Add release script (#667)

* Add release script and workflow

* remove comments

* changelog

.github/workflows/release.yml

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+on:
+  push:
+    tags: ["[0-9].[0-9].[0-9]"]
+
+jobs:
+  draft-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Get changelog
+        id: extract-changelog
+        env:
+          REF_NAME: ${{ github.ref_name }}
+        run: |
+          git fetch --tags --force
+          RELEASE_NAME="${REF_NAME} $(date +'%Y-%m-%d')"
+          git tag -l --format='%(contents:body)' "${REF_NAME}" > next-changelog.txt
+          echo "RELEASE_NAME=$RELEASE_NAME" >> $GITHUB_OUTPUT
+      - name: Create Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ github.ref }}
+          name: ${{ steps.extract-changelog.outputs.RELEASE_NAME }}
+          body_path: next-changelog.txt
+          draft: true
+          token: ${{ secrets.GITHUB_TOKEN }}

changelog.d/667.misc

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+Add release.sh script and release.yml workflow to make the release process easier.

scripts/release.sh

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+#!/bin/bash
+# This script will run towncrier to and generate a release commit, tag and push to the origin.
+
+if ! command -v jq &> /dev/null
+then
+    echo "You must install jq to use this script"
+    exit
+fi
+
+VERSION=`jq -r .version package.json`
+TAG="$VERSION"
+HEAD_BRANCH=`git remote show origin | sed -n '/HEAD branch/s/.*: //p'`
+REPO_NAME=`git remote show origin -n | grep -m 1 -oP '(?<[email protected]:)(.*)(?=.git)'`
+
+if [[ "`git branch --show-current`" != $HEAD_BRANCH ]]; then
+    echo "You must be on the develop branch to run this command."
+    exit 1
+fi
+
+if [ $(git tag -l "$TAG") ]; then
+    echo "Tag $TAG already exists, not continuing."
+    exit 1
+fi
+
+echo "Drafting a new release"
+towncrier build --draft --version $VERSION> draft-release.txt
+cat draft-release.txt
+
+read -p "Happy with the changelog? <y/N> " prompt
+if [[ $prompt != "y" && $prompt != "Y" && $prompt != "yes" && $prompt != "Yes" ]]
+then
+  rm draft-release.txt
+  exit 0
+fi
+
+echo "Committing version"
+towncrier build --version $VERSION
+git commit CHANGELOG.md changelog.d/ package.json -m $TAG
+
+echo "Proceeding to generate tags"
+cat draft-release.txt | git tag --force -m - -s $TAG
+rm draft-release.txt
+echo "Generated tag $TAG"
+
+echo "Pushing to origin"
+git push origin $TAG
+git push
+
+echo "The CI to generate a release is now running. Check https://github.com/$REPO_NAME/releases and publish the release when it's ready."