$ git clone -n https://src.fedoraproject.org/rpms/up-imapproxy.git /var/lib/mock/f40-build-2044239-48697/root/chroot_tmpdir/scmroot/up-imapproxy
Cloning into '/var/lib/mock/f40-build-2044239-48697/root/chroot_tmpdir/scmroot/up-imapproxy'...
$ git fetch origin a1ff28eaa3850004838b7a37f45adcd1adf682b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/up-imapproxy
 * [new ref]         a1ff28eaa3850004838b7a37f45adcd1adf682b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1ff28e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild