feat: Add initial support for http git cloneHEADv0.2.1master

2 files changed, 46 insertions, 1 deletions

diff --git a/pkg/handler/git/handler.go b/pkg/handler/git/handler.go
index a9be54c..61765bb 100644
--- a/pkg/handler/git/handler.go
+++ b/pkg/handler/git/handler.go
@@ -2,6 +2,7 @@ package git
 
 import (
 	"bytes"
+	"compress/gzip"
 	"errors"
 	"fmt"
 	"io"
@@ -115,6 +116,49 @@ func (g *GitHandler) Archive(w http.ResponseWriter, r *http.Request) error {
 	return nil
 }
 
+func (g *GitHandler) Multiplex(w http.ResponseWriter, r *http.Request) error {
+	path := r.PathValue("rest")
+	name := r.PathValue("name")
+
+	if r.URL.RawQuery == "service=git-receive-pack" {
+		ext.BadRequest(w, r, "no pushing allowed")
+		return nil
+	}
+
+	if path == "info/refs" && r.URL.RawQuery == "service=git-upload-pack" && r.Method == "GET" {
+		w.Header().Set("content-type", "application/x-git-upload-pack-advertisement")
+
+		err := g.gitService.WriteInfoRefs(r.Context(), name, w)
+		if err != nil {
+			slog.Error("Error WriteInfoRefs", "error", err)
+		}
+	} else if path == "git-upload-pack" && r.Method == "POST" {
+		w.Header().Set("content-type", "application/x-git-upload-pack-result")
+		w.Header().Set("Connection", "Keep-Alive")
+		w.Header().Set("Transfer-Encoding", "chunked")
+		w.WriteHeader(http.StatusOK)
+
+		reader := r.Body
+
+		if r.Header.Get("Content-Encoding") == "gzip" {
+			reader, err := gzip.NewReader(r.Body)
+			if err != nil {
+				return err
+			}
+			defer reader.Close()
+		}
+
+		err := g.gitService.WriteUploadPack(r.Context(), name, reader, w)
+		if err != nil {
+			slog.Error("Error WriteUploadPack", "error", err)
+		}
+	} else if r.Method == "GET" {
+		return g.Summary(w, r)
+	}
+
+	return nil
+}
+
 func (g *GitHandler) Summary(w http.ResponseWriter, r *http.Request) error {
 	ext.SetHTML(w)
 	name := r.PathValue("name")
diff --git a/pkg/handler/router.go b/pkg/handler/router.go
index e461922..fea8827 100644
--- a/pkg/handler/router.go
+++ b/pkg/handler/router.go
@@ -46,7 +46,8 @@ func MountHandler(
 
 	mux.HandleFunc("/static/{file}", staticHandler)
 	mux.HandleFunc("/{name}/about/{$}", gitHandler.About)
-	mux.HandleFunc("/{name}/", gitHandler.Summary)
+	mux.HandleFunc("/{name}", gitHandler.Multiplex)
+	mux.HandleFunc("/{name}/{rest...}", gitHandler.Multiplex)
 	mux.HandleFunc("/{name}/refs/{$}", gitHandler.Refs)
 	mux.HandleFunc("/{name}/tree/{ref}/{rest...}", gitHandler.Tree)
 	mux.HandleFunc("/{name}/blob/{ref}/{rest...}", gitHandler.Blob)