use crate::{ commit, owned::{self, ser, NL},};use bstr::{BStr, BString, ByteSlice};use smallvec::SmallVec;use std::io; /// A mutable git commit, representing an annotated state of a working tree along with a reference to its historical commits.#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]pub struct Commit { /// The hash of recorded working tree state. pub tree: git_hash::ObjectId, /// Hash of each parent commit. Empty for the first commit in repository. pub parents: SmallVec<[git_hash::ObjectId; 1]>, /// Who wrote this commit. pub author: owned::Signature, /// Who committed this commit. /// /// This may be different from the `author` in case the author couldn't write to the repository themselves and /// is commonly encountered with contributed commits. pub committer: owned::Signature, /// The name of the message encoding, otherwise [UTF-8 should be assumed](https://github.com/git/git/blob/e67fbf927dfdf13d0b21dc6ea15dc3c7ef448ea0/commit.c#L1493:L1493). pub encoding: Option<BString>, /// The commit message documenting the change. pub message: BString, /// Extra header fields, in order of them being encountered, made accessible with the iterator returned /// by [`extra_headers()`][Commit::extra_headers()]. pub extra_headers: Vec<(BString, BString)>,} impl Commit { /// Returns a convenient iterator over all extra headers. pub fn extra_headers(&self) -> commit::ExtraHeaders<impl Iterator<Item = (&BStr, &BStr)>> { commit::ExtraHeaders::new(self.extra_headers.iter().map(|(k, v)| (k.as_bstr(), v.as_bstr()))) } /// Serializes this instance to `out` in the git serialization format. pub fn write_to(&self, mut out: impl io::Write) -> io::Result<()> { ser::trusted_header_id(b"tree", &self.tree, &mut out)?; for parent in &self.parents { ser::trusted_header_id(b"parent", parent, &mut out)?; } ser::trusted_header_signature(b"author", &self.author, &mut out)?; ser::trusted_header_signature(b"committer", &self.committer, &mut out)?; if let Some(encoding) = self.encoding.as_ref() { ser::header_field(b"encoding", encoding, &mut out)?; } for (name, value) in &self.extra_headers { let has_newline = value.find_byte(b'\n').is_some(); if has_newline { ser::header_field_multi_line(name, value, &mut out)?; } else { ser::trusted_header_field(name, value, &mut out)?; } } out.write_all(NL)?; out.write_all(&self.message) }}
use crate::{
commit,
owned::{self, ser, NL},
};
use bstr::{BStr, BString, ByteSlice};
use smallvec::SmallVec;
use std::io;
/// A mutable git commit, representing an annotated state of a working tree along with a reference to its historical commits.
#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]
#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]
pub struct Commit {
/// The hash of recorded working tree state.
pub tree: git_hash::ObjectId,
/// Hash of each parent commit. Empty for the first commit in repository.
pub parents: SmallVec<[git_hash::ObjectId; 1]>,
/// Who wrote this commit.
pub author: owned::Signature,
/// Who committed this commit.
///
/// This may be different from the `author` in case the author couldn't write to the repository themselves and
/// is commonly encountered with contributed commits.
pub committer: owned::Signature,
/// The name of the message encoding, otherwise [UTF-8 should be assumed](https://github.com/git/git/blob/e67fbf927dfdf13d0b21dc6ea15dc3c7ef448ea0/commit.c#L1493:L1493).
pub encoding: Option<BString>,
/// The commit message documenting the change.
pub message: BString,
/// Extra header fields, in order of them being encountered, made accessible with the iterator returned
/// by [`extra_headers()`][Commit::extra_headers()].
pub extra_headers: Vec<(BString, BString)>,
}
impl Commit {
/// Returns a convenient iterator over all extra headers.
pub fn extra_headers(&self) -> commit::ExtraHeaders<impl Iterator<Item = (&BStr, &BStr)>> {
commit::ExtraHeaders::new(self.extra_headers.iter().map(|(k, v)| (k.as_bstr(), v.as_bstr())))
}
/// Serializes this instance to `out` in the git serialization format.
pub fn write_to(&self, mut out: impl io::Write) -> io::Result<()> {
ser::trusted_header_id(b"tree", &self.tree, &mut out)?;
for parent in &self.parents {
ser::trusted_header_id(b"parent", parent, &mut out)?;
}
ser::trusted_header_signature(b"author", &self.author, &mut out)?;
ser::trusted_header_signature(b"committer", &self.committer, &mut out)?;
if let Some(encoding) = self.encoding.as_ref() {
ser::header_field(b"encoding", encoding, &mut out)?;
}
for (name, value) in &self.extra_headers {
let has_newline = value.find_byte(b'\n').is_some();
if has_newline {
ser::header_field_multi_line(name, value, &mut out)?;
} else {
ser::trusted_header_field(name, value, &mut out)?;
}
}
out.write_all(NL)?;
out.write_all(&self.message)
}
}