$ git clone -n http://fedora.riscv.rocks:3000/rpms/mock-core-configs.git /var/lib/mock/f41-build-863016-171326/root/chroot_tmpdir/scmroot/mock-core-configs
Cloning into '/var/lib/mock/f41-build-863016-171326/root/chroot_tmpdir/scmroot/mock-core-configs'...
$ git fetch origin cab477e608d04b7ad25879bdef8eeecb92ebf85b:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/mock-core-configs
 * [new ref]         cab477e608d04b7ad25879bdef8eeecb92ebf85b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cab477e Bump spec