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