$ git clone -n http://fedora.riscv.rocks:3000/rpms/gcc.git /var/lib/mock/f38-build-711247-93898/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/f38-build-711247-93898/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin ea420f8766a7febfaf6db7178a3298a2d0c4ce6e:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/gcc
 * [new ref]         ea420f8766a7febfaf6db7178a3298a2d0c4ce6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea420f8 Merge remote-tracking branch 'up/main' into main-riscv64