$ git clone -n https://src.fedoraproject.org/rpms/vmpk.git /var/lib/mock/f39-build-1701292-41205/root/chroot_tmpdir/scmroot/vmpk
Cloning into '/var/lib/mock/f39-build-1701292-41205/root/chroot_tmpdir/scmroot/vmpk'...
$ git fetch origin d4b8f3c02683e685e1d8ceed7a52b54adf9e323b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vmpk
 * [new ref]         d4b8f3c02683e685e1d8ceed7a52b54adf9e323b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4b8f3c New release 0.8.9 (RHBZ#2224833)