Autobuild release when a tag is set (#87)

* Automate build-process

Author: tvdijen

.gitattributes

@@ -0,0 +1,2 @@
+lib/.gitkeep export-ignore
+bin/ export-ignore

.github/workflows/build-release.yml

@@ -0,0 +1,49 @@
+---
+
+name: Build release
+
+on:  # yamllint disable-line rule:truthy
+  push:
+    tags:
+      - '*'
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build release
+    runs-on: [ubuntu-latest]
+
+    steps:
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.SAMLTRACER_BUILD_TOKEN }}
+          ref: ${{ github.head_ref || github.ref_name }}
+          # Full git history is needed to get a proper list of changed files within `super-linter`
+          fetch-depth: 0
+
+      - name: Fetch changes
+        # Without fetching, we might miss new tags due to caching in Github Actions
+        run: git fetch --all
+
+      - name: Run build-script
+        run: bin/build.sh
+
+      # Store the version, stripping any v-prefix
+      - name: Write release version
+        run: |
+          TAG="${{ github.ref_name }}"
+          echo "VERSION=${TAG#v}" >> "$GITHUB_ENV"
+
+      - name: Save release
+        uses: actions/upload-artifact@v4
+        with:
+          name: release
+          path: "/tmp/samltracer.zip"
+          retention-days: 1
+
+      - name: Calculate SHA checksum
+        run: sha256sum "/tmp/samltracer.zip"

.gitignore

@@ -1 +1 @@
-samltracer.zip
+lib/*.js

.npmrc

@@ -0,0 +1,2 @@
+# .npmrc
+engine-strict=true

bin/build.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+set -e
+
+CWD="$(pwd)"
+
+HLJS_VERSION=11.9.0
+PAKO_VERSION=2.1.0
+
+if [ -n "$1" ]; then
+    RELEASE="tags/$1"
+    TARGET="/tmp/$1.zip"
+else
+    RELEASE="HEAD"
+    TARGET="/tmp/samltracer.zip"
+fi
+
+if ! git rev-parse --verify "$RELEASE" >/dev/null 2>&1; then
+    echo "Invalid revision: $RELEASE" >&2
+    exit 1
+fi
+
+# Build Highlight.js
+HLJS=$(mktemp -d)
+cd "$HLJS"
+git clone -b "$HLJS_VERSION" https://github.com/highlightjs/highlight.js.git
+cd highlight.js
+
+npm install --package-lock-only
+npm clean-install
+npm run build
+node tools/build.js xml properties http
+
+# Build Pako
+PAKO=$(mktemp -d)
+cd "$PAKO"
+git clone -b "$PAKO_VERSION" https://github.com/nodeca/pako.git
+cd pako
+
+npm install --package-lock-only
+npm clean-install
+npm run build
+
+DEST=$(mktemp -d)
+cd $CWD
+cp -R $CWD/. $DEST
+cd $DEST
+
+# Copy dependencies
+cp "$HLJS/highlight.js/build/highlight.min.js" "$DEST/lib/"
+cp "$PAKO/pako/dist/pako_inflate.min.js" "$DEST/lib/"
+
+# Clean release
+grep export-ignore .gitattributes | cut -d ' ' -f 1 | while IFS= read -r line
+do
+  rm -rf "$line"
+done
+
+git archive --format tar "$RELEASE" | (cd "$DEST"; tar xv)
+
+cd "$DEST"
+
+zip -r "$TARGET" *
+
+cd /
+rm -rf "$DEST"
+rm -rf "$HLJS"
+rm -rf "$PAKO"

build.sh

@@ -37,12 +37,12 @@
             </div>
         </div>
 
+        <script type="text/javascript" src="../lib/pako_inflate.min.js"></script>
+        <script type="text/javascript" src="../lib/highlight.min.js"></script>
         <script type="text/javascript" src="splitter.js"></script>
         <script type="text/javascript" src="hash.js"></script>
         <script type="text/javascript" src="SAMLTrace.js"></script>
         <script type="text/javascript" src="ui.js"></script>
         <script type="text/javascript" src="scrollableList.js"></script>
-        <script type="text/javascript" src="../lib/pako_inflate.min.js"></script>
-        <script type="text/javascript" src="../lib/highlight.min.js"></script>
     </body>
-</html>
+</html>