From c36138cfe47c51e8e8710a45ecbe9bcf422b13f3 Mon Sep 17 00:00:00 2001
From: Christopher Rogers <chrissrogers@gmail.com>
Date: Fri, 19 Mar 2021 22:13:54 -0700
Subject: [PATCH] Adds prepare-release script

---
 .github/workflows/release-notes.yaml | 53 ------------------------
 .github_changelog_generator          |  7 ++++
 scripts/prepare-release              | 62 ++++++++++++++++++++++++++++
 3 files changed, 69 insertions(+), 53 deletions(-)
 delete mode 100644 .github/workflows/release-notes.yaml
 create mode 100644 .github_changelog_generator
 create mode 100755 scripts/prepare-release

diff --git a/.github/workflows/release-notes.yaml b/.github/workflows/release-notes.yaml
deleted file mode 100644
index 307962dbb..000000000
--- a/.github/workflows/release-notes.yaml
+++ /dev/null
@@ -1,53 +0,0 @@
-# TODO: Add published to CDN date to description when the release is marked prerelease: false
-name: Create GitHub Release
-on:
-  repository_dispatch:
-    types:
-      - release_notes
-  push:
-    tags:
-      - 'v*'
-jobs:
-  Release:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Build
-        run: make build
-
-      - name: Prepare
-        id: prep
-        run: |
-          version=$(echo '${{ github.ref }}' | sed 's/^.*v//')
-          changes=$(sed -n "/^### Version $version/,/^###/p" CHANGELOG.md | sed '$d' | sed '1d')
-          links=$(cat CHANGELOG.md | grep '^\[')
-          echo "::set-output name=name::$version"
-          echo "::set-output name=md5-checksum::$(set -- $(md5sum ./build/recurly.min.js); echo $1)"
-          echo "::set-output name=sri-hash::$(openssl dgst -sha384 -binary ./build/recurly.min.js | openssl base64 -A)"
-          echo "::set-output name=changes::${changes//$'\n'/%0A}"
-          echo "::set-output name=links::${links//$'\n'/%0A}"
-
-      - name: Create Release
-        id: create_release
-        uses: actions/create-release@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          tag_name: ${{ github.ref }}
-          release_name: ${{ steps.prep.outputs.name }}
-          body: |
-            ${{ steps.prep.outputs.changes }}
-
-            ##### Minified MD5 Checksum
-            ```
-            ${{ steps.prep.outputs.md5-checksum }}
-            ```
-            ##### [SRI Hash](https://www.srihash.org/)
-            ```
-            ${{ steps.prep.outputs.sri-hash }}
-            ```
-
-            ${{ steps.prep.outputs.links }}
-          draft: false
-          prerelease: true
diff --git a/.github_changelog_generator b/.github_changelog_generator
new file mode 100644
index 000000000..9fda2825a
--- /dev/null
+++ b/.github_changelog_generator
@@ -0,0 +1,7 @@
+user=recurly
+project=recurly-js
+unreleased=true
+exclude-labels=question,bug?,internal,dependency,documentation,tests & build
+issues-wo-labels=false
+verbose=false
+since-tag=v2.6.0
diff --git a/scripts/prepare-release b/scripts/prepare-release
new file mode 100755
index 000000000..33b6e8665
--- /dev/null
+++ b/scripts/prepare-release
@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+# Usage
+#
+# ./prepare-release major|minor|patch [--notes-out <path>] [--tag-out <path>]
+#
+
+set -e
+
+if [ -n "$(git status --porcelain)" ]; then
+  echo "Working directory is not clean. Aborting."
+  exit 1
+fi
+
+if [ -z "$GITHUB_TOKEN" ]; then
+  echo "GITHUB_TOKEN must be set. Aborting."
+  exit 1
+fi
+
+LIB_ARTIFACT=./build/recurly.min.js
+VERSION_FILE=./lib/recurly/version.js
+
+# Bump version
+old_version=$(cat package.json | jq -r '.version')
+npm --no-git-tag-version version ${1}
+new_version=$(cat package.json | jq -r '.version')
+echo "$(sed "s/$old_version/$new_version/" $VERSION_FILE)" > $VERSION_FILE
+
+# Generate Changelog
+github_changelog_generator -t $GITHUB_TOKEN --future-release "v$new_version"
+
+# Compute hashes
+make build
+md5_checksum=$(md5sum $LIB_ARTIFACT)
+sri_hash=$(openssl dgst -sha384 -binary $LIB_ARTIFACT | openssl base64 -A)
+
+while [[ "$#" -gt 0 ]]; do
+  case $1 in
+    # Create release notes artifact
+    -n|--notes-out)
+      echo "$new_version
+
+      $(cat CHANGELOG.md | sed -n "/^## \[v$new_version\]/,/^##/p" | sed '$d;1d')
+
+      ##### Minified MD5 Checksum
+      \`\`\`
+      ${md5_checksum}
+      \`\`\`
+      ##### [SRI Hash](https://www.srihash.org/)
+      \`\`\`
+      ${sri_hash}
+      \`\`\`" | awk '{$1=$1};1' > $2
+      shift
+      ;;
+
+    # Create release notes artifact
+    -t|--tag-out)
+      echo "v$new_version" > $2
+      ;;
+  esac
+  shift
+done