From 64b5d8a0d424030c821b41334f507a424abf0d2c Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Mon, 4 Jan 2021 06:50:09 +0300
Subject: set %CYGWIN% before installing Cygwin

---
 action.yml | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/action.yml b/action.yml
index e463ffc..333e43f 100644
--- a/action.yml
+++ b/action.yml
@@ -26,16 +26,21 @@ runs:
   steps:
     - run: |
         New-Variable os -Value ('${{ runner.os }}') -Option Constant
-
         New-Variable windows_host -Value ($os -eq 'Windows') -Option Constant
 
-        New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
-        New-Variable install_dir -Value '${{ inputs.install-dir }}' -Option Constant
-        New-Variable packages -Value '${{ inputs.packages }}' -Option Constant
-
         if (!$windows_host) {
             throw "Sorry, installing Cygwin is unsupported on $os"
         }
+      shell: pwsh
+
+    - run: |
+        echo 'CYGWIN=${{ inputs.env }}' >> $env:GITHUB_ENV
+      shell: pwsh
+
+    - run: |
+        New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
+        New-Variable install_dir -Value '${{ inputs.install-dir }}' -Option Constant
+        New-Variable packages -Value '${{ inputs.packages }}' -Option Constant
 
         function Locate-Choco {
             $path = Get-Command 'choco' -ErrorAction SilentlyContinue
@@ -46,8 +51,6 @@ runs:
             }
         }
 
-        echo 'CYGWIN=${{ inputs.env }}' >> $env:GITHUB_ENV
-
         $choco = Locate-Choco
         $choco_params = @(
             'install',
-- 
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