compat flag

Author: obfuscatedgenerated

src/kernel.ts

@@ -80,6 +80,15 @@ export class Kernel {
             throw new Error(`Command not found: ${command}`);
         }
 
+        let compat = "1.0.0";
+        if (typeof program.compat === "string") {
+            compat = program.compat;
+        }
+
+        if (compat !== "2.0.0") {
+            throw new Error(`Program ${program.name} is not compatible with OllieOS 2. (Add compat: "2.0.0" to the program object to mark it as ported.)`);
+        }
+
         // we may not be provided a parsed line (if this is a direct call, not from execute()), but we can create one by assumption
         const parsed_line: LineParseResultCommand = original_line_parse ?? {
             type: "command",

src/prog_registry.ts

@@ -54,6 +54,8 @@ export const build_registrant_from_js = async (js_code: string, built_in = false
         console.warn(`Program ${program.name} has JS code starts with 'import'. Please update the package to use the new global externals system. This will be removed in the future.`);
     }
 
+    // not warning about compat here to make it more obvious to end users when they try to run an incompatible program
+
     if (globalThis.OLLIEOS_NODE && program.node_opt_out) {
         throw new Error(`Program ${program.name} is not compatible with Node.js.`);
     }

src/programs/alias.ts

@@ -8,6 +8,7 @@ export default {
         name: "The name of the alias to define or display. If no arguments are given, all aliases are displayed. Multiple alias arguments can be provided.",
         "name=value": "Defines an alias with the given name and value. End the value with a space to allow chaining."
     },
+    compat: "2.0.0",
     completion: async () => [],
     main: async (data) => {
         // extract from data to make code less verbose

src/programs/ascmagine.ts

@@ -27,6 +27,7 @@ export default {
             "-u": "Path is an web URL instead of a local filesystem path."
         }
     },
+    compat: "2.0.0",
     // TODO: completion
     main: async (data) => {
         // extract from data to make code less verbose

src/programs/bugreport.ts

@@ -17,6 +17,7 @@ export default {
         feature: "Opens the bug reporter with the feature request template.",
         other: "Opens the bug reporter with the template chooser (default).",
     },
+    compat: "2.0.0",
     completion: helper_completion_options(["bug", "feature", "other"]),
     main: async (data) => {
         // extract from data to make code less verbose

src/programs/cat.ts

@@ -10,6 +10,7 @@ export default {
             "filepaths": "The paths of the files to read."
         }
     },
+    compat: "2.0.0",
     main: async (data) => {
         // extract from data to make code less verbose
         const { kernel, args, term } = data;

src/programs/cd.ts

@@ -8,6 +8,7 @@ export default {
     arg_descriptions: {
         path: "Path to directory to change to. If no path is given, change to home directory."
     },
+    compat: "2.0.0",
     main: async (data) => {
         // extract from data to make code less verbose
         const { kernel, args, term } = data;

src/programs/clear.ts

@@ -13,6 +13,7 @@ export default {
             "-so": "Only clear the scrollback."
         }
     },
+    compat: "2.0.0",
     completion: helper_completion_options(["-h", "-s", "-so"]),
     main: async (data) => {
         // extract from data to make code less verbose

src/programs/core/ash/core.ts

@@ -87,8 +87,11 @@ export class AshShell implements AbstractShell {
                 document.title = old_title;
             }
 
-            term.writeln(`${PREFABS.error}Failed to execute command: ${FG.white + STYLE.italic}${command}${STYLE.reset_all}`);
+            term.writeln(`${PREFABS.error}Failed to execute command: ${FG.white + STYLE.italic}${command}${STYLE.reset_all}.`);
+            term.writeln(`${FG.red + STYLE.italic}${(e as Error).message}${STYLE.reset_all}`);
+
             console.error(e);
+
             return false;
         }
 

src/programs/core/ash/index.ts

@@ -12,6 +12,7 @@ export default {
             "--login": "Start the shell as a login shell. Don't pass this flag manually, it's handled by the system."
         }
     },
+    compat: "2.0.0",
     main: async (data) => {
         const {kernel, term, process, args} = data;