1 files changed, 182 insertions, 0 deletions
diff --git a/modules/repository/init.go b/modules/repository/init.go
new file mode 100644
index 00000000..5f500c52
--- /dev/null
+++ b/modules/repository/init.go
@@ -0,0 +1,182 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repository
+
+import (
+	"context"
+	"fmt"
+	"path/filepath"
+	"sort"
+	"strings"
+
+	issues_model "code.gitea.io/gitea/models/issues"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/label"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/options"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
+)
+
+type OptionFile struct {
+	DisplayName string
+	Description string
+}
+
+var (
+	// Gitignores contains the gitiginore files
+	Gitignores []string
+
+	// Licenses contains the license files
+	Licenses []string
+
+	// Readmes contains the readme files
+	Readmes []string
+
+	// LabelTemplateFiles contains the label template files, each item has its DisplayName and Description
+	LabelTemplateFiles   []OptionFile
+	labelTemplateFileMap = map[string]string{} // DisplayName => FileName mapping
+)
+
+type optionFileList struct {
+	all    []string // all files provided by bindata & custom-path. Sorted.
+	custom []string // custom files provided by custom-path. Non-sorted, internal use only.
+}
+
+// mergeCustomLabelFiles merges the custom label files. Always use the file's main name (DisplayName) as the key to de-duplicate.
+func mergeCustomLabelFiles(fl optionFileList) []string {
+	exts := map[string]int{"": 0, ".yml": 1, ".yaml": 2} // "yaml" file has the highest priority to be used.
+
+	m := map[string]string{}
+	merge := func(list []string) {
+		sort.Slice(list, func(i, j int) bool { return exts[filepath.Ext(list[i])] < exts[filepath.Ext(list[j])] })
+		for _, f := range list {
+			m[strings.TrimSuffix(f, filepath.Ext(f))] = f
+		}
+	}
+	merge(fl.all)
+	merge(fl.custom)
+
+	files := make([]string, 0, len(m))
+	for _, f := range m {
+		files = append(files, f)
+	}
+	sort.Strings(files)
+	return files
+}
+
+// LoadRepoConfig loads the repository config
+func LoadRepoConfig() error {
+	types := []string{"gitignore", "license", "readme", "label"} // option file directories
+	typeFiles := make([]optionFileList, len(types))
+	for i, t := range types {
+		var err error
+		if typeFiles[i].all, err = options.AssetFS().ListFiles(t, true); err != nil {
+			return fmt.Errorf("failed to list %s files: %w", t, err)
+		}
+		sort.Strings(typeFiles[i].all)
+		customPath := filepath.Join(setting.CustomPath, "options", t)
+		if isDir, err := util.IsDir(customPath); err != nil {
+			return fmt.Errorf("failed to check custom %s dir: %w", t, err)
+		} else if isDir {
+			if typeFiles[i].custom, err = util.StatDir(customPath); err != nil {
+				return fmt.Errorf("failed to list custom %s files: %w", t, err)
+			}
+		}
+	}
+
+	Gitignores = typeFiles[0].all
+	Licenses = typeFiles[1].all
+	Readmes = typeFiles[2].all
+
+	// Load label templates
+	LabelTemplateFiles = nil
+	labelTemplateFileMap = map[string]string{}
+	for _, file := range mergeCustomLabelFiles(typeFiles[3]) {
+		description, err := label.LoadTemplateDescription(file)
+		if err != nil {
+			return fmt.Errorf("failed to load labels: %w", err)
+		}
+		displayName := strings.TrimSuffix(file, filepath.Ext(file))
+		labelTemplateFileMap[displayName] = file
+		LabelTemplateFiles = append(LabelTemplateFiles, OptionFile{DisplayName: displayName, Description: description})
+	}
+
+	// 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
+	return nil
+}
+
+func CheckInitRepository(ctx context.Context, owner, name, objectFormatName 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, objectFormatName); err != nil {
+		return fmt.Errorf("git.InitRepository: %w", err)
+	} else if err = CreateDelegateHooks(repoPath); err != nil {
+		return fmt.Errorf("createDelegateHooks: %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 := LoadTemplateLabelsByDisplayName(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].Name,
+			Exclusive:   list[i].Exclusive,
+			Description: list[i].Description,
+			Color:       list[i].Color,
+		}
+		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
+}
+
+// LoadTemplateLabelsByDisplayName loads a label template by its display name
+func LoadTemplateLabelsByDisplayName(displayName string) ([]*label.Label, error) {
+	if fileName, ok := labelTemplateFileMap[displayName]; ok {
+		return label.LoadTemplateFile(fileName)
+	}
+	return nil, label.ErrTemplateLoad{TemplateFile: displayName, OriginalError: fmt.Errorf("label template %q not found", displayName)}
+}