From e968bf1d19801e15a0664b833cdb10fe933212f6 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Thu, 03 Apr 2025 11:23:49 +0800
Subject: [PATCH] git2d: Accept path from UDS with bare_get_data instead of hardcoding

---
 git2d/main.c | 42 ++++++++++++++++++++++++++++++++++--------

diff --git a/git2d/main.c b/git2d/main.c
index 6fb8b442d021a615f1812eeb59d8a47b048b5469..fe439ca3de333065147607d7f9caaf638d981b9e 100644
--- a/git2d/main.c
+++ b/git2d/main.c
@@ -10,11 +10,24 @@ #include <pthread.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/un.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
+#include "bare.h"
+
+typedef struct {
+	int fd;
+} conn_io_t;
+
+static bare_error
+conn_read(void *buffer, void *dst, uint64_t sz)
+{
+	conn_io_t *io = buffer;
+	ssize_t rsz = read(io->fd, dst, sz);
+	return (rsz == (ssize_t)sz) ? BARE_ERROR_NONE : BARE_ERROR_READ_FAILED;
+}
+
 void *
 session(void *_conn)
 {
@@ -28,12 +41,24 @@
 	int		err;
 	git_repository *repo = NULL;
 
-	git_libgit2_init();
+	char path[4096];
+	conn_io_t io = {.fd = conn};
+	struct bare_reader reader = {
+		.buffer = &io,
+		.read = conn_read,
+	};
 
-	err = git_repository_open_ext(&repo, "/home/runxiyu/Lindenii/forge/test.git", GIT_REPOSITORY_OPEN_NO_SEARCH | GIT_REPOSITORY_OPEN_BARE | GIT_REPOSITORY_OPEN_NO_DOTGIT, NULL);
+	err = bare_get_data(&reader, (uint8_t *)path, sizeof(path) - 1);
+	if (err != BARE_ERROR_NONE) {
+		ret = 10;
+		goto close;
+	}
+	path[sizeof(path) - 1] = '\0';
+
+	err = git_repository_open_ext(&repo, path, GIT_REPOSITORY_OPEN_NO_SEARCH | GIT_REPOSITORY_OPEN_BARE | GIT_REPOSITORY_OPEN_NO_DOTGIT, NULL);
 	if (err != 0) {
 		ret = 1;
-		goto free_libgit2;
+		goto close;
 	}
 
 	git_object     *obj = NULL;
@@ -80,8 +105,6 @@ free_tree:
 	git_tree_free(tree);
 free_repo:
 	git_repository_free(repo);
-free_libgit2:
-	git_libgit2_shutdown();
 
 close:
 	close(conn);
@@ -99,6 +122,8 @@
 int
 main(void)
 {
+	git_libgit2_init();
+
 	int		sock;
 	if ((sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0)) < 0)
 		err(1, "socket");
@@ -129,12 +154,13 @@ 		*conn = accept(sock, 0, 0);
 		if (*conn == -1)
 			err(1, "accept");
 
-		puts("got");
-
 		pthread_t	thread;
 
 		pthread_create(&thread, NULL, session, (void *)conn);
 	}
 
 	close(sock);
+
+	git_libgit2_shutdown();
 }
+

-- 
2.48.1