1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39
40. 40
41. 41
42. 42
43. 43
44. 44
45. 45
46. 46
47. 47
48. 48
49. 49
50. 50
51. 51
52. 52
53. 53
54. 54
55. 55
56. 56
57. 57
58. 58
59. 59
60. 60
61. 61
62. 62
63. 63
64. 64
65. 65
66. 66
67. 67
68. 68
69. 69

// Copyright 2026 Shota FUJI <pockawoooh@gmail.com>
// SPDX-License-Identifier: MIT

package repo

import (
	"encoding/hex"
	"log"
	"net/http"

	"github.com/go-git/go-git/v5/plumbing"

	"github.com/pocka/legit/git"
	"github.com/pocka/legit/pages/errors"
	"github.com/pocka/legit/templates"
)

func (repo *Repo) commit(pathRemainings string, w http.ResponseWriter, r *http.Request) {
	h, err := hex.DecodeString(pathRemainings)
	if err != nil {
		errors.WriteNotFound(repo.core, w, r)
		return
	}

	var hash plumbing.Hash
	copy(hash[:], h)

	commit, err := repo.r.CommitObject(hash)
	if err != nil {
		if err == plumbing.ErrObjectNotFound {
			errors.WriteNotFound(repo.core, w, r)
			return
		}

		errors.WriteInternalServerError(repo.core, w, r)
		log.Println(err)
		return
	}

	var diff *git.NiceDiff
	if repo.core.Config.Repo.Diff == "system" {
		diff, err = git.SystemDiff(repo.path, commit)
	} else {
		diff, err = git.Diff(commit)
	}
	if err != nil {
		errors.WriteInternalServerError(repo.core, w, r)
		log.Println(err)
		return
	}

	data := templates.RepoCommitData{
		Config: repo.core.Config,
		Meta: templates.RepositoryMeta{
			DisplayName: repo.core.RepositoryName(repo.dirname),
			DirName:     repo.dirname,
			Description: git.GitwebDescription(repo.r),
			Ref:         hash.String(),
		},
		Commit: commit,
		Parent: diff.Parent,
		Diff:   diff,
	}

	if err := repo.core.Template().ExecuteTemplate(w, "repo-commit", data); err != nil {
		log.Println(err)
		return
	}
}