Move cache_prepare() to cgit

This moves some cgit-specific stuff away from cache.c

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

3 files changed, 23 insertions, 25 deletions

diff --git a/cache.c b/cache.c
index 91b89a6..1ff1251 100644
--- a/cache.c
+++ b/cache.c
@@ -1,50 +1,28 @@
 /* cache.c: cache management
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
 const int NOLOCK = -1;
 
-void cache_prepare(struct cacheitem *item)
-{
-        if (!cgit_query_repo) {
-                item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
-                item->ttl = cgit_cache_root_ttl;
-        } else if (!cgit_query_page) {
-                item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, 
-                           cgit_query_repo));
-                item->ttl = cgit_cache_repo_ttl;
-        } else {
-                item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, 
-                           cgit_query_repo, cgit_query_page, 
-                           cgit_querystring));
-                if (cgit_query_has_symref)
-                        item->ttl = cgit_cache_dynamic_ttl;
-                else if (cgit_query_has_sha1)
-                        item->ttl = cgit_cache_static_ttl;
-                else
-                        item->ttl = cgit_cache_repo_ttl;
-        }
-}
-
 int cache_exist(struct cacheitem *item)
 {
         if (stat(item->name, &item->st)) {
                 item->st.st_mtime = 0;
                 return 0;
         }
         return 1;
 }
 
 int cache_create_dirs()
 {
         char *path;
 
         path = fmt("%s", cgit_cache_root);
         if (mkdir(path, S_IRWXU) && errno!=EEXIST)
                 return 0;
diff --git a/cgit.c b/cgit.c
index 5dcba76..d975570 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,28 +1,50 @@
 /* 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_prepare_cache(struct cacheitem *item)
+{
+        if (!cgit_query_repo) {
+                item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
+                item->ttl = cgit_cache_root_ttl;
+        } else if (!cgit_query_page) {
+                item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, 
+                           cgit_query_repo));
+                item->ttl = cgit_cache_repo_ttl;
+        } else {
+                item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, 
+                           cgit_query_repo, cgit_query_page, 
+                           cgit_querystring));
+                if (cgit_query_has_symref)
+                        item->ttl = cgit_cache_dynamic_ttl;
+                else if (cgit_query_has_sha1)
+                        item->ttl = cgit_cache_static_ttl;
+                else
+                        item->ttl = cgit_cache_repo_ttl;
+        }
+}
+
 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, 0);
                 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);
         int show_search = 0;
         if (cgit_query_page && !strcmp(cgit_query_page, "log"))
@@ -50,33 +72,32 @@ static void cgit_fill_cache(struct cacheitem *item)
         static char buf[PATH_MAX];
 
         getcwd(buf, sizeof(buf));
         htmlfd = item->fd;
         item->st.st_mtime = time(NULL);
         if (cgit_query_repo)
                 cgit_print_repo_page(item);
         else
                 cgit_print_repolist(item);
         chdir(buf);
 }
 
 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);
                 }
@@ -139,26 +160,26 @@ static void cgit_parse_args(int argc, const char **argv)
                 if (!strncmp(argv[i], "--ofs=", 6)) {
                         cgit_query_ofs = atoi(argv[i]+6);
                 }
         }
 }
 
 int main(int argc, const char **argv)
 {
         struct cacheitem item;
 
         cgit_read_config("/etc/cgitrc", cgit_global_config_cb);
         if (getenv("QUERY_STRING"))
                 cgit_querystring = xstrdup(getenv("QUERY_STRING"));
         cgit_parse_args(argc, argv);
         cgit_parse_query(cgit_querystring, cgit_querystring_cb);
 
+        cgit_prepare_cache(&item);
         if (cgit_nocache) {
-                cache_prepare(&item);
                 item.fd = STDOUT_FILENO;
                 cgit_fill_cache(&item);
         } else {
                 cgit_check_cache(&item);
                 cgit_print_cache(&item);
         }
         return 0;
 }
diff --git a/cgit.h b/cgit.h
index eb8f08c..f915c86 100644
--- a/cgit.h
+++ b/cgit.h
@@ -74,33 +74,32 @@ extern void *cgit_free_commitinfo(struct commitinfo *info);
 extern char *fmt(const char *format,...);
 
 extern void html(const char *txt);
 extern void htmlf(const char *format,...);
 extern void html_txt(char *txt);
 extern void html_ntxt(int len, char *txt);
 extern void html_attr(char *txt);
 extern void html_hidden(char *name, char *value);
 extern void html_link_open(char *url, char *title, char *class);
 extern void html_link_close(void);
 extern void html_filemode(unsigned short mode);
 
 extern int cgit_read_config(const char *filename, configfn fn);
 extern int cgit_parse_query(char *txt, configfn fn);
 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
 
-extern void cache_prepare(struct cacheitem *item);
 extern int cache_lock(struct cacheitem *item);
 extern int cache_unlock(struct cacheitem *item);
 extern int cache_cancel_lock(struct cacheitem *item);
 extern int cache_exist(struct cacheitem *item);
 extern int cache_expired(struct cacheitem *item);
 
 extern char *cgit_repourl(const char *reponame);
 extern char *cgit_pageurl(const char *reponame, const char *pagename, 
                           const char *query);
 
 extern void cgit_print_error(char *msg);
 extern void cgit_print_date(unsigned long secs);
 extern void cgit_print_docstart(char *title, struct cacheitem *item);
 extern void cgit_print_docend();
 extern void cgit_print_pageheader(char *title, int show_search);