Jonathan Nieder wrote:
> * If the file ~/git-shell-commands/no-interactive-login exists,
> run no-interactive-login to let the server say what it likes,
> then hang up.
>
> * Otherwise, if ~/git-shell-commands/ is present, start an
> interactive read-eval-print loop.
>
> * Otherwise, print the usual configuration hint and hang up.
Excellent. A way to suppress the ugly warning, and replace it with a
nice message in a non-interactive shell. You've chosen
"no-interactive-login" as the name of this special file, which is
reasonable. I'm not too fond of the name "git-shell-commands" in the
first place, but I suspect it's too late to do anything about it now.
> diff --git a/shell.c b/shell.c
> index 84b237fe..1429870a 100644
> --- a/shell.c
> +++ b/shell.c
> @@ -6,6 +6,7 @@
>
> #define COMMAND_DIR "git-shell-commands"
> #define HELP_COMMAND COMMAND_DIR "/help"
> +#define NOLOGIN_COMMAND COMMAND_DIR "/no-interactive-login"
>
> static int do_generic_cmd(const char *me, char *arg)
> {
> @@ -65,6 +66,18 @@ static void run_shell(void)
> {
> int done = 0;
> static const char *help_argv[] = { HELP_COMMAND, NULL };
> +
> + if (!access(NOLOGIN_COMMAND, F_OK)) {
> + /* Interactive login disabled. */
You're just checking for its existence here, not for execute permissions.
> + const char *argv[] = { NOLOGIN_COMMAND, NULL };
> + int status;
> +
> + status = run_command_v_opt(argv, 0);
If "no-interactive-login" doesn't have execute permissions, we'll get
an error from here:
fatal: cannot exec 'git-shell-commands/no-interactive-login':
Permission denied
Would you like to check that the file has execute permission in
advance to prevent some extra processing (in run_command_v_opt,
start_command and friends) before this message is printed?
Looks good otherwise.
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