$ git clone -n https://gitee.com/costinchen/shim.git /var/lib/mock/dist-ocs23-build-300630-28561/root/chroot_tmpdir/scmroot/shim
Cloning into '/var/lib/mock/dist-ocs23-build-300630-28561/root/chroot_tmpdir/scmroot/shim'...
$ git fetch origin 15.7:KOJI_FETCH_HEAD
From https://gitee.com/costinchen/shim
 * [new branch]      15.7       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cafd8e add patch to support tpcm in shim