$ git clone -n https://github.com/xcp-ng-rpms/openssl-compat-10.git /var/lib/mock/v8.3-u-pcoval2-10544-29101/root/chroot_tmpdir/scmroot/openssl-compat-10
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10544-29101/root/chroot_tmpdir/scmroot/openssl-compat-10'...
$ git fetch origin caa973eddc13f4f44f56ff09dcf2db30014eb9b3:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/openssl-compat-10
 * [new ref]         caa973eddc13f4f44f56ff09dcf2db30014eb9b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at caa973e bump release for test build