68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"bytes"
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)
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// Tag represents a Git tag.
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type Tag struct {
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Name string
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Id sha1
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repo *Repository
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Object sha1 // The id of this commit object
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Type string
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Tagger *Signature
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TagMessage string
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}
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func (tag *Tag) Commit() (*Commit, error) {
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return tag.repo.getCommit(tag.Object)
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}
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// Parse commit information from the (uncompressed) raw
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// data from the commit object.
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// \n\n separate headers from message
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func parseTagData(data []byte) (*Tag, error) {
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tag := new(Tag)
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// we now have the contents of the commit object. Let's investigate...
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nextline := 0
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l:
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for {
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eol := bytes.IndexByte(data[nextline:], '\n')
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switch {
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case eol > 0:
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line := data[nextline : nextline+eol]
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spacepos := bytes.IndexByte(line, ' ')
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reftype := line[:spacepos]
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switch string(reftype) {
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case "object":
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id, err := NewIdFromString(string(line[spacepos+1:]))
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if err != nil {
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return nil, err
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}
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tag.Object = id
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case "type":
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// A commit can have one or more parents
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tag.Type = string(line[spacepos+1:])
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case "tagger":
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sig, err := newSignatureFromCommitline(line[spacepos+1:])
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if err != nil {
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return nil, err
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}
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tag.Tagger = sig
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}
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nextline += eol + 1
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case eol == 0:
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tag.TagMessage = string(data[nextline+1:])
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break l
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default:
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break l
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}
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}
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return tag, nil
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}
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