$ git clone -n http://fedora.riscv.rocks:3000/rpms/rubygem-glu.git /var/lib/mock/f42-build-865446-173136/root/chroot_tmpdir/scmroot/rubygem-glu
Cloning into '/var/lib/mock/f42-build-865446-173136/root/chroot_tmpdir/scmroot/rubygem-glu'...
$ git fetch origin 9ecb05000e878991f364a8e264aa8a4d6286fc2e:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/rubygem-glu
 * [new ref]         9ecb05000e878991f364a8e264aa8a4d6286fc2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ecb050 Merge remote-tracking branch 'up/main' into main-riscv64