fix: pnpm update --global --latest (#6671)

close #3779

.changeset/silent-onions-design.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/plugin-commands-installation": patch
+"pnpm": patch
+---
+
+`pnpm update --global --latest` should work [#3779](https://github.com/pnpm/pnpm/issues/3779).

pkg-manager/plugin-commands-installation/src/installDeps.ts

@@ -48,6 +48,7 @@ export type InstallDepsOptions = Pick<Config,
 | 'global'
 | 'globalPnpmfile'
 | 'hooks'
+| 'ignoreCurrentPrefs'
 | 'ignorePnpmfile'
 | 'ignoreScripts'
 | 'linkWorkspacePackages'

pkg-manager/plugin-commands-installation/src/update/index.ts

@@ -267,6 +267,7 @@ async function update (
     ...opts,
     allowNew: false,
     depth,
+    ignoreCurrentPrefs: false,
     includeDirect,
     include,
     update: true,

pnpm/test/install/global.ts

@@ -86,3 +86,20 @@ test('run lifecycle events of global packages in correct working directory', asy
 
   expect(await exists(path.join(global, `pnpm/global/${LAYOUT_VERSION}/node_modules/@pnpm.e2e/postinstall-calls-pnpm/created-by-postinstall`))).toBeTruthy()
 })
+
+test('global update to latest', async () => {
+  prepare()
+  const global = path.resolve('..', 'global')
+  const pnpmHome = path.join(global, 'pnpm')
+  fs.mkdirSync(global)
+
+  const env = { [PATH_NAME]: pnpmHome, PNPM_HOME: pnpmHome, XDG_DATA_HOME: global }
+
+  await execPnpm(['install', '--global', 'is-positive@1'], { env })
+  await execPnpm(['update', '--global', '--latest'], { env })
+
+  const globalPrefix = path.join(global, `pnpm/global/${LAYOUT_VERSION}`)
+
+  const { default: isPositive } = await import(path.join(globalPrefix, 'node_modules/is-positive/package.json'))
+  expect(isPositive.version).toBe('3.1.0')
+})