chbg: avoid the TOCTOU race

2026-01-06 19:31:05 +08:00
parent 0ef0ef2562
commit ca2f125654
1 changed files with 12 additions and 12 deletions
--- a/bin/chbg
+++ b/bin/chbg
@@ -14,7 +14,7 @@ finput=$1

 read -r fw fh <<< "$fsize"
 (( fw > 3840 && fh > 2160 )) && {
-	finput="$(mktemp --dry-run).webp"
+    finput=$(mktemp "${TMPDIR:-/tmp}/chbg.XXXXXXXX.webp")
    trap 'rm -f "$finput"' EXIT
    echo "WARNING: image too large, resizing ..."
    # echo "DEBUG: resized image at $finput"