Run docker builds and tests as a regular user, take 2

.github/workflows/docker.yaml

@@ -59,29 +59,36 @@ jobs:
         apt --yes dist-upgrade
         apt --yes install wget curl gcc make m4 patch openssh-client unzip git libtest-simple-perl xz-utils g++ dejagnu
 
+    - name: Clone repo independently
+       run: |
+        git clone https://github.com/chevah/pythia.git
+        cd pythia
+        git checkout ${GITHUB_HEAD_REF}
+
     - name: Chevah user setup
       run: |
         useradd -g adm -s /bin/bash -m chevah
         echo '%adm    ALL=NOPASSWD: ALL' > /etc/sudoers
 
-    - uses: actions/checkout@v4
-
     - name: Build Pythia
       timeout-minutes: 30
       run: |
-        chown -R chevah .
+        chown -R chevah pythia
+        cd pythia
         su chevah -c "./build.sh build"
 
     - name: Test Pythia
       timeout-minutes: 5
       run: |
+        cd pythia
         su chevah -c "./build.sh test"
 
     - name: Test compat
       timeout-minutes: 5
       env:
         CODECOV_TOKEN: local
       run: |
+        cd pythia
         su chevah -c "./build.sh compat"
 
     # Using `~/` is problematic under Docker, use `/root/`.