$ git clone -n https://src.fedoraproject.org/rpms/quisk.git /var/lib/mock/f39-build-1595029-38323/root/chroot_tmpdir/scmroot/quisk
Cloning into '/var/lib/mock/f39-build-1595029-38323/root/chroot_tmpdir/scmroot/quisk'...
$ git fetch origin ebf5849d0078d82ff72e5e09b09ca26422c0fdf7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quisk
 * [new ref]         ebf5849d0078d82ff72e5e09b09ca26422c0fdf7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebf5849 New version