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>

cgit.c

@@ -107,8 +107,8 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	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.h

@@ -87,6 +87,7 @@ extern int cgit_cache_static_ttl;
 extern int cgit_cache_max_create_time;
 
 extern int cgit_max_msg_len;
+extern int cgit_max_commit_count;
 
 extern char *cgit_repo_name;
 extern char *cgit_repo_desc;

cgitrc

@@ -55,6 +55,10 @@
 #max-message-length=60
 
 
+## Number of commits per page in log view
+#max-commit-count=50
+
+
 ## Root of cached output
 #cache-root=/var/cache/cgit
 

shared.c

@@ -30,6 +30,7 @@ int cgit_cache_static_ttl      = -1;
 int cgit_cache_max_create_time =  5;
 
 int cgit_max_msg_len = 60;
+int cgit_max_commit_count = 50;
 
 char *cgit_repo_name    = NULL;
 char *cgit_repo_desc    = NULL;
@@ -120,6 +121,8 @@ void cgit_global_config_cb(const char *name, const char *value)
 		cgit_cache_dynamic_ttl = atoi(value);
 	else if (!strcmp(name, "max-message-length"))
 		cgit_max_msg_len = atoi(value);
+	else if (!strcmp(name, "max-commit-count"))
+		cgit_max_commit_count = atoi(value);
 	else if (!strcmp(name, "repo.url"))
 		cgit_repo = add_repo(value);
 	else if (!strcmp(name, "repo.name"))