$ git clone -n https://gitee.com/wenyuzifang/glslang.git /var/lib/mock/dist-an23-build-450687-73460/root/chroot_tmpdir/scmroot/glslang
Cloning into '/var/lib/mock/dist-an23-build-450687-73460/root/chroot_tmpdir/scmroot/glslang'...
$ git fetch origin 34b6199c3d11f7dc699cc3150ac5545d6739fd86:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/glslang
 * [new ref]         34b6199c3d11f7dc699cc3150ac5545d6739fd86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34b6199 update glslang.spec.