feat(cli): resolve node, java and the npm, pip and gem tools from the tool-versions data

packages/base/src/tool-versions-schema.ts

@@ -51,7 +51,10 @@ export const ToolVersion = z.object({
   version: z.string().min(1),
   prerelease: z.literal(true).exactOptional(),
   lts: z.literal(true).exactOptional(),
-  /** the registry deprecates the version, only for npm tools */
+  /**
+   * the registry deprecates the version: npm deprecated it, all its PyPI files
+   * are yanked, or the gem is gone from rubygems
+   */
   deprecated: z.literal(true).exactOptional(),
   /** when the version was released, in UTC */
   releaseTimestamp: z.iso.datetime().exactOptional(),

packages/base/src/tool-versions-types.ts

@@ -50,7 +50,8 @@ export interface ToolVersion {
   prerelease?: true;
   lts?: true;
   /**
-   * The registry deprecates the version, only for npm tools.
+   * The registry deprecates the version: npm deprecated it, all its PyPI files
+   * are yanked, or the gem is gone from rubygems.
    */
   deprecated?: true;
   /**

src/cli/command/install-npm.spec.ts

@@ -35,6 +35,13 @@ describe('cli/command/install-npm', () => {
 
     vi.stubEnv('DEL_CLI_VERSION', '5.0.0');
     expect(await cli.run(['del-cli'])).toBe(0);
+    // install-npm never reads the tool-versions data
+    expect(mocks.resolveVersion).toHaveBeenLastCalledWith(
+      'del-cli',
+      '5.0.0',
+      'npm',
+      false,
+    );
     expect(mocks.installTool).toHaveBeenCalledTimes(2);
     expect(mocks.installTool).toHaveBeenCalledWith(
       'del-cli',

src/cli/command/install-tool.spec.ts

@@ -38,6 +38,13 @@ describe('cli/command/install-tool', () => {
     );
     vi.stubEnv('NODE_VERSION', '16.13.0');
     expect(await cli.run(['node'])).toBe(0);
+    // install-tool may read the tool-versions data
+    expect(mocks.resolveVersion).toHaveBeenLastCalledWith(
+      'node',
+      '16.13.0',
+      undefined,
+      true,
+    );
     expect(mocks.installTool).toHaveBeenCalledTimes(1);
     expect(mocks.installTool).toHaveBeenCalledWith(
       'node',

src/cli/command/install-tool.ts

@@ -75,7 +75,15 @@ export class InstallToolCommand extends Command {
       logger.debug(
         `Try resolving version for ${this.name}@${version ?? 'latest'} ...`,
       );
-      version = await resolveVersion(this.name, version, type);
+      // only `install-tool` reads the tool-versions data, `install-gem`,
+      // `install-npm` and `install-pip` set `this.type` and always ask their
+      // registry
+      version = await resolveVersion(
+        this.name,
+        version,
+        type,
+        this.type === undefined,
+      );
 
       if (!isNonEmptyStringAndNotWhitespace(version)) {
         error = true;