make config adjustable via env variable CGIT_CONFIG

Signed-off-by: Michael Krelin <hacker@klever.net>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/cgit.c b/cgit.c
index d9a03c2..1281bfa 100644
--- a/cgit.c
+++ b/cgit.c
@@ -193,57 +193,59 @@ static void cgit_parse_args(int argc, const char **argv)
 		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;
+	const char *cgit_config_env = getenv("CGIT_CONFIG");
 
 	htmlfd = STDOUT_FILENO;
 	item.st.st_mtime = time(NULL);
 	cgit_repolist.length = 0;
 	cgit_repolist.count = 0;
 	cgit_repolist.repos = NULL;
 
-	cgit_read_config(CGIT_CONFIG, cgit_global_config_cb);
+	cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
+			 cgit_global_config_cb);
 	cgit_repo = NULL;
 	if (getenv("SCRIPT_NAME"))
 		cgit_script_name = xstrdup(getenv("SCRIPT_NAME"));
 	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;
 }