Convert mirrors to regular repositories.

conf/locale/locale_en-US.ini

 settings.transfer = Transfer Ownership
 settings.transfer_desc = Transfer this repository to another user or to an organization in which you have admin rights.
 settings.new_owner_has_same_repo = The new owner already has a repository with same name. Please choose another name.
+settings.convert = Convert To Regular Repository
+settings.convert_desc = You can convert this mirror to a regular repository. This cannot be reversed.
 settings.delete = Delete This Repository
 settings.delete_desc = Once you delete a repository, there is no going back. Please be certain.
 settings.transfer_notices_1 = - You will lose access if new owner is a individual user.
 settings.transfer_notices_2 = - You will conserve access if new owner is an organization and if you're one of the owners.
 settings.transfer_form_title = Please enter following information to confirm your operation:
+settings.convert_notices_1 = - This operation will convert this repository mirror into a regular repository and cannot be undone.
+settings.convert_succeed = Repository successfully converted.
+settings.convert_failed = Unable to convert repository.
 settings.delete_notices_1 = - This operation <strong>CANNOT</strong> be undone.
 settings.delete_notices_2 = - This operation will permanently delete the everything of this repository, including Git data, issues, comments and accesses of collaborators.
 settings.delete_notices_fork_1 = - If this repository is public, all forks will become independent after deletion.

models/repo.go

 		return repo, UpdateRepository(repo, false)
 	}
 
-	if err = createUpdateHook(repoPath); err != nil {
+	repo, err = FinishMigrateRepository(repo, repoPath)
+	if err != nil {
+		return repo, err
+	}
+
+	return repo, UpdateRepository(repo, false)
+}
+
+// Finish migrating repository with things that don't need to be done for mirrors.
+func FinishMigrateRepository(repo *Repository, repoPath string) (*Repository, error) {
+	if err := createUpdateHook(repoPath); err != nil {
 		return repo, fmt.Errorf("createUpdateHook: %v", err)
 	}
 
 		repo.DefaultBranch = headBranch.Name
 	}
 
-	return repo, UpdateRepository(repo, false)
+	return repo, nil
 }
 
 // initRepoCommit temporarily changes with work directory.

modules/auth/repo_form.go

 	return validate(errs, ctx.Data, f, ctx.Locale)
 }
 
+type ConvertRepoForm struct {
+	Uid         int64  `binding:"Required"`
+	RepoId      int64  `binding:"Required"`
+	RepoName    string `binding:"Required;AlphaDashDot;MaxSize(100)"`
+	Private     bool
+	Description string `binding:"MaxSize(255)"`
+}
+
+func (f *ConvertRepoForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
+	return validate(errs, ctx.Data, f, ctx.Locale)
+}
+
 type MigrateRepoForm struct {
 	CloneAddr    string `json:"clone_addr" binding:"Required"`
 	AuthUsername string `json:"auth_username"`

routers/repo/setting.go

 		ctx.Flash.Success(ctx.Tr("repo.settings.update_settings_success"))
 		ctx.Redirect(ctx.Repo.RepoLink + "/settings")
 
+	case "convert":
+		if repo.Name != form.RepoName {
+			ctx.RenderWithErr(ctx.Tr("form.enterred_invalid_repo_name"), SETTINGS_OPTIONS, nil)
+			return
+		}
+
+		if ctx.Repo.Owner.IsOrganization() {
+			if !ctx.Repo.Owner.IsOwnedBy(ctx.User.Id) {
+				ctx.Error(404)
+				return
+			}
+		}
+
+		repo.IsMirror = false
+
+		if _, err := models.FinishMigrateRepository(repo, models.RepoPath(ctx.Repo.Owner.Name, repo.Name)); err != nil {
+			ctx.RenderWithErr(ctx.Tr("settings.convert.failed"), SETTINGS_OPTIONS, &form)
+			return
+		}
+
+		if 	err := models.UpdateRepository(repo, false); err != nil {
+			ctx.RenderWithErr(ctx.Tr("settings.convert.failed"), SETTINGS_OPTIONS, &form)
+			return
+		}
+		log.Trace("Repository converted: %s/%s", ctx.Repo.Owner.Name, repo.Name)
+		ctx.Flash.Success(ctx.Tr("repo.settings.convert_succeed"))
+		ctx.Redirect(setting.AppSubUrl + "/" + ctx.Repo.Owner.Name + "/" + repo.Name)
+
 	case "transfer":
 		if repo.Name != form.RepoName {
 			ctx.RenderWithErr(ctx.Tr("form.enterred_invalid_repo_name"), SETTINGS_OPTIONS, nil)

templates/repo/settings/options.tmpl

 					{{.i18n.Tr "repo.settings.danger_zone"}}
 				</h4>
 				<div class="ui attached warning table danger segment">
+					{{if .Repository.IsMirror}}
+					<div class="item">
+						<div class="ui right">
+							<button class="ui basic red show-modal button" data-modal="#convert-repo-modal">{{.i18n.Tr "repo.settings.convert"}}</button>
+						</div>
+						<div>
+							<h5>{{.i18n.Tr "repo.settings.convert"}}</h5>
+							<p>{{.i18n.Tr "repo.settings.convert_desc"}}</p>
+						</div>
+					</div>
+
+					<div class="ui divider"></div>
+					{{end}}
 					<div class="item">
 						<div class="ui right">
 							<button class="ui basic red show-modal button" data-modal="#transfer-repo-modal">{{.i18n.Tr "repo.settings.transfer"}}</button>
 	</div>
 </div>
 
+<div class="ui small modal" id="convert-repo-modal">
+	<div class="header">
+		{{.i18n.Tr "repo.settings.convert"}}
+	</div>
+	<div class="content">
+		<div class="ui warning message text left">
+			{{.i18n.Tr "repo.settings.convert_notices_1" | Safe}}
+		</div>
+		<form class="ui form" action="{{.Link}}" method="post">
+			{{.CsrfTokenHtml}}
+			<input type="hidden" name="action" value="convert">
+			<div class="field">
+				<label>
+					{{.i18n.Tr "repo.settings.transfer_form_title"}}
+					<span class="text red">{{.Repository.Name}}</span>
+				</label>
+			</div>
+			<div class="required field">
+				<label for="repo_name">{{.i18n.Tr "repo.repo_name"}}</label>
+				<input id="repo_name" name="repo_name" required>
+			</div>
+
+			<div class="text right actions">
+				<div class="ui cancel button">{{.i18n.Tr "settings.cancel"}}</div>
+				<button class="ui red button">{{.i18n.Tr "repo.settings.confirm_convert"}}</button>
+			</div>
+		</form>
+	</div>
+</div>
+
 <div class="ui small modal" id="transfer-repo-modal">
 	<div class="header">
 		{{.i18n.Tr "repo.settings.transfer"}}
 			{{.i18n.Tr "repo.settings.delete_notices_fork_1" | Safe}} <br>
 			{{.i18n.Tr "repo.settings.delete_notices_fork_2" | Safe}} <br>
 			{{.i18n.Tr "repo.settings.delete_notices_fork_3" | Safe}}
-		{{end}}
-	</div>
-	<form class="ui form" action="{{.Link}}" method="post">
-		{{.CsrfTokenHtml}}
-		<input type="hidden" name="action" value="delete">
-		<div class="field">
-			<label>
-				{{.i18n.Tr "repo.settings.transfer_form_title"}}
-				<span class="text red">{{.Repository.Name}}</span>
-			</label>
-		</div>
-		<div class="required field">
-			<label for="repo_name">{{.i18n.Tr "repo.repo_name"}}</label>
-			<input id="repo_name" name="repo_name" required>
+			{{end}}
 		</div>
+		<form class="ui form" action="{{.Link}}" method="post">
+			{{.CsrfTokenHtml}}
+			<input type="hidden" name="action" value="delete">
+			<div class="field">
+				<label>
+					{{.i18n.Tr "repo.settings.transfer_form_title"}}
+					<span class="text red">{{.Repository.Name}}</span>
+				</label>
+			</div>
+			<div class="required field">
+				<label for="repo_name">{{.i18n.Tr "repo.repo_name"}}</label>
+				<input id="repo_name" name="repo_name" required>
+			</div>
 
-		<div class="text right actions">
-			<div class="ui cancel button">{{.i18n.Tr "settings.cancel"}}</div>
-			<button class="ui red button">{{.i18n.Tr "repo.settings.confirm_delete"}}</button>
-		</div>
-	</form>
-</div>
+			<div class="text right actions">
+				<div class="ui cancel button">{{.i18n.Tr "settings.cancel"}}</div>
+				<button class="ui red button">{{.i18n.Tr "repo.settings.confirm_delete"}}</button>
+			</div>
+		</form>
+	</div>
 </div>
 {{template "base/footer" .}}