1 files changed, 82 insertions, 0 deletions
diff --git a/git2d/main.c b/git2d/main.c
new file mode 100644
index 0000000..9140c1d
--- /dev/null
+++ b/git2d/main.c
@@ -0,0 +1,82 @@
+/*-
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+ */
+
+/*
+ * TODO: Pool repositories (and take care of thread safety)
+ * libgit2 has a nice builtin per-repo cache that we could utilize this way.
+ */
+
+#include "x.h"
+
+int main(int argc, char **argv)
+{
+	if (argc != 2) {
+		errx(1, "provide one argument: the socket path");
+	}
+
+	signal(SIGPIPE, SIG_IGN);
+
+	git_libgit2_init();
+
+	int sock;
+	if ((sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0)) < 0)
+		err(1, "socket");
+
+	struct sockaddr_un addr;
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strcpy(addr.sun_path, argv[1]);
+
+	umask(0077);
+
+	if (bind(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_un))) {
+		if (errno == EADDRINUSE) {
+			unlink(argv[1]);
+			if (bind
+			    (sock, (struct sockaddr *)&addr,
+			     sizeof(struct sockaddr_un)))
+				err(1, "bind");
+		} else {
+			err(1, "bind");
+		}
+	}
+
+	listen(sock, 128);
+
+	pthread_attr_t pthread_attr;
+
+	if (pthread_attr_init(&pthread_attr) != 0)
+		err(1, "pthread_attr_init");
+
+	if (pthread_attr_setdetachstate(&pthread_attr, PTHREAD_CREATE_DETACHED) != 0)
+		err(1, "pthread_attr_setdetachstate");
+
+	for (;;) {
+		int *conn = malloc(sizeof(int));
+		if (conn == NULL) {
+			warn("malloc");
+			continue;
+		}
+
+		*conn = accept(sock, 0, 0);
+		if (*conn == -1) {
+			free(conn);
+			warn("accept");
+			continue;
+		}
+
+		pthread_t thread;
+
+		if (pthread_create (&thread, &pthread_attr, session, (void *)conn) != 0) {
+			close(*conn);
+			free(conn);
+			warn("pthread_create");
+		}
+	}
+
+	close(sock);
+
+	git_libgit2_shutdown();
+}