mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-10-20 16:26:08 +00:00
83bb3cf86a
Replace #28849. Thanks to @yp05327 for the looking into the problem. Fix #28840 The old behavior of newSignatureFromCommitline is not right. The new parseSignatureFromCommitLine: 1. never fails 2. only accept one format (if there is any other, it could be easily added) And add some tests. (cherry picked from commit a24e1da7e9e38fc5f5c84c083d122c0cc3da4b74)
234 lines
6.6 KiB
Go
234 lines
6.6 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 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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"strings"
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"code.gitea.io/gitea/modules/git/foreachref"
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"code.gitea.io/gitea/modules/util"
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)
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// TagPrefix tags prefix path on the repository
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const TagPrefix = "refs/tags/"
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// IsTagExist returns true if given tag exists in the repository.
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func IsTagExist(ctx context.Context, repoPath, name string) bool {
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return IsReferenceExist(ctx, repoPath, TagPrefix+name)
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}
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// CreateTag create one tag in the repository
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func (repo *Repository) CreateTag(name, revision string) error {
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_, _, err := NewCommand(repo.Ctx, "tag").AddDashesAndList(name, revision).RunStdString(&RunOpts{Dir: repo.Path})
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return err
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}
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// CreateAnnotatedTag create one annotated tag in the repository
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func (repo *Repository) CreateAnnotatedTag(name, message, revision string) error {
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_, _, err := NewCommand(repo.Ctx, "tag", "-a", "-m").AddDynamicArguments(message).AddDashesAndList(name, revision).RunStdString(&RunOpts{Dir: repo.Path})
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return err
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}
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// GetTagNameBySHA returns the name of a tag from its tag object SHA or commit SHA
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func (repo *Repository) GetTagNameBySHA(sha string) (string, error) {
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if len(sha) < 5 {
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return "", fmt.Errorf("SHA is too short: %s", sha)
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}
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stdout, _, err := NewCommand(repo.Ctx, "show-ref", "--tags", "-d").RunStdString(&RunOpts{Dir: repo.Path})
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if err != nil {
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return "", err
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}
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tagRefs := strings.Split(stdout, "\n")
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for _, tagRef := range tagRefs {
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if len(strings.TrimSpace(tagRef)) > 0 {
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fields := strings.Fields(tagRef)
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if strings.HasPrefix(fields[0], sha) && strings.HasPrefix(fields[1], TagPrefix) {
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name := fields[1][len(TagPrefix):]
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// annotated tags show up twice, we should only return if is not the ^{} ref
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if !strings.HasSuffix(name, "^{}") {
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return name, nil
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}
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}
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}
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}
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return "", ErrNotExist{ID: sha}
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}
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// GetTagID returns the object ID for a tag (annotated tags have both an object SHA AND a commit SHA)
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func (repo *Repository) GetTagID(name string) (string, error) {
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stdout, _, err := NewCommand(repo.Ctx, "show-ref", "--tags").AddDashesAndList(name).RunStdString(&RunOpts{Dir: repo.Path})
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if err != nil {
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return "", err
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}
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// Make sure exact match is used: "v1" != "release/v1"
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for _, line := range strings.Split(stdout, "\n") {
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fields := strings.Fields(line)
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if len(fields) == 2 && fields[1] == "refs/tags/"+name {
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return fields[0], nil
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}
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}
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return "", ErrNotExist{ID: name}
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}
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// GetTag returns a Git tag by given name.
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func (repo *Repository) GetTag(name string) (*Tag, error) {
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idStr, err := repo.GetTagID(name)
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if err != nil {
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return nil, err
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}
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id, err := NewIDFromString(idStr)
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if err != nil {
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return nil, err
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}
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tag, err := repo.getTag(id, name)
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if err != nil {
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return nil, err
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}
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return tag, nil
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}
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// GetTagWithID returns a Git tag by given name and ID
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func (repo *Repository) GetTagWithID(idStr, name string) (*Tag, error) {
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id, err := NewIDFromString(idStr)
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if err != nil {
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return nil, err
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}
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tag, err := repo.getTag(id, name)
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if err != nil {
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return nil, err
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}
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return tag, nil
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}
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// GetTagInfos returns all tag infos of the repository.
