v

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name: VC gen
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on:
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  workflow_dispatch:
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  pull_request:
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    paths-ignore:
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      - '**.vv'
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      - '**.out'
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      - '**.md'
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      - '**.yml'
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      - '!**/gen_vc_ci.yml'
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      - 'cmd/tools/**'
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      - '!cmd/tools/builders/**.v'
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  push:
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    paths-ignore:
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      - '**.vv'
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      - '**.out'
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      - '**.md'
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      - '**.yml'
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      - '!**/gen_vc_ci.yml'
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      - 'cmd/tools/**'
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      - '!cmd/tools/builders/**.v'
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# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
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# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
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concurrency:
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  group: ${{ github.workflow }}-${{ github.ref }}
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  cancel-in-progress: ${{ !contains(github.ref, 'master')}}
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jobs:
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  build-vc:
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    runs-on: ubuntu-latest
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    steps:
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      - uses: actions/checkout@v4
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      - name: Build V
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        run: make -j4
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      - name: Regenerate v.c and v_win.c
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        run: |
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          git config --global user.email "vlang-bot@users.noreply.github.com"
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          git config --global user.name "vlang-bot"
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          COMMIT_HASH=$(git rev-parse --short HEAD)
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          COMMIT_MSG=$(git log -1 --oneline --pretty='%s' HEAD)
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          rm -rf vc
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          ./v retry -- git clone --depth=1 \
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            https://vlang-bot:${{ secrets.VLANG_BOT_SECRET }}@github.com/vlang/vc.git
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          rm -rf vc/v.c vc/v_win.c
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          ./v -o vc/v.c     -cross               cmd/v
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          ./v -o vc/v_win.c -os windows -cc msvc cmd/v
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          sed -i "1s/^/#define V_COMMIT_HASH \"$COMMIT_HASH\"\n/" vc/v.c
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          sed -i "1s/^/#define V_COMMIT_HASH \"$COMMIT_HASH\"\n/" vc/v_win.c
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          # do some sanity checks for the generated v.c file:
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          grep 'Turned ON custom defines: no_backtrace,cross'  vc/v.c
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          grep '#define CUSTOM_DEFINE_cross' vc/v.c
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          # ensure the C files are over 5000 lines long, as a safety measure
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          [ $(wc -l < vc/v.c) -gt 5000 ]
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          [ $(wc -l < vc/v_win.c) -gt 5000 ]
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          git -C vc add v.c v_win.c
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          git -C vc commit -m "[v:master] $COMMIT_HASH - $COMMIT_MSG"
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          # in case there are recent commits:
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          ./v retry -- git -C vc pull --rebase origin master
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          git -C vc log -3
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      - name: Deploy
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        if: github.event_name == 'push' && github.repository == 'vlang/v' && github.ref == 'refs/heads/master'
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        run: git -C vc push || true
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