Re: [PATCH v4 1/2] git-jump: add an optional argument '--stdout'

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On Tue, Nov 22, 2022 at 02:18:22PM +0000, Yoichi Nakayama via GitGitGadget wrote:

> @@ -64,11 +67,31 @@ mode_ws() {
>  	git diff --check "$@"
>  }
>  
> +use_stdout=
> +while test $# -gt 0; do
> +	case "$1" in
> +	--stdout)
> +		use_stdout=t
> +		shift
> +		;;
> +	--*)
> +		usage >&2
> +		exit 1
> +		;;
> +	*)
> +		break
> +		;;
> +	esac
> +done
>  if test $# -lt 1; then
>  	usage >&2
>  	exit 1
>  fi
>  mode=$1; shift
> +if test "$use_stdout" = "t"; then
> +	"mode_$mode" "$@"
> +	exit 0
> +fi

Thanks, this looks pretty good. I think we'd want this on top.

-- >8 --
Subject: git-jump: move valid-mode check earlier

We check if the "mode" argument supplied by the user is valid by seeing
if we have a mode_$mode function defined. But we don't do that until
after creating the tempfile. This is wasteful (we create a tempfile but
never use it), and makes it harder to add new options (the recent stdout
option exits before creating the tempfile, so it misses the check and
"git jump --stdout foo" will produce "git-jump: 92: mode_foo: not found"
rather than the regular usage message).

Signed-off-by: Jeff King <peff@xxxxxxxx>
---
 contrib/git-jump/git-jump | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/contrib/git-jump/git-jump b/contrib/git-jump/git-jump
index babb3b5c68..cc97b0dcf0 100755
--- a/contrib/git-jump/git-jump
+++ b/contrib/git-jump/git-jump
@@ -88,14 +88,15 @@ if test $# -lt 1; then
 	exit 1
 fi
 mode=$1; shift
+type "mode_$mode" >/dev/null 2>&1 || { usage >&2; exit 1; }
+
 if test "$use_stdout" = "t"; then
 	"mode_$mode" "$@"
 	exit 0
 fi
 
 trap 'rm -f "$tmp"' 0 1 2 3 15
 tmp=`mktemp -t git-jump.XXXXXX` || exit 1
-type "mode_$mode" >/dev/null 2>&1 || { usage >&2; exit 1; }
 "mode_$mode" "$@" >"$tmp"
 test -s "$tmp" || exit 0
 open_editor "$tmp"
-- 
2.38.1.970.g3b99f132c8




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