feat: nixos config (#1)

nixos/update.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env nu
+
+print "Checking for new version of PLG-MuDiCS ..."
+if (new_version_available) {
+    print "New version available. Trying to update ..."
+
+    get_new_display_file
+    get_new_nixos_config
+}
+
+print "Done"
+
+def get_new_nixos_config [] {
+    let temp_folder_path = (mktemp -d "nixos-temp-XXXXXX")
+    let temp_file_path = (mktemp "nixos-temp-XXXXXX")
+    let nixos_config_path = "nixos"
+
+    http get https://github.com/PLG-Development/PLG-MuDiCS/releases/latest/download/nixos.zip --max-time 5sec | save -p -f $temp_file_path
+
+    unzip $temp_file_path -d $temp_folder_path
+    rm -rf $nixos_config_path
+    mv $temp_folder_path $nixos_config_path
+
+    rm $temp_file_path
+
+    cp /etc/nixos/hardware-configuration.nix $"($nixos_config_path)/hardware-configuration.nix"
+}
+
+def get_new_display_file [] {
+    let temp_file_path = (mktemp "display-temp-XXXXXX")
+
+    http get https://github.com/PLG-Development/PLG-MuDiCS/releases/latest/download/plg-mudics-display --max-time 5sec | save -p -f $temp_file_path
+
+    chmod +x $temp_file_path
+    mv $temp_file_path plg-mudics-display
+}
+
+def new_version_available [] {
+    let file_path = "version.json"
+    if not ($file_path | path exists) {
+        { "version": ""} | to json | save version.json
+    }
+
+    let current_version = open $file_path | get version
+
+    let new_version = http get https://api.github.com/repos/PLG-Development/PLG-MuDiCS/releases/latest --max-time 5sec | get tag_name
+    # TODO: only write when all operations were successful
+    { "version": $new_version} | to json | save version.json -f
+
+    if $current_version == $new_version {
+        false
+    } else {
+        true
+    }
+}