comp_bench: update, add zstd

1 files changed, 4 insertions, 2 deletions

diff --git a/comp_bench b/comp_bench
index d7f929d..22bb906 100755
--- a/comp_bench
+++ b/comp_bench
@@ -10,8 +10,9 @@ do_time() {
 }
 
 do_bench() {
+    tmpfile=
+    trap '[ -n "$tmpfile" ] && rm -f "$tmpfile"' HUP INT QUIT TERM EXIT
     tmpfile=$(mktemp)
-    trap 'rm -f "$tmpfile"' HUP INT QUIT TERM EXIT
     [ -z "$verbose" ] || printf '%s compression:\n' "$1"
     ${verbose+do_time} "$@" -c <initramfs.img >"$tmpfile"
     printf '%s size: %s bytes\n' "$1" "$(wc -c < "$tmpfile")"
@@ -24,7 +25,7 @@ do_bench() {
 
 if [ -e initramfs.img ] && [ "$(file -b initramfs.img)" != "ASCII cpio archive (SVR4 with no CRC)" ]; then
     echo "warning: overwriting initramfs.img" >&2
-    compressor=cat ./make > initramfs.img
+    COMPRESSOR=cat ./make
 fi
 do_bench gzip -9
 do_bench bzip2 -9
@@ -32,3 +33,4 @@ do_bench lzma -9e --check=crc32
 do_bench xz --check=crc32 --x86 --lzma2=preset=9e
 do_bench lzop -9
 do_bench lz4 --best --favor-decSpeed -l
+do_bench zstd -19