Move commit related functions to gitrepo package (#35600)

modules/gitrepo/commit.go

@@ -0,0 +1,96 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package gitrepo
+
+import (
+	"context"
+	"strconv"
+	"strings"
+
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/git/gitcmd"
+)
+
+// CommitsCountOptions the options when counting commits
+type CommitsCountOptions struct {
+	Not      string
+	Revision []string
+	RelPath  []string
+	Since    string
+	Until    string
+}
+
+// CommitsCount returns number of total commits of until given revision.
+func CommitsCount(ctx context.Context, repo Repository, opts CommitsCountOptions) (int64, error) {
+	cmd := gitcmd.NewCommand("rev-list", "--count")
+
+	cmd.AddDynamicArguments(opts.Revision...)
+
+	if opts.Not != "" {
+		cmd.AddOptionValues("--not", opts.Not)
+	}
+
+	if len(opts.RelPath) > 0 {
+		cmd.AddDashesAndList(opts.RelPath...)
+	}
+
+	stdout, _, err := cmd.WithDir(repoPath(repo)).RunStdString(ctx)
+	if err != nil {
+		return 0, err
+	}
+
+	return strconv.ParseInt(strings.TrimSpace(stdout), 10, 64)
+}
+
+// CommitsCountBetween return numbers of commits between two commits
+func CommitsCountBetween(ctx context.Context, repo Repository, start, end string) (int64, error) {
+	count, err := CommitsCount(ctx, repo, CommitsCountOptions{
+		Revision: []string{start + ".." + end},
+	})
+
+	if err != nil && strings.Contains(err.Error(), "no merge base") {
+		// future versions of git >= 2.28 are likely to return an error if before and last have become unrelated.
+		// previously it would return the results of git rev-list before last so let's try that...
+		return CommitsCount(ctx, repo, CommitsCountOptions{
+			Revision: []string{start, end},
+		})
+	}
+
+	return count, err
+}
+
+// FileCommitsCount return the number of files at a revision
+func FileCommitsCount(ctx context.Context, repo Repository, revision, file string) (int64, error) {
+	return CommitsCount(ctx, repo,
+		CommitsCountOptions{
+			Revision: []string{revision},
+			RelPath:  []string{file},
+		})
+}
+
+// CommitsCountOfCommit returns number of total commits of until current revision.
+func CommitsCountOfCommit(ctx context.Context, repo Repository, commitID string) (int64, error) {
+	return CommitsCount(ctx, repo, CommitsCountOptions{
+		Revision: []string{commitID},
+	})
+}
+
+// AllCommitsCount returns count of all commits in repository
+func AllCommitsCount(ctx context.Context, repo Repository, hidePRRefs bool, files ...string) (int64, error) {
+	cmd := gitcmd.NewCommand("rev-list")
+	if hidePRRefs {
+		cmd.AddArguments("--exclude=" + git.PullPrefix + "*")
+	}
+	cmd.AddArguments("--all", "--count")
+	if len(files) > 0 {
+		cmd.AddDashesAndList(files...)
+	}
+
+	stdout, err := RunCmdString(ctx, repo, cmd)
+	if err != nil {
+		return 0, err
+	}
+
+	return strconv.ParseInt(strings.TrimSpace(stdout), 10, 64)
+}