$ git clone -n https://src.fedoraproject.org/rpms/jid.git /var/lib/mock/f45-build-20377-570/root/chroot_tmpdir/scmroot/jid
Cloning into '/var/lib/mock/f45-build-20377-570/root/chroot_tmpdir/scmroot/jid'...
$ git fetch origin 37b56532621c698cb37ceafede9ca01bdf4bc3d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jid
 * [new ref]         37b56532621c698cb37ceafede9ca01bdf4bc3d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37b5653 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild