zenu

git clone git://bebou.netlib.re/zenu
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commit 8f01d3360bf8c8584d244043a351b577aa536010
parent aa6044a4df77898ae5d556f3e1fa818b184b3c8e
Auterice: Marc Chantreux <mc@unistra.fr>
Date:   Fri, 30 Jun 2023 22:45:21 +0200

FIX: exit if zenu.loop in a non-directory

fix an infinite while loop when data are missing

Diffstat:
M
zenu.zsh
 | 
9
++++++++-

1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/zenu.zsh b/zenu.zsh
@@ -47,7 +47,14 @@ zenu.loop() {
 	while (( $# )) {
 		case "$1"
 		in (from) zenu_stack=($2)              ; shift 2
-		;; (in)   zenu_base=$2                 ; shift 2
+		;; (in)
+			[[ -d $2 ]] || {
+				>&2 echo "$2 isn't a directory"
+				return -1
+			}
+			zenu_base=$2
+			shift 2
+		;; (*)    >&2 echo "not a valid key $1"; return 1
 		esac
 	}
 	while {eval $ZENU_AGAIN} {