feat: Measure.count s = 0 ↔ s = ∅ unconditionally (#19287)
#12121
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| # DO NOT EDIT THIS FILE!!! | |
| # This file is automatically generated by mk_build_yml.sh | |
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| # .github/workflows/mk_build_yml.sh to update. | |
| # Forks of mathlib and other projects should be able to use build_fork.yml directly | |
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| on: | |
| push: | |
| branches: | |
| - staging | |
| name: continuous integration (staging) | |
| jobs: | |
| # Cancels previous runs of jobs in this file | |
| cancel: | |
| if: github.repository == 'leanprover-community/mathlib4' | |
| name: 'Cancel Previous Runs (CI)' | |
| runs-on: ubuntu-latest | |
| # timeout-minutes: 3 | |
| steps: | |
| - uses: styfle/cancel-workflow-action@0.12.1 | |
| with: | |
| all_but_latest: true | |
| access_token: ${{ github.token }} | |
| style_lint: | |
| if: github.repository == 'leanprover-community/mathlib4' | |
| name: Lint style | |
| runs-on: bors | |
| steps: | |
| - name: cleanup | |
| run: | | |
| find . -name . -o -prune -exec rm -rf -- {} + | |
| - uses: actions/checkout@v4 | |
| # Run the case checker action | |
| - name: Check Case Sensitivity | |
| uses: credfeto/action-case-checker@v1.3.0 | |
| - name: Look for ignored files | |
| uses: credfeto/action-no-ignored-files@v1.2.0 | |
| - name: "Check for Lean files with the executable bit set" | |
| shell: bash | |
| run: | | |
| executable_files="$(find . -name '*.lean' -type f \( -perm -u=x -o -perm -g=x -o -perm -o=x \))" | |
| if [[ -n "$executable_files" ]] | |
| then | |
| echo "ERROR: The following Lean files have the executable bit set." | |
| echo "$executable_files" | |
| exit 1 | |
| fi | |
| - name: install Python | |
| if: ${{ 'bors' == 'ubuntu-latest' }} | |
| uses: actions/setup-python@v5 | |
| with: | |
| python-version: 3.8 | |
| - name: install elan | |
| run: | | |
| set -o pipefail | |
| curl -sSfL https://github.com/leanprover/elan/releases/download/v3.1.1/elan-x86_64-unknown-linux-gnu.tar.gz | tar xz | |
| ./elan-init -y --default-toolchain none | |
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| run: | | |
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| if: ${{ 'bors' == 'ubuntu-latest' }} | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y bibtool | |
| - name: lint references.bib | |
| run: | | |
| ./scripts/lint-bib.sh | |
| build: | |
| if: github.repository == 'leanprover-community/mathlib4' | |
| name: Build | |
| runs-on: bors | |
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| # The Hoskinson runners may not have jq installed, so do that now. | |
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| curl -sSfL https://github.com/leanprover/elan/releases/download/v3.1.1/elan-x86_64-unknown-linux-gnu.tar.gz | tar xz | |
| ./elan-init -y --default-toolchain none | |
| echo "$HOME/.elan/bin" >> "${GITHUB_PATH}" | |
| - uses: actions/checkout@v4 | |
| - name: If using a lean-pr-release toolchain, uninstall | |
| run: | | |
| if [[ $(cat lean-toolchain) =~ ^leanprover/lean4-pr-releases:pr-release-[0-9]+$ ]]; then | |
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| elan toolchain uninstall "$(cat lean-toolchain)" | |
| fi | |
| - name: print lean and lake versions | |
| run: | | |
| lean --version | |
| lake --version | |
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| run: | | |
| lake build cache | |
| - name: prune ProofWidgets .lake | |
| run: | | |
| # The ProofWidgets release contains not just the `.js` (which we need in order to build) | |
| # but also `.oleans`, which may have been built with the wrong toolchain. | |
| # This removes them. | |
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| - name: get cache | |
