Merge pull request #1714 from NuGet/anurse/branchtools

Added scripts to help manage branches

tools/Clean-Branches.ps1

@@ -1,16 +1,6 @@
 param([switch]$Force)
 
-$toClean = @(
-    git branch --merged origin/master -r | 
-    foreach { $_.Trim() } | 
-    where { 
-        ($_ -notmatch "origin/pr/\d+") -and 
-        ($_ -match "origin/(?<b>[A-Za-z0-9-/]*).*") 
-    } | 
-    foreach { $matches.b } | 
-    where { 
-        @("HEAD","master","dev","dev-start","qa","staging") -notcontains $_ 
-    })
+$toClean = & "$PSScriptRoot\Get-MergedBranches.ps1"
 
 $pushargs = @($toClean | foreach { ":$_" })
 if($Force) {

tools/Get-MergedBranches.ps1

@@ -0,0 +1,13 @@
+param([string]$ParentBranch = "master")
+
+git branch --merged "origin/$ParentBranch" -r | 
+        foreach { $_.Trim() } | 
+        where { $_ -like "origin*" } |
+        where { 
+            ($_ -notlike "origin/pr*") -and 
+            ($_ -notlike "origin/HEAD*") -and 
+            (@("origin/master","origin/dev","origin/staging","origin/dev-start","origin/qa") -notcontains $_) 
+        } | 
+        foreach {
+            $_.Substring("origin/".Length)
+        }