aboutsummaryrefslogtreecommitdiff
path: root/modules/repository/init.go
blob: 771b68a4916f8e255c7ce4fc9297b5be466675fa (plain)
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package repository

import (
	"bytes"
	"context"
	"fmt"
	"os"
	"path"
	"path/filepath"
	"sort"
	"strings"
	"time"

	issues_model "code.gitea.io/gitea/models/issues"
	repo_model "code.gitea.io/gitea/models/repo"
	user_model "code.gitea.io/gitea/models/user"
	"code.gitea.io/gitea/modules/git"
	"code.gitea.io/gitea/modules/log"
	"code.gitea.io/gitea/modules/options"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/modules/templates/vars"
	"code.gitea.io/gitea/modules/util"
	asymkey_service "code.gitea.io/gitea/services/asymkey"
)

var (
	// Gitignores contains the gitiginore files
	Gitignores []string

	// Licenses contains the license files
	Licenses []string

	// Readmes contains the readme files
	Readmes []string

	// LabelTemplates contains the label template files and the list of labels for each file
	LabelTemplates map[string]string
)

// ErrIssueLabelTemplateLoad represents a "ErrIssueLabelTemplateLoad" kind of error.
type ErrIssueLabelTemplateLoad struct {
	TemplateFile  string
	OriginalError error
}

// IsErrIssueLabelTemplateLoad checks if an error is a ErrIssueLabelTemplateLoad.
func IsErrIssueLabelTemplateLoad(err error) bool {
	_, ok := err.(ErrIssueLabelTemplateLoad)
	return ok
}

func (err ErrIssueLabelTemplateLoad) Error() string {
	return fmt.Sprintf("Failed to load label template file '%s': %v", err.TemplateFile, err.OriginalError)
}

// GetRepoInitFile returns repository init files
func GetRepoInitFile(tp, name string) ([]byte, error) {
	cleanedName := strings.TrimLeft(path.Clean("/"+name), "/")
	relPath := path.Join("options", tp, cleanedName)

	// Use custom file when available.
	customPath := path.Join(setting.CustomPath, relPath)
	isFile, err := util.IsFile(customPath)
	if err != nil {
		log.Error("Unable to check if %s is a file. Error: %v", customPath, err)
	}
	if isFile {
		return os.ReadFile(customPath)
	}

	switch tp {
	case "readme":
		return options.Readme(cleanedName)
	case "gitignore":
		return options.Gitignore(cleanedName)
	case "license":
		return options.License(cleanedName)
	case "label":
		return options.Labels(cleanedName)
	default:
		return []byte{}, fmt.Errorf("Invalid init file type")
	}
}

// GetLabelTemplateFile loads the label template file by given name,
// then parses and returns a list of name-color pairs and optionally description.
func GetLabelTemplateFile(name string) ([][3]string, error) {
	data, err := GetRepoInitFile("label", name)
	if err != nil {
		return nil, ErrIssueLabelTemplateLoad{name, fmt.Errorf("GetRepoInitFile: %w", err)}
	}

	lines := strings.Split(string(data), "\n")
	list := make([][3]string, 0, len(lines))
	for i := 0; i < len(lines); i++ {
		line := strings.TrimSpace(lines[i])
		if len(line) == 0 {
			continue
		}

		parts := strings.SplitN(line, ";", 2)

		fields := strings.SplitN(parts[0], " ", 2)
		if len(fields) != 2 {
			return nil, ErrIssueLabelTemplateLoad{name, fmt.Errorf("line is malformed: %s", line)}
		}

		color := strings.Trim(fields[0], " ")
		if len(color) == 6 {
			color = "#" + color
		}
		if !issues_model.LabelColorPattern.MatchString(color) {
			return nil, ErrIssueLabelTemplateLoad{name, fmt.Errorf("bad HTML color code in line: %s", line)}
		}

		var description string

		if len(parts) > 1 {
			description = strings.TrimSpace(parts[1])
		}

		fields[1] = strings.TrimSpace(fields[1])
		list = append(list, [3]string{fields[1], color, description})
	}

	return list, nil
}

func loadLabels(labelTemplate string) ([]string, error) {
	list, err := GetLabelTemplateFile(labelTemplate)
	if err != nil {
		return nil, err
	}

	labels := make([]string, len(list))
	for i := 0; i < len(list); i++ {
		labels[i] = list[i][0]
	}
	return labels, nil
}

