auto-search powershell $PATH

tabby-local/package.json

@@ -22,6 +22,7 @@
   "devDependencies": {
     "ansi-colors": "^4.1.1",
     "dataurl": "0.1.0",
+    "hasbin": "^1.2.3",
     "ps-node": "^0.1.6",
     "runes": "^0.4.2",
     "utils-decorators": "^1.8.3"

tabby-local/src/shells/windowsStock.ts

 import * as path from 'path'
+import * as fs from 'fs/promises'
+import hasbin from 'hasbin'
+import { promisify } from 'util'
 import { Injectable } from '@angular/core'
 import { HostAppService, Platform } from 'tabby-core'
 import { ElectronService } from 'tabby-electron'
@@ -59,7 +62,7 @@ export class WindowsStockShellsProvider extends ShellProvider {
             {
                 id: 'powershell',
                 name: 'PowerShell',
-                command: 'powershell.exe',
+                command: await this.getPowerShellPath(),
                 args: ['-nologo'],
                 icon: require('../icons/powershell.svg'),
                 env: {
@@ -68,4 +71,23 @@ export class WindowsStockShellsProvider extends ShellProvider {
             },
         ]
     }
+
+    private async getPowerShellPath () {
+        const ps = 'powershell.exe'
+
+        if (!await promisify(hasbin)(ps)) {
+            for (const searchPath of [
+                `${process.env.SystemRoot}\\System32\\WindowsPowerShell\\v1.0`,
+                `${process.env.SystemRoot}\\System32`,
+                process.env.SystemRoot ?? 'C:\\Windows',
+            ]) {
+                const newPath = path.join(searchPath, ps)
+                try {
+                    await fs.stat(newPath)
+                    return newPath
+                } catch { }
+            }
+        }
+        return ps
+    }
 }

tabby-local/yarn.lock

@@ -7,6 +7,11 @@ ansi-colors@^4.1.1:
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.1.tgz#cbb9ae256bf750af1eab344f229aa27fe94ba348"
   integrity sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==
 
+async@~1.5:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
+  integrity sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=
+
 connected-domain@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/connected-domain/-/connected-domain-1.0.0.tgz#bfe77238c74be453a79f0cb6058deeb4f2358e93"
@@ -17,6 +22,13 @@ dataurl@0.1.0:
   resolved "https://registry.yarnpkg.com/dataurl/-/dataurl-0.1.0.tgz#1f4734feddec05ffe445747978d86759c4b33199"
   integrity sha1-H0c0/t3sBf/kRXR5eNhnWcSzMZk=
 
+hasbin@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/hasbin/-/hasbin-1.2.3.tgz#78c5926893c80215c2b568ae1fd3fcab7a2696b0"
+  integrity sha1-eMWSaJPIAhXCtWiuH9P8q3omlrA=
+  dependencies:
+    async "~1.5"
+
 opentype.js@^1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/opentype.js/-/opentype.js-1.3.3.tgz#65b8645b090a1ad444065b784d442fa19d1061f6"