$ git clone -n https://gitee.com/fundawang/nghttp2.git /var/lib/mock/dist-an23-build-286960-64835/root/chroot_tmpdir/scmroot/nghttp2
Cloning into '/var/lib/mock/dist-an23-build-286960-64835/root/chroot_tmpdir/scmroot/nghttp2'...
$ git fetch origin 45918b6897913d8e39dc36147e234c4e0d6d614e:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/nghttp2
 * [new ref]         45918b6897913d8e39dc36147e234c4e0d6d614e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45918b6 1.55.1