use tar's auto-compress option

Author: bedroge

create_tarball.sh

@@ -115,27 +115,7 @@ fi
 topdir=${cvmfs_repo}/versions/
 
 echo ">> Creating tarball ${target_tarball} from ${topdir}..."
-target_tarball_ext="${target_tarball##*.}"
-if [ "${target_tarball_ext}" = "zst" ]; then
-    if [ -x "$(command -v zstd)" ]; then
-        tar -cvf - -C ${topdir} --files-from=${files_list} | zstd -T0 > ${target_tarball}
-    else
-        echo "Zstd compression requested, but zstd command is not available." >&2
-        exit 4
-    fi
-elif [ "${target_tarball_ext}" = "gz" ]; then
-    if [[ -x "$(command -v gzip)" ]]; then
-        tar -czvf ${target_tarball} -C ${topdir} --files-from=${files_list}
-    else
-        echo "Gzip compression requested, but gzip command is not available." >&2
-        exit 4
-    fi
-elif [ "${target_tarball_ext}" = "tar" ]; then
-    tar -cfv ${target_tarball} -C ${topdir} --files-from=${files_list}
-else
-    echo "Unknown tarball type (${target_tarball_ext}) requested."
-    exit 4
-fi
+tar cavf ${target_tgz} -C ${topdir} --files-from=${files_list}
 echo ${target_tarball} created!
 
 echo ">> Cleaning up tmpdir ${tmpdir}..."