add local-install/li option

Author: jhheider

.github/workflows/ci.yml

@@ -33,6 +33,9 @@ jobs:
       - run: ./pkgm.ts i pkgx.sh/brewkit
       - run: /usr/local/bin/bk --help
 
+      - run: ./pkgm.ts li pkgx.sh/brewkit
+      - run: ~/.local/bin/bk --help
+
       - run: |
           if [[ "$(/usr/local/bin/pkgx --version)" != "pkgx 2"* ]]; then
             exit 1

pkgm.ts

@@ -1,4 +1,4 @@
-#!/usr/bin/env -S pkgx --quiet deno^2.1 run --ext=ts --allow-sys=uid --allow-run --allow-env=PKGX_DIR,HOMEBREW_PREFIX,HOME --allow-read=/usr/local/pkgs
+#!/usr/bin/env -S pkgx --quiet deno^2.1 run --ext=ts --allow-sys=uid --allow-run --allow-env=PKGX_DIR,HOMEBREW_PREFIX,HOME --allow-read=/usr/local/pkgs,$HOME/.local/pkgs
 import { dirname, fromFileUrl, join } from "jsr:@std/path@^1";
 import { ensureDir, existsSync } from "jsr:@std/fs@^1";
 import { parse as parse_args } from "jsr:@std/flags@0.224.0";
@@ -34,7 +34,11 @@ if (parsedArgs.help) {
   switch (parsedArgs._[0]) {
     case "install":
     case "i":
-      await install(args);
+      await install(args, '/usr/local');
+      break;
+    case "local-install":
+    case "li":
+      await install(args, `${Deno.env.get("HOME")!}/.local`);
       break;
     case "uninstall":
     case "rm":
@@ -49,12 +53,12 @@ if (parsedArgs.help) {
       Deno.exit(1);
       break;
     case "sudo-install": {
-      const [pkgx_dir, runtime_env, ...paths] = args;
+      const [pkgx_dir, runtime_env, basePath, ...paths] = args;
       const parsed_runtime_env = JSON.parse(runtime_env) as Record<
         string,
         Record<string, string>
       >;
-      await sudo_install(pkgx_dir, paths, parsed_runtime_env);
+      await sudo_install(pkgx_dir, paths, parsed_runtime_env, basePath);
       break;
     }
     default:
@@ -67,7 +71,7 @@ if (parsedArgs.help) {
   }
 }
 
-async function install(args: string[]) {
+async function install(args: string[], basePath: string) {
   if (args.length === 0) {
     console.error("no packages specified");
     Deno.exit(1);
@@ -106,7 +110,7 @@ async function install(args: string[]) {
 
   const to_install = [];
   for (const prefix of pkg_prefixes) {
-    if (!existsSync(join("/usr/local/pkgs", prefix))) {
+    if (!existsSync(join(`${basePath}/pkgs`, prefix))) {
       to_install.push(prefix);
     }
   }
@@ -118,9 +122,9 @@ async function install(args: string[]) {
 
   const self = fromFileUrl(import.meta.url);
   const pkgx_dir = Deno.env.get("PKGX_DIR") || `${Deno.env.get("HOME")}/.pkgx`;
-  const needs_sudo = Deno.uid() != 0;
+  const needs_sudo = Deno.uid() != 0 && basePath === "/usr/local";
 
-  const runtime_env = expand_runtime_env(json.runtime_env);
+  const runtime_env = expand_runtime_env(json.runtime_env, basePath);
 
   args = [
     "pkgx",
@@ -133,6 +137,7 @@ async function install(args: string[]) {
     "sudo-install",
     pkgx_dir,
     runtime_env,
+    basePath,
     ...to_install,
   ];
   const cmd = needs_sudo ? "/usr/bin/sudo" : args.shift()!;
@@ -145,12 +150,13 @@ async function sudo_install(
   pkgx_dir: string,
   pkg_prefixes: string[],
   runtime_env: Record<string, Record<string, string>>,
+  basePath: string,
 ) {
-  const dst = "/usr/local";
+  const dst = basePath;
   for (const pkg_prefix of pkg_prefixes) {
-    // create /usr/local/pkgs/${prefix}
+    // create ${dst}/pkgs/${prefix}
     await mirror_directory(join(dst, "pkgs"), pkgx_dir, pkg_prefix);
-    // symlink /usr/local/pkgs/${prefix} to /usr/local
+    // symlink ${dst}/pkgs/${prefix} to ${dst}
     if (!pkg_prefix.startsWith("pkgx.sh/v")) {
       // ^^ don’t overwrite ourselves
       // ^^ * https://github.com/pkgxdev/pkgm/issues/14
@@ -169,14 +175,14 @@ async function sudo_install(
     if (!pkg_prefix) continue; //FIXME wtf?
 
     for (const bin of ["bin", "sbin"]) {
-      const bin_prefix = join("/usr/local/pkgs", pkg_prefix, bin);
+      const bin_prefix = join(`${dst}/pkgs`, pkg_prefix, bin);
 
       if (!existsSync(bin_prefix)) continue;
 
       for await (const entry of Deno.readDir(bin_prefix)) {
         if (!entry.isFile) continue;
 
-        const to_stub = join("/usr/local", bin, entry.name);
+        const to_stub = join(dst, bin, entry.name);
 
         let sh = `#!/bin/sh\n`;
         for (const [key, value] of Object.entries(env)) {
@@ -288,12 +294,13 @@ async function create_v_symlinks(prefix: string) {
 
 function expand_runtime_env(
   runtime_env: Record<string, Record<string, string>>,
+  basePath: string,
 ) {
   const expanded: Record<string, Record<string, string>> = {};
   for (const [project, env] of Object.entries(runtime_env)) {
     const expanded_env: Record<string, string> = {};
     for (const [key, value] of Object.entries(env)) {
-      const new_value = value.replaceAll(/\$?{{.*prefix}}/g, "/usr/local");
+      const new_value = value.replaceAll(/\$?{{.*prefix}}/g, basePath);
       expanded_env[key] = new_value;
     }
     expanded[project] = expanded_env;