prevent fork bombs

README.md

@@ -24,7 +24,7 @@ All you need is `tea`.
  
 
 
-# tea/cli 0.15.0
+# tea/cli 0.16.0
 
 Open source is a treasure trove—yet those chests are sealed with gnarly locks.
 tea is the key:

src/app.X.ts

@@ -1,14 +1,14 @@
 import { Args } from "hooks/useFlags.ts"
-import { usePantry } from "hooks"
+import { useCellar, usePantry } from "hooks"
 import * as semver from "semver"
-import exec from "./app.exec.ts"
-import { TeaError, UsageError } from "utils"
+import { prepare_exec_cmd } from "./app.exec.ts"
+import { panic, run, TeaError, UsageError } from "utils"
 
 export default async function X(opts: Args) {
   const arg0 = opts.args[0]
   if (!arg0) throw new UsageError()
 
-  let found: { project: string } | undefined | true
+  let found: { project: string } | undefined
 
   const pantry = usePantry()
   for await (const entry of pantry.ls()) {
@@ -25,9 +25,12 @@ export default async function X(opts: Args) {
   }
 
   opts.mode = 'exec'
-  if (found !== true && found) {
-    opts.pkgs.push({ ...found, constraint: new semver.Range('*') })
-  }
+  opts.pkgs.push({ ...found, constraint: new semver.Range('*') })
 
-  await exec(opts)
+  const { env, pkgs } = await prepare_exec_cmd(opts.pkgs, {env: opts.env ?? false})
+  const pkg = pkgs.find(x => x.project == found!.project) ?? panic()
+  const install = await useCellar().resolve(pkg)
+  const cmd = opts.args
+  cmd[0] = install.path.join('bin', arg0).string  // force full path to avoid infinite recursion
+  await run({ cmd, env })
 }

src/app.exec.ts

@@ -173,21 +173,27 @@ async function exec(ass: RV1, pkgs: PackageSpecification[], opts: {env: boolean}
   } break
 
   case 'cmd': {
-    let blueprint: VirtualEnv | undefined
-    if (opts.env) {
-      blueprint = await useVirtualEnv()
-      pkgs.push(...blueprint.pkgs)
-    } else if (magic && (blueprint = await useVirtualEnv().swallow(/^not-found/))) {
-      pkgs.push(...blueprint.pkgs)
-    }
-    const { env } = await install(pkgs)
-    supp(env, blueprint)
+    const { env } = await prepare_exec_cmd(pkgs, opts)
     await run({ cmd: ass.args, env })
   }}
 }
 
 ////
 
+export async function prepare_exec_cmd(pkgs: PackageSpecification[], opts: {env: boolean}) {
+  const { magic } = useFlags()
+  let blueprint: VirtualEnv | undefined
+  if (opts.env) {
+    blueprint = await useVirtualEnv()
+    pkgs.push(...blueprint.pkgs)
+  } else if (magic && (blueprint = await useVirtualEnv().swallow(/^not-found/))) {
+    pkgs.push(...blueprint.pkgs)
+  }
+  const { env } = await install(pkgs)
+  supp(env, blueprint)
+  return { env, pkgs }
+}
+
 import {readLines} from "deno/io/buffer.ts"
 
 async function extract_shebang(path: Path) {