$ git clone -n https://src.fedoraproject.org/rpms/w3m.git /var/lib/mock/f45-build-38217-722/root/chroot_tmpdir/scmroot/w3m
Cloning into '/var/lib/mock/f45-build-38217-722/root/chroot_tmpdir/scmroot/w3m'...
$ git fetch origin 46f37f9dd524fa4ffca88a03c4592dfb5ab3f9df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/w3m
 * [new ref]         46f37f9dd524fa4ffca88a03c4592dfb5ab3f9df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46f37f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild