Add input manifest-file (#454)

Adds capability to maintain custom uv builds or to override the default
sources

src/utils/fetch.ts

@@ -0,0 +1,21 @@
+import { fetch as undiciFetch, ProxyAgent, type RequestInit } from "undici";
+
+export function getProxyAgent() {
+  const httpProxy = process.env.HTTP_PROXY || process.env.http_proxy;
+  if (httpProxy) {
+    return new ProxyAgent(httpProxy);
+  }
+
+  const httpsProxy = process.env.HTTPS_PROXY || process.env.https_proxy;
+  if (httpsProxy) {
+    return new ProxyAgent(httpsProxy);
+  }
+
+  return undefined;
+}
+
+export const fetch = async (url: string, opts: RequestInit) =>
+  await undiciFetch(url, {
+    dispatcher: getProxyAgent(),
+    ...opts,
+  });

src/utils/inputs.ts

@@ -1,5 +1,6 @@
 import * as core from "@actions/core";
 import path from "node:path";
+import { getManifestFromRepo } from "@actions/tool-cache";
 
 export const version = core.getInput("version");
 export const pythonVersion = core.getInput("python-version");
@@ -19,6 +20,7 @@ export const toolBinDir = getToolBinDir();
 export const toolDir = getToolDir();
 export const serverUrl = core.getInput("server-url");
 export const githubToken = core.getInput("github-token");
+export const manifestFile = getManifestFile();
 
 function getEnableCache(): boolean {
   const enableCacheInput = core.getInput("enable-cache");
@@ -85,3 +87,11 @@ function expandTilde(input: string): string {
   }
   return input;
 }
+
+function getManifestFile(): string | undefined {
+  const manifestFileInput = core.getInput("manifest-file");
+  if (manifestFileInput !== "") {
+    return manifestFileInput;
+  }
+  return undefined;
+}

src/utils/octokit.ts

@@ -8,7 +8,7 @@ import {
   type PaginateInterface,
 } from "@octokit/plugin-paginate-rest";
 import { legacyRestEndpointMethods } from "@octokit/plugin-rest-endpoint-methods";
-import { fetch as undiciFetch, ProxyAgent, type RequestInit } from "undici";
+import { fetch as customFetch } from "./fetch";
 
 export type { RestEndpointMethodTypes } from "@octokit/plugin-rest-endpoint-methods";
 
@@ -17,26 +17,6 @@ const DEFAULTS = {
   userAgent: "setup-uv",
 };
 
-export function getProxyAgent() {
-  const httpProxy = process.env.HTTP_PROXY || process.env.http_prox;
-  if (httpProxy) {
-    return new ProxyAgent(httpProxy);
-  }
-
-  const httpsProxy = process.env.HTTPS_PROXY || process.env.https_proxy;
-  if (httpsProxy) {
-    return new ProxyAgent(httpsProxy);
-  }
-
-  return undefined;
-}
-
-export const customFetch = async (url: string, opts: RequestInit) =>
-  await undiciFetch(url, {
-    dispatcher: getProxyAgent(),
-    ...opts,
-  });
-
 export const Octokit: typeof Core &
   Constructor<
     {