Optimize branch protection rule loading (#32280)

before if it was nonglob each load would try to glob it and the check
that is not glob ... now we only do that once and no future loading will
trigger it

---
*Sponsored by Kithara Software GmbH*

(cherry picked from commit 5d43801b72790ce5862aefdc4520edb06bb4cbba)

models/git/protected_branch_list_test.go

@@ -0,0 +1,106 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBranchRuleMatchPriority(t *testing.T) {
+	kases := []struct {
+		Rules            []string
+		BranchName       string
+		ExpectedMatchIdx int
+	}{
+		{
+			Rules:            []string{"release/*", "release/v1.17"},
+			BranchName:       "release/v1.17",
+			ExpectedMatchIdx: 1,
+		},
+		{
+			Rules:            []string{"release/v1.17", "release/*"},
+			BranchName:       "release/v1.17",
+			ExpectedMatchIdx: 0,
+		},
+		{
+			Rules:            []string{"release/**/v1.17", "release/test/v1.17"},
+			BranchName:       "release/test/v1.17",
+			ExpectedMatchIdx: 1,
+		},
+		{
+			Rules:            []string{"release/test/v1.17", "release/**/v1.17"},
+			BranchName:       "release/test/v1.17",
+			ExpectedMatchIdx: 0,
+		},
+		{
+			Rules:            []string{"release/**", "release/v1.0.0"},
+			BranchName:       "release/v1.0.0",
+			ExpectedMatchIdx: 1,
+		},
+		{
+			Rules:            []string{"release/v1.0.0", "release/**"},
+			BranchName:       "release/v1.0.0",
+			ExpectedMatchIdx: 0,
+		},
+		{
+			Rules:            []string{"release/**", "release/v1.0.0"},
+			BranchName:       "release/v2.0.0",
+			ExpectedMatchIdx: 0,
+		},
+		{
+			Rules:            []string{"release/*", "release/v1.0.0"},
+			BranchName:       "release/1/v2.0.0",
+			ExpectedMatchIdx: -1,
+		},
+	}
+
+	for _, kase := range kases {
+		var pbs ProtectedBranchRules
+		for _, rule := range kase.Rules {
+			pbs = append(pbs, &ProtectedBranch{RuleName: rule})
+		}
+		pbs.sort()
+		matchedPB := pbs.GetFirstMatched(kase.BranchName)
+		if matchedPB == nil {
+			if kase.ExpectedMatchIdx >= 0 {
+				require.Error(t, fmt.Errorf("no matched rules but expected %s[%d]", kase.Rules[kase.ExpectedMatchIdx], kase.ExpectedMatchIdx))
+			}
+		} else {
+			assert.EqualValues(t, kase.Rules[kase.ExpectedMatchIdx], matchedPB.RuleName)
+		}
+	}
+}
+
+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)
+}