[PATCH] http-backend: respect GIT_NAMESPACE with dumb clients

[John Koleszar <jkoleszar@google.com>]

Filter the list of refs returned via the dumb HTTP protocol according
to the active namespace, consistent with other clients of the
upload-pack service.

Signed-off-by: John Koleszar <jkoleszar@google.com>
---
 http-backend.c          |  8 +++++---
 t/lib-httpd/apache.conf |  5 +++++
 t/t5561-http-backend.sh |  4 ++++
 t/t556x_common          | 16 ++++++++++++++++
 4 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/http-backend.c b/http-backend.c
index f50e77f..b9896b0 100644
--- a/http-backend.c
+++ b/http-backend.c
@@ -361,17 +361,19 @@ static void run_service(const char **argv)
 static int show_text_ref(const char *name, const unsigned char *sha1,
 	int flag, void *cb_data)
 {
+	const char *name_nons = strip_namespace(name);
 	struct strbuf *buf = cb_data;
 	struct object *o = parse_object(sha1);
 	if (!o)
 		return 0;
 
-	strbuf_addf(buf, "%s\t%s\n", sha1_to_hex(sha1), name);
+	strbuf_addf(buf, "%s\t%s\n", sha1_to_hex(sha1), name_nons);
 	if (o->type == OBJ_TAG) {
 		o = deref_tag(o, name, 0);
 		if (!o)
 			return 0;
-		strbuf_addf(buf, "%s\t%s^{}\n", sha1_to_hex(o->sha1), name);
+		strbuf_addf(buf, "%s\t%s^{}\n", sha1_to_hex(o->sha1),
+		            name_nons);
 	}
 	return 0;
 }
@@ -402,7 +404,7 @@ static void get_info_refs(char *arg)
 
 	} else {
 		select_getanyfile();
-		for_each_ref(show_text_ref, &buf);
+		for_each_namespaced_ref(show_text_ref, &buf);
 		send_strbuf("text/plain", &buf);
 	}
 	strbuf_release(&buf);
diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index 938b4cf..ad85537 100644
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -61,6 +61,11 @@ Alias /auth/dumb/ www/auth/dumb/
 	SetEnv GIT_COMMITTER_NAME "Custom User"
 	SetEnv GIT_COMMITTER_EMAIL custom@example.com
 </LocationMatch>
+<LocationMatch /smart_namespace/>
+	SetEnv GIT_EXEC_PATH ${GIT_EXEC_PATH}
+	SetEnv GIT_HTTP_EXPORT_ALL
+	SetEnv GIT_NAMESPACE ns
+</LocationMatch>
 ScriptAliasMatch /smart_*[^/]*/(.*) ${GIT_EXEC_PATH}/git-http-backend/$1
 ScriptAlias /broken_smart/ broken-smart-http.sh/
 <Directory ${GIT_EXEC_PATH}>
diff --git a/t/t5561-http-backend.sh b/t/t5561-http-backend.sh
index b5d7fbc..5a19d61 100755
--- a/t/t5561-http-backend.sh
+++ b/t/t5561-http-backend.sh
@@ -134,6 +134,10 @@ POST /smart/repo.git/git-receive-pack HTTP/1.1 200 -
 ###
 GET  /smart/repo.git/info/refs?service=git-receive-pack HTTP/1.1 403 -
 POST /smart/repo.git/git-receive-pack HTTP/1.1 403 -
+
+###  namespace test
+###
+GET  /smart_namespace/repo.git/info/refs HTTP/1.1 200
 EOF
 test_expect_success 'server request log matches test results' '
 	sed -e "
diff --git a/t/t556x_common b/t/t556x_common
index 82926cf..cb9eb9d 100755
--- a/t/t556x_common
+++ b/t/t556x_common
@@ -120,3 +120,19 @@ test_expect_success 'http.receivepack false' '
 	GET info/refs?service=git-receive-pack "403 Forbidden" &&
 	POST git-receive-pack 0000 "403 Forbidden"
 '
+test_expect_success 'backend respects namespaces' '
+	log_div "namespace test"
+	config http.uploadpack true &&
+	config http.getanyfile true &&
+
+	GIT_NAMESPACE=ns && export GIT_NAMESPACE &&
+	git push public master:master &&
+	(cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
+		git for-each-ref | grep /$GIT_NAMESPACE/ >/dev/null
+	) &&
+
+	git ls-remote public >exp &&  
+	curl "$HTTPD_URL/smart_namespace/repo.git/info/refs" >act &&
+	test_cmp exp act &&
+	(grep /ns/ exp && false || true)
+'
-- 
1.8.1.3