Update scripts/fix-permissions.sh

scripts/fix-permissions.sh

+#!/bin/sh
+
+# allow script to fail without failing build
+set +e
+
+# unless otherwise specified, follow symlinks
+SYMLINK_OPT=${2:--L}
+
+# catch error if file/directory does not exist
+if ! [ -e "$1" ]; then
+    echo "ERROR: File or directory $1 does not exist." >&2
+    exit 0
+fi
+
+# fix group ownership
+find $SYMLINK_OPT "$1" \! -gid 0 -exec chgrp 0 {} +
+
+# fix group permissions
+find $SYMLINK_OPT "$1" \! -perm -g+rw -exec chmod g+rw {} +
+
+# ensure the group can execute any file executable by the owning user
+find $SYMLINK_OPT "$1" -perm /u+x -a \! -perm /g+x -exec chmod g+x {} +
+
+# ensure directories have executable permissions
+find $SYMLINK_OPT "$1" -type d \! -perm /g+x -exec chmod g+x {} +
+
+# always end successfully so that build does not fail
+exit 0
+