git.c: allow alias expansion without a git directory

With this, the configuration mechanism can be used to say:

[alias]
init = init-db --template=/path/to/template

Signed-off-by: Matthias Lederhofer <matled@gmx.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git.c b/git.c
index 452180e23af9250bbc7fcc8a9cca70b24129dc68..7321d6c3f636ef8bd4870ead06be54c037ccef9b 100644 (file)
--- a/git.c
+++ b/git.c
@@ -156,52 +156,48 @@ static int handle_alias(int *argcp, const char ***argv)
 {
        int nongit = 0, ret = 0, saved_errno = errno;
        const char *subdir;
+       int count, option_count;
+       const char** new_argv;
 
        subdir = setup_git_directory_gently(&nongit);
-       if (!nongit) {
-               int count, option_count;
-               const char** new_argv;
-
-               alias_command = (*argv)[0];
-               git_config(git_alias_config);
-               if (alias_string) {
-
-                       count = split_cmdline(alias_string, &new_argv);
-                       option_count = handle_options(&new_argv, &count);
-                       memmove(new_argv - option_count, new_argv,
-                                       count * sizeof(char *));
-                       new_argv -= option_count;
-
-                       if (count < 1)
-                               die("empty alias for %s", alias_command);
-
-                       if (!strcmp(alias_command, new_argv[0]))
-                               die("recursive alias: %s", alias_command);
-
-                       if (getenv("GIT_TRACE")) {
-                               int i;
-                               fprintf(stderr, "trace: alias expansion: %s =>",
-                                       alias_command);
-                               for (i = 0; i < count; ++i) {
-                                       fputc(' ', stderr);
-                                       sq_quote_print(stderr, new_argv[i]);
-                               }
-                               fputc('\n', stderr);
-                               fflush(stderr);
-                       }
 
-                       new_argv = realloc(new_argv, sizeof(char*) *
-                                          (count + *argcp + 1));
-                       /* insert after command name */
-                       memcpy(new_argv + count, *argv + 1,
-                              sizeof(char*) * *argcp);
-                       new_argv[count+*argcp] = NULL;
+       alias_command = (*argv)[0];
+       git_config(git_alias_config);
+       if (alias_string) {
+               count = split_cmdline(alias_string, &new_argv);
+               option_count = handle_options(&new_argv, &count);
+               memmove(new_argv - option_count, new_argv,
+                               count * sizeof(char *));
+               new_argv -= option_count;
+
+               if (count < 1)
+                       die("empty alias for %s", alias_command);
 
-                       *argv = new_argv;
-                       *argcp += count - 1;
+               if (!strcmp(alias_command, new_argv[0]))
+                       die("recursive alias: %s", alias_command);
 
-                       ret = 1;
+               if (getenv("GIT_TRACE")) {
+                       int i;
+                       fprintf(stderr, "trace: alias expansion: %s =>",
+                               alias_command);
+                       for (i = 0; i < count; ++i) {
+                               fputc(' ', stderr);
+                               sq_quote_print(stderr, new_argv[i]);
+                       }
+                       fputc('\n', stderr);
+                       fflush(stderr);
                }
+
+               new_argv = realloc(new_argv, sizeof(char*) *
+                                  (count + *argcp + 1));
+               /* insert after command name */
+               memcpy(new_argv + count, *argv + 1, sizeof(char*) * *argcp);
+               new_argv[count+*argcp] = NULL;
+
+               *argv = new_argv;
+               *argcp += count - 1;
+
+               ret = 1;
        }
 
        if (subdir)