$ git clone -n https://src.fedoraproject.org/rpms/perl-App-mymeta_requires.git /var/lib/mock/f45-build-21728-587/root/chroot_tmpdir/scmroot/perl-App-mymeta_requires
Cloning into '/var/lib/mock/f45-build-21728-587/root/chroot_tmpdir/scmroot/perl-App-mymeta_requires'...
$ git fetch origin 465c2e75e3cdb6c4b15215e306f853737d90dec1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-App-mymeta_requires
 * [new ref]         465c2e75e3cdb6c4b15215e306f853737d90dec1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 465c2e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild