$ git clone -n https://src.fedoraproject.org/rpms/source-foundry-hack-fonts.git /var/lib/mock/f45-build-36251-702/root/chroot_tmpdir/scmroot/source-foundry-hack-fonts
Cloning into '/var/lib/mock/f45-build-36251-702/root/chroot_tmpdir/scmroot/source-foundry-hack-fonts'...
$ git fetch origin 77d20fd557c72c8c0487913ddbf4f6e7e32e184a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/source-foundry-hack-fonts
 * [new ref]         77d20fd557c72c8c0487913ddbf4f6e7e32e184a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77d20fd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild