Add github actions for basic testing

Add basic tests to ensure E.L.B.E. is building and can be installed:
- Build Debian Stable packages
- Build Debian Unstable packages
- Build Ubuntu packages and install all packages

Signed-off-by: Benedikt Spranger <[email protected]>

.github/scripts/install_all.sh

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+#! /bin/bash
+
+ARCH="$(dpkg-architecture -q DEB_BUILD_ARCH)"
+DIST="$(. /etc/os-release; echo ${VERSION_CODENAME/*, /})"
+
+cd repo
+reprepro list "$DIST" | awk '{print "sudo apt-get install -y "$2}' | sh

.github/scripts/setup_repo.sh

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+#! /bin/bash
+
+ARCH="$(dpkg-architecture -q DEB_BUILD_ARCH)"
+DIST="$(. /etc/os-release; echo ${VERSION_CODENAME/*, /})"
+
+mkdir repo
+cp -a .github/templates/reprepro/* repo
+cd repo
+
+find . -type f -exec sed -i -e "s/@ARCH@/${ARCH}/" -e "s/@DIST@/${DIST}/" {} \;
+
+reprepro --ignore=wrongdistribution include "$DIST" ../../*_${ARCH}.changes
+reprepro --ignore=wrongdistribution include "$DIST" ../contrib/*_${ARCH}.changes

.github/scripts/update_sources_list.sh

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+#! /bin/bash
+
+DIST="$(. /etc/os-release; echo ${VERSION_CODENAME/*, /})"
+
+echo "deb [trusted=yes] file://$(pwd)/repo ${DIST} main" \
+     > /etc/apt/sources.list.d/elbe.list
+
+apt-get update

.github/templates/reprepro/conf/distributions

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+Origin: elbe
+Label: elbe
+Codename: @DIST@
+Architectures: source @ARCH@
+Components: main
+Description: E.L.B.E. packages repository (unsafe)
+# SignWith: 8044921302364FBDC541F38971F7AE8C018CE6CB

.github/templates/reprepro/conf/options

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+verbose
+ask-passphrase

.github/workflows/main.yml

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+name: "E.L.B.E. test runner"
+
+# Controls when the action will run. Triggers the workflow on push or pull
+# request events but only for the master branch
+on:
+  workflow_dispatch: {}
+  push:
+    branches:
+      - master
+      - 'devel/**'
+  pull_request:
+    branches:
+      - master
+      - 'devel/**'
+
+# A workflow run is made up of one or more jobs that can run sequentially or
+# in parallel
+jobs:
+  Build-for-stable:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Build E.L.B.E. Debian stable packages
+      uses: jtdor/[email protected]
+      with:
+        docker-image: debian:stable-slim
+        artifacts-dir: stable
+
+    - name: Retrieve results
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v3
+      with:
+        name: stable
+        path: |
+          stable/
+        if-no-files-found: warn
+
+  Build-for-unstable:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Build E.L.B.E. Debian stable packages
+      uses: jtdor/[email protected]
+      with:
+        docker-image: debian:unstable-slim
+        artifacts-dir: unstable
+
+    - name: Retrieve results
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v3
+      with:
+        name: unstable
+        path: |
+          unstable/
+        if-no-files-found: warn
+
+  Run-on-Ubuntu:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Install tools
+      run: sudo apt-get install -y config-package-dev devscripts git-buildpackage lighttpd reprepro
+
+    - name: Create build environment
+      run: ARCH="$(dpkg-architecture -q DEB_BUILD_ARCH)" DIST="$(. /etc/os-release; echo ${VERSION_CODENAME/*, /})" git-pbuilder create
+
+    - name: Build E.L.B.E. packages
+      run: gbp buildpackage -nc --git-debian-branch="$(git branch --show-current)" --git-pbuilder --git-dist="$(. /etc/os-release; echo ${VERSION_CODENAME/*, /})" --git-arch="$(dpkg-architecture -q DEB_BUILD_ARCH)"
+
+    - name: Build configuration package
+      run: cd contrib/debathena-transform-lighttpd; ARCH="$(dpkg-architecture -q DEB_BUILD_ARCH)" DIST="$(. /etc/os-release; echo ${VERSION_CODENAME/*, /})" git-pbuilder -nc
+
+    - name: Build Repo
+      run: ./.github/scripts/setup_repo.sh
+
+    - name: Retrieve results
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v3
+      with:
+        name: repo
+        path: |
+          repo/
+        if-no-files-found: warn
+
+    - name: Prepare to use Repo
+      run: sudo ./.github/scripts/update_sources_list.sh
+
+    - name: Install E.L.B.E.
+      run: sudo apt-get install -y elbe
+
+    - name: Show E.L.B.E. version
+      run: elbe --version
+
+    - name: Install all E.L.B.E. packages
+      run: sudo ./.github/scripts/install_all.sh