diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8c6c1ed
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,43 @@
+/node_modules
+/.nyc_output/
+/coverage/
+
+/test/fixtures/selflink/node_modules/@scope/z/node_modules/glob
+/test/fixtures/selflink/node_modules/foo/node_modules/selflink
+/test/fixtures/other/node_modules/glob
+/test/fixtures/linkedroot
+/test/fixtures/deep/root
+/test/fixtures/deeproot
+/test/fixtures/badlink/node_modules/foo
+/test/fixtures/badlink/node_modules/bar
+/test/fixtures/workspace/node_modules/a
+/test/fixtures/workspace/node_modules/b
+/test/fixtures/workspace/node_modules/c
+/test/fixtures/workspace/packages/a/node_modules/b
+/test/fixtures/workspace/packages/a/node_modules/c
+/test/fixtures/workspace/packages/b/node_modules/a
+/test/fixtures/workspace/packages/b/node_modules/c
+/test/fixtures/workspace/packages/c/node_modules/a
+/test/fixtures/workspace/packages/c/node_modules/b
+/test/fixtures/workspace2/node_modules/c/node_modules/d
+/test/fixtures/workspace2/node_modules/c/node_modules/x
+/test/fixtures/workspace3/node_modules/app
+/test/fixtures/workspace3/node_modules/a
+/test/fixtures/workspace3/node_modules/b
+/test/fixtures/workspace3/node_modules/c
+/test/fixtures/links-all-over/node_modules/link-outside-nest
+/test/fixtures/links-all-over/node_modules/link-deep
+/test/fixtures/links-all-over/node_modules/link-link
+/test/fixtures/links-all-over/node_modules/nest/node_modules/link-in-nest
+/test/fixtures/symlinked-node-modules/example/node_modules
+/test/fixtures/symlinked-node-modules/linked-node-modules/bar
+/test/fixtures/install-types/node_modules/symlink
+/test/fixtures/pnpm/node_modules/.pnpm/registry.npmjs.org/@scope/x/1.0.0/node_modules/a
+/test/fixtures/pnpm/node_modules/.pnpm/registry.npmjs.org/@scope/x/1.0.0/node_modules/b
+/test/fixtures/pnpm/node_modules/.pnpm/registry.npmjs.org/@scope/x/1.0.0/node_modules/c
+/test/fixtures/pnpm/node_modules/.pnpm/registry.npmjs.org/a/1.0.0/node_modules/b
+/test/fixtures/pnpm/node_modules/.pnpm/registry.npmjs.org/a/1.0.0/node_modules/c
+/test/fixtures/pnpm/node_modules/.pnpm/registry.npmjs.org/b/1.0.0/node_modules/c
+/test/fixtures/pnpm/node_modules/.pnpm/registry.npmjs.org/c/1.0.0/node_modules/@scope/x
+/test/fixtures/pnpm/node_modules/@scope/x
+/test/fixtures/pnpm/node_modules/a