284 lines · 10.3 KB · Rust
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use std::path::PathBuf; #[cfg(feature = "worktree-archive")]pub use gix_archive as archive;#[cfg(feature = "excludes")]pub use gix_worktree::*;#[cfg(feature = "worktree-mutation")]pub use gix_worktree_state as state;#[cfg(feature = "worktree-stream")]pub use gix_worktree_stream as stream; use crate::{    Repository,    bstr::{BStr, BString},}; #[cfg(feature = "index")]pub(crate) type IndexStorage = gix_features::threading::OwnShared<gix_fs::SharedFileSnapshotMut<gix_index::File>>;/// A lazily loaded and auto-updated worktree index.#[cfg(feature = "index")]pub type Index = gix_fs::SharedFileSnapshot<gix_index::File>; /// A type to represent an index which either was loaded from disk as it was persisted there, or created on the fly in memory.#[cfg(feature = "index")]#[expect(    clippy::large_enum_variant,    reason = "will be removed once `gix-error` is used consistently")]#[derive(Clone)]pub enum IndexPersistedOrInMemory {    /// The index as loaded from disk, and shared across clones of the owning `Repository`.    Persisted(Index),    /// A temporary index as created from the `HEAD^{tree}`, with the file path set to the place where it would be stored naturally.    ///    /// Note that unless saved explicitly, it will not persist.    InMemory(gix_index::File),} #[cfg(feature = "index")]impl From<Index> for IndexPersistedOrInMemory {    fn from(value: Index) -> Self {        IndexPersistedOrInMemory::Persisted(value)    }} #[cfg(feature = "index")]impl From<gix_index::File> for IndexPersistedOrInMemory {    fn from(value: gix_index::File) -> Self {        IndexPersistedOrInMemory::InMemory(value)    }} /// 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,} /// Accessimpl<'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; ///#[cfg(feature = "index")]pub mod open_index {    /// The error returned by [`Worktree::open_index()`][crate::Worktree::open_index()].    #[derive(Debug, thiserror::Error)]    #[expect(missing_docs)]    pub enum Error {        #[error(transparent)]        ConfigIndexThreads(#[from] crate::config::key::GenericErrorWithValue),        #[error(transparent)]        ConfigSkipHash(#[from] crate::config::boolean::Error),        #[error(transparent)]        IndexFile(#[from] gix_index::file::init::Error),        #[error(transparent)]        IndexCorrupt(#[from] gix_index::file::verify::Error),    }     impl crate::Worktree<'_> {        /// 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()        }    }} ///#[cfg(feature = "excludes")]pub mod excludes {    use crate::AttributeStack;     /// The error returned by [`Worktree::excludes()`][crate::Worktree::excludes()].    #[derive(Debug, thiserror::Error)]    #[expect(missing_docs)]    pub enum Error {        #[error(transparent)]        OpenIndex(#[from] crate::worktree::open_index::Error),        #[error(transparent)]        CreateCache(#[from] crate::config::exclude_stack::Error),    }     impl crate::Worktree<'_> {        /// 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<AttributeStack<'_>, Error> {            let index = self.index()?;            Ok(self.parent.excludes(                &index,                overrides,                gix_worktree::stack::state::ignore::Source::WorktreeThenIdMappingIfNotSkipped,            )?)        }    }} ///#[cfg(feature = "attributes")]pub mod attributes {    use crate::{AttributeStack, Worktree};     /// The error returned by [`Worktree::attributes()`].    #[derive(Debug, thiserror::Error)]    #[expect(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<AttributeStack<'repo>, 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<AttributeStack<'repo>, Error> {            let index = self.index()?;            self.parent                .attributes_only(                    &index,                    gix_worktree::stack::state::attributes::Source::WorktreeThenIdMapping,                )                .map_err(|err| Error::CreateCache(err.into()))        }    }} ///#[cfg(feature = "attributes")]pub mod pathspec {    use crate::{        Worktree,        bstr::BStr,        config::{cache::util::ApplyLeniencyDefaultValue, tree::gitoxide},    };     /// The error returned by [`Worktree::pathspec()`].    #[derive(Debug, thiserror::Error)]    #[expect(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.        ///        /// Note that the `empty_patterns_match_prefix` flag of the [parent method](crate::Repository::pathspec()) defaults to `true`.        ///        /// ### 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 = gitoxide::Pathspec::INHERIT_IGNORE_CASE                .enrich_error(                    self.parent                        .config                        .resolved                        .boolean("gitoxide.pathspec.inheritIgnoreCase"),                )                .with_lenient_default_value(                    self.parent.config.lenient_config,                    Some(gitoxide::Pathspec::INHERIT_IGNORE_CASE_DEFAULT),                )                .map_err(|err| Error::Init(crate::pathspec::init::Error::Defaults(err.into())))?                .unwrap_or(gitoxide::Pathspec::INHERIT_IGNORE_CASE_DEFAULT);            Ok(self.parent.pathspec(                true, /* empty patterns match prefix */                patterns,                inherit_ignore_case,                &index,                gix_worktree::stack::state::attributes::Source::WorktreeThenIdMapping,            )?)        }    }}