$ git clone -n https://src.fedoraproject.org/rpms/libi2cd.git /var/lib/mock/f45-build-16318-485/root/chroot_tmpdir/scmroot/libi2cd
Cloning into '/var/lib/mock/f45-build-16318-485/root/chroot_tmpdir/scmroot/libi2cd'...
$ git fetch origin 28480105f0b803beecd8eb2f4c5dde2e070de0c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libi2cd
 * [new ref]         28480105f0b803beecd8eb2f4c5dde2e070de0c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2848010 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild