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Github action for emscripten nightly builds
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‎.github/workflows/nightly-emscripten.yml

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name: Emscripten nightly build + solc-bin push
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on:
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schedule:
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# Run once a day, at midnight
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- cron: '0 0 * * *'
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env:
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TARGET_BRANCH: master
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COMMITTER_NAME: pull-soljson action
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COMMITTER_EMAIL: builds@ethereum.org
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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jobs:
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build-emscripten-nightly:
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runs-on: ubuntu-latest
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outputs:
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nightly-version: ${{ env.NIGHTLY_VERSION }}
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matching-nightlies-in-the-repo: ${{ env.MATCHING_NIGHTLIES_IN_THE_REPO }}
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steps:
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- uses: actions/checkout@v2
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with:
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repository: 'ethereum/solidity'
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ref: 'develop'
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path: 'solidity/'
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- name: Clone solc-bin repository without checking out a working copy
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run: |
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git clone --no-checkout --branch "$TARGET_BRANCH" "https://github.com/${GITHUB_REPOSITORY}.git" solc-bin/
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# For some reason git stages all files for deletion when you use --no-checkout
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cd solc-bin/
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git reset HEAD --quiet
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- name: Check if there's already a nightly with the same date or commit ID
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run: |
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cd solidity/
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solidity_version=$("scripts/get_version.sh")
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last_commit_timestamp=$(git log -1 --date=iso --format=%ad HEAD)
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last_commit_date=$(date --date="$last_commit_timestamp" --utc +%Y.%-m.%-d)
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last_commit_hash=$(git rev-parse --short=8 HEAD)
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cd ../solc-bin/
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matching_nightlies_in_the_repo="$(
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git ls-files "bin/soljson-v${solidity_version}-nightly.${last_commit_date}+commit.*.js";
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git ls-files "bin/soljson-v${solidity_version}-nightly.*+commit.${last_commit_hash}.js"
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)"
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nightly_version="v${solidity_version}-nightly.${last_commit_date}+commit.${last_commit_hash}"
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echo "::set-env name=NIGHTLY_VERSION::${nightly_version}"
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echo "::set-env name=MATCHING_NIGHTLIES_IN_THE_REPO::${matching_nightlies_in_the_repo}"
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- name: Build soljson.js
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if: "!env.MATCHING_NIGHTLIES_IN_THE_REPO"
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run: |
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cd solidity/
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# Note that this script will spawn and build inside a docker image (which works just fine in github actions).
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scripts/build_emscripten.sh
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- name: Upload soljson.js as an artifact
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if: "!env.MATCHING_NIGHTLIES_IN_THE_REPO"
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uses: actions/upload-artifact@v2
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with:
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name: soljson.js
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path: solidity/upload/soljson.js
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add-nightly-and-push:
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runs-on: ubuntu-latest
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needs: build-emscripten-nightly
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env:
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NIGHTLY_VERSION: ${{ needs.build-emscripten-nightly.outputs.nightly-version }}
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if: "!needs.build-emscripten-nightly.outputs.matching-nightlies-in-the-repo"
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steps:
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- uses: actions/checkout@v2
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with:
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ref: ${{ env.TARGET_BRANCH }}
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path: 'solc-bin'
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- name: Download soljson.js artifact
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uses: actions/download-artifact@v2
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with:
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name: soljson.js
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- name: Set committer name and e-mail
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run: |
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cd solc-bin/
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git config --local user.name "$COMMITTER_NAME"
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git config --local user.email "$COMMITTER_EMAIL"
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- name: Run add-nightly-and-push.sh
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run: |
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cd solc-bin/
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./add-nightly-and-push.sh ../soljson.js "$NIGHTLY_VERSION"

‎add-nightly-and-push.sh

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#!/usr/bin/env bash
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#------------------------------------------------------------------------------
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# Adds a nightly binary to a local checkout of solc-bin repository, updates
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# file lists, commits and pushes the changes to the remote repository.
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#
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# The script expects to find the working copy in its working directory with
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# the right branch already checked out and all the details necessary to make
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# a commit and push it (committer name, `origin` remote, etc.) configured.
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#
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# The script fails if the specified version is already present in the
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# repository.
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#------------------------------------------------------------------------------
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set -e
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nightly_binary="$1"
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nightly_version="$2"
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if [[ $# != 2 ]]; then
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>&2 echo "ERROR: Expected exactly 2 parameters."
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exit 1
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fi
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if [[ $(git status --porcelain) != "" ]]; then
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>&2 git status
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>&2 echo
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>&2 echo "ERROR: Uncommitted and/or untracked files present. This script must be executed in a clean working copy of the repository."
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exit 1
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fi
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echo "Adding bin/soljson-${nightly_version}.js"
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cp --no-clobber "$nightly_binary" "bin/soljson-${nightly_version}.js"
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# Stage the new nightly before running the list update to be able to detect any unintended changes caused by the script.
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git add --verbose "bin/soljson-$nightly_version.js"
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npm config set package-lock false
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npm install
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npm run update
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rm -r node_modules/
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git add --verbose bin/soljson-nightly.js
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git add --verbose bin/list.*
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git commit --message "Nightly build ${nightly_version}"
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if [[ $(git status --porcelain) != "" ]]; then
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>&2 git status
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>&2 echo
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>&2 echo "ERROR: Unexpected file modifications found. This should never happen and might be the result of a bug."
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exit 1
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fi
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git push origin HEAD

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