56 lines
2.4 KiB
Bash
56 lines
2.4 KiB
Bash
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# This script is meant to run on every new commit to master in CircleCI. If the commit comes from a PR, it will
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# check the PR associated with the commit for labels. If the label matches `docs*` it will be cherry-picked
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# to stable-website. If the label matches `backport/*`, it will be cherry-picked to the appropriate `release/*`
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# branch.
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# Requires $CIRCLE_PROJECT_USERNAME, $CIRCLE_PROJECT_REPONAME, and $CIRCLE_SHA1 from CircleCI
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#!/bin/bash
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# search for the PR labels applicable to the specified commit
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resp=$(curl -f -s "https://api.github.com/search/issues?q=repo:$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME+sha:$CIRCLE_SHA1")
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status="$?"
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if [[ "$status" -ne 0 ]]; then
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echo "The GitHub API returned $status which means it was probably rate limited."
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exit $status
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fi
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# get the count from the GitHub API to check if the commit matched a PR
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count=$(echo "$resp" | jq '.total_count')
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if [[ "$count" -eq 0 ]]; then
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echo "This commit was not associated with a PR"
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exit 0
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fi
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# If the API returned a non-zero count, we have found a PR with that commit so we find
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# the labels from the PR
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labels=$(echo "$resp" | jq --raw-output '.items[].labels[] | .name')
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status="$?"
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if [[ "$status" -ne 0 ]]; then
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pr_url=$(echo "$resp" | jq --raw-output '.items[].pull_request.url')
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echo "jq exited with $status when trying to find label names. Are there labels applied to the PR ($pr_url)?"
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# This can be a valid error but usually this means we do not have any labels so it doesn't signal
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# cherry-picking is possible. Exit 0 for now unless we run into cases where these failures are important.
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exit 0
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fi
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# loop through all labels on the PR
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for label in $labels; do
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git config --local user.email "hashicorp-ci@users.noreply.github.com"
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git config --local user.name "hashicorp-ci"
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echo "checking label: $label"
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# if the label matches docs*, it will attempt to cherry-pick to stable-website
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if [[ $label =~ docs* ]]; then
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echo "docs"
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git checkout stable-website || exit 1
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git cherry-pick $CIRCLE_SHA1 || exit 1
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git push origin stable-website
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# else if the label matches backport/*, it will attempt to cherry-pick to the release branch
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elif [[ $label =~ backport/* ]]; then
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echo "backporting to $label"
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branch="${label/backport/release}.x"
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git checkout $branch || exit 1
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git cherry-pick $CIRCLE_SHA1 || exit 1
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git push origin $branch
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fi
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done
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