$ git clone -n https://src.fedoraproject.org/rpms/openocd.git /var/lib/mock/f45-build-21076-578/root/chroot_tmpdir/scmroot/openocd
Cloning into '/var/lib/mock/f45-build-21076-578/root/chroot_tmpdir/scmroot/openocd'...
$ git fetch origin 5549dbef186c4cfb504fdf3e2bb6489b18e88a2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openocd
 * [new ref]         5549dbef186c4cfb504fdf3e2bb6489b18e88a2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5549dbe Rebuild for jimtcl 0.84