$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Deep-Type.git /var/lib/mock/f45-build-26621-618/root/chroot_tmpdir/scmroot/perl-Test-Deep-Type
Cloning into '/var/lib/mock/f45-build-26621-618/root/chroot_tmpdir/scmroot/perl-Test-Deep-Type'...
$ git fetch origin ad3914fe73622b671f9b64539a52059676af55b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Deep-Type
 * [new ref]         ad3914fe73622b671f9b64539a52059676af55b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad3914f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild