return Ok(()); + } + + let dist = pkg.dist.as_ref().ok_or_else(|| { + anyhow::anyhow!( + "Package {} has no dist information. Use --prefer-source to install from VCS.", + pkg.name, + ) + })?; + + let mut progress = downloader::DownloadProgress::new( + !ctx.no_progress, + format!("{} ({})", pkg.name, pkg.version), + ); + + downloader::install_package( + &dist.url, + &dist.dist_type, + dist.shasum.as_deref(), + &ctx.vendor_dir, + &pkg.name, + Some(&mut progress), + &self.files_cache, + ) + .await?; + + progress.finish(); + Ok(()) + } + + fn uninstall_package( + &mut self, + name: &str, + _version: &str, + ctx: &ExecuteContext, + ) -> anyhow::Result<()> { + let pkg_dir = ctx.vendor_dir.join(name); + if pkg_dir.exists() { + std::fs::remove_dir_all(&pkg_dir)?; + } + Ok(()) + } + + fn cleanup_after_uninstalls(&mut self, ctx: &ExecuteContext) -> anyhow::Result<()> { + cleanup_empty_vendor_dirs(&ctx.vendor_dir) + } +} + +/// Remove empty vendor namespace directories left behind after package +/// removals. Skips the `composer/` and `bin/` directories. Mirrors the +/// post-uninstall cleanup Composer does in `LibraryInstaller::removeCode`. +fn cleanup_empty_vendor_dirs(vendor_dir: &Path) -> anyhow::Result<()> { + if let Ok(entries) = std::fs::read_dir(vendor_dir) { + for entry in entries.flatten() { + let path = entry.path(); + if path.is_dir() { + let name = entry.file_name().to_string_lossy().to_string(); + if name == "composer" || name == "bin" { + continue; + } + if std::fs::read_dir(&path)?.next().is_none() { + std::fs::remove_dir(&path)?; + } + } + } + } + Ok(()) +} + +/// Install a package from VCS source (git/svn/hg). Lifted from the previous +/// `commands/install.rs::install_from_source`. Mirrors the per-driver +/// dispatch in `Composer\Downloader\VcsDownloader::install`. +fn install_from_source( + source_type: &str, + url: &str, + reference: &str, + vendor_dir: &Path, + package_name: &str, +) -> anyhow::Result<()> { + let target = vendor_dir.join(package_name); + if target.exists() { + std::fs::remove_dir_all(&target)?; + } + + match source_type { + "git" => { + let process = mozart_vcs::process::ProcessExecutor::new(); + let git_util = + mozart_vcs::util::git::GitUtil::new(process, vendor_dir.join(".cache").join("git")); + let downloader = mozart_vcs::downloader::git::GitDownloader::new(git_util); + use mozart_vcs::downloader::VcsDownloader; + downloader.download(url, reference, &target)?; + downloader.install(url, reference, &target)?; + } + "svn" => { + let process = mozart_vcs::process::ProcessExecutor::new(); + let svn_util = mozart_vcs::util::svn::SvnUtil::new(process); + let downloader = mozart_vcs::downloader::svn::SvnDownloader::new(svn_util); + use mozart_vcs::downloader::VcsDownloader; + downloader.install(url, reference, &target)?; + } + "hg" => { + let process = mozart_vcs::process::ProcessExecutor::new(); + let hg_util = mozart_vcs::util::hg::HgUtil::new(process); + let downloader = mozart_vcs::downloader::hg::HgDownloader::new(hg_util); + use mozart_vcs::downloader::VcsDownloader; + downloader.install(url, reference, &target)?; + } + _ => { + anyhow::bail!("Unsupported source type for VCS install: {}", source_type); + } + } + + Ok(()) +} + +#[cfg(test)] +mod tests { + use super::*; + use tempfile::tempdir; + + fn make_executor() -> FilesystemExecutor { + FilesystemExecutor::new(Cache::new(std::env::temp_dir().join("__no_cache"), false)) + } + + #[test] + fn cleanup_after_uninstalls_removes_empty_namespace_dirs() { + let dir = tempdir().unwrap(); + let vendor_dir = dir.path().join("vendor"); + std::fs::create_dir_all(&vendor_dir).unwrap(); + + let empty_ns = vendor_dir.join("old-vendor"); + std::fs::create_dir_all(&empty_ns).unwrap(); + + let nonempty_ns = vendor_dir.join("psr"); + std::fs::create_dir_all(nonempty_ns.join("log")).unwrap(); + + std::fs::create_dir_all(vendor_dir.join("composer")).unwrap(); + + let mut exec = make_executor(); + exec.cleanup_after_uninstalls(&ExecuteContext { + vendor_dir: vendor_dir.clone(), + no_progress: true, + prefer_source: false, + }) + .unwrap(); + + assert!(!empty_ns.exists()); + assert!(vendor_dir.join("psr").exists()); + assert!(vendor_dir.join("composer").exists()); + } + + #[test] + fn cleanup_after_uninstalls_preserves_bin_dir() { + let dir = tempdir().unwrap(); + let vendor_dir = dir.path().join("vendor"); + std::fs::create_dir_all(&vendor_dir).unwrap(); + + let bin_dir = vendor_dir.join("bin"); + std::fs::create_dir_all(&bin_dir).unwrap(); + + let mut exec = make_executor(); + exec.cleanup_after_uninstalls(&ExecuteContext { + vendor_dir: vendor_dir.clone(), + no_progress: true, + prefer_source: false, + }) + .unwrap(); + + assert!(bin_dir.exists()); + } +} |