$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Install-AuthorRequires.git /var/lib/mock/f45-build-24839-606/root/chroot_tmpdir/scmroot/perl-Module-Install-AuthorRequires
Cloning into '/var/lib/mock/f45-build-24839-606/root/chroot_tmpdir/scmroot/perl-Module-Install-AuthorRequires'...
$ git fetch origin d0e1ae0034bb106adc6778c554cf68ecdae24d75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Install-AuthorRequires
 * [new ref]         d0e1ae0034bb106adc6778c554cf68ecdae24d75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0e1ae0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild