#!/bin/sh

GITHUB_REPOSITORY=${GITHUB_REPOSITORY:-nodejs/node}

BOT_TOKEN=${BOT_TOKEN:-}

RELEASE_DATE=$1

RELEASE_LINE=$2

RELEASER=$3

if [ -z "$RELEASE_DATE" ] || [ -z "$RELEASE_LINE" ]; then

echo "Usage: $0 <RELEASE_DATE> <RELEASE_LINE>"

exit 1

fi

if [ -z "$GITHUB_REPOSITORY" ] || [ -z "$BOT_TOKEN" ]; then

echo "Invalid value in env for GITHUB_REPOSITORY and BOT_TOKEN"

exit 1

fi

HAS_MISSING_DEPS=

for dep in node gh git git-node awk; do

command -v "$dep" > /dev/null || {

echo "Required dependency $dep is missing" >&2

HAS_MISSING_DEPS=1

}

done

[ -z "$HAS_MISSING_DEPS" ] || exit 1

set -xe

git node release --prepare --skipBranchDiff --yes --releaseDate "$RELEASE_DATE"

HEAD_BRANCH="$(git rev-parse --abbrev-ref HEAD)"

HEAD_SHA="$(git rev-parse HEAD^)"

TITLE="$(git log -1 --format=%s)"

TEMP_BODY="$(awk -v MAX_BODY_LENGTH="65536" \

"/^## ${RELEASE_DATE}/,/^<a id=/{ if (/^<a id=/) {exit;} if ((output_length += length(\$0)) > MAX_BODY_LENGTH) {exit 1;} print }" \

"doc/changelogs/CHANGELOG_V${RELEASE_LINE}.md" || echo "…")"

# Create the proposal branch

gh api \

--method POST \

-H "Accept: application/vnd.github+json" \

-H "X-GitHub-Api-Version: 2022-11-28" \

"/repos/${GITHUB_REPOSITORY}/git/refs" \

-f "ref=refs/heads/$HEAD_BRANCH" -f "sha=$HEAD_SHA"

# Create the proposal PR

PR_URL="$(gh api \

--method POST \

--jq .html_url \

-H "Accept: application/vnd.github+json" \

-H "X-GitHub-Api-Version: 2022-11-28" \

"/repos/${GITHUB_REPOSITORY}/pulls" \

-f "title=$TITLE" -f "body=$TEMP_BODY" -f "head=$HEAD_BRANCH" -f "base=v$RELEASE_LINE.x" -f draft=true)"

# Push the release commit to the proposal branch using `BOT_TOKEN` from the env

node --input-type=module - \

"$GITHUB_REPOSITORY" \

"$HEAD_BRANCH" \

"$HEAD_SHA" \

"$TITLE" \

"$(git log -1 HEAD --format=%b | awk -v PR_URL="$PR_URL" '{sub(/^PR-URL: TODO$/, "PR-URL: " PR_URL)} 1' || true)" \

"$(git show HEAD --diff-filter=d --name-only --format= || true)" \

"$(git show HEAD --diff-filter=D --name-only --format= || true)" \

<<'EOF'

const [,,

repo,

branch,

parentCommitSha,

commit_title,

commit_body,

modifiedOrAddedFiles,

deletedFiles,

] = process.argv;

import { readFileSync } from 'node:fs';

import util from 'node:util';

const query = `

mutation ($repo: String! $branch: String!, $parentCommitSha: GitObjectID!, $changes: FileChanges!, $commit_title: String!, $commit_body: String) {

createCommitOnBranch(input: {

branch: {

repositoryNameWithOwner: $repo,

branchName: $branch

},

message: {

headline: $commit_title,

body: $commit_body

},

expectedHeadOid: $parentCommitSha,

fileChanges: $changes

}) {

commit {

url

}

}

}

`;

const response = await fetch('https://api.github.com/graphql', {

method: 'POST',

headers: {

'Authorization': `bearer ${process.env.BOT_TOKEN}`,

},

body: JSON.stringify({

query,

variables: {

repo,

branch,

parentCommitSha,

commit_title,

commit_body,

changes: {

additions: modifiedOrAddedFiles.split('\n').filter(Boolean)

.map(path => ({ path, contents: readFileSync(path).toString('base64') })),

deletions: deletedFiles.split('\n').filter(Boolean),

}

},

})

});

if (!response.ok) {

console.log({statusCode: response.status, statusText: response.statusText});

process.exitCode ||= 1;

}

const data = await response.json();

if (data.errors?.length) {

throw new Error('Endpoint returned an error', { cause: data });

}

console.log(util.inspect(data, { depth: Infinity }));

EOF

gh pr edit "$PR_URL" --add-label release --add-label "v$RELEASE_LINE.x" --add-assignee "$RELEASER"