qmlfmt: restoring error reporting

Bin/dev/qmlfmt.sh

@@ -1,8 +1,19 @@
 #!/usr/bin/env -S bash
+set -euo pipefail
 
+# QML Formatter Script
 # Uses: https://github.com/jesperhh/qmlfmt
-# Can be installed from AUR "qmlfmt-git"
-# Requires qt6-5compat
+# Install: AUR package "qmlfmt-git" (requires qt6-5compat)
 
-echo "Formatting $(find . -name "*.qml" | wc -l) files..."
-find . -name "*.qml" -print0 | xargs -0 -P "$(nproc)" -I {} qmlfmt -e -b 360 -t 2 -i 2 -w {}
+command -v qmlfmt &>/dev/null || { echo "qmlfmt not found" >&2; exit 1; }
+
+format_file() { qmlfmt -e -b 360 -t 2 -i 2 -w "$1" || { echo "Failed: $1" >&2; return 1; }; }
+export -f format_file
+
+mapfile -t files < <(find "${1:-.}" -name "*.qml" -type f)
+[ ${#files[@]} -eq 0 ] && { echo "No QML files found"; exit 0; }
+
+echo "Formatting ${#files[@]} files..."
+printf '%s\0' "${files[@]}" | \
+    xargs -0 -P "${QMLFMT_JOBS:-$(nproc)}" -I {} bash -c 'format_file "$@"' _ {} \
+    && echo "Done" || { echo "Errors occurred" >&2; exit 1; }