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Merge pull request #147 from p-costa/add_twitter_ci
add CI for publishing on the fortran-lang twitter account upon merging a certain PR
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‎.github/workflows/gen_tweet.yaml

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name: twitter bot
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# runs on issues that have been created
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on:
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issue_comment:
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types: [created]
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# setup environment variables
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env:
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TWEET_KEYWORD: '__[tweet]__'
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UNTWEET_EDIT_COMMENT_KEYWORD: '__[tweet withdrawn]__'
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TWEET_MAX_CHAR: 280
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TWITTER_HANDLE: fortranlang
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TWITTER_URL: https://twitter.com/fortranlang
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jobs:
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# withdraws the tweet CI comment
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untweet:
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runs-on: ubuntu-latest
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if: github.event.issue.pull_request && startsWith(github.event.comment.body,'#untweet')
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steps:
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- name: find the tweet comment matching the keyword env.TWEET_KEYWORD
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uses: peter-evans/find-comment@v1
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id: fc
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with:
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issue-number: ${{github.event.issue.number}}
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comment-author: github-actions[bot]
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body-includes: ${{env.TWEET_KEYWORD}}
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# - run: echo ${{steps.fc.outputs.comment-id}}
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- name: if tweet CI comment is found, replace CI comment to undo it
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if: ${{steps.fc.outputs.comment-id != null}}
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uses: peter-evans/create-or-update-comment@v1
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with:
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comment-id: ${{steps.fc.outputs.comment-id}}
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edit-mode: replace
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body: |
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${{env.UNTWEET_EDIT_COMMENT_KEYWORD}}
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- name: fetch comment url
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if: ${{steps.fc.outputs.comment-id != null}}
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id: get-comment-url
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run: |
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echo ::set-output name=comment-url::$(echo "${{github.event.issue.pull_request.url}}\#issuecomment-${{steps.fc.outputs.comment-id}}" | sed 's/api\.//; s/repos\///; s/pulls/pull/')
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- name: if tweet CI comment found, report it in a new comment
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if: ${{steps.fc.outputs.comment-id != null}}
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uses: peter-evans/create-or-update-comment@v1
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with:
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issue-number: ${{github.event.issue.number}}
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body: |
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${{env.UNTWEET_KEYWORD}} removed previous tweet [above](${{steps.get-comment-url.outputs.comment-url}}).
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# writes a tweet CI comment
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tweet:
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runs-on: ubuntu-latest
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if: github.event.issue.pull_request && startsWith(github.event.comment.body,'#tweet')
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steps:
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- name: search for a previous tweet CI comment matching the keyword env.TWEET_KEYWORD
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uses: peter-evans/find-comment@v1
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id: fc
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with:
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issue-number: ${{github.event.issue.number}}
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comment-author: github-actions[bot]
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body-includes: ${{env.TWEET_KEYWORD}}
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# - run: echo ${{steps.fc.outputs.comment-id}}
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- name: if tweet CI comment is found, replace CI comment to undo it
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if: ${{steps.fc.outputs.comment-id != null}}
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uses: peter-evans/create-or-update-comment@v1
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with:
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comment-id: ${{steps.fc.outputs.comment-id}}
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edit-mode: replace
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body: |
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${{env.UNTWEET_EDIT_COMMENT_KEYWORD}}
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# - name: fetch comment url
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# if: ${{steps.fc.outputs.comment-id != null}}
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# id: get-comment-url
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# run: |
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# echo ::set-output name=comment-url::$(echo "${{github.event.issue.pull_request.url}}\#issuecomment-${{steps.fc.outputs.comment-id}}" | sed 's/api\.//; s/repos\///')
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# - name: if tweet CI comment is found, report it in a new comment
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# if: ${{steps.fc.outputs.comment-id != null}}
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# uses: peter-evans/create-or-update-comment@v1
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# with:
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# issue-number: ${{github.event.issue.number}}
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# body: |
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# ${{env.UNTWEET_KEYWORD}} removed previous tweet [above](${{steps.get-comment-url.outputs.comment-url}}).
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- name: extract the new tweet message
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id: get-comment-body
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run: |
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body=$(echo "${{github.event.comment.body}}" | sed '1 s/#tweet//' | sed '1 s/ //')
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echo ::set-output name=tweet_length::$(echo $body | tr -d '\n\r%' | wc -c)
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body_quote=$(echo $body | sed 's/^/> /')
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# escape string content to preserve new lines
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# (see example in https://github.com/peter-evans/create-or-update-comment)
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body="${body//'%'/'%25'}"
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body="${body//$'\n'/'%0A'}"
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body="${body//$'\r'/'%0D'}"
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body_quote="${body_quote//'%'/'%25'}"
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body_quote="${body_quote//$'\n'/'%0A'}"
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body_quote="${body_quote//$'\r'/'%0D'}"
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echo ::set-output name=body::$body
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echo ::set-output name=body_quote::$body_quote
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- name: print new tweet CI message in a new comment
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uses: peter-evans/create-or-update-comment@v1
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with:
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issue-number: ${{github.event.issue.number}}
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body: |
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${{env.TWEET_KEYWORD}} the following message will be tweeted in [@${{env.TWITTER_HANDLE}}](${{env.TWITTER_URL}}) after this PR is merged (character count: ${{steps.get-comment-body.outputs.tweet_length}}/${{env.TWEET_MAX_CHAR}}):
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${{steps.get-comment-body.outputs.body_quote}}

‎.github/workflows/send_tweet.yaml

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name: send a tweet if PR is merged (and there is a tweet to be sent)
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on:
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pull_request:
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types: [closed]
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env:
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TWEET_KEYWORD: '__[tweet]__'
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TWEET_SENT_KEYWORD: '__[tweet sent]__'
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jobs:
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publish_tweet:
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runs-on: ubuntu-latest
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if: github.event.pull_request.merged
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steps:
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- name: find the tweet comment matching the keyword env.TWEET_KEYWORD
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uses: peter-evans/find-comment@v1
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id: fc
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with:
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issue-number: ${{github.event.pull_request.number}}
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comment-author: github-actions[bot]
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body-includes: ${{env.TWEET_KEYWORD}}
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- name: if tweet CI comment is found, extract tweet from comment body
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id: extract-tweet
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if: ${{steps.fc.outputs.comment-id != null}}
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run: |
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body=$(echo "${{steps.fc.outputs.comment-body}}" | sed '1d' | sed 's/> //')
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# escape file content to preserve new lines
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# (see example in https://github.com/peter-evans/create-or-update-comment)
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body="${body//'%'/'%25'}"
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body="${body//$'\n'/'%0A'}"
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body="${body//$'\r'/'%0D'}"
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echo ::set-output name=body::$body
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- name: tweet the message
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if: ${{steps.fc.outputs.comment-id != null}}
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uses: ethomson/send-tweet-action@v1
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with:
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status: ${{steps.extract-tweet.outputs.body}}
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consumer-key: ${{secrets.TWITTER_API_KEY}}
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consumer-secret: ${{secrets.TWITTER_API_SECRET_KEY}}
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access-token: ${{secrets.TWITTER_ACCESS_TOKEN}}
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access-token-secret: ${{secrets.TWITTER_ACCESS_TOKEN_SECRET}}
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- name: clear tweet keyword
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if: ${{steps.fc.outputs.comment-id != null}}
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uses: peter-evans/create-or-update-comment@v1
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with:
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comment-id: ${{steps.fc.outputs.comment-id}}
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edit-mode: replace
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body: ${{env.TWEET_SENT_KEYWORD}}

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