$ git clone -n https://gitee.com/mgb01105731/python-greenlet.git /var/lib/mock/dist-an23-build-441159-73164/root/chroot_tmpdir/scmroot/python-greenlet
Cloning into '/var/lib/mock/dist-an23-build-441159-73164/root/chroot_tmpdir/scmroot/python-greenlet'...
$ git fetch origin 2d8f626a5e3599404957c1a4a797a11852e381ba:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/python-greenlet
 * [new ref]         2d8f626a5e3599404957c1a4a797a11852e381ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d8f626 use upstream tar