✨ Gitlab support (ossf#2265)

* updated readme to reflect gitlab usage

* bugfixes after a good deal of testing

* removed unnecessary files from branch

* cleaning up my mess

* requested changes + unit tests

* style fixes

* updated readme to reflect gitlab usage

* bugfixes after a good deal of testing

* removed unnecessary files from branch

* cleaning up my mess

* requested changes + unit tests

* style fixes

* merge main into gitlab_support

* check-linter fixes

Signed-off-by: Nathaniel Wert <N8.Wert.B@gmail.com>
Co-authored-by: nathaniel.wert <nathaniel.wert@kudelskisecurity.com>
Signed-off-by: N8BWert <n8.wert.b@gmail.com>
Signed-off-by: nathaniel.wert <nathaniel.wert@kudelskisecurity.com>

clients/gitlabrepo/branches.go

@@ -43,6 +43,7 @@ func (handler *branchesHandler) init(repourl *repoURL) {
 	handler.once = new(sync.Once)
 }
 
+// nolint: nestif
 func (handler *branchesHandler) setup() error {
 	handler.once.Do(func() {
 		if !strings.EqualFold(handler.repourl.commitSHA, clients.HeadSHA) {
@@ -225,10 +226,9 @@ func makeBranchRefFrom(branch *gitlab.Branch, protectedBranch *gitlab.ProtectedB
 	projectApprovalRule *gitlab.ProjectApprovals,
 ) *clients.BranchRef {
 	requiresStatusChecks := newFalse()
-	if projectStatusChecks != nil {
-		if len(projectStatusChecks) > 0 {
-			requiresStatusChecks = newTrue()
-		}
+
+	if len(projectStatusChecks) > 0 {
+		requiresStatusChecks = newTrue()
 	}
 
 	statusChecksRule := clients.StatusChecksRule{

clients/gitlabrepo/client.go

@@ -121,6 +121,7 @@ func (client *Client) InitRepo(inputRepo clients.Repo, commitSHA string) error {
 
 	// Init tarballHandler.
 	client.tarball.init(client.ctx, client.repourl, client.repo, commitSHA)
+
 	return nil
 }
 

clients/gitlabrepo/commits.go

@@ -38,6 +38,7 @@ func (handler *commitsHandler) init(repourl *repoURL) {
 	handler.once = new(sync.Once)
 }
 
+// nolint: gocognit
 func (handler *commitsHandler) setup() error {
 	handler.once.Do(func() {
 		commits, _, err := handler.glClient.Commits.ListCommits(handler.repourl.projectID, &gitlab.ListCommitsOptions{})