From 0fa98321b1fb8558ca9e5ddc23a99c2b8d373340 Mon Sep 17 00:00:00 2001
From: Kristian Larsson <kristian@spritelink.net>
Date: Tue, 28 Sep 2021 11:19:29 +0200
Subject: [PATCH] Add GitHub Action job to update apt repo

This automatically adds the produced .deb into our own apt repo.

We only run this job for tagged releases for now.

Installation instructions for Debian / Ubuntu have been updated.
---
 .github/workflows/test.yml | 41 ++++++++++++++++++++++++++++++++++++++
 README.md                  | 15 +++++++-------
 2 files changed, 49 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e9df956be..bfdd52e83 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -104,6 +104,47 @@ jobs:
           path: ${{ steps.artifact_dir.outputs.dir }}/*deb/
           if-no-files-found: error
 
+  update-apt-repo:
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bullseye
+    needs: build-debs
+    steps:
+      - name: Install build prerequisites
+        run: |
+          apt-get update
+          apt-get install -qy git gnupg reprepro
+      - name: Import GPG key
+        id: import_gpg
+        uses: crazy-max/ghaction-import-gpg@v4
+        with:
+          gpg_private_key: ${{ secrets.APT_GPG_PRIVATE_KEY }}
+      - name: Check out code of apt.acton-lang.io repo
+        uses: actions/checkout@v2
+        with:
+          repository: actonlang/apt.acton-lang.io
+          path: apt
+          ssh-key: ${{ secrets.APT_DEPLOY_KEY }}
+      - name: "Download artifacts for Debian Linux"
+        uses: actions/download-artifact@v2
+        with:
+          name: acton-debian
+      - name: "Include new deb in Apt repository"
+        run: |
+          cd apt
+          reprepro include bullseye ../deb/*.changes
+      - name: "Push updates to git repository for apt.acton-lang.io"
+        run: |
+          cd apt
+          git config user.name "Apt Bot"
+          git config user.email apt@acton-lang.org
+          git add .
+          git status
+          git diff
+          git commit -a -m "Updated apt package index"
+          git push
+
 
   # If we are on the main branch, we'll create or update a pre-release called
   # 'tip' which holds the latest build output from the main branch!  We upload
diff --git a/README.md b/README.md
index 6a1b686f2..3e443fa7f 100644
--- a/README.md
+++ b/README.md
@@ -36,18 +36,19 @@ work fairly well.
 
 ## Install acton
 
-### Debian / Ubuntu by downloading .deb
+### Debian / Ubuntu via apt repository
 
-There are pre-built .deb packages available via GitHub Releases. Download the
-latest one from [the Release page](https://github.com/actonlang/acton/releases).
+Install Acton via apt repository:
 
-```
-$ wget https://github.com/actonlang/acton/releases/download/v0.6.2/acton_0.6.2_amd64.deb
-$ dpkg -i acton_0.6.2_amd64.deb
-$ apt-get -f install
+```sh
+wget -q -O - https://apt.acton-lang.io/acton.gpg | sudo apt-key add -
+echo "deb http://apt.acton-lang.io/ bullseye main" | sudo tee /etc/apt/sources.list.d/acton.list
+sudo apt-get update
+sudo apt-get install -qy acton
 ```
 
 ### Mac OS X using Homebrew
+
 Acton is available as a Homebrew tap, which can be installed with:
 ```
 brew install actonlang/acton/acton