From 916b26b63ce92e3357698aef311c2deaa8a077c8 Mon Sep 17 00:00:00 2001
From: Tensorworker <178221229+tensorworkerr@users.noreply.github.com>
Date: Fri, 16 Jan 2026 10:12:33 -0500
Subject: [PATCH] fix: prevent implicit root exclusion when user filters are
 provided (#10465)

* fix: prevent implicit root exclusion when user filters are provided

* docs: add changeset

* test: remove redundant init

---------

Co-authored-by: tensorworker <tensorworker@proton.me>
Co-authored-by: Zoltan Kochan <z@kochan.io>
---
 .changeset/stupid-wasps-turn.md |  5 ++++
 pnpm/src/main.ts                |  2 +-
 pnpm/test/recursive/filter.ts   | 46 +++++++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/stupid-wasps-turn.md
 create mode 100644 pnpm/test/recursive/filter.ts

diff --git a/.changeset/stupid-wasps-turn.md b/.changeset/stupid-wasps-turn.md
new file mode 100644
index 0000000000..bf45783ae4
--- /dev/null
+++ b/.changeset/stupid-wasps-turn.md
@@ -0,0 +1,5 @@
+---
+"pnpm": major
+---
+
+Do not exclude the root workspace project, when it is explicitly selected via a filter [#10465](https://github.com/pnpm/pnpm/pull/10465).
diff --git a/pnpm/src/main.ts b/pnpm/src/main.ts
index 449e1ca963..6a478b1adf 100644
--- a/pnpm/src/main.ts
+++ b/pnpm/src/main.ts
@@ -213,7 +213,7 @@ export async function main (inputArgv: string[]): Promise<void> {
     const relativeWSDirPath = () => path.relative(process.cwd(), wsDir) || '.'
     if (config.workspaceRoot) {
       filters.push({ filter: `{${relativeWSDirPath()}}`, followProdDepsOnly: Boolean(config.filterProd.length) })
-    } else if (workspaceDir && !config.includeWorkspaceRoot && (cmd === 'run' || cmd === 'exec' || cmd === 'add' || cmd === 'test')) {
+    } else if (filters.length === 0 && workspaceDir && !config.includeWorkspaceRoot && (cmd === 'run' || cmd === 'exec' || cmd === 'add' || cmd === 'test')) {
       filters.push({ filter: `!{${relativeWSDirPath()}}`, followProdDepsOnly: Boolean(config.filterProd.length) })
     }
 
diff --git a/pnpm/test/recursive/filter.ts b/pnpm/test/recursive/filter.ts
new file mode 100644
index 0000000000..3d979eeb27
--- /dev/null
+++ b/pnpm/test/recursive/filter.ts
@@ -0,0 +1,46 @@
+import fs from 'fs'
+import { prepare } from '@pnpm/prepare'
+import { execPnpmSync } from '../utils/index.js'
+
+test('pnpm --filter <root> add <pkg> should work', async () => {
+  prepare({
+    name: 'root',
+    version: '1.0.0',
+    pnpm: {
+      overrides: {
+        'is-positive': '1.0.0',
+      },
+    },
+  })
+
+  fs.writeFileSync('pnpm-workspace.yaml', 'packages:\n  - "."\n')
+
+  const result = execPnpmSync(['--filter', 'root', 'add', 'is-positive'])
+  if (result.status !== 0) {
+    console.log(result.stdout.toString())
+    console.log(result.stderr.toString())
+  }
+  expect(result.status).toBe(0)
+
+  const pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'))
+  expect(pkg.dependencies['is-positive']).toBeTruthy()
+})
+
+test('pnpm --filter . add <pkg> should work', async () => {
+  prepare({
+    name: 'root',
+    version: '1.0.0',
+  })
+
+  fs.writeFileSync('pnpm-workspace.yaml', 'packages:\n  - "."\n')
+
+  const result = execPnpmSync(['--filter', '.', 'add', 'is-positive'])
+  if (result.status !== 0) {
+    console.log(result.stdout.toString())
+    console.log(result.stderr.toString())
+  }
+  expect(result.status).toBe(0)
+
+  const pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'))
+  expect(pkg.dependencies['is-positive']).toBeTruthy()
+})