$ git clone -n https://gitee.com/lzq11122/poppler.git /var/lib/mock/dist-an23-build-561514-91066/root/chroot_tmpdir/scmroot/poppler
Cloning into '/var/lib/mock/dist-an23-build-561514-91066/root/chroot_tmpdir/scmroot/poppler'...
$ git fetch origin 61f77ab42dc74be2be0fff9f5ead90e38d2a7fa2:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/poppler
 * [new ref]         61f77ab42dc74be2be0fff9f5ead90e38d2a7fa2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61f77ab test