ci: Fix newt download

The upstream server is no longer offering tarballs. Fetch and checkout
the git repo instead. To avoid pulling from this server over and over
again, cache the repo from the beginning.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

Author: jan-kiszka

.github/actions/perform-tests/action.yml

@@ -16,16 +16,22 @@ runs:
       run: |
         # install kas to have all kas dependencies:
         pip install .[test]
+    - name: Cache newt
+      id: cache-newt
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9  # v6.1.0
+      with:
+        path: |
+          newt
+        key: cache-newt-${{ env.NEWT_REVISION }}
     - name: Install python-newt
       shell: bash
       run: |
         sudo apt-get update
-        sudo apt-get install libpopt-dev libslang2-dev
-        wget -q https://releases.pagure.org/newt/newt-$NEWT_VERSION.tar.gz
-        echo "$NEWT_SHA256 newt-$NEWT_VERSION.tar.gz" | sha256sum -c
-        tar -C /tmp -xzf newt-$NEWT_VERSION.tar.gz
-        cd /tmp/newt-$NEWT_VERSION
-        autoconf
+        sudo apt-get install libpopt-dev libslang2-dev gettext
+        git clone https://pagure.io/newt.git
+        cd newt
+        git checkout $NEWT_REVISION
+        autoreconf -fi
         ./configure --with-python=python${{ matrix.python-version }}
         make -j $(nproc)
         sudo make install

.github/workflows/next.yml

@@ -10,8 +10,7 @@ on:
 env:
   SHELLCHECK_VERSION: v0.10.0
   SHELLCHECK_SHA256: 6c881ab0698e4e6ea235245f22832860544f17ba386442fe7e9d629f8cbedf87
-  NEWT_VERSION: 0.52.24
-  NEWT_SHA256: 5ded7e221f85f642521c49b1826c8de19845aa372baf5d630a51774b544fbdbb
+  NEWT_REVISION: 5f2762040505edd7a25878fe27a00a2d34485663  # 0.52.24
 
 jobs:
   codestyle: