95 lines
2.1 KiB
Go
95 lines
2.1 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"context"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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// ArchiveType archive types
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type ArchiveType int
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const (
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// ZIP zip archive type
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ZIP ArchiveType = iota + 1
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// TARGZ tar gz archive type
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TARGZ
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// BUNDLE bundle archive type
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BUNDLE
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)
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// String converts an ArchiveType to string
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func (a ArchiveType) String() string {
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switch a {
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case ZIP:
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return "zip"
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case TARGZ:
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return "tar.gz"
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case BUNDLE:
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return "bundle"
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}
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return "unknown"
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}
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func ToArchiveType(s string) ArchiveType {
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switch s {
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case "zip":
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return ZIP
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case "tar.gz":
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return TARGZ
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case "bundle":
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return BUNDLE
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}
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return 0
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}
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var codebergSwitchedToNewChecksumAlgorithm = time.Date(2024, time.January, 12, 23, 0o0, 0o0, 0o0, time.UTC)
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// CreateArchive create archive content to the target path
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func (repo *Repository) CreateArchive(ctx context.Context, format ArchiveType, target io.Writer, usePrefix bool, commitID string) error {
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if format.String() == "unknown" {
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return fmt.Errorf("unknown format: %v", format)
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}
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cmd := NewCommandContextNoGlobals(ctx)
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if format == TARGZ {
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commit, err := repo.GetCommit(commitID)
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if err != nil {
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return fmt.Errorf("repo.GetCommit: %v", err)
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}
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if commit.Author.When.Before(codebergSwitchedToNewChecksumAlgorithm) {
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cmd.AddOptionValues("-c", "tar.tar.gz.command=gzip -cn")
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}
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}
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cmd.AddArguments("archive")
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if usePrefix {
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cmd.AddOptionFormat("--prefix=%s", filepath.Base(strings.TrimSuffix(repo.Path, ".git"))+"/")
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}
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cmd.AddOptionFormat("--format=%s", format.String())
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cmd.AddDynamicArguments(commitID)
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// Avoid LFS hooks getting installed because of /etc/gitconfig, which can break pull requests.
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env := append(os.Environ(), "GIT_CONFIG_NOSYSTEM=1")
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var stderr strings.Builder
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err := cmd.Run(&RunOpts{
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Dir: repo.Path,
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Stdout: target,
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Stderr: &stderr,
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Env: env,
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})
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if err != nil {
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return ConcatenateError(err, stderr.String())
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}
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return nil
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}
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