Verified equality of underlying tarball with
tarname=http://www.firestorm.cx/fswebcam/files/fswebcam-20140113.tar
test "$(wget -qO- $tarname.gz|zcat|sha256sum -)" = "$(wget -qO- $tarname.xz|xzcat|sha256sum -)"
Signed-off-by: Mario Lang <mlang@blind.guru>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>