$ git clone -n https://src.fedoraproject.org/rpms/resteasy.git /var/lib/mock/f40-build-2155880-50918/root/chroot_tmpdir/scmroot/resteasy
Cloning into '/var/lib/mock/f40-build-2155880-50918/root/chroot_tmpdir/scmroot/resteasy'...
$ git fetch origin f12a46f5950dde227814022a2fb8a230351f4e6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/resteasy
 * [new ref]         f12a46f5950dde227814022a2fb8a230351f4e6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f12a46f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild