$ git clone -n https://src.fedoraproject.org/rpms/cryptsetup.git /var/lib/mock/f40-build-791783-137740/root/chroot_tmpdir/scmroot/cryptsetup
Cloning into '/var/lib/mock/f40-build-791783-137740/root/chroot_tmpdir/scmroot/cryptsetup'...
$ git fetch origin c8f87d0d2ff6697242f224d4eb6aa68c557aeecf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cryptsetup
 * [new ref]         c8f87d0d2ff6697242f224d4eb6aa68c557aeecf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8f87d0 Do not compile unused internal argon2 implementation.