$ git clone -n https://gitee.com/axiqia/ras-tools.git /var/lib/mock/dist-an8.9-build-410403-72747/root/chroot_tmpdir/scmroot/ras-tools
Cloning into '/var/lib/mock/dist-an8.9-build-410403-72747/root/chroot_tmpdir/scmroot/ras-tools'...
$ git fetch origin b4698aee0d6af994a850432cdf05baeeb1289c5a:KOJI_FETCH_HEAD
From https://gitee.com/axiqia/ras-tools
 * [new ref]         b4698aee0d6af994a850432cdf05baeeb1289c5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4698ae update to v0.2