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/*-
* SPDX-License-Identifier: AGPL-3.0-only
* SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
*/
#include "x.h"
void *
session(void *_conn)
{
int conn = *(int *)_conn;
free((int *)_conn);
int err;
conn_io_t io = {.fd = conn };
struct bare_reader reader = {
.buffer = &io,
.read = conn_read,
};
struct bare_writer writer = {
.buffer = &io,
.write = conn_write,
};
/* Repo path */
char path[4096] = {0};
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) {
bare_put_uint(&writer, 2);
goto free_repo;
}
switch (cmd) {
case 1:
break;
case 0:
bare_put_uint(&writer, 3);
goto free_repo;
default:
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) {
bare_put_uint(&writer, 4);
goto free_repo;
}
git_tree *tree = (git_tree *) obj;
/* README */
git_tree_entry *entry = NULL;
err = git_tree_entry_bypath(&entry, tree, "README.md");
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));
/* Commits */
git_revwalk *walker = NULL;
if (git_revwalk_new(&walker, repo) != 0) {
bare_put_uint(&writer, 9);
goto free_blob;
}
if (git_revwalk_push_head(walker) != 0) {
bare_put_uint(&writer, 9);
goto free_blob;
}
int count = 0;
git_oid oid;
while (count < 3 && git_revwalk_next(&oid, walker) == 0) {
git_commit *commit = NULL;
if (git_commit_lookup(&commit, repo, &oid) != 0)
break;
const char *msg = git_commit_summary(commit);
const git_signature *author = git_commit_author(commit);
/* ID */
bare_put_data(&writer, oid.id, GIT_OID_RAWSZ);
/* Title */
size_t msg_len = msg ? strlen(msg) : 0;
bare_put_data(&writer, (const uint8_t *)(msg ? msg : ""), msg_len);
/* Author's name */
const char *author_name = author ? author->name : "";
bare_put_data(&writer, (const uint8_t *)author_name, strlen(author_name));
/* Author's email */
const char *author_email = author ? author->email : "";
bare_put_data(&writer, (const uint8_t *)author_email, strlen(author_email));
/* Author's date */
/* TODO: Pass the integer instead of a string */
time_t time = git_commit_time(commit);
char timebuf[64];
struct tm *tm = localtime(&time);
if (tm)
strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm);
else
strcpy(timebuf, "unknown");
bare_put_data(&writer, (const uint8_t *)timebuf, strlen(timebuf));
git_commit_free(commit);
count++;
}
git_revwalk_free(walker);
free_blob:
git_blob_free(blob);
free_tree_entry:
git_tree_entry_free(entry);
free_tree:
git_tree_free(tree);
free_repo:
git_repository_free(repo);
close:
close(conn);
return NULL;
}
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