fix(fallback): allow fallback to local anyway

auto-fallback.js

@@ -8,14 +8,11 @@ command_not_found_${opts.isBash ? 'handle' : 'handler'}() {
     >&2 echo "command not found: $1"
     return 127
   fi
+  echo "$1 not found. Trying with npx..." >&2
   if ! [[ $1 =~ @ ]]; then
-    >&2 echo "command not found: $1"
-    return 127
+    exec npx --no-install "$@"
   fi
-
-  echo "$1 not found. Trying with npx..." >&2
-  npx ${opts.install ? '' : '--no-install '}$*
-  return $?
+  exec npx "$@"
 }`
 }
 
@@ -26,12 +23,12 @@ function __fish_command_not_found_on_interactive --on-event fish_prompt
   functions --erase __fish_command_not_found_setup
 
   function __fish_command_not_found_handler --on-event fish_command_not_found
-    if string match -q -v -r @ $argv[1]
-        echo "fish: Unknown command '$argv[1]'"
-        return 127
-    end
     echo "$argv[1] not found. Trying with npx..." >&2
-    npx ${opts.install ? '' : '--no-install '}$argv
+    if string match -q -r @ $argv[1]
+        npx $argv
+    else
+        npx --no-install $argv
+    end
   end
 
   functions --erase __fish_command_not_found_on_interactive

child.js

@@ -11,7 +11,9 @@ function runCommand (cmdPath, cmdOpts, opts) {
     shell: opts.shell || !!opts.call,
     stdio: opts.stdio || 'inherit'
   }).catch({code: 'ENOENT'}, () => {
-    throw new Error(`npx: command not found: ${path.basename(cmdPath)}`)
+    const err = new Error(`npx: command not found: ${path.basename(cmdPath)}`)
+    err.exitCode = 127
+    throw err
   })
 }
 

index.js

@@ -107,6 +107,7 @@ function getExistingPath (command, opts) {
   } else {
     return which(command).catch({code: 'ENOENT'}, err => {
       if (!opts.install) {
+        err.exitCode = 127
         throw err
       }
     })