$ git clone -n https://gitee.com/fundawang/composer.git /var/lib/mock/dist-an23-build-314459-67535/root/chroot_tmpdir/scmroot/composer
Cloning into '/var/lib/mock/dist-an23-build-314459-67535/root/chroot_tmpdir/scmroot/composer'...
$ git fetch origin a1e50d2ba2dbd7cc694535e85c33b11f496bfddc:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/composer
 * [new ref]         a1e50d2ba2dbd7cc694535e85c33b11f496bfddc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1e50d2 2.6.5