improve tar compatibility

This patch is supposed to improve compatibility with less featured tar variants
"when the tar program used does not support historical options (without hyphen) nor the '-z' option."

Patch proposed by Antonio Diaz Diaz

diff --git a/tests/playTests.sh b/tests/playTests.sh
index fa748c0cf9ed5a29ba91d26b6d5f2c63c86a9ae6..f57f61f3d9cfa8518501771714049ff0ed1bb690 100755 (executable)
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -1285,7 +1285,7 @@ println "\n===>  tar extension tests "
 rm -f tmp tmp.tar tmp.tzst tmp.tgz tmp.txz tmp.tlz4 tmp1.zstd
 
 datagen > tmp
-tar cf tmp.tar tmp
+tar -cf tmp.tar tmp
 zstd tmp.tar -o tmp.tzst
 rm -f tmp.tar
 zstd -d tmp.tzst
@@ -1293,21 +1293,21 @@ zstd -d tmp.tzst
 rm -f tmp.tar tmp.tzst
 
 if [ $GZIPMODE -eq 1 ]; then
-    tar czf tmp.tgz tmp
+    tar -c tmp | gzip > tmp.tgz
     zstd -d tmp.tgz
     [ -e tmp.tar ] || die ".tgz failed to decompress to .tar!"
     rm -f tmp.tar tmp.tgz
 fi
 
 if [ $LZMAMODE -eq 1 ]; then
-    tar c tmp | zstd --format=xz > tmp.txz
+    tar -c tmp | zstd --format=xz > tmp.txz
     zstd -d tmp.txz
     [ -e tmp.tar ] || die ".txz failed to decompress to .tar!"
     rm -f tmp.tar tmp.txz
 fi
 
 if [ $LZ4MODE -eq 1 ]; then
-    tar c tmp | zstd --format=lz4 > tmp.tlz4
+    tar -c tmp | zstd --format=lz4 > tmp.tlz4
     zstd -d tmp.tlz4
     [ -e tmp.tar ] || die ".tlz4 failed to decompress to .tar!"
     rm -f tmp.tar tmp.tlz4