vercel · anthonyshew · Oct 15, 2025 · Oct 8, 2025 · Oct 8, 2025
@@ -0,0 +1,31 @@
+lockfileVersion: "9.0"
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+  injectWorkspacePackages: true
+
+importers:
+  .:
+    devDependencies:
+      prettier:
+        specifier: ^3.5.3
+        version: 3.5.3
+
+  apps/web:
+    dependencies:
+      lodash:
+        specifier: ^4.17.21
+        version: 4.17.21
+
+packages:
+  /lodash@4.17.21:
+    resolution:
+      integrity: sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
+  /prettier@3.5.3:
+    resolution:
+      integrity: sha512-e/BBvVnJaW3c/+vgULvKzeXo8LBbFhIF8MkHl1q2L6MvfjSXRIHW5xBM7U2m9GH9A+3keuLDolOgzL4u2p3Mw==
+    engines: {node: '>=14'}
+    hasBin: true
+    dev: true
@@ -174,6 +174,7 @@ pub struct PackageResolution {
 struct LockfileSettings {
     auto_install_peers: Option<bool>,
     exclude_links_from_lockfile: Option<bool>,
+    inject_workspace_packages: Option<bool>,
 }
 
 impl PnpmLockfile {
@@ -649,6 +650,8 @@ mod tests {
     const PNPM6_TURBO: &[u8] = include_bytes!("../../fixtures/pnpm6turbo.yaml").as_slice();
     const PNPM8_TURBO: &[u8] = include_bytes!("../../fixtures/pnpm8turbo.yaml").as_slice();
     const PNPM10_PATCH: &[u8] = include_bytes!("../../fixtures/pnpm-10-patch.lock").as_slice();
+    const PNPM_INJECT_WORKSPACE: &[u8] =
+        include_bytes!("../../fixtures/pnpm-inject-workspace.yaml").as_slice();
 
     use super::*;
     use crate::{Lockfile, Package};
@@ -1562,4 +1565,67 @@ c:
             .unwrap();
         assert!(workspace_dep.is_none());
     }
+
+    #[test]
+    fn test_inject_workspace_packages_preservation() {
+        let lockfile = PnpmLockfile::from_bytes(PNPM_INJECT_WORKSPACE).unwrap();
+
+        // Verify the original lockfile has injectWorkspacePackages set to true
+        assert_eq!(
+            lockfile
+                .settings
+                .as_ref()
+                .unwrap()
+                .inject_workspace_packages,
+            Some(true)
+        );
+
+        // Create a subgraph to simulate turbo prune operation
+        let pruned_lockfile = lockfile
+            .subgraph(
+                &["apps/web".into()],
+                &["/lodash@4.17.21".into(), "/prettier@3.5.3".into()],
+            )
+            .unwrap();
+
+        // Downcast to access the settings
+        let pruned_pnpm = (pruned_lockfile.as_ref() as &dyn Any)
+            .downcast_ref::<PnpmLockfile>()
+            .unwrap();
+
+        // Verify that injectWorkspacePackages is preserved in the pruned lockfile
+        assert_eq!(
+            pruned_pnpm
+                .settings
+                .as_ref()
+                .unwrap()
+                .inject_workspace_packages,
+            Some(true),
+            "injectWorkspacePackages setting should be preserved in pruned lockfile"
+        );
+
+        // Verify other settings are also preserved
+        assert_eq!(
+            pruned_pnpm.settings.as_ref().unwrap().auto_install_peers,
+            Some(true)
+        );
+        assert_eq!(
+            pruned_pnpm
+                .settings
+                .as_ref()
+                .unwrap()
+                .exclude_links_from_lockfile,
+            Some(false)
+        );
+
+        // Verify that the pruned lockfile can be encoded back to YAML
+        let encoded = pruned_lockfile.encode().unwrap();
+        let encoded_str = String::from_utf8(encoded).unwrap();
+
+        // Verify the encoded YAML contains the injectWorkspacePackages setting
+        assert!(
+            encoded_str.contains("injectWorkspacePackages: true"),
+            "Encoded lockfile should contain injectWorkspacePackages setting"
+        );
+    }
 }