ci debug: mkdir fetch tmp dir

.gitea/workflows/ci-debug.yml

@@ -18,25 +18,8 @@ jobs:
         with:
           version: ${{ env.ZIG_VERSION }}
 
-      - name: Environment probe
-        run: |
-          echo "HOME=$HOME"
-          env | grep -i zig || true
-          echo "--- global cache candidates ---"
-          for d in "$ZIG_GLOBAL_CACHE_DIR" "$HOME/.cache/zig"; do
-            [ -n "$d" ] && { echo "dir: $d"; ls -la "$d" 2>&1 | head -10; }
-          done
-          echo "--- local cache ---"
-          ls -la .zig-cache 2>&1 | head -10
+      - name: Create the fetch temp dir zig assumes
+        run: mkdir -p "${ZIG_GLOBAL_CACHE_DIR:?}/tmp"
 
-      - name: Reproduce fetch failure
-        run: |
-          zig build --help >/dev/null 2>&1 || true
-          zig build test 2>&1 | head -5 || true
-
-      - name: Attempt fix (create tmp dirs) and retry fetch
-        run: |
-          for d in "$ZIG_GLOBAL_CACHE_DIR" "$HOME/.cache/zig"; do
-            [ -n "$d" ] && mkdir -p "$d/tmp" "$d/p" && echo "created $d/tmp and $d/p"
-          done
-          zig build test 2>&1 | head -5
+      - name: Fetch dependencies and configure
+        run: zig build --help > /dev/null && echo "configure OK, dependencies fetched"