unify mktemp definitions to use --tmpdir if appropriate

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/repo-copy b/bin/repo-copy
index 803cae3..ee3ac2e 100755
--- a/bin/repo-copy
+++ b/bin/repo-copy
@@ -28,7 +28,7 @@ to_repo="$2"
 shift
 shift
 
-tmp_dir=$(mktemp -d "${TMPDIR:-/tmp}/repo-tools.XXXXXXXXXX")
+tmp_dir=$(mktemp -d 'repo-tools.XXXXXXXXXX' --tmpdir)
 trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
 
 # extract the databases