fix tests

Author: milahu

run-tests.sh

@@ -3,12 +3,43 @@ set -e
 
 export CI=true
 
+echo checking yarn version ...
+yarn_version_major=$(yarn --version | cut -d. -f1)
+if [[ "$yarn_version_major" != 1 ]]; then
+  echo 'error: not found yarn version 1. please run: npm i -g yarn@1'
+  exit 1
+fi
+echo checking yarn version done
+
+# bug:
+# tests expect patch-package in node_modules/patch-package
+# but currently is in node_modules/@milahu/patch-package-with-pnpm-support
+# workaround:
+# temporarily rename to patch-package
+echo patching package.json ...
+sed -i.bak 's|"name": "@milahu/patch-package-with-pnpm-support"|"name": "patch-package"|' package.json
+handle_exit() {
+  if [ -e package.json.bak ]; then
+    echo restoring package.json
+    mv package.json.bak package.json
+  fi
+}
+trap handle_exit EXIT INT TERM
+echo patching package.json done
+diff -u package.json.bak package.json || true
+
 yarn clean
 yarn build
 version=$(node -e 'console.log(require("./package.json").version)')
 yarn version --new-version 0.0.0 --no-git-tag-version --no-commit-hooks
 yarn pack --filename patch-package.test.$(date +%s).tgz
 yarn version --new-version $version --no-git-tag-version --no-commit-hooks
+
+echo restoring package.json ...
+mv -v package.json.bak package.json
+echo restoring package.json done
+trap '' EXIT INT TERM # remove trap handle_exit
+
 yarn jest "$@"
 
 # workaround for https://github.com/yarnpkg/yarn/issues/6685