$ git clone -n https://github.com/xcp-ng-rpms/blktap.git /var/lib/mock/v8.3-incoming-10742-29284/root/chroot_tmpdir/scmroot/blktap
Cloning into '/var/lib/mock/v8.3-incoming-10742-29284/root/chroot_tmpdir/scmroot/blktap'...
$ git fetch origin 25546c843bcfcbffaafa376c53f0cfadccd1927e:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/blktap
 * [new ref]         25546c843bcfcbffaafa376c53f0cfadccd1927e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25546c8 Merge pull request #14 from xcp-ng-rpms/mlr/2707-fix-segfault-of-vhd-util-scan-on-vhd-with-corrupt-footer