$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Atom-SimpleFeed.git /var/lib/mock/f45-build-27461-624/root/chroot_tmpdir/scmroot/perl-XML-Atom-SimpleFeed
Cloning into '/var/lib/mock/f45-build-27461-624/root/chroot_tmpdir/scmroot/perl-XML-Atom-SimpleFeed'...
$ git fetch origin 339d8ae43333358688964fa36af7b0e861166db6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-Atom-SimpleFeed
 * [new ref]         339d8ae43333358688964fa36af7b0e861166db6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 339d8ae Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild