update logic of outputting dotnet-version

dist/index.js

@@ -439,7 +439,8 @@ class DotnetCoreInstaller {
         const regex = /(?<version>\d+\.\d+\.\d+[a-z0-9._-]*)/gm;
         const matchedResult = regex.exec(stdout);
         if (!matchedResult) {
-            throw new Error(`Failed to parse installed by the script version of .NET`);
+            core.warning(`Failed to parse installed by the script version of .NET`);
+            return null;
         }
         return matchedResult.groups.version;
     }
@@ -577,13 +578,18 @@ function run() {
             if (sourceUrl) {
                 auth.configAuthentication(sourceUrl, configFile);
             }
-            const comparisonRange = globalJsonFileInput
+            // const comparisonRange: string = globalJsonFileInput
-                ? versions[versions.length - 1]
+            //   ? versions[versions.length - 1]!
-                : '*';
+            //   : '*';
-            const versionToOutput = semver_1.default.maxSatisfying(installedDotnetVersions, comparisonRange, {
+            // const versionToOutput = semver.maxSatisfying(
-                includePrerelease: true
+            //   installedDotnetVersions,
-            });
+            //   comparisonRange,
-            core.setOutput('dotnet-version', versionToOutput);
+            //   {
+            //     includePrerelease: true
+            //   }
+            // );
+            // core.setOutput('dotnet-version', versionToOutput);
+            outputInstalledVersion(installedDotnetVersions, globalJsonFileInput);
             const matchersPath = path_1.default.join(__dirname, '..', '.github');
             core.info(`##[add-matcher]${path_1.default.join(matchersPath, 'csc.json')}`);
         }
@@ -608,6 +614,24 @@ function getVersionFromGlobalJson(globalJsonPath) {
     }
     return version;
 }
+function outputInstalledVersion(installedVersions, globalJsonFileInput) {
+    if (!installedVersions.length) {
+        core.info(`No .NET version was installed. The 'dotnet-version' output will not be set.`);
+    }
+    if (installedVersions.includes(null)) {
+        core.warning(`Failed to output the installed version of .NET. The 'dotnet-version' output will not be set.`);
+        return;
+    }
+    if (globalJsonFileInput) {
+        const versionToOutput = installedVersions.at(-1);
+        core.setOutput('dotnet-version', versionToOutput);
+        return;
+    }
+    const versionToOutput = semver_1.default.maxSatisfying(installedVersions, '*', {
+        includePrerelease: true
+    });
+    core.setOutput('dotnet-version', versionToOutput);
+}
 run();
 
 

src/installer.ts

@@ -197,7 +197,7 @@ export class DotnetCoreInstaller {
     }
   }
 
-  public async installDotnet(): Promise<string> {
+  public async installDotnet(): Promise<string | null> {
     const windowsDefaultOptions = [
       '-NoLogo',
       '-Sta',
@@ -271,14 +271,13 @@ export class DotnetCoreInstaller {
     return this.parseInstalledVersion(stdout);
   }
 
-  private parseInstalledVersion(stdout: string): string {
+  private parseInstalledVersion(stdout: string): string | null {
     const regex = /(?<version>\d+\.\d+\.\d+[a-z0-9._-]*)/gm;
     const matchedResult = regex.exec(stdout);
 
     if (!matchedResult) {
-      throw new Error(
+      core.warning(`Failed to parse installed by the script version of .NET`);
-        `Failed to parse installed by the script version of .NET`
+      return null;
-      );
     }
     return matchedResult.groups!.version;
   }

src/setup-dotnet.ts

@@ -27,7 +27,7 @@ export async function run() {
     // Proxy, auth, (etc) are still set up, even if no version is identified
     //
     const versions = core.getMultilineInput('dotnet-version');
-    const installedDotnetVersions: string[] = [];
+    const installedDotnetVersions: (string | null)[] = [];
 
     const globalJsonFileInput = core.getInput('global-json-file');
     if (globalJsonFileInput) {
@@ -78,19 +78,20 @@ export async function run() {
       auth.configAuthentication(sourceUrl, configFile);
     }
 
-    const comparisonRange: string = globalJsonFileInput
+    // const comparisonRange: string = globalJsonFileInput
-      ? versions[versions.length - 1]!
+    //   ? versions[versions.length - 1]!
-      : '*';
+    //   : '*';
 
-    const versionToOutput = semver.maxSatisfying(
+    // const versionToOutput = semver.maxSatisfying(
-      installedDotnetVersions,
+    //   installedDotnetVersions,
-      comparisonRange,
+    //   comparisonRange,
-      {
+    //   {
-        includePrerelease: true
+    //     includePrerelease: true
-      }
+    //   }
-    );
+    // );
 
-    core.setOutput('dotnet-version', versionToOutput);
+    // core.setOutput('dotnet-version', versionToOutput);
+    outputInstalledVersion(installedDotnetVersions, globalJsonFileInput);
 
     const matchersPath = path.join(__dirname, '..', '.github');
     core.info(`##[add-matcher]${path.join(matchersPath, 'csc.json')}`);
@@ -116,4 +117,37 @@ function getVersionFromGlobalJson(globalJsonPath: string): string {
   return version;
 }
 
+function outputInstalledVersion(
+  installedVersions: (string | null)[],
+  globalJsonFileInput: string
+): void {
+  if (!installedVersions.length) {
+    core.info(
+      `No .NET version was installed. The 'dotnet-version' output will not be set.`
+    );
+  }
+  if (installedVersions.includes(null)) {
+    core.warning(
+      `Failed to output the installed version of .NET. The 'dotnet-version' output will not be set.`
+    );
+    return;
+  }
+
+  if (globalJsonFileInput) {
+    const versionToOutput = installedVersions.at(-1);
+    core.setOutput('dotnet-version', versionToOutput);
+    return;
+  }
+
+  const versionToOutput = semver.maxSatisfying(
+    installedVersions as string[],
+    '*',
+    {
+      includePrerelease: true
+    }
+  );
+
+  core.setOutput('dotnet-version', versionToOutput);
+}
+
 run();