Merge pull request #493 from asgrim/437-bundled-php-exts-with-brew

437: add build provider warning for Homebrew

Author: asgrim

src/DependencyResolver/ResolveDependencyWithComposer.php

@@ -142,6 +142,15 @@ private function assertBuildProviderProvidersBundledExtensions(TargetPlatform $t
             ));
         }
 
+        if ($buildProvider === 'Homebrew') {
+            $identifiedBuildProvider = true;
+            $this->io->write(sprintf(
+                '<comment>%sThe bundled extension %s is likely already installed with Homebrew, and you should use that version.</comment>',
+                $note,
+                $piePackage->extensionName()->name(),
+            ));
+        }
+
         if ($identifiedBuildProvider && ! $forceInstallPackageVersion) {
             throw BundledPhpExtensionRefusal::forPackage($piePackage);
         }

test/end-to-end/Dockerfile

@@ -26,9 +26,8 @@ FROM homebrew/brew AS test_pie_installs_build_tools_with_brew
 RUN brew install php
 COPY --from=build_pie_phar /app/pie.phar /usr/local/bin/pie
 USER root
-RUN apt-get update && apt-get install -y unzip libbz2-dev
+RUN apt-get update && apt-get install -y unzip
 RUN apt-get remove --allow-remove-essential -y apt
 USER linuxbrew
-RUN brew install bzip2
-RUN pie install --auto-install-build-tools -v php/bz2
+RUN pie install --auto-install-build-tools -v asgrim/example-pie-extension
 RUN pie show