update docker test image

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
       - run: ./dotbare finit -u https://github.com/kazhala/dotfiles.git
       - run: bats tests
       - run: rm -rf "$HOME"/.cfg
-      - run: export confirm='y' && ./dotbare finit
+      - run: ./dotbare finit -y
       - run: bats tests
   macos:
     runs-on: macos-latest
@@ -34,5 +34,5 @@ jobs:
       - run: ./dotbare finit -u https://github.com/kazhala/dotfiles.git
       - run: bats tests
       - run: rm -rf "$HOME"/.cfg
-      - run: export confirm='y' && ./dotbare finit
+      - run: ./dotbare finit -y
       - run: bats tests

tests/Dockerfile

@@ -6,5 +6,5 @@ RUN echo "PATH=$PATH:$HOME/dotbare" >> "$HOME"/.bashrc
 WORKDIR /root/dotbare
 ARG MIGRATE='url'
 RUN [ "$MIGRATE" = 'url' ] && ./dotbare finit -u https://github.com/kazhala/dotfiles.git || :
-RUN [ "$MIGRATE" = 'bare' ] && export confirm='y' && ./dotbare finit || :
+RUN [ "$MIGRATE" = 'bare' ] && ./dotbare finit -y || :
 ENTRYPOINT ["bats", "tests"]