Try outside

.ci/dolphin/build-gamecube.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 docker build -t dolbuild:latest -f .ci/dolphin/Dockerfile .
-docker run -u $(id -u):$(id -g) -w /app -v "$(pwd):/app" dolbuild:latest /bin/bash -c ' \
+docker run -u "$(id -u):$(id -g)" -w /app -v "$(pwd):/app" dolbuild:latest /bin/bash -c ' \
   echo "Current dir" && \
   realpath . && \
   ls -l && \

.gitea/workflows/build.yml

@@ -38,6 +38,9 @@ jobs:
           sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin --yes
       - name: Build GameCube
         run: |
+          echo "Outside Docker:"
+          realpath .
+          ls -l
           .ci/dolphin/build-gamecube.sh
       - name: Copy GameCube
         run: |