Add setting to set default and global disabled repository units. (#8788)

* Add possibility to global disable repo units.

* Add Default Repo Unit app.ini setting.

* Hide units

* Hide disabled repo units

* Minor fixes

* Indicate disabled units in team settings.

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>

models/repo.go

@@ -128,6 +128,7 @@ func loadRepoConfig() {
 // NewRepoContext creates a new repository context
 func NewRepoContext() {
 	loadRepoConfig()
+	loadUnitConfig()
 
 	RemoveAllWithNotice("Clean up repository temporary data", filepath.Join(setting.AppDataPath, "tmp"))
 }
@@ -393,6 +394,7 @@ func (repo *Repository) getUnits(e Engine) (err error) {
 	}
 
 	repo.Units, err = getUnitsByRepoID(e, repo.ID)
+	log.Trace("repo.Units: %-+v", repo.Units)
 	return err
 }
 
@@ -1442,14 +1444,19 @@ func UpdateRepositoryUpdatedTime(repoID int64, updateTime time.Time) error {
 }
 
 // UpdateRepositoryUnits updates a repository's units
-func UpdateRepositoryUnits(repo *Repository, units []RepoUnit) (err error) {
+func UpdateRepositoryUnits(repo *Repository, units []RepoUnit, deleteUnitTypes []UnitType) (err error) {
 	sess := x.NewSession()
 	defer sess.Close()
 	if err = sess.Begin(); err != nil {
 		return err
 	}
 
-	if _, err = sess.Where("repo_id = ?", repo.ID).Delete(new(RepoUnit)); err != nil {
+	// Delete existing settings of units before adding again
+	for _, u := range units {
+		deleteUnitTypes = append(deleteUnitTypes, u.Type)
+	}
+
+	if _, err = sess.Where("repo_id = ?", repo.ID).In("type", deleteUnitTypes).Delete(new(RepoUnit)); err != nil {
 		return err
 	}