snapshot of https://github.com/go-gitea/gitea.git (main, 2026-09-15; blobs > 131072B omitted)

modules/git/fastimport.go

@@ -0,0 +1,67 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"os"
+
+	"gitea.dev/modules/git/gitcmd"
+	"gitea.dev/modules/git/gitrepo"
+	"gitea.dev/modules/util"
+)
+
+type FastImportInit struct {
+	Bare         bool
+	ObjectFormat string
+}
+
+type FastImportFile struct {
+	Mode    EntryMode
+	Path    string
+	Content string
+}
+
+type FastImportCommit struct {
+	Ref     string
+	Message string
+	Files   []FastImportFile
+}
+
+// ForceFastImportWithInit is for mainly for testing purpose
+func ForceFastImportWithInit(ctx context.Context, repoLocalPath string, commits []FastImportCommit, initOpts ...FastImportInit) (RepositoryFacade, error) {
+	repo := gitrepo.RepositoryUnmanaged(repoLocalPath)
+	initOpt := util.OptionalArg(initOpts, FastImportInit{Bare: true})
+	dirEntries, err := os.ReadDir(repoLocalPath)
+	if os.IsNotExist(err) || (err == nil && len(dirEntries) == 0) {
+		_ = os.MkdirAll(repoLocalPath, 0o755)
+		err := InitRepositoryLocal(ctx, repoLocalPath, initOpt.Bare, util.IfZero(initOpt.ObjectFormat, "sha1"))
+		if err != nil {
+			return nil, err
+		}
+	}
+	return repo, ForceFastImport(ctx, repo, commits)
+}
+
+// ForceFastImport is for mainly for testing purpose
+func ForceFastImport(ctx context.Context, repo RepositoryFacade, commits []FastImportCommit) error {
+	var buf bytes.Buffer
+	for i, c := range commits {
+		msg := util.IfZero(c.Message, fmt.Sprintf("commit %d", i+1))
+		_, _ = fmt.Fprintf(&buf, "reset %s\n", c.Ref)
+		_, _ = fmt.Fprintf(&buf, "commit %s\nmark :%d\ncommitter Gitea <gitea@example.com> 1500000000 +0000\n", c.Ref, i+1)
+		_, _ = fmt.Fprintf(&buf, "data %d\n%s\n", len(msg), msg)
+		for _, f := range c.Files {
+			mode := util.IfZero(f.Mode, EntryModeBlob)
+			_, _ = fmt.Fprintf(&buf, "M %s inline %s\ndata %d\n%s\n", mode.String(), f.Path, len(f.Content), f.Content)
+		}
+	}
+	buf.WriteString("done\n")
+	_, _, err := gitcmd.NewCommand("fast-import").AddArguments("--force", "--done").
+		WithRepo(repo).WithStdinBytes(buf.Bytes()).
+		RunStdString(ctx)
+	return err
+}