summaryrefslogtreecommitdiffabout
path: root/cgit.c
Side-by-side diff
Diffstat (limited to 'cgit.c') (more/less context) (ignore whitespace changes)
-rw-r--r--cgit.c50
1 files changed, 33 insertions, 17 deletions
diff --git a/cgit.c b/cgit.c
index e6b4526..d0f6905 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,243 +1,259 @@
/* 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"
+#include "cmd.h"
static int cgit_prepare_cache(struct cacheitem *item)
{
if (!ctx.repo && ctx.qry.repo) {
- char *title = fmt("%s - %s", ctx.cfg.root_title, "Bad request");
- cgit_print_docstart(title, item);
- cgit_print_pageheader(title, 0);
+ ctx.page.title = fmt("%s - %s", ctx.cfg.root_title,
+ "Bad request");
+ cgit_print_http_headers(&ctx);
+ cgit_print_docstart(&ctx);
+ cgit_print_pageheader(&ctx);
cgit_print_error(fmt("Unknown repo: %s", ctx.qry.repo));
cgit_print_docend();
return 0;
}
if (!ctx.repo) {
item->name = xstrdup(fmt("%s/index.html", ctx.cfg.cache_root));
item->ttl = ctx.cfg.cache_root_ttl;
return 1;
}
if (!cgit_cmd) {
item->name = xstrdup(fmt("%s/%s/index.%s.html", ctx.cfg.cache_root,
cache_safe_filename(ctx.repo->url),
cache_safe_filename(ctx.qry.raw)));
item->ttl = ctx.cfg.cache_repo_ttl;
} else {
item->name = xstrdup(fmt("%s/%s/%s/%s.html", ctx.cfg.cache_root,
cache_safe_filename(ctx.repo->url),
ctx.qry.page,
cache_safe_filename(ctx.qry.raw)));
if (ctx.qry.has_symref)
item->ttl = ctx.cfg.cache_dynamic_ttl;
else if (ctx.qry.has_sha1)
item->ttl = ctx.cfg.cache_static_ttl;
else
item->ttl = ctx.cfg.cache_repo_ttl;
}
return 1;
}
struct refmatch {
char *req_ref;
char *first_ref;
int match;
};
int find_current_ref(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
struct refmatch *info;
info = (struct refmatch *)cb_data;
if (!strcmp(refname, info->req_ref))
info->match = 1;
if (!info->first_ref)
info->first_ref = xstrdup(refname);
return info->match;
}
char *find_default_branch(struct cgit_repo *repo)
{
struct refmatch info;
info.req_ref = repo->defbranch;
info.first_ref = NULL;
info.match = 0;
for_each_branch_ref(find_current_ref, &info);
if (info.match)
return info.req_ref;
else
return info.first_ref;
}
static void cgit_print_repo_page(struct cacheitem *item)
{
- char *title, *tmp;
+ char *tmp;
int show_search;
unsigned char sha1[20];
int nongit = 0;
setenv("GIT_DIR", ctx.repo->path, 1);
setup_git_directory_gently(&nongit);
if (nongit) {
- title = fmt("%s - %s", ctx.cfg.root_title, "config error");
+ ctx.page.title = fmt("%s - %s", ctx.cfg.root_title,
+ "config error");
tmp = fmt("Not a git repository: '%s'", ctx.repo->path);
ctx.repo = NULL;
- cgit_print_docstart(title, item);
- cgit_print_pageheader(title, 0);
+ cgit_print_http_headers(&ctx);
+ cgit_print_docstart(&ctx);
+ cgit_print_pageheader(&ctx);
cgit_print_error(tmp);
cgit_print_docend();
return;
}
- title = fmt("%s - %s", ctx.repo->name, ctx.repo->desc);
+ ctx.page.title = fmt("%s - %s", ctx.repo->name, ctx.repo->desc);
show_search = 0;
if (!ctx.qry.head) {
ctx.qry.head = xstrdup(find_default_branch(ctx.repo));
ctx.repo->defbranch = ctx.qry.head;
}
if (!ctx.qry.head) {
