Add max-commit-count parameter to cgitrc

This enabled customizing number of commits shown per page in log view. It
also changes the default from 100 to 50, mainly due to the more cpu
intensive log pages (number of files/lines changed) but also since 100
log messages requires excessive scrolling.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/cgit.c b/cgit.c
index 28bab8d..aee7ba3 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,259 +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"
 
 const char cgit_version[] = CGIT_VERSION;
 
 
 static struct repoinfo *cgit_get_repoinfo(char *url)
 {
         int i;
         struct repoinfo *repo;
         
         for (i=0; i<cgit_repolist.count; i++) {
                 repo = &cgit_repolist.repos[i];
                 if (!strcmp(repo->url, url))
                         return repo;
         }
         return NULL;
 }
 
 
 static int 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;
                 return 1;
         }
         cgit_repo = cgit_get_repoinfo(cgit_query_repo);
         if (!cgit_repo) {
                 char *title = fmt("%s - %s", cgit_root_title, "Bad request");
                 cgit_print_docstart(title, item);
                 cgit_print_pageheader(title, 0);
                 cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo));
                 cgit_print_docend();
                 return 0;
         }
 
         if (!cgit_query_page) {
                 item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, 
                            cgit_repo->url));
                 item->ttl = cgit_cache_repo_ttl;
         } else {
                 item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, 
                            cgit_repo->url, cgit_query_page, 
                            cache_safe_filename(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;
         }
         return 1;
 }
 
 static void cgit_print_repo_page(struct cacheitem *item)
 {
         char *title;
         int show_search;
 
         if (chdir(cgit_repo->path)) {
                 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;
         }
 
         title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc);
         show_search = 0;
         setenv("GIT_DIR", cgit_repo->path, 1);
 
         if (cgit_query_page) {
             if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) {
                 cgit_print_snapshot(item, cgit_query_sha1, "zip", 
                                     cgit_repo->url, cgit_query_name);
                 return;
             }
             if (!strcmp(cgit_query_page, "blob")) {
                     cgit_print_blob(item, cgit_query_sha1, cgit_query_path);
                     return;
             }
         }
 
         if (cgit_query_page && !strcmp(cgit_query_page, "log"))
                 show_search = 1;
 
         cgit_print_docstart(title, item);
 
 
         if (!cgit_query_page) {
                 cgit_print_pageheader("summary", show_search);
                 cgit_print_summary();
                 cgit_print_docend();
                 return;
         }
 
         cgit_print_pageheader(cgit_query_page, show_search);
 
         if (!strcmp(cgit_query_page, "log")) {
-                cgit_print_log(cgit_query_head, cgit_query_ofs, 100, 
-                               cgit_query_search);
+                cgit_print_log(cgit_query_head, cgit_query_ofs,
+                               cgit_max_commit_count, cgit_query_search);
         } else if (!strcmp(cgit_query_page, "tree")) {
                 cgit_print_tree(cgit_query_sha1, cgit_query_path);
         } else if (!strcmp(cgit_query_page, "commit")) {
                 cgit_print_commit(cgit_query_sha1);
         } else if (!strcmp(cgit_query_page, "view")) {
                 cgit_print_view(cgit_query_sha1, cgit_query_path);
         } else if (!strcmp(cgit_query_page, "diff")) {
                 cgit_print_diff(cgit_query_sha1, cgit_query_sha2);
         } else {
                 cgit_print_error("Invalid request");
         }
         cgit_print_docend();
 }
 
 static void cgit_fill_cache(struct cacheitem *item, int use_cache)
 {
         static char buf[PATH_MAX];
         int stdout2;
 
         getcwd(buf, sizeof(buf));
         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)");
         }
 
         if (cgit_query_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");
         }
 
         chdir(buf);
 }
 
 static void cgit_check_cache(struct cacheitem *item)
 {
         int i = 0;
 
  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, 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;
 
         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);
 }
 
 static void cgit_parse_args(int argc, const char **argv)
 {
         int i;
 
         for (i = 1; i < argc; i++) {
                 if (!strncmp(argv[i], "--cache=", 8)) {
                         cgit_cache_root = xstrdup(argv[i]+8);
                 }
                 if (!strcmp(argv[i], "--nocache")) {
                         cgit_nocache = 1;
                 }
                 if (!strncmp(argv[i], "--query=", 8)) {
                         cgit_querystring = xstrdup(argv[i]+8);
                 }
                 if (!strncmp(argv[i], "--repo=", 7)) {
                         cgit_query_repo = xstrdup(argv[i]+7);
                 }
                 if (!strncmp(argv[i], "--page=", 7)) {
                         cgit_query_page = xstrdup(argv[i]+7);
                 }
                 if (!strncmp(argv[i], "--head=", 7)) {
                         cgit_query_head = xstrdup(argv[i]+7);
                         cgit_query_has_symref = 1;
                 }
                 if (!strncmp(argv[i], "--sha1=", 7)) {
                         cgit_query_sha1 = xstrdup(argv[i]+7);
                         cgit_query_has_sha1 = 1;
                 }
                 if (!strncmp(argv[i], "--ofs=", 6)) {
                         cgit_query_ofs = atoi(argv[i]+6);
                 }
         }
 }
 
 int main(int argc, const char **argv)
 {
         struct cacheitem item;
 
         htmlfd = STDOUT_FILENO;
         item.st.st_mtime = time(NULL);
         cgit_repolist.length = 0;
         cgit_repolist.count = 0;
         cgit_repolist.repos = NULL;
 
         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);
         if (!cgit_prepare_cache(&item))
                 return 0;
         if (cgit_nocache) {
                 cgit_fill_cache(&item, 0);
         } else {
                 cgit_check_cache(&item);
                 cgit_print_cache(&item);
         }
         return 0;
 }