$ git clone -n https://gitee.com/wenyuzifang/gi-docgen.git /var/lib/mock/dist-an23-build-469789-74027/root/chroot_tmpdir/scmroot/gi-docgen
Cloning into '/var/lib/mock/dist-an23-build-469789-74027/root/chroot_tmpdir/scmroot/gi-docgen'...
$ git fetch origin 49f2c4a1f7a88ddfab4ec0c631eae75c80b2f2cd:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/gi-docgen
 * [new ref]         49f2c4a1f7a88ddfab4ec0c631eae75c80b2f2cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49f2c4a Update code from upstream