$ git clone -n https://github.com/xcp-ng-rpms/blktap.git /var/lib/mock/v8.3-base-3989-3929/root/chroot_tmpdir/scmroot/blktap
Cloning into '/var/lib/mock/v8.3-base-3989-3929/root/chroot_tmpdir/scmroot/blktap'...
$ git reset --hard 7484a84d98b84dcceb335bc130caf92a2381f0d4
Downloading SOURCES/blktap-3.51.6.tar.gz (364 KB)
HEAD is now at 7484a84 Rebuild for *downgraded* cmocka (because of samba's build)