// LoadLabelsFormatted loads the labels' list of a template file as a string separated by comma
func LoadLabelsFormatted(labelTemplate string) (string, error) {
	labels, err := loadLabels(labelTemplate)
	return strings.Join(labels, ", "), err
}

// LoadRepoConfig loads the repository config
func LoadRepoConfig() {
	// Load .gitignore and license files and readme templates.
	types := []string{"gitignore", "license", "readme", "label"}
	typeFiles := make([][]string, 4)
	for i, t := range types {
		files, err := options.Dir(t)
		if err != nil {
			log.Fatal("Failed to get %s files: %v", t, err)
		}
		customPath := path.Join(setting.CustomPath, "options", t)
		isDir, err := util.IsDir(customPath)
		if err != nil {
			log.Fatal("Failed to get custom %s files: %v", t, err)
		}
		if isDir {
			customFiles, err := util.StatDir(customPath)
			if err != nil {
				log.Fatal("Failed to get custom %s files: %v", t, err)
			}

			for _, f := range customFiles {
				if !util.SliceContainsString(files, f, true) {
					files = append(files, f)
				}
			}
		}
		typeFiles[i] = files
	}

	Gitignores = typeFiles[0]
	Licenses = typeFiles[1]
	Readmes = typeFiles[2]
	LabelTemplatesFiles := typeFiles[3]
	sort.Strings(Gitignores)
	sort.Strings(Licenses)
	sort.Strings(Readmes)
	sort.Strings(LabelTemplatesFiles)

	// Load label templates
	LabelTemplates = make(map[string]string)
	for _, templateFile := range LabelTemplatesFiles {
		labels, err := LoadLabelsFormatted(templateFile)
		if err != nil {
			log.Error("Failed to load labels: %v", err)
		}
		LabelTemplates[templateFile] = labels
	}

	// Filter out invalid names and promote preferred licenses.
	sortedLicenses := make([]string, 0, len(Licenses))
	for _, name := range setting.Repository.PreferredLicenses {
		if util.SliceContainsString(Licenses, name, true) {
			sortedLicenses = append(sortedLicenses, name)
		}
	}
	for _, name := range Licenses {
		if !util.SliceContainsString(setting.Repository.PreferredLicenses, name, true) {
			sortedLicenses = append(sortedLicenses, name)
		}
	}
	Licenses = sortedLicenses
}

func prepareRepoCommit(ctx context.Context, repo *repo_model.Repository, tmpDir, repoPath string, opts CreateRepoOptions) error {
	commitTimeStr := time.Now().Format(time.RFC3339)
	authorSig := repo.Owner.NewGitSig()

	// Because this may call hooks we should pass in the environment
	env := append(os.Environ(),
		"GIT_AUTHOR_NAME="+authorSig.Name,
		"GIT_AUTHOR_EMAIL="+authorSig.Email,
		"GIT_AUTHOR_DATE="+commitTimeStr,
		"GIT_COMMITTER_NAME="+authorSig.Name,
		"GIT_COMMITTER_EMAIL="+authorSig.Email,
		"GIT_COMMITTER_DATE="+commitTimeStr,
	)

	// Clone to temporary path and do the init commit.
	if stdout, _, err := git.NewCommand(ctx, "clone").AddDynamicArguments(repoPath, tmpDir).
		SetDescription(fmt.Sprintf("prepareRepoCommit (git clone): %s to %s", repoPath, tmpDir)).
		RunStdString(&git.RunOpts{Dir: "", Env: env}); err != nil {
		log.Error("Failed to clone from %v into %s: stdout: %s\nError: %v", repo, tmpDir, stdout, err)
		return fmt.Errorf("git clone: %w", err)
	}

