Use --force when pruning cache (#611)

To prevent waiting forever on other running uv processes

src/save-cache.ts

@@ -2,11 +2,12 @@ import * as fs from "node:fs";
 import * as cache from "@actions/cache";
 import * as core from "@actions/core";
 import * as exec from "@actions/exec";
+import * as pep440 from "@renovatebot/pep440";
 import {
   STATE_CACHE_KEY,
   STATE_CACHE_MATCHED_KEY,
 } from "./cache/restore-cache";
-import { STATE_UV_PATH } from "./utils/constants";
+import { STATE_UV_PATH, STATE_UV_VERSION } from "./utils/constants";
 import {
   cacheLocalPath,
   enableCache,
@@ -86,10 +87,15 @@ async function saveCache(): Promise<void> {
 }
 
 async function pruneCache(): Promise<void> {
+  const forceSupported = pep440.gte(core.getState(STATE_UV_VERSION), "0.8.24");
+
   const options: exec.ExecOptions = {
     silent: false,
   };
   const execArgs = ["cache", "prune", "--ci"];
+  if (forceSupported) {
+    execArgs.push("--force");
+  }
 
   core.info("Pruning cache...");
   const uvPath = core.getState(STATE_UV_PATH);

src/setup-uv.ts

@@ -8,7 +8,7 @@ import {
   resolveVersion,
   tryGetFromToolCache,
 } from "./download/download-version";
-import { STATE_UV_PATH } from "./utils/constants";
+import { STATE_UV_PATH, STATE_UV_VERSION } from "./utils/constants";
 import {
   activateEnvironment as activateEnvironmentInput,
   addProblemMatchers,
@@ -56,6 +56,7 @@ async function run(): Promise<void> {
     setCacheDir(cacheLocalPath);
 
     core.setOutput("uv-version", setupResult.version);
+    core.saveState(STATE_UV_VERSION, setupResult.version);
     core.info(`Successfully installed uv version ${setupResult.version}`);
 
     if (enableCache) {

src/utils/constants.ts

@@ -2,3 +2,4 @@ export const REPO = "uv";
 export const OWNER = "astral-sh";
 export const TOOL_CACHE_NAME = "uv";
 export const STATE_UV_PATH = "uv-path";
+export const STATE_UV_VERSION = "uv-version";