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| run: | | |
| rm -rf .lake/build/lib/Mathlib/ | |
| # Fail quickly if the cache is completely cold, by checking for Mathlib.Init | |
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| - name: build mathlib | |
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| if: ${{ always() && steps.get.outcome == 'success' }} | |
| run: | | |
| # TODO: this is not doing anything currently, and needs to be integrated with put-unpacked | |
| # lake exe cache commit || true | |
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| lake exe cache put-unpacked | |
| env: | |
| MATHLIB_CACHE_SAS: ${{ secrets.MATHLIB_CACHE_SAS }} | |
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| # the cache mechanism is unreliable, so we don't test it if we are on such a branch. | |
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| lake exe cache clean! | |
| rm -rf .lake/build/lib/Mathlib | |
| lake exe cache get || (sleep 1; lake exe cache get) | |
| lake build --no-build | |
| fi | |
| - name: build archive | |
| id: archive | |
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| # We do this for now for the sake of not rebuilding them in every CI run | |
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| # it should be possible to determine whether they need to be built without actually | |
| # storing and transferring oleans over the network. | |
| # Hopefully a future re-implementation of `cache` will obviate the present need for this hack. | |
| lake exe cache get Archive.lean | |
| bash -o pipefail -c "env LEAN_ABORT_ON_PANIC=1 lake build Archive" | |
| lake exe cache put Archive.lean | |
| env: | |
| MATHLIB_CACHE_SAS: ${{ secrets.MATHLIB_CACHE_SAS }} | |
| MATHLIB_CACHE_S3_TOKEN: ${{ secrets.MATHLIB_CACHE_S3_TOKEN }} | |
| - name: build counterexamples | |
| id: counterexamples | |
| run: | | |
| lake exe cache get Counterexamples.lean | |
| bash -o pipefail -c "env LEAN_ABORT_ON_PANIC=1 lake build Counterexamples" | |
| lake exe cache put Counterexamples.lean | |
| env: | |
| MATHLIB_CACHE_SAS: ${{ secrets.MATHLIB_CACHE_SAS }} | |
| MATHLIB_CACHE_S3_TOKEN: ${{ secrets.MATHLIB_CACHE_S3_TOKEN }} | |
| - name: Check {Mathlib, Tactic, Counterexamples, Archive}.lean | |
| run: | | |
| if [ ${{ steps.mk_all.outputs.mk_all }} == "false" ] | |
| then | |
| echo "Please run 'lake exe mk_all' to regenerate the import all files" | |
| exit 1 | |
| fi | |
| - name: check for noisy stdout lines | |
| id: noisy | |
| run: | | |
| buildMsgs="$( | |
| ## we exploit `lake`s replay feature: since the cache is present, running | |
| ## `lake build` will reproduce all the outputs without having to recompute | |
| lake build Mathlib Archive Counterexamples | | |
| ## we filter out the output lines that begin with `✔ [xx/yy]`, where xx, yy | |
| ## are either numbers or ?, and the "Build completed successfully." message. | |
| ## We keep the rest, which are actual outputs of the files | |
| awk '!($0 ~ "^\\s*✔ \\[[?0-9]*/[?0-9]*\\]" || $0 == "Build completed successfully."){ print $0 }')" | |
| if [ -n "${buildMsgs}" ] | |
| then | |
| printf $'%s\n' "${buildMsgs}" | |
| exit 1 | |
| fi | |
| - name: check declarations in db files | |
| run: | | |
| python3 scripts/yaml_check.py docs/100.yaml docs/overview.yaml docs/undergrad.yaml | |
| lake exe check-yaml | |
| - name: generate our import graph | |
| run: lake exe graph | |
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| uses: actions/upload-artifact@v4 | |
| with: | |
| name: import-graph | |
| path: import_graph.dot | |
| ## the default is 90, but we build often, so unless there's a reason | |
| ## to care about old copies in the future, just say 7 days for now | |
| retention-days: 7 | |
| - name: clean up the import graph file | |
| run: rm import_graph.dot | |
| - name: build everything | |
| # make sure everything is available for test/import_all.lean | |
| run: | | |
| lake build Batteries Qq Aesop ProofWidgets Plausible | |
| - name: test mathlib | |
| id: test | |
| uses: liskin/gh-problem-matcher-wrap@v3 | |
| with: | |
| linters: gcc | |
| run: | |
| lake --iofail test | |
| - name: check for unused imports | |
| id: shake | |
| uses: liskin/gh-problem-matcher-wrap@v3 | |
| with: | |
| linters: gcc | |
| run: env LEAN_ABORT_ON_PANIC=1 lake exe shake --gh-style | |
| - name: lint mathlib | |
| if: ${{ always() && steps.build.outcome == 'success' || steps.build.outcome == 'failure' }} | |
| id: lint | |
| uses: liskin/gh-problem-matcher-wrap@v3 | |
| with: | |
| linters: gcc | |
| run: env LEAN_ABORT_ON_PANIC=1 lake exe runLinter Mathlib | |
| # We no longer run `lean4checker` in regular CI, as it is quite expensive for little benefit. | |
| # Instead we run it in a cron job on master: see `lean4checker.yml`. | |
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| if: always() | |
| env: | |
| TOKEN: ${{ secrets.LEAN_PR_TESTING }} | |
| GITHUB_CONTEXT: ${{ toJson(github) }} | |
| WORKFLOW_URL: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }} | |
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| NOISY_OUTCOME: ${{ steps.noisy.outcome }} | |
| ARCHIVE_OUTCOME: ${{ steps.archive.outcome }} | |
| COUNTEREXAMPLES_OUTCOME: ${{ steps.counterexamples.outcome }} | |
| LINT_OUTCOME: ${{ steps.lint.outcome }} | |
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| run: | | |
| scripts/lean-pr-testing-comments.sh lean | |
| scripts/lean-pr-testing-comments.sh batteries | |
| - name: build lean4checker, but don't run it | |
| if: ${{ (always() && steps.build.outcome == 'success' || steps.build.outcome == 'failure') && contains(github.event.pull_request.changed_files, 'lean-toolchain') }} | |
| run: | | |
| git clone https://github.com/leanprover/lean4checker | |
| cd lean4checker | |
| # Read lean-toolchain file and checkout appropriate branch | |
| TOOLCHAIN=$(cat ../lean-toolchain) | |
| if [[ "$TOOLCHAIN" =~ ^leanprover/lean4:v ]]; then | |
| VERSION=${TOOLCHAIN#leanprover/lean4:} | |
| git checkout "$VERSION" | |
| else | |
| git checkout master | |
| fi | |
| # Build lean4checker using the same toolchain | |
| cp ../lean-toolchain . | |
| lake build | |
| final: | |
| name: Post-CI job | |
| if: github.repository == 'leanprover-community/mathlib4' | |
| needs: [style_lint, build] | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - id: PR | |
| uses: 8BitJonny/gh-get-current-pr@3.0.0 | |
| # TODO: this may not work properly if the same commit is pushed to multiple branches: | |
| # https://github.com/8BitJonny/gh-get-current-pr/issues/8 | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| # Only return if PR is still open | |
| filterOutClosed: true | |
| - id: remove_labels | |
| name: Remove "awaiting-CI" | |
| # we use curl rather than octokit/request-action so that the job won't fail | |
| # (and send an annoying email) if the labels don't exist | |
| run: | | |
| curl --request DELETE \ | |
| --url https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.PR.outputs.number }}/labels/awaiting-CI \ | |
| --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' | |
| - if: contains(steps.PR.outputs.pr_labels, 'auto-merge-after-CI') | |
| name: If `auto-merge-after-CI` is present, add a `bors merge` comment. | |
| uses: GrantBirki/comment@v2 | |
| with: | |
| token: ${{ secrets.AUTO_MERGE_TOKEN }} | |
| issue-number: ${{ steps.PR.outputs.number }} | |
| body: | | |
| As this PR is labelled `auto-merge-after-CI`, we are now sending it to bors: | |
| bors merge |