$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Able-Runner.git /var/lib/mock/f45-build-26553-618/root/chroot_tmpdir/scmroot/perl-Test-Able-Runner
Cloning into '/var/lib/mock/f45-build-26553-618/root/chroot_tmpdir/scmroot/perl-Test-Able-Runner'...
$ git fetch origin bd0d6d514ff1267613bcec7cf87a31047086c433:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Able-Runner
 * [new ref]         bd0d6d514ff1267613bcec7cf87a31047086c433 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd0d6d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild