Remove bison installation bits

Author: reese

.github/workflows/ci.yml

@@ -75,11 +75,6 @@ jobs:
           ~/.cargo/registry
           ~/.cargo/git
         key: ${{ runner.os }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}
-    - if: runner.os == 'macOS'
-      run: |
-        brew install automake bison
-        brew link bison --force
-        echo "/usr/local/opt/bison/bin:$PATH" >> $GITHUB_PATH
     - run: cargo test --release
     - uses: actions/upload-artifact@v6
       with:

.github/workflows/preview-release.yaml

@@ -47,10 +47,6 @@ jobs:
           toolchain: 1.91.1
           override: true
           target: aarch64-unknown-linux-gnu
-      - if: runner.os == 'macOS'
-        run: |
-          brew install automake bison
-          echo "/usr/local/opt/bison/bin:$PATH" >> $GITHUB_PATH
       - run: ./script/make_release
       - uses: actions/upload-artifact@v6
         with:

.github/workflows/release.yaml

@@ -31,10 +31,6 @@ jobs:
           toolchain: 1.91.1
           override: true
           target: aarch64-unknown-linux-gnu
-      - if: runner.os == 'macOS'
-        run: |
-          brew install automake bison
-          echo "/usr/local/opt/bison/bin:$PATH" >> $GITHUB_PATH
       - run: ./script/make_release
       - uses: actions/upload-artifact@v6
         with:

dockerfiles/build.Dockerfile

@@ -1,6 +1,6 @@
 FROM ubuntu:20.04
 RUN apt-get update
-RUN apt-get install -y git bison build-essential autoconf ruby curl
+RUN apt-get install -y git build-essential autoconf ruby curl
 RUN apt-get install -y zlib1g-dev clang ruby-dev shellcheck
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 RUN gem install bundler
@@ -9,6 +9,6 @@ RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
     dpkg-reconfigure --frontend=noninteractive locales && \
     update-locale LANG=en_US.UTF-8
 ENV LANG en_US.UTF-8
-RUN apt-get install -y bison libyaml-dev
+RUN apt-get install -y libyaml-dev
 
 ADD ./ /root/rubyfmt.git

script/make_release

@@ -1,12 +1,6 @@
 #!/bin/bash
 set -euxo pipefail
 
-# if darwin, add PATH="/usr/local/opt/bison/bin:$PATH"
-if [[ $OSTYPE == "darwin"* ]]; then
-  export PATH="/opt/homebrew/opt/bison/bin:$PATH"
-fi
-bison --version
-
 TAG=$(git describe --tags --exact-match HEAD)
 RELEASE_DIR=${RELEASE_DIR:-"tmp/releases/${TAG}-$(uname -s)/"}