mirror of
https://gitea.quitesimple.org/crtxcr/cgitsb
synced 2024-11-23 12:42:19 +01:00
109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/* cgit.c: cgi for the git scm
|
|
*
|
|
* Copyright (C) 2006 Lars Hjemli
|
|
*
|
|
* Licensed under GNU General Public License v2
|
|
* (see COPYING for full license text)
|
|
*/
|
|
|
|
#include "cgit.h"
|
|
|
|
const char cgit_version[] = CGIT_VERSION;
|
|
|
|
static void cgit_print_repo_page(struct cacheitem *item)
|
|
{
|
|
if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) ||
|
|
cgit_read_config("info/cgit", cgit_repo_config_cb)) {
|
|
char *title = fmt("%s - %s", cgit_root_title, "Bad request");
|
|
cgit_print_docstart(title, item);
|
|
cgit_print_pageheader(title);
|
|
cgit_print_error(fmt("Unable to scan repository: %s",
|
|
strerror(errno)));
|
|
cgit_print_docend();
|
|
return;
|
|
}
|
|
setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1);
|
|
char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
|
|
cgit_print_docstart(title, item);
|
|
cgit_print_pageheader(title);
|
|
if (!cgit_query_page) {
|
|
cgit_print_summary();
|
|
} else if (!strcmp(cgit_query_page, "log")) {
|
|
cgit_print_log(cgit_query_head, 0, 100);
|
|
} else if (!strcmp(cgit_query_page, "tree")) {
|
|
cgit_print_tree(cgit_query_sha1);
|
|
} else if (!strcmp(cgit_query_page, "view")) {
|
|
cgit_print_view(cgit_query_sha1);
|
|
}
|
|
cgit_print_docend();
|
|
}
|
|
|
|
static void cgit_fill_cache(struct cacheitem *item)
|
|
{
|
|
htmlfd = item->fd;
|
|
item->st.st_mtime = time(NULL);
|
|
if (cgit_query_repo)
|
|
cgit_print_repo_page(item);
|
|
else
|
|
cgit_print_repolist(item);
|
|
}
|
|
|
|
static void cgit_check_cache(struct cacheitem *item)
|
|
{
|
|
int i = 0;
|
|
|
|
cache_prepare(item);
|
|
top:
|
|
if (++i > cgit_max_lock_attempts) {
|
|
die("cgit_refresh_cache: unable to lock %s: %s",
|
|
item->name, strerror(errno));
|
|
}
|
|
if (!cache_exist(item)) {
|
|
if (!cache_lock(item)) {
|
|
sleep(1);
|
|
goto top;
|
|
}
|
|
if (!cache_exist(item)) {
|
|
cgit_fill_cache(item);
|
|
cache_unlock(item);
|
|
} else {
|
|
cache_cancel_lock(item);
|
|
}
|
|
} else if (cache_expired(item) && cache_lock(item)) {
|
|
if (cache_expired(item)) {
|
|
cgit_fill_cache(item);
|
|
cache_unlock(item);
|
|
} else {
|
|
cache_cancel_lock(item);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void cgit_print_cache(struct cacheitem *item)
|
|
{
|
|
static char buf[4096];
|
|
ssize_t i;
|
|
|
|
int fd = open(item->name, O_RDONLY);
|
|
if (fd<0)
|
|
die("Unable to open cached file %s", item->name);
|
|
|
|
while((i=read(fd, buf, sizeof(buf))) > 0)
|
|
write(STDOUT_FILENO, buf, i);
|
|
|
|
close(fd);
|
|
}
|
|
|
|
int main(int argc, const char **argv)
|
|
{
|
|
struct cacheitem item;
|
|
|
|
cgit_read_config("/etc/cgitrc", cgit_global_config_cb);
|
|
cgit_querystring = xstrdup(getenv("QUERY_STRING"));
|
|
cgit_parse_query(cgit_querystring, cgit_querystring_cb);
|
|
|
|
cgit_check_cache(&item);
|
|
cgit_print_cache(&item);
|
|
return 0;
|
|
}
|