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git alias: try alias last.

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This disables alias "foo" from being used for git-foo, and when
we do use alias we check the built-in and then existing command
names first and then alias as the fallback.  This avoids the
problem of common commands used in scripts getting clobbered by
user specific aliases.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-06-05 18:09:40 -07:00
parent 2b11e3170e
commit a025463bc0
1 changed files with 14 additions and 6 deletions
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14
git.c
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@ -202,6 +202,7 @@ int main(int argc, const char **argv, char **envp)
char *slash = strrchr(cmd, '/'); char *slash = strrchr(cmd, '/');
char git_command[PATH_MAX + 1]; char git_command[PATH_MAX + 1];
const char *exec_path = NULL; const char *exec_path = NULL;
int done_alias = 0;
/* /*
* Take the basename of argv[0] as the command * Take the basename of argv[0] as the command
@ -229,7 +230,6 @@ int main(int argc, const char **argv, char **envp)
if (!strncmp(cmd, "git-", 4)) { if (!strncmp(cmd, "git-", 4)) {
cmd += 4; cmd += 4;
argv[0] = cmd; argv[0] = cmd;
handle_alias(&argc, &argv);
handle_internal_command(argc, argv, envp); handle_internal_command(argc, argv, envp);
die("cannot handle %s internally", cmd); die("cannot handle %s internally", cmd);
} }
@ -287,14 +287,22 @@ int main(int argc, const char **argv, char **envp)
exec_path = git_exec_path(); exec_path = git_exec_path();
prepend_to_path(exec_path, strlen(exec_path)); prepend_to_path(exec_path, strlen(exec_path));
handle_alias(&argc, &argv); while (1) {
/* See if it's an internal command */ /* See if it's an internal command */
handle_internal_command(argc, argv, envp); handle_internal_command(argc, argv, envp);
/* .. then try the external ones */ /* .. then try the external ones */
execv_git_cmd(argv); execv_git_cmd(argv);
/* It could be an alias -- this works around the insanity
* of overriding "git log" with "git show" by having
* alias.log = show
*/
if (done_alias || !handle_alias(&argc, &argv))
break;
done_alias = 1;
}
if (errno == ENOENT) if (errno == ENOENT)
cmd_usage(0, exec_path, "'%s' is not a git-command", cmd); cmd_usage(0, exec_path, "'%s' is not a git-command", cmd);