Make assigning of the script path intuitive

dist/index.js

@@ -341,13 +341,14 @@ class DotnetInstallScript {
     constructor() {
         this.scriptName = utils_1.IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
         this.scriptArguments = [];
-        this.scriptPath = '';
         this.escapedScript = path_1.default
             .join(__dirname, '..', 'externals', this.scriptName)
             .replace(/'/g, "''");
-        this.scriptReady = utils_1.IS_WINDOWS
+        if (utils_1.IS_WINDOWS) {
-            ? this.setupScriptPowershell()
+            this.setupScriptPowershell();
-            : this.setupScriptBash();
+            return;
+        }
+        this.setupScriptBash();
     }
     setupScriptPowershell() {
         return __awaiter(this, void 0, void 0, function* () {
@@ -368,14 +369,19 @@ class DotnetInstallScript {
             if (process.env['no_proxy'] != null) {
                 this.scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
             }
-            this.scriptPath =
-                (yield io.which('pwsh', false)) || (yield io.which('powershell', true));
         });
     }
     setupScriptBash() {
         return __awaiter(this, void 0, void 0, function* () {
             (0, fs_1.chmodSync)(this.escapedScript, '777');
-            this.scriptPath = yield io.which(this.escapedScript, true);
+        });
+    }
+    getScriptPath() {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (utils_1.IS_WINDOWS) {
+                return (yield io.which('pwsh', false)) || io.which('powershell', true);
+            }
+            return io.which(this.escapedScript, true);
         });
     }
     useArguments(...args) {
@@ -401,8 +407,7 @@ class DotnetInstallScript {
                 ignoreReturnCode: true,
                 env: process.env
             };
-            yield this.scriptReady;
+            return exec.getExecOutput(`"${yield this.getScriptPath()}"`, this.scriptArguments, getExecOutputOptions);
-            return exec.getExecOutput(`"${this.scriptPath}"`, this.scriptArguments, getExecOutputOptions);
         });
     }
 }

src/installer.ts

@@ -129,17 +129,18 @@ export class DotnetInstallScript {
   private scriptName = IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
   private escapedScript: string;
   private scriptArguments: string[] = [];
-  private scriptPath = '';
-  private scriptReady: Promise<void>;
 
   constructor() {
     this.escapedScript = path
       .join(__dirname, '..', 'externals', this.scriptName)
       .replace(/'/g, "''");
 
-    this.scriptReady = IS_WINDOWS
+    if (IS_WINDOWS) {
-      ? this.setupScriptPowershell()
+      this.setupScriptPowershell();
-      : this.setupScriptBash();
+      return;
+    }
+
+    this.setupScriptBash();
   }
 
   private async setupScriptPowershell() {
@@ -162,14 +163,18 @@ export class DotnetInstallScript {
     if (process.env['no_proxy'] != null) {
       this.scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
     }
-
-    this.scriptPath =
-      (await io.which('pwsh', false)) || (await io.which('powershell', true));
   }
 
   private async setupScriptBash() {
     chmodSync(this.escapedScript, '777');
-    this.scriptPath = await io.which(this.escapedScript, true);
+  }
+
+  private async getScriptPath() {
+    if (IS_WINDOWS) {
+      return (await io.which('pwsh', false)) || io.which('powershell', true);
+    }
+
+    return io.which(this.escapedScript, true);
   }
 
   public useArguments(...args: string[]) {
@@ -202,10 +207,8 @@ export class DotnetInstallScript {
       env: process.env as {string: string}
     };
 
-    await this.scriptReady;
-
     return exec.getExecOutput(
-      `"${this.scriptPath}"`,
+      `"${await this.getScriptPath()}"`,
       this.scriptArguments,
       getExecOutputOptions
     );