1 files changed, 6 insertions, 1 deletions

diff --git a/bin/build-packages b/bin/build-packages
index 512c684..eebf8c8 100755
--- a/bin/build-packages
+++ b/bin/build-packages
@@ -682,10 +682,15 @@ while [ "${count}" -ne 0 ] && \
           # silently fall back to lower compression levels if the higher
           # level fails.
 
+          # beware: We must remove *.pkg.tar.zst after failed
+          # compression attempts, otherwise future compression attempts
+          # will refuse to overwrite them.
+
           # shellcheck disable=SC2086
           for options in '-T0 --ultra -20' '--ultra -20' {-19..-3}; do
             find . -maxdepth 1 -type f -name '*.pkg.tar' \
-              -execdir zstd --rm ${options} '{}' -o '{}.zst' \;
+              -not -execdir zstd --rm ${options} '{}' -o '{}.zst' \; \
+              -exec rm -f '{}.zst' \;
           done
           # package files, that still exist, threw an error upon compression
           errors=$(