Tweak dev CI to use a clean environment every time

.gitea/workflows/dev-docker.yml

@@ -1,10 +1,16 @@
 name: NodBot PE Dockerization
+######################################################
+# Creates a new Docker image of nodbot-dev, pushes   #
+# it to DockerHub, and restarts the container.       #
+######################################################
 
+# Run when a new tag for dev is pushed
 on:
   push:
     tags:
       - 'v*-dev*'
-    
+
+# Pull DockerHub credentials from secrets
 env:
   DHUB_UNAME: ${{ secrets.DHUB_UNAME }}
   DHUB_PWORD: ${{ secrets.DHUB_PWORD }}
@@ -13,21 +19,17 @@ jobs:
   build:
     runs-on: self-hosted
     steps:
+    - name: Clean up old environment
+      run: |
+           rm -rf /var/lib/act_runner/nodbot
+           rm -rf /var/lib/act_runner/nodbot-dev
     - name: Pull latest from Git
       run: |
+           echo "Ref: ${{ gitea.ref_name }}"
            echo "Branch: tags/${{ gitea.ref_name }}"
-           pwd
-           whoami
-           mkdir -p /var/lib/act_runner/
-           cd /var/lib/act_runner/
-           if [ ! -d "nodbot" ]; then
-             git clone https://git.vfsh.dev/voidf1sh/nodbot
-             cd nodbot
-           else
-             cd nodbot
-             git checkout main
-             git pull
-           fi
+           cd /var/lib/act_runner
+           git clone https://git.vfsh.dev/voidf1sh/nodbot
+           cd nodbot
            git checkout tags/${{ gitea.ref_name }}
     - name: Build the Docker image
       run: |