some changes

.github/actions/xahau-ga-get-commit-message/action.yml

@@ -18,11 +18,10 @@ runs:
   using: 'composite'
   steps:
     - name: Get commit message and set environment variable
-      shell: bash
+      shell: python
       env:
         GH_TOKEN: ${{ github.token }}
       run: |
-        python3 - << 'PY'
         import json
         import os
         import secrets
@@ -73,4 +72,3 @@ runs:
 
         print(f"✓ XAHAU_GA_COMMIT_MSG set (available to all subsequent steps)")
         print("==========================================")
-        PY

.github/workflows/xahau-ga-nix.yml

@@ -185,7 +185,6 @@ jobs:
         - /home/runner/.ccache-current:/github/home/.ccache-current
       options: >-
         --privileged
-        --name xahaud-ci-${{ matrix.compiler_id }}
     defaults:
       run:
         shell: bash
@@ -202,32 +201,15 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        
-      - name: Install python if not installed
-        run: |
-          if ! which python3 > /dev/null 2>&1; then
-            apt-get update
-            apt-get install -y python3 python-is-python3
-          fi
-          if ! which pipx > /dev/null 2>&1; then
-            apt-get install -y pipx
-            pipx ensurepath
-          fi
-
-      - name: Get commit message
-        id: get-commit-message
-        uses: ./.github/actions/xahau-ga-get-commit-message
-        with:
-          event-name: ${{ github.event_name }}
-          head-commit-message: ${{ github.event.head_commit.message }}
-          pr-head-sha: ${{ github.event.pull_request.head.sha }}
 
       - name: Install build dependencies
         run: |
           apt-get update
           apt-get install -y software-properties-common
           add-apt-repository ppa:ubuntu-toolchain-r/test -y
-          apt update
+          apt-get update
+          apt-get install -y python3 python-is-python3 pipx
+          pipx ensurepath
           apt-get install -y cmake ninja-build ${{ matrix.cc }} ${{ matrix.cxx }} ccache
           apt-get install -y perl # for openssl build
           apt-get install -y libsqlite3-dev # for xahaud build
@@ -309,6 +291,14 @@ jobs:
           echo "---- Full Environment ----"
           env
 
+      - name: Get commit message
+        id: get-commit-message
+        uses: ./.github/actions/xahau-ga-get-commit-message
+        with:
+          event-name: ${{ github.event_name }}
+          head-commit-message: ${{ github.event.head_commit.message }}
+          pr-head-sha: ${{ github.event.pull_request.head.sha }}
+
       - name: Install dependencies
         uses: ./.github/actions/xahau-ga-dependencies
         with: