blob: 18be6dc1fe6e78461c155b90cb61f5b18c9ed4cc [file] [log] [blame]
use std::path::PathBuf;
#[cfg(feature = "worktree-archive")]
pub use gix_archive as archive;
pub use gix_worktree::*;
pub use gix_worktree_state as state;
#[cfg(feature = "worktree-stream")]
pub use gix_worktree_stream as stream;
use crate::{
bstr::{BStr, BString},
Repository,
};
pub(crate) type IndexStorage = gix_features::threading::OwnShared<gix_fs::SharedFileSnapshotMut<gix_index::File>>;
/// A lazily loaded and auto-updated worktree index.
pub type Index = gix_fs::SharedFileSnapshot<gix_index::File>;
/// A stand-in to a worktree as result of a worktree iteration.
///
/// It provides access to typical worktree state, but may not actually point to a valid checkout as the latter has been moved or
/// deleted.
#[derive(Debug, Clone)]
pub struct Proxy<'repo> {
pub(crate) parent: &'repo Repository,
pub(crate) git_dir: PathBuf,
}
/// Access
impl<'repo> crate::Worktree<'repo> {
/// Read the location of the checkout, the base of the work tree
pub fn base(&self) -> &'repo std::path::Path {
self.path
}
/// Return true if this worktree is the main worktree associated with a non-bare git repository.
///
/// It cannot be removed.
pub fn is_main(&self) -> bool {
self.id().is_none()
}
/// Return true if this worktree cannot be pruned, moved or deleted, which is useful if it is located on an external storage device.
///
/// Always false for the main worktree.
pub fn is_locked(&self) -> bool {
Proxy::new(self.parent, self.parent.git_dir()).is_locked()
}
/// Provide a reason for the locking of this worktree, if it is locked at all.
///
/// Note that we squelch errors in case the file cannot be read in which case the
/// reason is an empty string.
pub fn lock_reason(&self) -> Option<BString> {
Proxy::new(self.parent, self.parent.git_dir()).lock_reason()
}
/// Return the ID of the repository worktree, if it is a linked worktree, or `None` if it's a linked worktree.
pub fn id(&self) -> Option<&BStr> {
id(self.parent.git_dir(), self.parent.common_dir.is_some())
}
/// Returns true if the `.git` file or directory exists within the worktree.
///
/// This is an indicator for the worktree to be checked out particularly if the parent repository is a submodule.
pub fn dot_git_exists(&self) -> bool {
self.path.join(gix_discover::DOT_GIT_DIR).exists()
}
}
pub(crate) fn id(git_dir: &std::path::Path, has_common_dir: bool) -> Option<&BStr> {
if !has_common_dir {
return None;
}
let candidate = gix_path::os_str_into_bstr(git_dir.file_name().expect("at least one directory level"))
.expect("no illformed UTF-8");
let maybe_worktrees = git_dir.parent()?;
(maybe_worktrees.file_name()?.to_str()? == "worktrees").then_some(candidate)
}
///
pub mod proxy;
///
pub mod open_index {
/// The error returned by [`Worktree::open_index()`][crate::Worktree::open_index()].
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
ConfigIndexThreads(#[from] crate::config::key::GenericErrorWithValue),
#[error(transparent)]
IndexFile(#[from] gix_index::file::init::Error),
}
impl<'repo> crate::Worktree<'repo> {
/// A shortcut to [`crate::Repository::open_index()`].
pub fn open_index(&self) -> Result<gix_index::File, Error> {
self.parent.open_index()
}
/// A shortcut to [`crate::Repository::index()`].
pub fn index(&self) -> Result<crate::worktree::Index, Error> {
self.parent.index()
}
}
}
///
pub mod excludes {
/// The error returned by [`Worktree::excludes()`][crate::Worktree::excludes()].
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
OpenIndex(#[from] crate::worktree::open_index::Error),
#[error(transparent)]
CreateCache(#[from] crate::config::exclude_stack::Error),
}
impl<'repo> crate::Worktree<'repo> {
/// Configure a file-system cache checking if files below the repository are excluded.
///
/// This takes into consideration all the usual repository configuration, namely:
///
/// * `$XDG_CONFIG_HOME/…/ignore` if `core.excludesFile` is *not* set, otherwise use the configured file.
/// * `$GIT_DIR/info/exclude` if present.
///
/// When only excludes are desired, this is the most efficient way to obtain them. Otherwise use
/// [`Worktree::attributes()`][crate::Worktree::attributes()] for accessing both attributes and excludes.
pub fn excludes(&self, overrides: Option<gix_ignore::Search>) -> Result<gix_worktree::Stack, Error> {
let index = self.index()?;
Ok(self.parent.excludes(
&index,
overrides,
gix_worktree::stack::state::ignore::Source::WorktreeThenIdMappingIfNotSkipped,
)?)
}
}
}
///
pub mod attributes {
use crate::Worktree;
/// The error returned by [`Worktree::attributes()`].
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
OpenIndex(#[from] crate::worktree::open_index::Error),
#[error(transparent)]
CreateCache(#[from] crate::repository::attributes::Error),
}
impl<'repo> Worktree<'repo> {
/// Configure a file-system cache checking if files below the repository are excluded or for querying their attributes.
///
/// This takes into consideration all the usual repository configuration, namely:
///
/// * `$XDG_CONFIG_HOME/…/ignore|attributes` if `core.excludesFile|attributesFile` is *not* set, otherwise use the configured file.
/// * `$GIT_DIR/info/exclude|attributes` if present.
pub fn attributes(&self, overrides: Option<gix_ignore::Search>) -> Result<gix_worktree::Stack, Error> {
let index = self.index()?;
Ok(self.parent.attributes(
&index,
gix_worktree::stack::state::attributes::Source::WorktreeThenIdMapping,
gix_worktree::stack::state::ignore::Source::WorktreeThenIdMappingIfNotSkipped,
overrides,
)?)
}
/// Like [attributes()][Self::attributes()], but without access to exclude/ignore information.
pub fn attributes_only(&self) -> Result<gix_worktree::Stack, Error> {
let index = self.index()?;
self.parent
.attributes_only(
&index,
gix_worktree::stack::state::attributes::Source::WorktreeThenIdMapping,
)
.map_err(|err| Error::CreateCache(err.into()))
}
}
}
///
pub mod pathspec {
use crate::{
bstr::BStr,
config::{cache::util::ApplyLeniencyDefaultValue, tree::gitoxide},
Worktree,
};
/// The error returned by [`Worktree::pathspec()`].
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
Init(#[from] crate::pathspec::init::Error),
#[error(transparent)]
OpenIndex(#[from] crate::worktree::open_index::Error),
}
impl<'repo> Worktree<'repo> {
/// Configure pathspecs `patterns` to be matched against, with pathspec attributes read from the worktree and then from the index
/// if needed.
///
/// ### Deviation
///
/// Pathspec attributes match case-insensitively by default if the underlying filesystem is configured that way.
pub fn pathspec(
&self,
patterns: impl IntoIterator<Item = impl AsRef<BStr>>,
) -> Result<crate::Pathspec<'repo>, Error> {
let index = self.index()?;
let inherit_ignore_case = self
.parent
.config
.resolved
.boolean_by_key("gitoxide.pathspec.inheritIgnoreCase")
.map(|res| {
gitoxide::Pathspec::INHERIT_IGNORE_CASE
.enrich_error(res)
.with_lenient_default_value(
self.parent.config.lenient_config,
gitoxide::Pathspec::INHERIT_IGNORE_CASE_DEFAULT,
)
})
.transpose()
.map_err(|err| Error::Init(crate::pathspec::init::Error::Defaults(err.into())))?
.unwrap_or(gitoxide::Pathspec::INHERIT_IGNORE_CASE_DEFAULT);
Ok(self.parent.pathspec(
patterns,
inherit_ignore_case,
&index,
gix_worktree::stack::state::attributes::Source::WorktreeThenIdMapping,
)?)
}
}
}