Add an Ubuntu devel CI.

.github/workflows/nightly-ubuntu.yml

@@ -0,0 +1,34 @@
+name: nightly-ubuntu
+
+on:
+  schedule:
+    - cron: "12 23 * * *"
+  workflow_dispatch:
+
+env:
+  BUILDDIR: /build
+  SRCDIR: ${{ github.workspace }}
+  CMAKE_ARGS: |
+    -DKDE_INSTALL_USE_QT_SYS_PATHS=ON
+    -DCMAKE_BUILD_TYPE=Debug
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: docker://ubuntu:devel
+      options: --tmpfs /build:rw --user 0:0
+    steps:
+      - name: "prepare git"
+        shell: bash
+        run: |
+            apt-get update
+            apt-get -y install git-core jq curl
+      - name: "prepare source"
+        uses: calamares/actions/generic-checkout@v5
+      - name: "install dependencies"
+        shell: bash
+        run: ./ci/deps-ubuntu.sh
+      - name: "build"
+        shell: bash
+        run: ./ci/build.sh

ci/deps-ubuntu.sh

@@ -0,0 +1,47 @@
+#! /bin/sh
+#
+# Install dependencies for the nightly-ubuntu (devel) build
+# These build dependencies are grabbed directly from the Debian package
+#
+apt-get update
+apt-get -y install git-core jq curl ninja
+apt-get -y install \
+        build-essential \
+        cmake \
+        extra-cmake-modules \
+        gettext \
+        libappstreamqt5-dev \
+        libkf5config-dev \
+        libkf5coreaddons-dev \
+        libkf5crash-dev \
+        libkf5i18n-dev \
+        libkf5iconthemes-dev \
+        libkf5kio-dev \
+        libkf5parts-dev \
+        libkf5plasma-dev \
+        libkf5service-dev \
+        libkf5solid-dev \
+        libkpmcore-dev \
+        libparted-dev \
+        libpolkit-qt5-1-dev \
+        libpwquality-dev \
+        libqt5svg5-dev \
+        libqt5webkit5-dev \
+        libyaml-cpp-dev \
+        os-prober \
+        pkg-config \
+        pkg-kde-tools \
+        polkitd \
+        python3-dev \
+        python3-jsonschema \
+        python3-yaml \
+        qml-module-qtquick-layouts \
+        qml-module-qtquick-privatewidgets \
+        qml-module-qtquick-window2 \
+        qml-module-qtquick2 \
+        qtbase5-dev \
+        qtdeclarative5-dev \
+        qtlocation5-dev \
+        qttools5-dev \
+        qttools5-dev-tools
+true