Optimize branch protection rule loading

models/git/protected_branch.go

@@ -84,14 +84,20 @@ func IsRuleNameSpecial(ruleName string) bool {
 }
 
 func (protectBranch *ProtectedBranch) loadGlob() {
-	if protectBranch.globRule == nil {
-		var err error
-		protectBranch.globRule, err = glob.Compile(protectBranch.RuleName, '/')
-		if err != nil {
-			log.Warn("Invalid glob rule for ProtectedBranch[%d]: %s %v", protectBranch.ID, protectBranch.RuleName, err)
-			protectBranch.globRule = glob.MustCompile(glob.QuoteMeta(protectBranch.RuleName), '/')
-		}
-		protectBranch.isPlainName = !IsRuleNameSpecial(protectBranch.RuleName)
+	if protectBranch.isPlainName || protectBranch.globRule != nil {
+		return
+	}
+	// detect if it is not glob
+	if !IsRuleNameSpecial(protectBranch.RuleName) {
+		protectBranch.isPlainName = true
+		return
+	}
+	// now we load the glob
+	var err error
+	protectBranch.globRule, err = glob.Compile(protectBranch.RuleName, '/')
+	if err != nil {
+		log.Warn("Invalid glob rule for ProtectedBranch[%d]: %s %v", protectBranch.ID, protectBranch.RuleName, err)
+		protectBranch.globRule = glob.MustCompile(glob.QuoteMeta(protectBranch.RuleName), '/')
 	}
 }
 

models/git/protected_banch_list_test.go → models/git/protected_branch_list_test.go

@@ -74,3 +74,32 @@ func TestBranchRuleMatchPriority(t *testing.T) {
 		}
 	}
 }
+
+func TestBranchRuleSort(t *testing.T) {
+	in := []*ProtectedBranch{{
+		RuleName:    "b",
+		CreatedUnix: 1,
+	}, {
+		RuleName:    "b/*",
+		CreatedUnix: 3,
+	}, {
+		RuleName:    "a/*",
+		CreatedUnix: 2,
+	}, {
+		RuleName:    "c",
+		CreatedUnix: 0,
+	}, {
+		RuleName:    "a",
+		CreatedUnix: 4,
+	}}
+	expect := []string{"c", "b", "a", "a/*", "b/*"}
+
+	pbr := ProtectedBranchRules(in)
+	pbr.sort()
+
+	var got []string
+	for i := range pbr {
+		got = append(got, pbr[i].RuleName)
+	}
+	assert.Equal(t, expect, got)
+}