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func (repo *Repository) GetTagInfos(page, pageSize int) ([]*Tag, int, error) {
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// Generally, refname:short should be equal to refname:lstrip=2 except core.warnAmbiguousRefs is used to select the strict abbreviation mode.
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// https://git-scm.com/docs/git-for-each-ref#Documentation/git-for-each-ref.txt-refname
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forEachRefFmt := foreachref.NewFormat("objecttype", "refname:lstrip=2", "object", "objectname", "creator", "contents", "contents:signature")
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stdoutReader, stdoutWriter := io.Pipe()
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defer stdoutReader.Close()
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defer stdoutWriter.Close()
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stderr := strings.Builder{}
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rc := &RunOpts{Dir: repo.Path, Stdout: stdoutWriter, Stderr: &stderr}
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go func() {
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err := NewCommand(repo.Ctx, "for-each-ref").
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AddOptionFormat("--format=%s", forEachRefFmt.Flag()).
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AddArguments("--sort", "-*creatordate", "refs/tags").Run(rc)
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if err != nil {
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_ = stdoutWriter.CloseWithError(ConcatenateError(err, stderr.String()))
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} else {
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_ = stdoutWriter.Close()
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}
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}()
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var tags []*Tag
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parser := forEachRefFmt.Parser(stdoutReader)
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for {
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ref := parser.Next()
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if ref == nil {
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break
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}
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tag, err := parseTagRef(repo.objectFormat, ref)
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if err != nil {
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return nil, 0, fmt.Errorf("GetTagInfos: parse tag: %w", err)
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}
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tags = append(tags, tag)
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}
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if err := parser.Err(); err != nil {
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return nil, 0, fmt.Errorf("GetTagInfos: parse output: %w", err)
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}
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sortTagsByTime(tags)
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tagsTotal := len(tags)
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if page != 0 {
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tags = util.PaginateSlice(tags, page, pageSize).([]*Tag)
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}
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return tags, tagsTotal, nil
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}
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// parseTagRef parses a tag from a 'git for-each-ref'-produced reference.
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func parseTagRef(objectFormat ObjectFormat, ref map[string]string) (tag *Tag, err error) {
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tag = &Tag{
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Type: ref["objecttype"],
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Name: ref["refname:lstrip=2"],
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}
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tag.ID, err = NewIDFromString(ref["objectname"])
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if err != nil {
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return nil, fmt.Errorf("parse objectname '%s': %w", ref["objectname"], err)
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}
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if tag.Type == "commit" {
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// lightweight tag
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tag.Object = tag.ID
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} else {
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// annotated tag
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tag.Object, err = NewIDFromString(ref["object"])
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if err != nil {
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return nil, fmt.Errorf("parse object '%s': %w", ref["object"], err)
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}
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}
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tag.Tagger = parseSignatureFromCommitLine(ref["creator"])
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tag.Message = ref["contents"]
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// strip PGP signature if present in contents field
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pgpStart := strings.Index(tag.Message, beginpgp)
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if pgpStart >= 0 {
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tag.Message = tag.Message[0:pgpStart]
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}
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// annotated tag with GPG signature
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if tag.Type == "tag" && ref["contents:signature"] != "" {
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payload := fmt.Sprintf("object %s\ntype commit\ntag %s\ntagger %s\n\n%s\n",
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tag.Object, tag.Name, ref["creator"], strings.TrimSpace(tag.Message))
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tag.Signature = &CommitGPGSignature{
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Signature: ref["contents:signature"],
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Payload: payload,
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}
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}
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return tag, nil
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}
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// GetAnnotatedTag returns a Git tag by its SHA, must be an annotated tag
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func (repo *Repository) GetAnnotatedTag(sha string) (*Tag, error) {
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id, err := NewIDFromString(sha)
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if err != nil {
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return nil, err
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}
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// Tag type must be "tag" (annotated) and not a "commit" (lightweight) tag
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if tagType, err := repo.GetTagType(id); err != nil {
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return nil, err
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} else if ObjectType(tagType) != ObjectTag {
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// not an annotated tag
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return nil, ErrNotExist{ID: id.String()}
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}
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// Get tag name
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name, err := repo.GetTagNameBySHA(id.String())
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if err != nil {
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return nil, err
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}
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tag, err := repo.getTag(id, name)
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if err != nil {
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return nil, err
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}
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return tag, nil
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}
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