[PATCH 3/3] scripts/make-erofs.sh: Avoid unneeded calls to mkdir

Demi Marie Obenour
2025-09-19T23:28:20Z

Don't call it if the target directory already exists.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
---
scripts/make-erofs.sh | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/scripts/make-erofs.sh b/scripts/make-erofs.sh
index ac62a65f53e0b6417b164f475a537960fc5203bc..30b83b0b41cbe7bc4fd7786cfcdddcf10c78cc5a 100755
--- a/scripts/make-erofs.sh
+++ b/scripts/make-erofs.sh
@@ -44,10 +44,15 @@ while read -r arg1; do
# a subset of all paths, but this subset includes all of
# the ones passed in practice other than /.
case $arg2 in
- (*/*) parent=${arg2%/*};;
- (*) parent=.;;
+ (*/*)
+ # Make the parent directory if needed
+ parent=$root/${arg2%/*}
+ if [ ! -d "$parent" ]; then mkdir -p -- "$parent"; fi
+ ;;
+ (*)
+ # Parent $root which definitely exists
+ ;;
esac
- mkdir -p -- "$root/$parent"
cp -RT -- "$arg1" "$root/$arg2"
done

--
2.51.0