From f86ddd53f03b26403b5575098e24d5df9b4c2a80 Mon Sep 17 00:00:00 2001
From: badhezi <zlilaharon@gmail.com>
Date: Mon, 12 May 2025 16:38:44 +0300
Subject: [PATCH] parse .raw and .diff optional compare parameters

---
 routers/api/packages/api.go |  1 -
 routers/common/compare.go   |  1 +
 routers/web/repo/compare.go | 18 ++++++++++++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/routers/api/packages/api.go b/routers/api/packages/api.go
index ae4ea7ea87..8e8080b622 100644
--- a/routers/api/packages/api.go
+++ b/routers/api/packages/api.go
@@ -685,7 +685,6 @@ func CommonRoutes() *web.Router {
 // https://github.com/opencontainers/distribution-spec/blob/main/spec.md
 func ContainerRoutes() *web.Router {
 	r := web.NewRouter()
-
 	r.Use(context.PackageContexter())
 
 	verifyAuth(r, []auth.Method{
diff --git a/routers/common/compare.go b/routers/common/compare.go
index 4d1cc2f0d8..736f73db0e 100644
--- a/routers/common/compare.go
+++ b/routers/common/compare.go
@@ -18,4 +18,5 @@ type CompareInfo struct {
 	BaseBranch       string
 	HeadBranch       string
 	DirectComparison bool
+	RawDiffType      git.RawDiffType
 }
diff --git a/routers/web/repo/compare.go b/routers/web/repo/compare.go
index 8b99dd95da..12ce37bcef 100644
--- a/routers/web/repo/compare.go
+++ b/routers/web/repo/compare.go
@@ -228,7 +228,19 @@ func ParseCompareInfo(ctx *context.Context) *common.CompareInfo {
 	)
 
 	infoPath = ctx.PathParam("*")
+
 	var infos []string
+
+	// Handle possible suffixes: .diff or .patch
+	if strings.HasSuffix(infoPath, ".diff") {
+		ci.RawDiffType = git.RawDiffNormal
+		infoPath = strings.TrimSuffix(infoPath, ".diff")
+
+	} else if strings.HasSuffix(infoPath, ".patch") {
+		ci.RawDiffType = git.RawDiffPatch
+		infoPath = strings.TrimSuffix(infoPath, ".patch")
+	}
+
 	if infoPath == "" {
 		infos = []string{baseRepo.DefaultBranch, baseRepo.DefaultBranch}
 	} else {
@@ -743,6 +755,12 @@ func CompareDiff(ctx *context.Context) {
 		return
 	}
 
+	if ci.RawDiffType != "" {
+		git.GetRepoRawDiffForFile(ci.HeadGitRepo, ci.BaseBranch, ci.HeadBranch, ci.RawDiffType, "", ctx.Resp)
+		ctx.Resp.Flush()
+		return
+	}
+
 	baseTags, err := repo_model.GetTagNamesByRepoID(ctx, ctx.Repo.Repository.ID)
 	if err != nil {
 		ctx.ServerError("GetTagNamesByRepoID", err)