From 60e424bdb07a94de5ecddac9dc2c92c9412a4fac Mon Sep 17 00:00:00 2001
From: noah the goodra <peterpan0413@live.com>
Date: Wed, 30 Aug 2017 07:45:45 -0500
Subject: [PATCH] add cleanup command (#1648)

---
 libexec/scoop-cleanup.ps1 | 80 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 libexec/scoop-cleanup.ps1

diff --git a/libexec/scoop-cleanup.ps1 b/libexec/scoop-cleanup.ps1
new file mode 100644
index 000000000..0abec656b
--- /dev/null
+++ b/libexec/scoop-cleanup.ps1
@@ -0,0 +1,80 @@
+# Usage: scoop cleanup <app> [options]
+# Summary: Update apps, or Scoop itself
+# Help: 'scoop cleanup' cleans Scoop apps by removing old versions.
+# 'scoop cleanup <app>' cleans up the old versions of that app if said versions exist.
+#
+# You can use '*' in place of <app> to cleanup all apps.
+#
+# Options:
+#   --global, -g       Cleanup a globally installed app
+. "$psscriptroot\..\lib\core.ps1"
+. "$psscriptroot\..\lib\manifest.ps1"
+. "$psscriptroot\..\lib\buckets.ps1"
+. "$psscriptroot\..\lib\versions.ps1"
+. "$psscriptroot\..\lib\getopt.ps1"
+
+reset_aliases
+
+$opt, $apps, $err = getopt $args 'g' 'global'
+if ($err) { "scoop cleanup: $err"; exit 1 }
+$global = $opt.g -or $opt.global
+
+function cleanup($app, $global) {
+    $current_version  = current_version $app $global
+    $installedappdir  = appdir $app $global
+    foreach($versionDir in (Get-ChildItem $installedappdir))
+    {
+        if(($versionDir.Name -ne $current_version) -and ($versionDir.Name -ne "current"))
+        {
+            foreach($file in (Get-ChildItem $installedappdir/$versionDir))
+            {
+                if($file.LinkType -ne $null)
+                {
+                    fsutil.exe reparsepoint delete $file.FullName
+                }
+            }
+            Remove-Item $versionDir.FullName -Recurse -Force
+        }
+    }
+}
+
+function ensure_all_installed($apps, $global) {
+    $app = $apps | Where-Object { !(installed $_ $global) } | Select-Object -first 1 # just get the first one that's not installed
+    if ($app) {
+        if (installed $app (!$global)) {
+            function wh($g) { if ($g) { "globally" } else { "for your account" } }
+            write-host "'$app' isn't installed $(wh $global), but it is installed $(wh (!$global))." -f darkred
+            "Try cleaning $(if($global) { 'without' } else { 'with' }) the --global (or -g) flag instead."
+            exit 1
+        }
+        else {
+            abort "'$app' isn't installed."
+        }
+    }
+}
+
+# convert list of apps to list of ($app, $global) tuples
+function applist($apps, $global) {
+    return , @($apps | % { , @($_, $global) })
+}
+if($apps) {
+    if ($global -and !(is_admin)) {
+        'ERROR: You need admin rights to update global apps.'; exit 1
+    }
+
+    if ($apps -eq '*') {
+        $apps = applist (installed_apps $false) $false
+        if ($global) {
+            $apps += applist (installed_apps $true) $true
+        }
+    }
+    else {
+        ensure_all_installed $apps $global
+        $apps = applist $apps $global
+    }
+
+    # $apps is now a list of ($app, $global) tuples
+    $apps | ForEach-Object { cleanup @_ }
+}
+
+exit 0