1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
package main
import (
"fmt"
"io/fs"
"os"
"os/exec"
"strconv"
"strings"
"time"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/martinlehoux/kagamigo/kcore"
)
type RecordExtractor interface {
Extract(keyword string, path string, line int) Record
}
type StatRecordExtractor struct {
fileInfo fs.FileInfo
}
func NewStatRecordExtractor(absolutePath string) *StatRecordExtractor {
fileInfo, err := os.Stat(absolutePath)
kcore.Expect(err, "Error getting file info")
return &StatRecordExtractor{
fileInfo: fileInfo,
}
}
func (re *StatRecordExtractor) Extract(keyword string, path string, line int) Record {
return Record{
keyword: keyword,
path: path,
line: line,
date: re.fileInfo.ModTime(),
}
}
type GoGitRecordExtractor struct {
blame *git.BlameResult
}
func NewGoGitRecordExtractor(head *object.Commit, path string) *GoGitRecordExtractor {
blame, err := git.Blame(head, path)
if err == object.ErrFileNotFound {
return nil
}
return &GoGitRecordExtractor{
blame: blame,
}
}
func (re *GoGitRecordExtractor) Extract(keyword string, path string, line int) Record {
record := Record{
keyword: keyword,
path: path,
line: line,
}
if re != nil {
record.date = re.blame.Lines[line-1].Date
}
return record
}
type GitRecordExtractor struct {
repoPath string
}
func (re *GitRecordExtractor) Extract(keyword string, path string, line int) Record {
record := Record{
keyword: keyword,
path: path,
line: line,
}
gitArgs := []string{"blame", "-L", fmt.Sprintf("%d,%d", line, line), "--porcelain", path}
cmd := exec.Command("git", gitArgs...) // #nosec G204
cmd.Dir = re.repoPath
output, err := cmd.Output()
if err != nil {
panic(kcore.Wrap(err, fmt.Sprintf("Error running: git %s", strings.Join(gitArgs, " "))))
}
for _, blameLine := range strings.Split(string(output), "\n") {
if strings.HasPrefix(blameLine, "author-time ") {
timestamp, err := strconv.ParseInt(strings.TrimPrefix(blameLine, "author-time "), 10, 64)
kcore.Expect(err, "Error parsing timestamp")
record.date = time.Unix(timestamp, 0)
return record
}
}
kcore.Assert(false, "No date found in git blame output")
return Record{}
}
|