	// README
	data, err := GetRepoInitFile("readme", opts.Readme)
	if err != nil {
		return fmt.Errorf("GetRepoInitFile[%s]: %w", opts.Readme, err)
	}

	cloneLink := repo.CloneLink()
	match := map[string]string{
		"Name":           repo.Name,
		"Description":    repo.Description,
		"CloneURL.SSH":   cloneLink.SSH,
		"CloneURL.HTTPS": cloneLink.HTTPS,
		"OwnerName":      repo.OwnerName,
	}
	res, err := vars.Expand(string(data), match)
	if err != nil {
		// here we could just log the error and continue the rendering
		log.Error("unable to expand template vars for repo README: %s, err: %v", opts.Readme, err)
	}
	if err = os.WriteFile(filepath.Join(tmpDir, "README.md"),
		[]byte(res), 0o644); err != nil {
		return fmt.Errorf("write README.md: %w", err)
	}

	// .gitignore
	if len(opts.Gitignores) > 0 {
		var buf bytes.Buffer
		names := strings.Split(opts.Gitignores, ",")
		for _, name := range names {
			data, err = GetRepoInitFile("gitignore", name)
			if err != nil {
				return fmt.Errorf("GetRepoInitFile[%s]: %w", name, err)
			}
			buf.WriteString("# ---> " + name + "\n")
			buf.Write(data)
			buf.WriteString("\n")
		}

		if buf.Len() > 0 {
			if err = os.WriteFile(filepath.Join(tmpDir, ".gitignore"), buf.Bytes(), 0o644); err != nil {
				return fmt.Errorf("write .gitignore: %w", err)
			}
		}
	}

	// LICENSE
	if len(opts.License) > 0 {
		data, err = GetRepoInitFile("license", opts.License)
		if err != nil {
			return fmt.Errorf("GetRepoInitFile[%s]: %w", opts.License, err)
		}

		if err = os.WriteFile(filepath.Join(tmpDir, "LICENSE"), data, 0o644); err != nil {
			return fmt.Errorf("write LICENSE: %w", err)
		}
	}

	return nil
}

// initRepoCommit temporarily changes with work directory.
func initRepoCommit(ctx context.Context, tmpPath string, repo *repo_model.Repository, u *user_model.User, defaultBranch string) (err error) {
	commitTimeStr := time.Now().Format(time.RFC3339)

	sig := u.NewGitSig()
	// Because this may call hooks we should pass in the environment
	env := append(os.Environ(),
		"GIT_AUTHOR_NAME="+sig.Name,
		"GIT_AUTHOR_EMAIL="+sig.Email,
		"GIT_AUTHOR_DATE="+commitTimeStr,
		"GIT_COMMITTER_DATE="+commitTimeStr,
	)
	committerName := sig.Name
	committerEmail := sig.Email

	if stdout, _, err := git.NewCommand(ctx, "add", "--all").
		SetDescription(fmt.Sprintf("initRepoCommit (git add): %s", tmpPath)).
		RunStdString(&git.RunOpts{Dir: tmpPath}); err != nil {
		log.Error("git add --all failed: Stdout: %s\nError: %v", stdout, err)
		return fmt.Errorf("git add --all: %w", err)
	}

	cmd := git.NewCommand(ctx, "commit", "--message=Initial commit").
		AddOptionFormat("--author='%s <%s>'", sig.Name, sig.Email)

	sign, keyID, signer, _ := asymkey_service.SignInitialCommit(ctx, tmpPath, u)
	if sign {
		cmd.AddOptionFormat("-S%s", keyID)

		if repo.GetTrustModel() == repo_model.CommitterTrustModel || repo.GetTrustModel() == repo_model.CollaboratorCommitterTrustModel {
			// need to set the committer to the KeyID owner
			committerName = signer.Name
			committerEmail = signer.Email
		}
	} else {
		cmd.AddArguments("--no-gpg-sign")
	}

	env = append(env,
		"GIT_COMMITTER_NAME="+committerName,
		"GIT_COMMITTER_EMAIL="+committerEmail,
	)

	if stdout, _, err := cmd.
		SetDescription(fmt.Sprintf("initRepoCommit (git commit): %s", tmpPath)).
		RunStdString(&git.RunOpts{Dir: tmpPath, Env: env}); err != nil {
		log.Error("Failed to commit: %v: Stdout: %s\nError: %v", cmd.String(), stdout, err)
		return fmt.Errorf("git commit: %w", err)
	}

	if len(defaultBranch) == 0 {
		defaultBranch = setting.Repository.DefaultBranch
	}

