/
commit.go
84 lines (78 loc) · 2.2 KB
/
commit.go
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// Copyright 2024 The PipeCD Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package git
import (
"fmt"
"strconv"
"strings"
)
const (
separator = "__GIT_LOG_SEPARATOR__"
delimiter = "__GIT_LOG_DELIMITER__"
fieldNum = 7
commitLogFormat = separator +
"%an" + delimiter +
"%cn" + delimiter +
"%at" + delimiter +
"%H" + delimiter +
"%h" + delimiter +
"%s" + delimiter +
"%b"
)
type Commit struct {
Author string
Committer string
CreatedAt int
Hash string
AbbreviatedHash string
Message string
Body string
}
// We was using json encoding to parse commit log,
// but the commit message may contain various escape chars,
// so I think reading each log line and map to Commit field is a good way.
func parseCommits(log string) ([]Commit, error) {
lines := strings.Split(log, separator)
if len(lines) < 1 {
return nil, fmt.Errorf("invalid log")
}
commits := make([]Commit, 0, len(lines))
for _, line := range lines[1:] {
commit, err := parseCommit(line)
if err != nil {
return nil, err
}
commits = append(commits, commit)
}
return commits, nil
}
func parseCommit(log string) (Commit, error) {
fields := strings.Split(log, delimiter)
if len(fields) != fieldNum {
return Commit{}, fmt.Errorf("invalid log: log line should contain %d fields but got %d", fieldNum, len(fields))
}
createdAt, err := strconv.Atoi(fields[2])
if err != nil {
return Commit{}, err
}
return Commit{
Author: fields[0],
Committer: fields[1],
CreatedAt: createdAt,
Hash: fields[3],
AbbreviatedHash: fields[4],
Message: fields[5],
Body: strings.TrimSpace(fields[6]),
}, nil
}