$ git clone -n http://fedora.riscv.rocks:3000/rpms/gcc.git /var/lib/mock/f40-build-775859-128469/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/f40-build-775859-128469/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 7f396c53a729f99494a7e5e1a73cc54111918913:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/gcc
 * [new ref]         7f396c53a729f99494a7e5e1a73cc54111918913 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f396c5 Merge remote-tracking branch 'up/main' into main-riscv64