$ git clone -n https://gitee.com/wency_cn/oniguruma_1764794389.git /var/lib/mock/dist-an23-build-491260-74530/root/chroot_tmpdir/scmroot/oniguruma_1764794389
Cloning into '/var/lib/mock/dist-an23-build-491260-74530/root/chroot_tmpdir/scmroot/oniguruma_1764794389'...
$ git fetch origin 990050c97f00363fece08094804a7b01c85f8dc6:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/oniguruma_1764794389
 * [new ref]         990050c97f00363fece08094804a7b01c85f8dc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 990050c Update code from upstream