docs(contest2026): add --git-lfs flag to repo init command in contest docs - #644
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… docs The libs_openvela_vela repo stores prebuilt libraries (e.g. libgui_wrapper.a, ~197MB each, 5 files totaling ~708MB) via Git LFS. Without the --git-lfs flag, repo disables LFS smudge (filter.lfs.smudge=--skip) and only fetches 134-byte pointer files, causing link failures like 'libgui_wrapper.a' missing during build. The quickstart guide already includes --git-lfs; align the contest submission guide and contest overview with it. Signed-off-by: v-yanxingyu <v-yanxingyu@xiaomi.com>
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Background
A contestant reported a build failure: after following the contest code submission guide (
repo init+repo sync), compilation failed withlibgui_wrapper.amissing / link error.Root cause: The
libs_openvela_velarepository (manifest entryvendor/openvela/boards/vela/libs) hosts 5 prebuilt libraries (libgui_wrapper.ax3,libquickapp.ax2, ~708MB total) via Git LFS. Whenrepo initis run without--git-lfs, repo writesfilter.lfs.smudge=git-lfs smudge --skipinto each project, so LFS files are checked out as 134-byte pointer files instead of the real binaries -> link failure.The quickstart guide (
zh-cn/quickstart/openvela_ubuntu_quick_start.md) already includes--git-lfsin itsrepo initcommand, but the contest submission guide and contest overview omitted it, so contestants following the contest docs hit the issue.Changes
zh-cn/contest_2026/code_submission_guide.md--git-lfsflag to therepo initcommandzh-cn/contest_2026/contest_overview.md--git-lfsflag and whyVerification
libs_openvela_vela.gitattributesconfirms the 5 files are LFS-tracked (verified locally)git lfs pullprints no output but does download (708MB @ ~90KB/s takes 1-2 hours)