$ git clone -n https://gitee.com/opencloudos-stream/vulkan-loader.git /var/lib/mock/dist-ocs23-build-243474-22864/root/chroot_tmpdir/scmroot/vulkan-loader
Cloning into '/var/lib/mock/dist-ocs23-build-243474-22864/root/chroot_tmpdir/scmroot/vulkan-loader'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/vulkan-loader
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81c2a1d Rebuilt for loongarch release