$ git clone -n https://src.fedoraproject.org/rpms/gerrymander.git /var/lib/mock/f40-build-1997513-44144/root/chroot_tmpdir/scmroot/gerrymander
Cloning into '/var/lib/mock/f40-build-1997513-44144/root/chroot_tmpdir/scmroot/gerrymander'...
$ git fetch origin 4236badec6a4184afd7de423d7aae672f3c162c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gerrymander
 * [new ref]         4236badec6a4184afd7de423d7aae672f3c162c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4236bad Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild