$ git clone -n https://github.com/xcp-ng-rpms/cmake3.git /var/lib/mock/v8.3-u-pcoval2-10449-29011/root/chroot_tmpdir/scmroot/cmake3
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10449-29011/root/chroot_tmpdir/scmroot/cmake3'...
$ git fetch origin ed3a485d65982da992ea8f336ba4a3f3060063d9:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/cmake3
 * [new ref]         ed3a485d65982da992ea8f336ba4a3f3060063d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed3a485 bump release for test build