revert 3564d43036

revert pre-commit.entrypoint.sh: skip variable creation

Signed-off-by: Filip Kobierski <fkobi@fsfe.org>

pre-commit.entrypoint.sh

@@ -4,9 +4,9 @@ set -euo pipefail
 # Get the changed files
 target_branch="${1:-master}"
 source_branch="$(git rev-parse --abbrev-ref HEAD)"
+files="$(git diff --name-only "$source_branch" "$target_branch")"
 files_args=""
-
-for file in git diff --name-only "$source_branch" "$target_branch"; do
+for file in $files; do
 	if [ -f "$file" ]; then
 		files_args+="--file $file "
 	fi