$ git clone -n https://github.com/xcp-ng-rpms/openssl-compat-10.git /var/lib/mock/v8.3-u-pcoval2-10372-28934/root/chroot_tmpdir/scmroot/openssl-compat-10
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10372-28934/root/chroot_tmpdir/scmroot/openssl-compat-10'...
$ git fetch origin 67344ca3fb286c6a3ac3d6ac93f76b206d812b58:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/openssl-compat-10
 * [new ref]         67344ca3fb286c6a3ac3d6ac93f76b206d812b58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67344ca bump release for test build