gitdataai/lib/git/cmd/merge/merge_commit.rs
2026-05-30 01:38:40 +08:00

128 lines
4.3 KiB
Rust

use serde::{Deserialize, Serialize};
use crate::{
bare::GitBare,
cmd::{
commit::CommitSignature, merge::MergeOptions, oid::ObjectId,
parse::format_git_timestamp,
},
errors::{GitError, GitResult},
};
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct MergeCommitParams {
pub their_commit: ObjectId,
pub author: CommitSignature,
pub committer: CommitSignature,
pub message: String,
pub update_ref: Option<String>,
pub options: Option<MergeOptions>,
}
impl GitBare {
pub fn merge_commit(
&self,
params: MergeCommitParams,
) -> GitResult<ObjectId> {
let repo = self.gix_repo()?;
let head_id =
repo.head_id().map_err(|e| GitError::Gix(e.to_string()))?;
let head_oid = ObjectId::new(head_id.detach().to_hex().to_string());
let mut merge_tree_args =
vec!["merge-tree".to_string(), "--write-tree".to_string()];
if let Some(opts) = &params.options {
if opts.find_renames {
merge_tree_args.push("--find-renames".to_string());
if opts.rename_threshold > 0 {
merge_tree_args.push(format!(
"--rename-threshold={}",
opts.rename_threshold
));
}
}
if opts.fail_on_conflict {
merge_tree_args.push("--fail-on-conflict".to_string());
}
}
merge_tree_args.push(head_oid.as_str().to_string());
merge_tree_args.push(params.their_commit.as_str().to_string());
let merge_tree_output = self.git_command_stdout(merge_tree_args)?;
let tree_oid_str =
merge_tree_output.lines().next().unwrap_or("").trim();
if tree_oid_str.is_empty() {
return Err(GitError::CommandFailed {
status_code: None,
stderr: "merge-tree produced no output".to_string(),
});
}
let tree_oid = ObjectId::new(tree_oid_str);
let commit_tree_args = vec![
"commit-tree".to_string(),
tree_oid.as_str().to_string(),
"-p".to_string(),
head_oid.as_str().to_string(),
"-p".to_string(),
params.their_commit.as_str().to_string(),
"-F".to_string(),
"-".to_string(), // read message from stdin
];
let author_timestamp = format_git_timestamp(
params.author.time_secs,
params.author.offset_minutes,
);
let committer_timestamp = format_git_timestamp(
params.committer.time_secs,
params.committer.offset_minutes,
);
let commit_output = self.git_command_with(
crate::cmd::command::GitCommandParams::new(commit_tree_args)
.with_stdin(params.message.as_bytes().to_vec())
.with_env(
"GIT_AUTHOR_NAME".to_string(),
params.author.name.clone(),
)
.with_env(
"GIT_AUTHOR_EMAIL".to_string(),
params.author.email.clone(),
)
.with_env("GIT_AUTHOR_DATE".to_string(), author_timestamp)
.with_env(
"GIT_COMMITTER_NAME".to_string(),
params.committer.name.clone(),
)
.with_env(
"GIT_COMMITTER_EMAIL".to_string(),
params.committer.email.clone(),
)
.with_env(
"GIT_COMMITTER_DATE".to_string(),
committer_timestamp,
),
)?;
let stdout_str = commit_output.stdout_lossy();
let commit_oid_str = stdout_str.trim();
if commit_oid_str.is_empty() {
return Err(GitError::CommandFailed {
status_code: commit_output.status_code,
stderr: commit_output.stderr_lossy(),
});
}
let result_oid = ObjectId::new(commit_oid_str);
if let Some(ref_name) = &params.update_ref {
self.git_command_trusted_stdout(vec![
"update-ref".to_string(),
ref_name.clone(),
result_oid.as_str().to_string(),
])?;
}
Ok(result_oid)
}
}