$ git clone -n https://src.fedoraproject.org/rpms/capstone.git /var/lib/mock/f40-build-2240029-53628/root/chroot_tmpdir/scmroot/capstone
Cloning into '/var/lib/mock/f40-build-2240029-53628/root/chroot_tmpdir/scmroot/capstone'...
$ git fetch origin f9f2496ce7dc5293b3d88f0ffaacfb4f2969b1b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/capstone
 * [new ref]         f9f2496ce7dc5293b3d88f0ffaacfb4f2969b1b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9f2496 deps for java sub-package