$ git clone -n https://src.fedoraproject.org/rpms/caddy.git /var/lib/mock/f45-build-6631-349/root/chroot_tmpdir/scmroot/caddy
Cloning into '/var/lib/mock/f45-build-6631-349/root/chroot_tmpdir/scmroot/caddy'...
$ git fetch origin 055f25b1dd05cb8891af700b4244bd9bc7158196:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/caddy
 * [new ref]         055f25b1dd05cb8891af700b4244bd9bc7158196 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 055f25b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild