$ git clone -n https://src.fedoraproject.org/rpms/R-mockery.git /var/lib/mock/f40-build-2304834-57048/root/chroot_tmpdir/scmroot/R-mockery
Cloning into '/var/lib/mock/f40-build-2304834-57048/root/chroot_tmpdir/scmroot/R-mockery'...
$ git fetch origin 2f7b1540bce17b73822c7807a622781a0f2df207:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-mockery
 * [new ref]         2f7b1540bce17b73822c7807a622781a0f2df207 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f7b154 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild