From 37fafee9cae576add2371bdcc9fd0f5b5fba5f65 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Sat, 05 Apr 2025 11:20:54 +0800
Subject: [PATCH] git2d: Add some descriptive comments

---
 git2d/session.c | 10 +++++-----

diff --git a/git2d/session.c b/git2d/session.c
index 8cfe8fc0fa6553c4bb5c8c8b374ac4be464c87df..9628a8c5478c17a0aa462812be32c2dbd0284321 100644
--- a/git2d/session.c
+++ b/git2d/session.c
@@ -12,7 +12,6 @@ 	int conn = *(int *)_conn;
 	free((int *)_conn);
 
 	int err;
-	git_repository *repo = NULL;
 
 	char path[4096] = {0};
 	conn_io_t io = {.fd = conn };
@@ -25,18 +24,22 @@ 		.buffer = &io,
 		.write = conn_write,
 	};
 
+	/* Repo path */
 	err = bare_get_data(&reader, (uint8_t *) path, sizeof(path) - 1);
 	if (err != BARE_ERROR_NONE) {
 		goto close;
 	}
 	path[sizeof(path) - 1] = '\0';
 
+	/* Open repo */
+	git_repository *repo = NULL;
 	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) {
 		bare_put_uint(&writer, 1);
 		goto close;
 	}
 
+	/* Command */
 	uint64_t cmd = 0;
 	err = bare_get_uint(&reader, &cmd);
 	if (err != BARE_ERROR_NONE) {
@@ -54,6 +57,7 @@ 		bare_put_uint(&writer, 3);
 		goto free_repo;
 	}
 
+	/* HEAD tree */
 	git_object *obj = NULL;
 	err = git_revparse_single(&obj, repo, "HEAD^{tree}");
 	if (err != 0) {
@@ -70,27 +74,23 @@ 	if (err != 0) {
 		bare_put_uint(&writer, 5);
 		goto free_tree;
 	}
-
 	git_otype objtype = git_tree_entry_type(entry);
 	if (objtype != GIT_OBJECT_BLOB) {
 		bare_put_uint(&writer, 6);
 		goto free_tree_entry;
 	}
-
 	git_object *obj2 = NULL;
 	err = git_tree_entry_to_object(&obj2, repo, entry);
 	if (err != 0) {
 		bare_put_uint(&writer, 7);
 		goto free_tree_entry;
 	}
-
 	git_blob *blob = (git_blob *) obj2;
 	const void *content = git_blob_rawcontent(blob);
 	if (content == NULL) {
 		bare_put_uint(&writer, 8);
 		goto free_blob;
 	}
-
 	bare_put_uint(&writer, 0);
 	bare_put_data(&writer, content, git_blob_rawsize(blob));
 

-- 
2.48.1