$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Fatal.git /var/lib/mock/f45-build-26674-618/root/chroot_tmpdir/scmroot/perl-Test-Fatal
Cloning into '/var/lib/mock/f45-build-26674-618/root/chroot_tmpdir/scmroot/perl-Test-Fatal'...
$ git fetch origin 8deb589b75b7ff6b8763931491d4fa4dc2458bc8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Fatal
 * [new ref]         8deb589b75b7ff6b8763931491d4fa4dc2458bc8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8deb589 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild