kiss: don't define KISS_COMPRESS in a subshell

FossilOrigin-Name: 9b8057b7da9acbb2794c25150547bc4e04d145db1aeab8ff3d9d6dc4b6533dfb

1 files changed, 5 insertions, 2 deletions

diff --git a/kiss b/kiss
index 8d4c8ad..2f3ac3d 100755
--- a/kiss
+++ b/kiss
@@ -589,14 +589,14 @@ pkg_tar() {
 
     # Create a tarball from the contents of the built package.
     "$tar" cf - -C "$pkg_dir/$1" . |
-        case ${KISS_COMPRESS:=gz} in
+        case $KISS_COMPRESS in
             bz2) bzip2 -z ;;
             xz)  xz -zT 0 ;;
             gz)  gzip -6  ;;
             zst) zstd -3  ;;
             *)   gzip -6  ;;  # Fallback to gzip
         esac \
-    > "$bin_dir/$1#$version-$release.tar.${KISS_COMPRESS:=gz}"
+    > "$bin_dir/$1#$version-$release.tar.$KISS_COMPRESS"
 
     log "$1" "Successfully created tarball"
 
@@ -1628,6 +1628,9 @@ main() {
     # do nothing on a normal system.
     mkdir -p "$KISS_ROOT/" 2>/dev/null ||:
 
+    # Set a value for KISS_COMPRESS if it isn't set.
+    : "${KISS_COMPRESS:=gz}"
+
     # A temporary directory can be specified apart from the cache
     # directory in order to build in a user specified directory.
     # /tmp could be used in order to build on ram, useful on SSDs.