$ git clone -n https://src.fedoraproject.org/rpms/xlsfonts.git /var/lib/mock/f45-build-38933-730/root/chroot_tmpdir/scmroot/xlsfonts
Cloning into '/var/lib/mock/f45-build-38933-730/root/chroot_tmpdir/scmroot/xlsfonts'...
$ git fetch origin 7fa74cf0d6cb1bb04afd0353d66ab37e0acf1600:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xlsfonts
 * [new ref]         7fa74cf0d6cb1bb04afd0353d66ab37e0acf1600 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fa74cf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild