libalpine: add yesno function

ffd4336d · Natanael Copa · 2e2c8e52 · ffd4336d
Commit ffd4336d authored Mar 21, 2012 by Natanael Copa
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libalpine.sh.in libalpine.sh.in +8 -0

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--- a/libalpine.sh.in
+++ b/libalpine.sh.in
@@ -71,6 +71,14 @@ cfg_add() {
 	[ -z "$NOCOMMIT" ] && lbu_add "$@"
 }

+# return true if given value is 1, Y, Yes, yes YES etc
+yesno() {
+	case $1 in
+	[Yy]|[Yy][Ee][Ss]|1|[Tt][Rr][Uu][Ee]) return 0;;
+	esac
+	return 1
+}
+
 # Detect if we are running Xen
 is_xen() {
 	test -d /proc/xen