Files
gitea/modules/gitrepo/compare.go
wxiaoguang 775e3bdb34 refactor: remove unnecessary git command wrapper functions (#38531)
Removed `gitrepo.RunCmd*` functions, because gitcmd.Command works with
Repository directly.

Move some "local filesystem" related function into "localfs.go"
2026-07-20 03:17:25 +00:00

72 lines
2.4 KiB
Go

// Copyright 2025 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package gitrepo
import (
"context"
"fmt"
"strconv"
"strings"
"gitea.dev/modules/git"
"gitea.dev/modules/git/gitcmd"
)
// DivergeObject represents commit count diverging commits
type DivergeObject struct {
Ahead int
Behind int
}
// GetDivergingCommits returns the number of commits a targetBranch is ahead or behind a baseBranch
func GetDivergingCommits(ctx context.Context, repo git.RepositoryFacade, baseBranch, targetBranch string) (*DivergeObject, error) {
cmd := gitcmd.NewCommand("rev-list", "--count", "--left-right").
AddDynamicArguments(baseBranch + "..." + targetBranch).AddArguments("--")
stdout, _, err1 := cmd.WithRepo(repo).RunStdString(ctx)
if err1 != nil {
return nil, err1
}
left, right, found := strings.Cut(strings.Trim(stdout, "\n"), "\t")
if !found {
return nil, fmt.Errorf("git rev-list output is missing a tab: %q", stdout)
}
behind, err := strconv.Atoi(left)
if err != nil {
return nil, err
}
ahead, err := strconv.Atoi(right)
if err != nil {
return nil, err
}
return &DivergeObject{Ahead: ahead, Behind: behind}, nil
}
// GetCommitIDsBetweenReverse returns the last commit IDs between two commits in reverse order (from old to new) with limit.
// If the result exceeds the limit, the old commits IDs will be ignored
func GetCommitIDsBetweenReverse(ctx context.Context, repo git.RepositoryFacade, startRef, endRef, notRef string, limit int) ([]string, error) {
genCmd := func(reversions ...string) *gitcmd.Command {
cmd := gitcmd.NewCommand("rev-list", "--reverse").
AddArguments("-n").AddDynamicArguments(strconv.Itoa(limit)).
AddDynamicArguments(reversions...)
if notRef != "" { // --not should be kept as the last parameter of git command, otherwise the result will be wrong
cmd.AddOptionValues("--not", notRef)
}
return cmd
}
stdout, _, err := genCmd(startRef + ".." + endRef).WithRepo(repo).RunStdString(ctx)
if gitcmd.IsStderr(err, gitcmd.StderrNoMergeBase) {
// if the start and end are not related (no merge base), just get all commits pushed by "end ref"
// previously it would return the results of git rev-list before last so let's try that...
stdout, _, err = genCmd(endRef).WithRepo(repo).RunStdString(ctx)
}
if err != nil {
return nil, err
}
commitIDs := strings.Fields(strings.TrimSpace(stdout))
return commitIDs, nil
}