chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

routers/common/compare_test.go

@@ -0,0 +1,154 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package common
+
+import (
+	"testing"
+
+	"gitea.dev/modules/util"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCompareRouterReq(t *testing.T) {
+	cases := []struct {
+		input            string
+		CompareRouterReq *CompareRouterReq
+	}{
+		{
+			input:            "",
+			CompareRouterReq: &CompareRouterReq{},
+		},
+		{
+			input: "v1.0...v1.1",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "v1.0",
+				CompareSeparator: "...",
+				HeadOriRef:       "v1.1",
+			},
+		},
+		{
+			input: "main..develop",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				CompareSeparator: "..",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "main^...develop",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				BaseOriRefSuffix: "^",
+				CompareSeparator: "...",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "main^^^^^...develop",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				BaseOriRefSuffix: "^^^^^",
+				CompareSeparator: "...",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "develop",
+			CompareRouterReq: &CompareRouterReq{
+				CompareSeparator: "...",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "teabot:feature1",
+			CompareRouterReq: &CompareRouterReq{
+				CompareSeparator: "...",
+				HeadOwner:        "teabot",
+				HeadOriRef:       "feature1",
+			},
+		},
+		{
+			input: "lunny/forked_repo:develop",
+			CompareRouterReq: &CompareRouterReq{
+				CompareSeparator: "...",
+				HeadOwner:        "lunny",
+				HeadRepoName:     "forked_repo",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "main...lunny/forked_repo:develop",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				CompareSeparator: "...",
+				HeadOwner:        "lunny",
+				HeadRepoName:     "forked_repo",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "main^...lunny/forked_repo:develop",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				BaseOriRefSuffix: "^",
+				CompareSeparator: "...",
+				HeadOwner:        "lunny",
+				HeadRepoName:     "forked_repo",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "main...develop^",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				CompareSeparator: "...",
+				HeadOriRef:       "develop",
+				HeadOriRefSuffix: "^",
+			},
+		},
+		{
+			input: "main~2...develop",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				BaseOriRefSuffix: "~2",
+				CompareSeparator: "...",
+				HeadOriRef:       "develop",
+			},
+		},
+		{
+			input: "main...lunny/forked_repo:develop~3",
+			CompareRouterReq: &CompareRouterReq{
+				BaseOriRef:       "main",
+				CompareSeparator: "...",
+				HeadOwner:        "lunny",
+				HeadRepoName:     "forked_repo",
+				HeadOriRef:       "develop",
+				HeadOriRefSuffix: "~3",
+			},
+		},
+		{
+			input: "develop^",
+			CompareRouterReq: &CompareRouterReq{
+				CompareSeparator: "...",
+				HeadOriRef:       "develop",
+				HeadOriRefSuffix: "^",
+			},
+		},
+	}
+
+	for _, c := range cases {
+		assert.Equal(t, c.CompareRouterReq, ParseCompareRouterParam(c.input), "input: %s", c.input)
+	}
+}
+
+func TestResolveRefWithSuffix(t *testing.T) {
+	// The ^{...}, @{...} and :path forms address non-commit objects or reflog state, so they are
+	// rejected before any repository access and a nil repo is fine here.
+	for _, refSuffix := range []string{"^{/Add}", "^{commit}", "@{upstream}", "~1:path"} {
+		ref, err := ResolveRefWithSuffix(nil, "branch", refSuffix)
+		assert.ErrorIs(t, err, util.ErrInvalidArgument, "suffix %q", refSuffix)
+		assert.Empty(t, ref, "suffix %q", refSuffix)
+	}
+}