make config adjustable via env variable CGIT_CONFIG

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

diff --git a/cgit.c b/cgit.c
index d9a03c2773e88ca0a65eadc97183e0197e0524ba..1281bfa94294088438e7aa62417578b1d1012be2 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -222,6 +222,7 @@ static void cgit_parse_args(int argc, const char **argv)
 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);
@@ -229,7 +230,8 @@ int main(int argc, const char **argv)
        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"));