$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-API.git /var/lib/mock/f45-build-26550-618/root/chroot_tmpdir/scmroot/perl-Test-API
Cloning into '/var/lib/mock/f45-build-26550-618/root/chroot_tmpdir/scmroot/perl-Test-API'...
$ git fetch origin 2cf72a5d56a75e64c5561b3a9c3d1b522d1d8176:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-API
 * [new ref]         2cf72a5d56a75e64c5561b3a9c3d1b522d1d8176 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cf72a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild