$ git clone -n https://src.fedoraproject.org/rpms/cryptsetup.git /var/lib/mock/f40-build-2226091-52899/root/chroot_tmpdir/scmroot/cryptsetup
Cloning into '/var/lib/mock/f40-build-2226091-52899/root/chroot_tmpdir/scmroot/cryptsetup'...
$ git fetch origin 6db37225d5ad20a39bf6a485f712e62e221c7d3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cryptsetup
 * [new ref]         6db37225d5ad20a39bf6a485f712e62e221c7d3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6db3722 Update to cryptsetup 2.7.0-rc1.