$ git clone -n http://fedora.riscv.rocks:3000/rpms/gdb.git /var/lib/mock/f40-build-775818-128449/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/f40-build-775818-128449/root/chroot_tmpdir/scmroot/gdb'...
$ git fetch origin 6dc547f9f57f8ca5ba41f9f0ee29a069f9b5c6a9:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/gdb
 * [new ref]         6dc547f9f57f8ca5ba41f9f0ee29a069f9b5c6a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dc547f Merge commit '46b67ac265b7e278fc4e800e8004b2a24531fcef' into main-riscv64