Fix symlinks inside containers

Co-Authored-By: Rashil Gandhi <46838874+rashil2000@users.noreply.github.com>
ScoopInstaller · Mar 22, 2022 · 889cba6 · 889cba6
1 parent ced36b2
commit 889cba6
Show file tree

Hide file tree

Showing 2 changed files with 15 additions and 3 deletions.
diff --git a/lib/install.ps1 b/lib/install.ps1
@@ -956,7 +956,7 @@ function link_current($versiondir) {
         Remove-Item $currentdir -Recurse -Force -ErrorAction Stop
     }
 
-    New-Item -Path $currentdir -ItemType Junction -Value $versiondir | Out-Null
+    New-DirectoryJunction $currentdir $versiondir
     attrib $currentdir +R /L
     return $currentdir
 }
@@ -1207,7 +1207,7 @@ function persist_data($manifest, $original_dir, $persist_dir) {
             # create link
             if (is_directory $target) {
                 # target is a directory, create junction
-                New-Item -Path $source -ItemType Junction -Value $target | Out-Null
+                New-DirectoryJunction $source $target
                 attrib $source +R /L
             } else {
                 # target is a file, create hard link
@@ -1270,3 +1270,15 @@ function test_running_process($app, $global) {
         return $false
     }
 }
+
+# wrapper function to create junction links
+# Required to handle docker/for-win#12240
+function New-DirectoryJunction($source, $target) {
+    # test if this script is being executed inside a docker container
+    if (Get-Service -Name cexecsvc -ErrorAction SilentlyContinue) {
+        cmd.exe /d /c "mklink /j `"$source`" `"$target`"" | Out-Null
+    } else {
+        New-Item -Path $source -ItemType Junction -Value $target | Out-Null
+    }
+}
+
diff --git a/lib/psmodules.ps1 b/lib/psmodules.ps1
@@ -26,7 +26,7 @@ function install_psmodule($manifest, $dir, $global) {
         Remove-Item -Path $linkfrom -Force -ErrorAction SilentlyContinue
     }
 
-    New-Item -Path $linkfrom -ItemType Junction -Value $dir | Out-Null
+    New-DirectoryJunction $linkfrom $dir
 }
 
 function uninstall_psmodule($manifest, $dir, $global) {