	if stdout, _, err := git.NewCommand(ctx, "push", "origin").AddDynamicArguments("HEAD:" + defaultBranch).
		SetDescription(fmt.Sprintf("initRepoCommit (git push): %s", tmpPath)).
		RunStdString(&git.RunOpts{Dir: tmpPath, Env: InternalPushingEnvironment(u, repo)}); err != nil {
		log.Error("Failed to push back to HEAD: Stdout: %s\nError: %v", stdout, err)
		return fmt.Errorf("git push: %w", err)
	}

	return nil
}

func checkInitRepository(ctx context.Context, owner, name string) (err error) {
	// Somehow the directory could exist.
	repoPath := repo_model.RepoPath(owner, name)
	isExist, err := util.IsExist(repoPath)
	if err != nil {
		log.Error("Unable to check if %s exists. Error: %v", repoPath, err)
		return err
	}
	if isExist {
		return repo_model.ErrRepoFilesAlreadyExist{
			Uname: owner,
			Name:  name,
		}
	}

	// Init git bare new repository.
	if err = git.InitRepository(ctx, repoPath, true); err != nil {
		return fmt.Errorf("git.InitRepository: %w", err)
	} else if err = createDelegateHooks(repoPath); err != nil {
		return fmt.Errorf("createDelegateHooks: %w", err)
	}
	return nil
}

// InitRepository initializes README and .gitignore if needed.
func initRepository(ctx context.Context, repoPath string, u *user_model.User, repo *repo_model.Repository, opts CreateRepoOptions) (err error) {
	if err = checkInitRepository(ctx, repo.OwnerName, repo.Name); err != nil {
		return err
	}

	// Initialize repository according to user's choice.
	if opts.AutoInit {
		tmpDir, err := os.MkdirTemp(os.TempDir(), "gitea-"+repo.Name)
		if err != nil {
			return fmt.Errorf("Failed to create temp dir for repository %s: %w", repo.RepoPath(), err)
		}
		defer func() {
			if err := util.RemoveAll(tmpDir); err != nil {
				log.Warn("Unable to remove temporary directory: %s: Error: %v", tmpDir, err)
			}
		}()

		if err = prepareRepoCommit(ctx, repo, tmpDir, repoPath, opts); err != nil {
			return fmt.Errorf("prepareRepoCommit: %w", err)
		}

		// Apply changes and commit.
		if err = initRepoCommit(ctx, tmpDir, repo, u, opts.DefaultBranch); err != nil {
			return fmt.Errorf("initRepoCommit: %w", err)
		}
	}

	// Re-fetch the repository from database before updating it (else it would
	// override changes that were done earlier with sql)
	if repo, err = repo_model.GetRepositoryByID(ctx, repo.ID); err != nil {
		return fmt.Errorf("getRepositoryByID: %w", err)
	}

	if !opts.AutoInit {
		repo.IsEmpty = true
	}

	repo.DefaultBranch = setting.Repository.DefaultBranch

	if len(opts.DefaultBranch) > 0 {
		repo.DefaultBranch = opts.DefaultBranch
		gitRepo, err := git.OpenRepository(ctx, repo.RepoPath())
		if err != nil {
			return fmt.Errorf("openRepository: %w", err)
		}
		defer gitRepo.Close()
		if err = gitRepo.SetDefaultBranch(repo.DefaultBranch); err != nil {
			return fmt.Errorf("setDefaultBranch: %w", err)
		}
	}

	if err = UpdateRepository(ctx, repo, false); err != nil {
		return fmt.Errorf("updateRepository: %w", err)
	}

	return nil
}

// InitializeLabels adds a label set to a repository using a template
func InitializeLabels(ctx context.Context, id int64, labelTemplate string, isOrg bool) error {
	list, err := GetLabelTemplateFile(labelTemplate)
	if err != nil {
		return err
	}

	labels := make([]*issues_model.Label, len(list))
	for i := 0; i < len(list); i++ {
		labels[i] = &issues_model.Label{
			Name:        list[i][0],
			Description: list[i][2],
			Color:       list[i][1],
		}
		if isOrg {
			labels[i].OrgID = id
		} else {
			labels[i].RepoID = id
		}
	}
	for _, label := range labels {
		if err = issues_model.NewLabel(ctx, label); err != nil {
			return err
		}
	}
	return nil
}