$ git clone -n https://github.com/xcp-ng-rpms/socat.git /var/lib/mock/v8.3-u-pcoval2-10563-29119/root/chroot_tmpdir/scmroot/socat
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10563-29119/root/chroot_tmpdir/scmroot/socat'...
$ git fetch origin d22f6337ba2070833e4dd1156f5e15f4822dcfa9:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/socat
 * [new ref]         d22f6337ba2070833e4dd1156f5e15f4822dcfa9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d22f633 bump release for test build