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use clap::Args;
use miette::{Context, IntoDiagnostic, miette};
#[derive(Debug, Args)]
pub struct UnlinkArgs {
/// Package name to unlink (omit to unlink all linked dependencies)
pub package: Option<String>,
/// Operate on the global link registry instead of the current
/// project.
///
/// `aube unlink -g` removes the current package's entry from
/// `$AUBE_HOME/global-links`; `aube unlink -g <name>` removes the
/// named entry.
#[arg(short = 'g', long)]
pub global: bool,
}
/// Unlink a package: remove linked symlinks from node_modules.
///
/// Matches pnpm's semantics (https://pnpm.io/cli/unlink):
/// - `aube unlink` — remove all linked dependencies from the current project
/// - `aube unlink <pkg>` — remove a specific linked dependency from node_modules
///
/// After unlinking, run `aube install` to re-install dependencies from the registry.
pub async fn run(args: UnlinkArgs) -> miette::Result<()> {
let package = args.package.as_deref();
let cwd = crate::dirs::project_root()?;
let _lock = crate::commands::take_project_lock(&cwd)?;
let nm = super::project_modules_dir(&cwd);
if args.global {
return unlink_global(&cwd, package);
}
match package {
Some(name) => {
// Remove a specific linked entry from node_modules/<name>
let link_path = nm.join(name);
let meta = link_path
.symlink_metadata()
.map_err(|_| miette!("package '{name}' is not present in node_modules"))?;
if !meta.file_type().is_symlink() {
return Err(miette!(
"{} is not a symlink — not a linked package",
link_path.display()
));
}
// Skip symlinks pointing into .aube — those are regular install symlinks,
// not user-created links. Remove via the shared guard so scope cleanup still runs.
if !remove_if_external_symlink(&cwd, &link_path)? {
return Err(miette!(
"{name} is not a linked package (points into .aube — run `aube install` to restore)"
));
}
eprintln!("Unlinked {name}");
// Clean up empty scope directory (e.g. node_modules/@scope/)
if let Some(parent) = link_path.parent()
&& parent != nm
&& let Ok(mut entries) = std::fs::read_dir(parent)
&& entries.next().is_none()
{
let _ = std::fs::remove_dir(parent);
}
}
None => {
// Remove all linked (symlink) entries in node_modules that point outside the project.
if !nm.exists() {
eprintln!("No node_modules directory — nothing to unlink");
return Ok(());
}
let mut unlinked = 0usize;
for entry in std::fs::read_dir(&nm).into_diagnostic()? {
let entry = entry.into_diagnostic()?;
let path = entry.path();
let name = entry.file_name();
let name_str = name.to_string_lossy();
// Skip .bin, .aube, .modules.yaml, etc.
if name_str.starts_with('.') {
continue;
}
// Handle scoped directories: node_modules/@scope/pkg
if name_str.starts_with('@') && path.is_dir() && !path.is_symlink() {
for sub in std::fs::read_dir(&path).into_diagnostic()? {
let sub = sub.into_diagnostic()?;
let sub_path = sub.path();
if remove_if_external_symlink(&cwd, &sub_path)? {
eprintln!(
"Unlinked {}/{}",
name_str,
sub.file_name().to_string_lossy()
);
unlinked += 1;
}
}
// Remove empty scope dir
if let Ok(mut entries) = std::fs::read_dir(&path)
&& entries.next().is_none()
{
let _ = std::fs::remove_dir(&path);
}
continue;
}
if remove_if_external_symlink(&cwd, &path)? {
eprintln!("Unlinked {name_str}");
unlinked += 1;
}
}
if unlinked == 0 {
eprintln!("No linked packages found");
} else {
eprintln!(
"Unlinked {unlinked} package{}. Run `aube install` to restore from registry.",
if unlinked == 1 { "" } else { "s" }
);
}
}
}
Ok(())
}
/// `aube unlink --global [<name>]`: remove an entry from the global
/// link registry. With no name, use the current package.json's
/// `name` field. Leaves project-level `node_modules` untouched.
fn unlink_global(cwd: &std::path::Path, explicit_name: Option<&str>) -> miette::Result<()> {
let global_links = aube_store::dirs::global_links_dir()
.ok_or_else(|| miette!("could not determine global links directory"))?;
let name = if let Some(n) = explicit_name {
n.to_string()
} else {
let manifest = aube_manifest::PackageJson::from_path(&cwd.join("package.json"))
.into_diagnostic()
.wrap_err("failed to read package.json")?;
manifest
.name
.clone()
.ok_or_else(|| miette!("package.json has no \"name\" field"))?
};
let link_path = global_links.join(&name);
if link_path.symlink_metadata().is_err() {
return Err(miette!("{name} is not registered as a global link"));
}
std::fs::remove_file(&link_path)
.into_diagnostic()
.wrap_err_with(|| format!("failed to remove {}", link_path.display()))?;
eprintln!("Unlinked global {name}");
Ok(())
}
/// If `path` is a symlink whose target is outside `project_dir/node_modules/.aube`,
/// remove it and return `true`. Symlinks pointing into `.aube/` (regular install symlinks)
/// are left alone and return `false`.
fn remove_if_external_symlink(
project_dir: &std::path::Path,
path: &std::path::Path,
) -> miette::Result<bool> {
let Ok(meta) = path.symlink_metadata() else {
return Ok(false);
};
if !meta.file_type().is_symlink() {
return Ok(false);
}
let target = std::fs::read_link(path).into_diagnostic()?;
// Resolve relative targets against the link's parent
let abs_target = if target.is_absolute() {
target.clone()
} else if let Some(parent) = path.parent() {
parent.join(&target)
} else {
target.clone()
};
// Canonicalize both sides so symlinked project paths (e.g. macOS /tmp → /private/tmp)
// compare correctly. Honors `virtualStoreDir` so a custom-path
// `.aube/` still classifies as internal.
let pnpm_raw = super::resolve_virtual_store_dir_for_cwd(project_dir);
let pnpm_dir = std::fs::canonicalize(&pnpm_raw).unwrap_or_else(|_| pnpm_raw.clone());
// Derive the virtual-store dir's leaf name from the resolved path
// so the dangling-symlink fallback below matches regardless of
// whether the user overrode `virtualStoreDir` to `.custom-vs`,
// `.aube-store`, etc.
let vstore_leaf = pnpm_raw
.file_name()
.map(|s| s.to_owned())
.unwrap_or_else(|| std::ffi::OsString::from(".aube"));
match std::fs::canonicalize(&abs_target) {
Ok(canonical) => {
if canonical.starts_with(&pnpm_dir) {
return Ok(false);
}
}
Err(_) => {
// Dangling symlink — canonicalize failed. Fall back to a
// component-wise check: if any segment of the raw target
// matches our resolved virtual-store leaf name, treat it
// as internal.
if target.components().any(|c| c.as_os_str() == vstore_leaf) {
return Ok(false);
}
}
}
std::fs::remove_file(path)
.into_diagnostic()
.wrap_err_with(|| format!("failed to remove {}", path.display()))?;
Ok(true)
}