zhenyi
107 lines
3.6 KiB
Rust
107 lines
3.6 KiB
Rust
//! Copyright (c) 2022-2026 GitDataAi All rights reserved.
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use crate::bare::GitBare;
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use crate::error::GitResult;
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use crate::pb::{CheckMergeRequest, MergeResult, merge_result};
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use crate::resolve_revision;
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impl GitBare {
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pub fn check_merge(&self, request: CheckMergeRequest) -> GitResult<MergeResult> {
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let target = resolve_revision!(request.target);
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let source = resolve_revision!(request.source);
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let repo = self.gix_repo()?;
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let target_id = repo.rev_parse_single(target.as_str())?;
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let source_id = repo.rev_parse_single(source.as_str())?;
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if target_id == source_id {
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return Ok(MergeResult {
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status: merge_result::Status::MergeResultStatusAlreadyUpToDate as i32,
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commit: None,
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merge_base: Some(self.oid_to_pb(target_id.to_string())),
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conflicts: vec![],
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stats: None,
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message: String::from("Already up to date"),
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});
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}
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let merge_base = repo
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.merge_base(target_id.detach(), source_id.detach())
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.ok()
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.map(|id| id.to_string());
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if let Some(ref base) = merge_base {
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if *base == target_id.to_string() {
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return Ok(MergeResult {
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status: merge_result::Status::MergeResultStatusFastForward as i32,
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commit: None,
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merge_base: Some(self.oid_to_pb(base.clone())),
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conflicts: vec![],
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stats: None,
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message: String::from("Fast-forward"),
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});
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}
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if *base == source_id.to_string() {
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return Ok(MergeResult {
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status: merge_result::Status::MergeResultStatusAlreadyUpToDate as i32,
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commit: None,
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merge_base: Some(self.oid_to_pb(base.clone())),
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conflicts: vec![],
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stats: None,
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message: String::from("Already up to date"),
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});
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}
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}
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let merge_base_oid = merge_base.as_ref().map(|b| self.oid_to_pb(b.clone()));
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let result = duct::cmd(
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"git",
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[
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"--git-dir",
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self.bare_dir.to_string_lossy().as_ref(),
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"merge-tree",
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"--write-tree",
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"--no-messages",
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"-z",
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&target,
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&source,
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],
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)
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.stdout_capture()
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.stderr_capture()
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.unchecked()
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.run()?;
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let stdout = String::from_utf8_lossy(&result.stdout).into_owned();
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if result.status.success() {
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Ok(MergeResult {
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status: merge_result::Status::MergeResultStatusMerged as i32,
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commit: None,
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merge_base: merge_base_oid,
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conflicts: vec![],
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stats: None,
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message: stdout.trim().to_string(),
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})
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} else {
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let conflicts = stdout
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.split('\0')
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.filter(|s| !s.is_empty())
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.map(|path| crate::pb::MergeConflict {
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path: path.to_string(),
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..Default::default()
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})
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.collect();
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Ok(MergeResult {
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status: merge_result::Status::MergeResultStatusConflicts as i32,
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commit: None,
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merge_base: merge_base_oid,
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conflicts,
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stats: None,
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message: String::from("Merge conflicts detected"),
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})
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}
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}
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}
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