kiss: ensure that the owner actually exists

FossilOrigin-Name: e465e438b47fe464fe8497653aa224e27105bb581f071a48dc23d7ccbdbd09d6

1 files changed, 5 insertions, 2 deletions

diff --git a/kiss b/kiss
index b907659..b1fa228 100755
--- a/kiss
+++ b/kiss
@@ -1166,9 +1166,12 @@ pkg_fetch() {
                 # ownership of files and directories in the rare
                 # case that the repository is owned by a 3rd user.
                 (
-                    user=$(stat -c %U "$PWD")
+                    user=$(stat -c %U "$PWD") || user=root
 
-                    [ "${user:=root}" = root ] ||
+                    id -u "$user" >/dev/null 2>&1 ||
+                        user=root
+
+                    [ "$user" = root ] ||
                         log "Dropping permissions to $user for pull"
 
                     case $su in