dir.c: minor clean-up

diff --git a/config.c b/config.c
index dc3148d4566205858869973804de1c2ddb19e981..ed96213c44265289c26d46edaaf740cebd0b4c86 100644 (file)
--- a/config.c
+++ b/config.c
@@ -6,6 +6,7 @@
  *
  */
 #include "cache.h"
+#include "exec_cmd.h"
 
 #define MAXNAME (256)
 
@@ -431,6 +432,13 @@ int git_default_config(const char *var, const char *value)
                return 0;
        }
 
+       if (!strcmp(var, "core.excludesfile")) {
+               if (!value)
+                       die("core.excludesfile without value");
+               excludes_file = xstrdup(value);
+               return 0;
+       }
+
        /* Add other config variables here and to Documentation/config.txt. */
        return 0;
 }
@@ -452,6 +460,21 @@ int git_config_from_file(config_fn_t fn, const char *filename)
        return ret;
 }
 
+const char *git_etc_gitconfig(void)
+{
+       static const char *system_wide;
+       if (!system_wide) {
+               system_wide = ETC_GITCONFIG;
+               if (!is_absolute_path(system_wide)) {
+                       /* interpret path relative to exec-dir */
+                       const char *exec_path = git_exec_path();
+                       system_wide = prefix_path(exec_path, strlen(exec_path),
+                                               system_wide);
+               }
+       }
+       return system_wide;
+}
+
 int git_config(config_fn_t fn)
 {
        int ret = 0;
@@ -464,8 +487,8 @@ int git_config(config_fn_t fn)
         * config file otherwise. */
        filename = getenv(CONFIG_ENVIRONMENT);
        if (!filename) {
-               if (!access(ETC_GITCONFIG, R_OK))
-                       ret += git_config_from_file(fn, ETC_GITCONFIG);
+               if (!access(git_etc_gitconfig(), R_OK))
+                       ret += git_config_from_file(fn, git_etc_gitconfig());
                home = getenv("HOME");
                filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
                if (!filename)