On Wed, Jan 31, 2018 at 4:30 AM, Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> wrote:
> Pointing the user to $GIT_DIR/rebase-apply may encourage them to mess
> around in there, which is not a good thing. With this, the user does
> not have to keep the path around somewhere (because after a couple of
> commands, the path may be out of scrollback buffer) when they need to
> look at the patch.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
> diff --git a/builtin/am.c b/builtin/am.c
> @@ -2121,6 +2120,22 @@ static void am_abort(struct am_state *state)
> +static int show_patch(struct am_state *state)
> +{
> + struct strbuf sb = STRBUF_INIT;
> + int len;
> +
> + len = strbuf_read_file(&sb, am_path(state, msgnum(state)), 0);
> + if (len < 0)
> + die_errno(_("failed to read '%s'"),
> + am_path(state, msgnum(state)));
Isn't this am_path() invocation inside die_errno() likely to clobber
the 'errno' from strbuf_read_file() which you want to be reporting?
> + setup_pager();
> + write_in_full(1, sb.buf, sb.len);
> + strbuf_release(&sb);
> + return 0;
> +}