- cgit_print_docstart(title, item);
- cgit_print_pageheader(title, 0);
+ cgit_print_http_headers(&ctx);
+ cgit_print_docstart(&ctx);
+ cgit_print_pageheader(&ctx);
cgit_print_error("Repository seems to be empty");
cgit_print_docend();
return;
}
if (get_sha1(ctx.qry.head, sha1)) {
tmp = xstrdup(ctx.qry.head);
ctx.qry.head = ctx.repo->defbranch;
- cgit_print_docstart(title, item);
- cgit_print_pageheader(title, 0);
+ cgit_print_http_headers(&ctx);
+ cgit_print_docstart(&ctx);
+ cgit_print_pageheader(&ctx);
cgit_print_error(fmt("Invalid branch: %s", tmp));
cgit_print_docend();
return;
}
if ((cgit_cmd == CMD_SNAPSHOT) && ctx.repo->snapshots) {
cgit_print_snapshot(item, ctx.qry.head, ctx.qry.sha1,
cgit_repobasename(ctx.repo->url),
ctx.qry.path,
ctx.repo->snapshots );
return;
}
if (cgit_cmd == CMD_PATCH) {
cgit_print_patch(ctx.qry.sha1, item);
return;
}
if (cgit_cmd == CMD_BLOB) {
cgit_print_blob(item, ctx.qry.sha1, ctx.qry.path);
return;
}
show_search = (cgit_cmd == CMD_LOG);
- cgit_print_docstart(title, item);
+ cgit_print_http_headers(&ctx);
+ cgit_print_docstart(&ctx);
if (!cgit_cmd) {
- cgit_print_pageheader("summary", show_search);
+ cgit_print_pageheader(&ctx);
cgit_print_summary();
cgit_print_docend();
return;
}
- cgit_print_pageheader(ctx.qry.page, show_search);
+ cgit_print_pageheader(&ctx);
switch(cgit_cmd) {
case CMD_LOG:
cgit_print_log(ctx.qry.sha1, ctx.qry.ofs,
ctx.cfg.max_commit_count, ctx.qry.grep, ctx.qry.search,
ctx.qry.path, 1);
break;
case CMD_TREE:
cgit_print_tree(ctx.qry.sha1, ctx.qry.path);
break;
case CMD_COMMIT:
cgit_print_commit(ctx.qry.sha1);
break;
case CMD_REFS:
cgit_print_refs();
break;
case CMD_TAG:
cgit_print_tag(ctx.qry.sha1);
break;
case CMD_DIFF:
cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path);
break;
default:
cgit_print_error("Invalid request");
}
cgit_print_docend();
}
+static long ttl_seconds(long ttl)
+{
+ if (ttl<0)
+ return 60 * 60 * 24 * 365;
+ else
+ return ttl * 60;
+}
+
static void cgit_fill_cache(struct cacheitem *item, int use_cache)
{
int stdout2;
- item->st.st_mtime = time(NULL);
-
if (use_cache) {
stdout2 = chk_positive(dup(STDOUT_FILENO),
"Preserving STDOUT");
chk_zero(close(STDOUT_FILENO), "Closing STDOUT");
chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)");
}
+ ctx.page.modified = time(NULL);
+ ctx.page.expires = ctx.page.modified + ttl_seconds(item->ttl);
if (ctx.repo)
cgit_print_repo_page(item);
else
cgit_print_repolist(item);
if (use_cache) {
chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT");
chk_positive(dup2(stdout2, STDOUT_FILENO),
"Restoring original STDOUT");
chk_zero(close(stdout2), "Closing temporary STDOUT");
}
}
static void cgit_check_cache(struct cacheitem *item)
{
int i = 0;
top:
if (++i > ctx.cfg.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, 1);
cache_unlock(item);
} else {
cache_cancel_lock(item);
}
} else if (cache_expired(item) && cache_lock(item)) {
if (cache_expired(item)) {
cgit_fill_cache(item, 1);
cache_unlock(item);
} else {
cache_cancel_lock(item);
}
}
}
static void cgit_print_cache(struct cacheitem *item)
{
static char buf[4096];
ssize_t i;