From 5e0e7f5dbbd345fee4c3473bb20c7348ce0738a6 Mon Sep 17 00:00:00 2001
From: Zoltan Kochan <z@kochan.io>
Date: Thu, 30 Jun 2022 11:55:42 +0300
Subject: [PATCH] fix: partial install in workspace with patches should not
 fail (#4956)

close #4954
---
 .changeset/cold-toes-push.md               | 6 ++++++
 packages/resolve-dependencies/src/index.ts | 6 +++++-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/cold-toes-push.md

diff --git a/.changeset/cold-toes-push.md b/.changeset/cold-toes-push.md
new file mode 100644
index 00000000000..4392ef36f4e
--- /dev/null
+++ b/.changeset/cold-toes-push.md
@@ -0,0 +1,6 @@
+---
+"@pnpm/resolve-dependencies": patch
+"pnpm": patch
+---
+
+`pnpm install` in a workspace with patches should not fail when doing partial installation [#4954](https://github.com/pnpm/pnpm/issues/4954).
diff --git a/packages/resolve-dependencies/src/index.ts b/packages/resolve-dependencies/src/index.ts
index 42d0769b6e6..80fe2115278 100644
--- a/packages/resolve-dependencies/src/index.ts
+++ b/packages/resolve-dependencies/src/index.ts
@@ -103,7 +103,11 @@ export default async function (
   } = await resolveDependencyTree(projectsToResolve, opts)
 
   // We only check whether patches were applied in cases when the whole lockfile was reanalyzed.
-  if (opts.patchedDependencies && (opts.forceFullResolution || !opts.wantedLockfile.packages?.length)) {
+  if (
+    opts.patchedDependencies &&
+    (opts.forceFullResolution || !opts.wantedLockfile.packages?.length) &&
+    Object.keys(opts.wantedLockfile.importers).length === importers.length
+  ) {
     verifyPatches(Object.keys(opts.patchedDependencies), appliedPatches)
   }