Updating action (not running when there is not a current branch) (#158)

Author: James Brundage

Github/Actions/PipeScriptAction.ps1

@@ -120,6 +120,12 @@ git config --global user.name  $UserName
 
 if (-not $env:GITHUB_WORKSPACE) { throw "No GitHub workspace" }
 
+$branchName = git rev-parse --abrev-ref HEAD
+if (-not $branchName) { 
+
+    return
+}
+
 git pull | Out-Host
 
 $PipeScriptStart = [DateTime]::Now

action.yml

@@ -188,6 +188,12 @@ runs:
         
         if (-not $env:GITHUB_WORKSPACE) { throw "No GitHub workspace" }
         
+        $branchName = git rev-parse --abrev-ref HEAD
+        if (-not $branchName) { 
+        
+            return
+        }
+        
         git pull | Out-Host
         
         $PipeScriptStart = [DateTime]::Now