fix(ci): fix macOS ci to use provided fmt (#670)

Author: slfan1989

.github/workflows/rc.yml

@@ -105,6 +105,13 @@ jobs:
         shell: bash
         run: sudo apt-get update && sudo apt-get install -y libcurl4-openssl-dev
 
+      - name: Install fmt on macOS
+        if: ${{ startsWith(matrix.os, 'macos') }}
+        shell: bash
+        run: |
+          brew install fmt
+          echo "CMAKE_PREFIX_PATH=$(brew --prefix fmt):${CMAKE_PREFIX_PATH:-}" >> "${GITHUB_ENV}"
+
       - name: Verify
         run: |
           tar_gz=$(echo apache-iceberg-cpp-*.tar.gz)

.github/workflows/s3_test.yml

@@ -73,6 +73,12 @@ jobs:
         run: |
           echo "CC=${{ matrix.CC }}" >> $GITHUB_ENV
           echo "CXX=${{ matrix.CXX }}" >> $GITHUB_ENV
+      - name: Install fmt on macOS
+        if: ${{ startsWith(matrix.runs-on, 'macos') }}
+        shell: bash
+        run: |
+          brew install fmt
+          echo "CMAKE_PREFIX_PATH=$(brew --prefix fmt):${CMAKE_PREFIX_PATH:-}" >> "${GITHUB_ENV}"
       - name: Start MinIO
         shell: bash
         run: bash ci/scripts/start_minio.sh

.github/workflows/test.yml

@@ -74,6 +74,11 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
+      - name: Install fmt
+        shell: bash
+        run: |
+          brew install fmt
+          echo "CMAKE_PREFIX_PATH=$(brew --prefix fmt):${CMAKE_PREFIX_PATH:-}" >> "${GITHUB_ENV}"
       - name: Build Iceberg
         shell: bash
         run: ci/scripts/build_iceberg.sh $(pwd)