support for uninstall, groups, host-packages and all packages, skip installed packages, upgade all at the end

chocowell.ps1

@@ -1,9 +1,58 @@
+$config = Get-Content 'config.ini' | ConvertFrom-StringData
 $hostname = $env:COMPUTERNAME
-Get-Content -Path .\packages_all.txt | ForEach-Object {
-    choco.exe install -y $_
+$packages = @{}
+# list packages for all hosts
+Get-Content -Path "$($config.basePath)/packages_all.txt" | ForEach-Object {
+    $packages[$_] = $_
 }
 
-Get-Content -Path .\packages_$hostname.txt | ForEach-Object {
-    choco.exe install -y $_
+# Check groups of host and list packages
+$groups = @{}
+Get-Content -Path "$($config.basePath)/groups_$($hostname).txt" | ForEach-Object {
+    $groups[$_] = $_
 }
-choco upgrade all -y
+foreach ($group in $groups.keys) {
+    Get-Content -Path "$($config.basePath)/packages_$($groups[$group]).txt" | ForEach-Object {
+        $packages[$_] = $_
+    }
+}
+
+# Packages only for this host
+if (Test-Path -Path "$($config.basePath)/packages_$($hostname).txt") {
+    Get-Content -Path "$($config.basePath)/packages_$($hostname).txt" | ForEach-Object {
+        $packages[$_] = $_
+    }
+}
+
+# Pakete in der uninstall.txt sollen nicht installiert werden
+$uninstall = @{}
+Get-Content -Path "$($config.basePath)/uninstall.txt" | ForEach-Object {
+    if($packages.ContainsKey($_)) {
+        $uninstall[$_] = $_
+        $packages.Remove($_)
+    }
+}
+
+# List installed packages
+$installed = @{}
+$installedStrings = @(choco list --no-progress)
+for ($i = 8; $i -lt $($installedStrings.Length -1 ); $i++) {
+    $packagename = $installedStrings[$i].Split(" ")[0]
+    $installed[$packagename] = $packagename
+}
+
+# Install packages not in installed package list
+foreach ($package in $packages.keys) {
+    if ( $installed.ContainsKey($package) -eq 1 ) {
+        continue
+    }
+    choco install -y $package
+}
+
+#Pakete in der uninstall deinstallieren
+foreach ($package in $uninstall.keys) {
+    choco uninstall -y $package
+}
+
+# Upgrade all installed packages
+#choco upgrade all -y