CI: add fedora to the mix

.github/workflows/nightly-fedora-qt6.yml

@@ -0,0 +1,33 @@
+name: nightly-fedora-qt6
+
+on:
+  schedule:
+    - cron: "52 2 * * *"
+  workflow_dispatch:
+
+env:
+  BUILDDIR: /build
+  SRCDIR: ${{ github.workspace }}
+  CMAKE_ARGS: |
+    -DKDE_INSTALL_USE_QT_SYS_PATHS=ON
+    -DCMAKE_BUILD_TYPE=Debug
+    -DWITH_QT6=ON
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: docker://fedora:38
+      options: --tmpfs /build:rw --user 0:0
+    steps:
+      - name: "prepare git"
+        shell: bash
+        run: yum install -y git-core jq curl
+      - name: "prepare source"
+        uses: calamares/actions/generic-checkout@v5
+      - name: "install dependencies"
+        shell: bash
+        run: ./ci/deps-fedora-qt6.sh
+      - name: "build"
+        shell: bash
+        run: ./ci/build.sh

ci/deps-fedora-qt6.sh

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+#! /bin/sh
+#
+# Install dependencies for the nightly-fedora-qt6 build
+#
+
+# Add the KF6 repo
+dnf install -y 'dnf-command(copr)'
+dnf copr enable -y @kdesig/kde-nightly-qt6
+
+yum install -y bison flex git make cmake gcc-c++ ninja-build
+yum install -y yaml-cpp-devel libpwquality-devel parted-devel python-devel gettext gettext-devel
+yum install -y libicu-devel libatasmart-devel
+# Qt6/KF6 dependencies
+yum install -y qt6-qtbase-devel qt6-linguist qt6-qtbase-private-devel qt6-qtdeclarative-devel qt6-qtsvg-devel qt6-qttools-devel
+yum install -y kf6-kcoreaddons-devel kf6-kdbusaddons-devel kf6-kcrash-devel
+yum install -y polkit-qt6-1-devel appstream-qt-devel
+# Runtime dependencies for QML modules
+yum install -y kf6-kirigami2-devel qt6-qt5compat-devel