config: read system-wide defaults from /etc/gitconfig

diff --git a/git.c b/git.c
index c43d4ff1fdf6c056af1b5569079ad9090df564c8..45265f14d0cc225dedcae84b7e2ef5700b966f20 100644 (file)
--- a/git.c
+++ b/git.c
@@ -159,6 +159,16 @@ static int handle_alias(int *argcp, const char ***argv)
        alias_command = (*argv)[0];
        git_config(git_alias_config);
        if (alias_string) {
+               if (alias_string[0] == '!') {
+                       trace_printf("trace: alias to shell cmd: %s => %s\n",
+                                    alias_command, alias_string + 1);
+                       ret = system(alias_string + 1);
+                       if (ret >= 0 && WIFEXITED(ret) &&
+                           WEXITSTATUS(ret) != 127)
+                               exit(WEXITSTATUS(ret));
+                       die("Failed to run '%s' when expanding alias '%s'\n",
+                           alias_string + 1, alias_command);
+               }
                count = split_cmdline(alias_string, &new_argv);
                option_count = handle_options(&new_argv, &count);
                memmove(new_argv - option_count, new_argv,