Mark all directories as safe so CI builds don't fail with "unsafe repository" errors

Author: SamVanheer

.github/build.sh

@@ -57,6 +57,10 @@ has_clang || has_gcc || die "No compiler available"
 export CCACHE_DIR=$PWD/build-ci-ccache
 ccache -M4G
 
+# Mark all directories as safe so checkouts performed in CMakeLists.txt don't cause "unsafe repository" errors.
+# See https://github.com/actions/checkout/issues/766
+git config --global --add safe.directory '*'
+
 # Use shallow clones of submodules for space/time efficiency.
 #git submodule update --init --depth=1 2>&1 | cat
 

.github/workflows/build.yml

@@ -55,6 +55,11 @@ jobs:
           cd build
           cmake -S .. -G Ninja -DBUILD_TESTS=ON -DBUILD_EXAMPLES=ON -DBUILD_TOOLS=ON
 
+      # Mark all directories as safe so checkouts performed in CMakeLists.txt don't cause "unsafe repository" errors.
+      # See https://github.com/actions/checkout/issues/766
+      - name: Configure Git
+        run: git config --global --add safe.directory '*'
+
       - name: Build projects
         working-directory: '${{ github.workspace }}/build'
         run: ninja