1pub mod blame;
  2pub mod commit;
  3mod hosting_provider;
  4mod remote;
  5pub mod repository;
  6pub mod status;
  7
  8use anyhow::{anyhow, Context as _, Result};
  9use gpui::action_with_deprecated_aliases;
 10use gpui::actions;
 11use serde::{Deserialize, Serialize};
 12use std::ffi::OsStr;
 13use std::fmt;
 14use std::str::FromStr;
 15use std::sync::LazyLock;
 16
 17pub use crate::hosting_provider::*;
 18pub use crate::remote::*;
 19pub use git2 as libgit;
 20pub use repository::WORK_DIRECTORY_REPO_PATH;
 21
 22pub static DOT_GIT: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new(".git"));
 23pub static GITIGNORE: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new(".gitignore"));
 24pub static FSMONITOR_DAEMON: LazyLock<&'static OsStr> =
 25    LazyLock::new(|| OsStr::new("fsmonitor--daemon"));
 26pub static LFS_DIR: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new("lfs"));
 27pub static COMMIT_MESSAGE: LazyLock<&'static OsStr> =
 28    LazyLock::new(|| OsStr::new("COMMIT_EDITMSG"));
 29pub static INDEX_LOCK: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new("index.lock"));
 30
 31actions!(
 32    git,
 33    [
 34        // per-hunk
 35        ToggleStaged,
 36        StageAndNext,
 37        UnstageAndNext,
 38        // per-file
 39        StageFile,
 40        UnstageFile,
 41        // repo-wide
 42        StageAll,
 43        UnstageAll,
 44        RestoreTrackedFiles,
 45        TrashUntrackedFiles,
 46        Uncommit,
 47        Push,
 48        ForcePush,
 49        Pull,
 50        Fetch,
 51        Commit,
 52        ExpandCommitEditor,
 53        GenerateCommitMessage,
 54        Init,
 55    ]
 56);
 57action_with_deprecated_aliases!(git, RestoreFile, ["editor::RevertFile"]);
 58action_with_deprecated_aliases!(git, Restore, ["editor::RevertSelectedHunks"]);
 59
 60/// The length of a Git short SHA.
 61pub const SHORT_SHA_LENGTH: usize = 7;
 62
 63#[derive(Clone, Copy, Eq, Hash, PartialEq)]
 64pub struct Oid(libgit::Oid);
 65
 66impl Oid {
 67    pub fn from_bytes(bytes: &[u8]) -> Result<Self> {
 68        let oid = libgit::Oid::from_bytes(bytes).context("failed to parse bytes into git oid")?;
 69        Ok(Self(oid))
 70    }
 71
 72    pub fn as_bytes(&self) -> &[u8] {
 73        self.0.as_bytes()
 74    }
 75
 76    pub(crate) fn is_zero(&self) -> bool {
 77        self.0.is_zero()
 78    }
 79
 80    /// Returns this [`Oid`] as a short SHA.
 81    pub fn display_short(&self) -> String {
 82        self.to_string().chars().take(SHORT_SHA_LENGTH).collect()
 83    }
 84}
 85
 86impl FromStr for Oid {
 87    type Err = anyhow::Error;
 88
 89    fn from_str(s: &str) -> std::prelude::v1::Result<Self, Self::Err> {
 90        libgit::Oid::from_str(s)
 91            .map_err(|error| anyhow!("failed to parse git oid: {}", error))
 92            .map(Self)
 93    }
 94}
 95
 96impl fmt::Debug for Oid {
 97    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 98        fmt::Display::fmt(self, f)
 99    }
100}
101
102impl fmt::Display for Oid {
103    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
104        self.0.fmt(f)
105    }
106}
107
108impl Serialize for Oid {
109    fn serialize<S>(&self, serializer: S) -> std::prelude::v1::Result<S::Ok, S::Error>
110    where
111        S: serde::Serializer,
112    {
113        serializer.serialize_str(&self.0.to_string())
114    }
115}
116
117impl<'de> Deserialize<'de> for Oid {
118    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
119    where
120        D: serde::Deserializer<'de>,
121    {
122        let s = String::deserialize(deserializer)?;
123        s.parse::<Oid>().map_err(serde::de::Error::custom)
124    }
125}
126
127impl Default for Oid {
128    fn default() -> Self {
129        Self(libgit::Oid::zero())
130    }
131}
132
133impl From<Oid> for u32 {
134    fn from(oid: Oid) -> Self {
135        let bytes = oid.0.as_bytes();
136        debug_assert!(bytes.len() > 4);
137
138        let mut u32_bytes: [u8; 4] = [0; 4];
139        u32_bytes.copy_from_slice(&bytes[..4]);
140
141        u32::from_ne_bytes(u32_bytes)
142    }
143}
144
145impl From<Oid> for usize {
146    fn from(oid: Oid) -> Self {
147        let bytes = oid.0.as_bytes();
148        debug_assert!(bytes.len() > 8);
149
150        let mut u64_bytes: [u8; 8] = [0; 8];
151        u64_bytes.copy_from_slice(&bytes[..8]);
152
153        u64::from_ne_bytes(u64_bytes) as usize
154    }
155}