From f1f7733e55573057b33bdc944326fffe4791d9ea Mon Sep 17 00:00:00 2001
From: Kinshuk Bairagi <hi@kinsh.uk>
Date: Tue, 22 Mar 2022 20:11:48 +0530
Subject: [PATCH] Fix symlinks inside containers

---
 CHANGELOG.md      |  1 +
 lib/install.ps1   | 15 +++++++++++++--
 lib/psmodules.ps1 |  2 +-
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5211269ce..79d65c2bcb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@
 - **scoop-prefix:** Fix typo that breaks global installed apps ([#4795](https://github.com/ScoopInstaller/Scoop/issues/4795))
 - **update:** Skip logs starting with `(chore)` ([#4800](https://github.com/ScoopInstaller/Scoop/issues/4800))
 - **scoop-download:** Add failure check ([#4822](https://github.com/ScoopInstaller/Scoop/pull/4822))
+- **install:** Fix issue with installation inside containers ([#4837](https://github.com/ScoopInstaller/Scoop/pull/4837))
 
 ### Code Refactoring
 
diff --git a/lib/install.ps1 b/lib/install.ps1
index 3c8b2ec5de..f12c1990d6 100644
--- a/lib/install.ps1
+++ b/lib/install.ps1
@@ -924,7 +924,7 @@ 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 | Out-Null
     attrib $currentdir +R /L
     return $currentdir
 }
@@ -1175,7 +1175,7 @@ function persist_data($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 | Out-Null
                 attrib $source +R /L
             } else {
                 # target is a file, create hard link
@@ -1238,3 +1238,14 @@ function test_running_process($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`""
+    } else {
+        New-Item -Path $source -ItemType Junction -Value $target
+    }
+}
diff --git a/lib/psmodules.ps1 b/lib/psmodules.ps1
index fc32e99425..dcaf38818f 100644
--- a/lib/psmodules.ps1
+++ b/lib/psmodules.ps1
@@ -26,7 +26,7 @@ function install_psmodule($manifest, $dir, $global) {
         Remove-Item -Path $linkfrom -Force -ErrorAction SilentlyContinue
     }
 
-    New-Item -Path $linkfrom -ItemType Junction -Value $dir | Out-Null
+    New-DirectoryJunction $linkfrom $dir | Out-Null
 }
 
 function uninstall_psmodule($manifest, $dir, $global) {