naoki: Decompression of packages with older tar.

If the version of tar is too old to support xz compression,
we use this workaround.
This requires the xz binary being available.

diff --git a/tools/decompressor b/tools/decompressor
index 667d0c6d0c753ca1586b8ff17bed7e23fd9ef2e6..fd53f0fedf22c012d2495687ac4b43716bc5de56 100755 (executable)
--- a/tools/decompressor
+++ b/tools/decompressor
@@ -56,5 +56,5 @@ FILES=$(for i in $FILES; do echo $i; done | sort -u)
 for file in $FILES; do
        echo "Extracting $file..."
        cpio --extract --quiet -H newc --to-stdout data.img < $file | \
-               tar --extract --xz -C ${ROOT}
+               tar --extract --use-compress-program=xz -C ${ROOT}
 done