fix: lockfile v6 on projects with patched deps (#5979)

close #5967

.changeset/neat-suns-smoke.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/resolve-dependencies": patch
+"pnpm": patch
+---
+
+Fix lockfile v6 on projects that use patched dependencies [#5967](https://github.com/pnpm/pnpm/issues/5967).

pkg-manager/resolve-dependencies/src/resolveDependencies.ts

@@ -159,6 +159,7 @@ export interface ResolutionContext {
   resolutionMode?: 'highest' | 'time-based'
   virtualStoreDir: string
   updateMatching?: (pkgName: string) => boolean
+  useLockfileV6?: boolean
   workspacePackages?: WorkspacePackages
   missingPeersOfChildrenByPkgId: Record<string, { parentImporterId: string, missingPeersOfChildren: MissingPeersOfChildren }>
 }
@@ -1158,7 +1159,7 @@ async function resolveDependency (
   const patchFile = ctx.patchedDependencies?.[nameAndVersion]
   if (patchFile) {
     ctx.appliedPatches.add(nameAndVersion)
-    depPath += `_${patchFile.hash}`
+    depPath += ctx.useLockfileV6 ? `(patch_hash=${patchFile.hash})` : `_${patchFile.hash}`
   }
 
   // We are building the dependency tree only until there are new packages

pkg-manager/resolve-dependencies/src/resolveDependencyTree.ts

@@ -129,6 +129,7 @@ export async function resolveDependencyTree<T> (
     updatedSet: new Set<string>(),
     workspacePackages: opts.workspacePackages,
     missingPeersOfChildrenByPkgId: {},
+    useLockfileV6: opts.useLockfileV6,
   }
 
   const resolveArgs: ImporterToResolve[] = importers.map((importer) => {