$ git clone -n https://src.fedoraproject.org/rpms/perl-Pod-Xhtml.git /var/lib/mock/f45-build-25913-613/root/chroot_tmpdir/scmroot/perl-Pod-Xhtml
Cloning into '/var/lib/mock/f45-build-25913-613/root/chroot_tmpdir/scmroot/perl-Pod-Xhtml'...
$ git fetch origin fd1d6003b3cec3186519215a504f2f63728d8966:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Pod-Xhtml
 * [new ref]         fd1d6003b3cec3186519215a504f2f63728d8966 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd1d600 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild