$ git clone -n https://gitee.com/mgb01105731/poppler_2.git /var/lib/mock/dist-an23-build-444643-73188/root/chroot_tmpdir/scmroot/poppler_2
Cloning into '/var/lib/mock/dist-an23-build-444643-73188/root/chroot_tmpdir/scmroot/poppler_2'...
$ git fetch origin e78cd0998f048c0872a4a146ad94bb40de03d6bc:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/poppler_2
 * [new ref]         e78cd0998f048c0872a4a146ad94bb40de03d6bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e78cd09 use upstream tar