$ git clone -n https://src.fedoraproject.org/rpms/cryptsetup.git /var/lib/mock/f41-build-side-1-2633632-25947/root/chroot_tmpdir/scmroot/cryptsetup
Cloning into '/var/lib/mock/f41-build-side-1-2633632-25947/root/chroot_tmpdir/scmroot/cryptsetup'...
$ git fetch origin 9c3a9596ae048d95dba742fc00b143b61fccceff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cryptsetup
 * [new ref]         9c3a9596ae048d95dba742fc00b143b61fccceff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c3a959 Update to cryptsetup 2.7.5.