From 8844dedb8a780dcf96c79e7e5dc99e2a8bdaa12c Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Wed, 17 Oct 2018 11:55:01 +0100
Subject: [PATCH] Add create-pkg.sh for creating macOS installers

---
 .circleci/config.yml        |   7 +++
 contrib/macos/create-pkg.sh | 107 ++++++++++++++++++++++++++++++++++++
 2 files changed, 114 insertions(+)
 create mode 100755 contrib/macos/create-pkg.sh

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 036c97e..fa5ebca 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -50,6 +50,13 @@ jobs:
               GOOS=darwin GOARCH=amd64 ./build && mv yggdrasil /tmp/upload/$CINAME-$CIVERSION-darwin-amd64 && mv yggdrasilctl /tmp/upload/$CINAME-$CIVERSION-yggdrasilctl-darwin-amd64;
               GOOS=darwin GOARCH=386 ./build && mv yggdrasil /tmp/upload/$CINAME-$CIVERSION-darwin-i386 && mv yggdrasilctl /tmp/upload/$CINAME-$CIVERSION-yggdrasilctl-darwin-i386;
 
+      - run:
+          name: Build for macOS (.pkg format)
+          command: |
+              rm -rf {yggdrasil,yggdrasilctl}
+              GOOS=darwin GOARCH=amd64 ./build && PKGARCH=amd64 sh contrib/macos/create-pkg.sh && mv *.pkg /tmp/upload/
+              GOOS=darwin GOARCH=386 ./build && PKGARCH=i386 sh contrib/macos/create-pkg.sh && mv *.pkg /tmp/upload/
+
       - run:
           name: Build for OpenBSD
           command: |
diff --git a/contrib/macos/create-pkg.sh b/contrib/macos/create-pkg.sh
new file mode 100755
index 0000000..5964736
--- /dev/null
+++ b/contrib/macos/create-pkg.sh
@@ -0,0 +1,107 @@
+#!/bin/sh
+
+# Check if xar and mkbom are available
+command -v xar >/dev/null 2>&1 || (
+  echo "Building xar"
+  sudo apt-get install libxml2-dev libssl1.0-dev zlib1g-dev -y
+  mkdir -p /tmp/xar && cd /tmp/xar
+  git clone https://github.com/mackyle/xar && cd xar/xar
+  (sh autogen.sh && make && sudo make install) || (echo "Failed to build xar"; exit 1)
+)
+command -v mkbom >/dev/null 2>&1 || (
+  echo "Building mkbom"
+  mkdir -p /tmp/mkbom && cd /tmp/mkbom
+  git clone https://github.com/hogliux/bomutils && cd bomutils
+  sudo make install || (echo "Failed to build mkbom"; exit 1)
+)
+
+# Check if we can find the files we need - they should
+# exist if you are running this script from the root of
+# the yggdrasil-go repo and you have ran ./build
+test -f yggdrasil || (echo "yggdrasil binary not found"; exit 1)
+test -f yggdrasilctl || (echo "yggdrasilctl binary not found"; exit 1)
+test -f contrib/macos/yggdrasil.plist || (echo "contrib/macos/yggdrasil.plist not found"; exit 1)
+test -f contrib/semver/version.sh || (echo "contrib/semver/version.sh not found"; exit 1)
+
+# Delete the pkgbuild folder if it already exists
+test -d pkgbuild && rm -rf pkgbuild
+
+# Create our folder structure
+mkdir -p pkgbuild/scripts
+mkdir -p pkgbuild/flat/base.pkg
+mkdir -p pkgbuild/flat/Resources/en.lproj
+mkdir -p pkgbuild/root/usr/local/bin
+mkdir -p pkgbuild/root/Library/LaunchDaemons
+
+# Copy package contents into the pkgbuild root
+cp yggdrasil pkgbuild/root/usr/local/bin
+cp yggdrasilctl pkgbuild/root/usr/local/bin
+cp contrib/macos/yggdrasil.plist pkgbuild/root/Library/LaunchDaemons
+
+# Create the postinstall script
+cat > pkgbuild/scripts/postinstall << EOF
+#!/bin/sh
+test -f /etc/yggdrasil.conf || /usr/local/bin/yggdrasil -genconf > /etc/yggdrasil.conf
+test -f /Library/LaunchDaemons/yggdrasil.plist && launchctl unload /Library/LaunchDaemons/yggdrasil.plist
+launchctl load /Library/LaunchDaemons/yggdrasil.plist
+EOF
+
+# Set execution permissions
+chmod +x pkgbuild/scripts/postinstall
+chmod +x pkgbuild/root/usr/local/bin/yggdrasil
+chmod +x pkgbuild/root/usr/local/bin/yggdrasilctl
+
+# Pack payload and scripts
+( cd pkgbuild/scripts && find . | cpio -o --format odc --owner 0:80 | gzip -c ) > pkgbuild/flat/base.pkg/Scripts
+( cd pkgbuild/root && find . | cpio -o --format odc --owner 0:80 | gzip -c ) > pkgbuild/flat/base.pkg/Payload
+
+# Work out metadata for the package info
+PKGNAME=$(sh contrib/semver/name.sh)
+PKGVERSION=$(sh contrib/semver/version.sh | cut -c 2-)
+PKGARCH=${PKGARCH-amd64}
+PAYLOADSIZE=$(( $(wc -c pkgbuild/flat/base.pkg/Payload | awk '{ print $1 }') / 1024 ))
+
+# Create the PackageInfo file
+cat > pkgbuild/flat/base.pkg/PackageInfo << EOF
+<pkg-info format-version="2" identifier="io.github.yggdrasil-network.pkg" version="${PKGVERSION}" install-location="/" auth="root">
+  <payload installKBytes="${PAYLOADSIZE}" numberOfFiles="3"/>
+  <scripts>
+    <postinstall file="./postinstall"/>
+  </scripts>
+</pkg-info>
+EOF
+
+# Create the BOM
+( cd pkgbuild && mkbom root flat/base.pkg/Bom )
+
+# Create the Distribution file
+cat > pkgbuild/flat/Distribution << EOF
+<?xml version="1.0" encoding="utf-8"?>
+<installer-script minSpecVersion="1.000000" authoringTool="com.apple.PackageMaker" authoringToolVersion="3.0.3" authoringToolBuild="174">
+    <title>Yggdrasil ${PKGVERSION}</title>
+    <options customize="never" allow-external-scripts="no"/>
+    <domains enable_anywhere="true"/>
+    <installation-check script="pm_install_check();"/>
+    <script>
+    function pm_install_check() {
+      if(!(system.compareVersions(system.version.ProductVersion,'10.10') >= 0)) {
+        my.result.title = 'Failure';
+        my.result.message = 'You need at least Mac OS X 10.10 to install Yggdrasil.';
+        my.result.type = 'Fatal';
+        return false;
+      }
+      return true;
+    }
+    </script>
+    <choices-outline>
+        <line choice="choice1"/>
+    </choices-outline>
+    <choice id="choice1" title="base">
+        <pkg-ref id="io.github.yggdrasil-network.pkg"/>
+    </choice>
+    <pkg-ref id="io.github.yggdrasil-network.pkg" installKBytes="${PAYLOADSIZE}" version="${VERSION}" auth="Root">#base.pkg</pkg-ref>
+</installer-script>
+EOF
+
+# Finally pack the .pkg
+( cd pkgbuild/flat && xar --compression none -cf "../../${PKGNAME}-${PKGVERSION}-macos-${PKGARCH}.pkg" * )