On 12/19, Stefan Beller wrote:
> In a later patch we want to report the exact command that we run in the
> error message. Add a convenient way to the run command API that runs the
> given command or reports the exact command as failure.
>
> Signed-off-by: Stefan Beller <[email protected]>
> ---
> run-command.c | 28 ++++++++++++++++++++++++++++
> run-command.h | 4 ++++
> 2 files changed, 32 insertions(+)
>
> diff --git a/run-command.c b/run-command.c
> index ca905a9e80..a0587db334 100644
> --- a/run-command.c
> +++ b/run-command.c
> @@ -279,6 +279,17 @@ static int wait_or_whine(pid_t pid, const char *argv0,
> int in_signal)
> return code;
> }
>
> +static void report_and_die(struct child_process *cmd, const char *action)
> +{
> + int i;
> + struct strbuf err = STRBUF_INIT;
> + if (cmd->git_cmd)
> + strbuf_addstr(&err, "git ");
> + for (i = 0; cmd->argv[i]; )
Missing the increment of i here.
> + strbuf_addf(&err, "'%s'", cmd->argv[i]);
> + die(_("could not %s %s"), action, err.buf);
> +}
> +
> int start_command(struct child_process *cmd)
> {
> int need_in, need_out, need_err;
> @@ -546,6 +557,12 @@ int start_command(struct child_process *cmd)
> return 0;
> }
>
> +void start_command_or_die(struct child_process *cmd)
> +{
> + if (start_command(cmd))
> + report_and_die(cmd, "start");
> +}
> +
> int finish_command(struct child_process *cmd)
> {
> int ret = wait_or_whine(cmd->pid, cmd->argv[0], 0);
> @@ -558,6 +575,11 @@ int finish_command_in_signal(struct child_process *cmd)
> return wait_or_whine(cmd->pid, cmd->argv[0], 1);
> }
>
> +void finish_command_or_die(struct child_process *cmd)
> +{
> + if (finish_command(cmd))
> + report_and_die(cmd, "finish");
> +}
>
> int run_command(struct child_process *cmd)
> {
> @@ -592,6 +614,12 @@ int run_command_v_opt_cd_env(const char **argv, int opt,
> const char *dir, const
> return run_command(&cmd);
> }
>
> +void run_command_or_die(struct child_process *cmd)
> +{
> + if (finish_command(cmd))
> + report_and_die(cmd, "run");
> +}
> +
> #ifndef NO_PTHREADS
> static pthread_t main_thread;
> static int main_thread_set;
> diff --git a/run-command.h b/run-command.h
> index dd1c78c28d..e4585885c5 100644
> --- a/run-command.h
> +++ b/run-command.h
> @@ -56,6 +56,10 @@ int finish_command(struct child_process *);
> int finish_command_in_signal(struct child_process *);
> int run_command(struct child_process *);
>
> +void start_command_or_die(struct child_process *);
> +void finish_command_or_die(struct child_process *);
> +void run_command_or_die(struct child_process *);
> +
> /*
> * Returns the path to the hook file, or NULL if the hook is missing
> * or disabled. Note that this points to static storage that will be
> --
> 2.11.0.rc2.53.gb7b3fba.dirty
>
--
Brandon Williams
