$ git clone -n https://src.fedoraproject.org/rpms/gprof2dot.git /var/lib/mock/f45-build-12956-444/root/chroot_tmpdir/scmroot/gprof2dot
Cloning into '/var/lib/mock/f45-build-12956-444/root/chroot_tmpdir/scmroot/gprof2dot'...
$ git fetch origin 4cd5fb0fd8d7bf5951d0c82235c869d5be215c79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gprof2dot
 * [new ref]         4cd5fb0fd8d7bf5951d0c82235c869d5be215c79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cd5fb0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild