$ git clone -n https://gitee.com/renbo02/rubygem-pg.git /var/lib/mock/dist-an8.9-build-337489-69709/root/chroot_tmpdir/scmroot/rubygem-pg
Cloning into '/var/lib/mock/dist-an8.9-build-337489-69709/root/chroot_tmpdir/scmroot/rubygem-pg'...
$ git fetch origin d89be5a717f9964b120eeaa20f61462de040e63e:KOJI_FETCH_HEAD
From https://gitee.com/renbo02/rubygem-pg
 * [new ref]         d89be5a717f9964b120eeaa20f61462de040e63e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d89be5a build: changed the way how/when parameters are interpret