Refactor inputs (#823)

Don't load at import time and make it easier to test

__tests__/download/manifest.test.ts

@@ -17,7 +17,6 @@ const {
   fetchManifest,
   getAllVersions,
   getArtifact,
-  getLatestVersion,
   parseManifest,
 } = await import("../../src/download/manifest");
 

__tests__/utils/inputs.test.ts

@@ -1,3 +1,6 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
 import {
   afterEach,
   beforeEach,
@@ -7,9 +10,13 @@ import {
   jest,
 } from "@jest/globals";
 
-// Will be mutated per test before (re-)importing the module under test
 let mockInputs: Record<string, string> = {};
+const tempDirs: string[] = [];
 const ORIGINAL_HOME = process.env.HOME;
+const ORIGINAL_RUNNER_ENVIRONMENT = process.env.RUNNER_ENVIRONMENT;
+const ORIGINAL_RUNNER_TEMP = process.env.RUNNER_TEMP;
+const ORIGINAL_UV_CACHE_DIR = process.env.UV_CACHE_DIR;
+const ORIGINAL_UV_PYTHON_INSTALL_DIR = process.env.UV_PYTHON_INSTALL_DIR;
 
 const mockDebug = jest.fn();
 const mockGetBooleanInput = jest.fn(
@@ -27,118 +34,228 @@ jest.unstable_mockModule("@actions/core", () => ({
   warning: mockWarning,
 }));
 
-async function importInputsModule() {
+const { CacheLocalSource, loadInputs } = await import("../../src/utils/inputs");
-  return await import("../../src/utils/inputs");
+
+function createTempProject(files: Record<string, string>): string {
+  const dir = fs.mkdtempSync(path.join(os.tmpdir(), "setup-uv-inputs-test-"));
+  tempDirs.push(dir);
+
+  for (const [relativePath, content] of Object.entries(files)) {
+    const filePath = path.join(dir, relativePath);
+    fs.mkdirSync(path.dirname(filePath), { recursive: true });
+    fs.writeFileSync(filePath, content);
+  }
+
+  return dir;
 }
 
+function resetEnvironment(): void {
+  jest.clearAllMocks();
+  mockInputs = {};
+  process.env.HOME = "/home/testuser";
+  delete process.env.RUNNER_ENVIRONMENT;
+  delete process.env.RUNNER_TEMP;
+  delete process.env.UV_CACHE_DIR;
+  delete process.env.UV_PYTHON_INSTALL_DIR;
+}
+
+function restoreEnvironment(): void {
+  while (tempDirs.length > 0) {
+    const dir = tempDirs.pop();
+    if (dir !== undefined) {
+      fs.rmSync(dir, { force: true, recursive: true });
+    }
+  }
+
+  process.env.HOME = ORIGINAL_HOME;
+  process.env.RUNNER_ENVIRONMENT = ORIGINAL_RUNNER_ENVIRONMENT;
+  process.env.RUNNER_TEMP = ORIGINAL_RUNNER_TEMP;
+  process.env.UV_CACHE_DIR = ORIGINAL_UV_CACHE_DIR;
+  process.env.UV_PYTHON_INSTALL_DIR = ORIGINAL_UV_PYTHON_INSTALL_DIR;
+}
+
+beforeEach(() => {
+  resetEnvironment();
+});
+
+afterEach(() => {
+  restoreEnvironment();
+});
+
+describe("loadInputs", () => {
+  it("loads defaults for a github-hosted runner", () => {
+    mockInputs["working-directory"] = "/workspace";
+    mockInputs["enable-cache"] = "auto";
+    process.env.RUNNER_ENVIRONMENT = "github-hosted";
+    process.env.RUNNER_TEMP = "/runner-temp";
+
+    const inputs = loadInputs();
+
+    expect(inputs.enableCache).toBe(true);
+    expect(inputs.cacheLocalPath).toEqual({
+      path: "/runner-temp/setup-uv-cache",
+      source: CacheLocalSource.Default,
+    });
+    expect(inputs.pythonDir).toBe("/runner-temp/uv-python-dir");
+    expect(inputs.venvPath).toBe("/workspace/.venv");
+    expect(inputs.manifestFile).toBeUndefined();
+    expect(inputs.resolutionStrategy).toBe("highest");
+  });
+
+  it("uses cache-dir from pyproject.toml when present", () => {
+    mockInputs["working-directory"] = createTempProject({
+      "pyproject.toml": `[project]
+name = "uv-project"
+version = "0.1.0"
+
+[tool.uv]
+cache-dir = "/tmp/pyproject-toml-defined-cache-path"
+`,
+    });
+
+    const inputs = loadInputs();
+
+    expect(inputs.cacheLocalPath).toEqual({
+      path: "/tmp/pyproject-toml-defined-cache-path",
+      source: CacheLocalSource.Config,
+    });
+    expect(mockInfo).toHaveBeenCalledWith(
+      expect.stringContaining("Found cache-dir in"),
+    );
+  });
+
+  it("uses UV_CACHE_DIR from the environment", () => {
+    mockInputs["working-directory"] = createTempProject({});
+    process.env.UV_CACHE_DIR = "/env/cache-dir";
+
+    const inputs = loadInputs();
+
+    expect(inputs.cacheLocalPath).toEqual({
+      path: "/env/cache-dir",
+      source: CacheLocalSource.Env,
+    });
+    expect(mockInfo).toHaveBeenCalledWith(
+      "UV_CACHE_DIR is already set to /env/cache-dir",
+    );
+  });
+
+  it("uses UV_PYTHON_INSTALL_DIR from the environment", () => {
+    mockInputs["working-directory"] = "/workspace";
+    process.env.UV_PYTHON_INSTALL_DIR = "/env/python-dir";
+
+    const inputs = loadInputs();
+
+    expect(inputs.pythonDir).toBe("/env/python-dir");
+    expect(mockInfo).toHaveBeenCalledWith(
+      "UV_PYTHON_INSTALL_DIR is already set to /env/python-dir",
+    );
+  });
+
+  it("warns when parsing a malformed pyproject.toml for cache-dir", () => {
+    mockInputs["working-directory"] = createTempProject({
+      "pyproject.toml": `[project]
+name = "malformed-pyproject-toml-project"
+version = "0.1.0"
+
+[malformed-toml
+`,
+    });
+
+    const inputs = loadInputs();
+
+    expect(inputs.cacheLocalPath).toBeUndefined();
+    expect(mockWarning).toHaveBeenCalledWith(
+      expect.stringContaining("Error while parsing pyproject.toml:"),
+    );
+  });
+
+  it("throws for an invalid resolution strategy", () => {
+    mockInputs["working-directory"] = "/workspace";
+    mockInputs["resolution-strategy"] = "middle";
+
+    expect(() => loadInputs()).toThrow(
+      "Invalid resolution-strategy: middle. Must be 'highest' or 'lowest'.",
+    );
+  });
+});
+
 describe("cacheDependencyGlob", () => {
-  beforeEach(() => {
+  it("returns empty string when input not provided", () => {
-    jest.resetModules();
-    jest.clearAllMocks();
-    mockInputs = {};
-    process.env.HOME = "/home/testuser";
-  });
-
-  afterEach(() => {
-    process.env.HOME = ORIGINAL_HOME;
-  });
-
-  it("returns empty string when input not provided", async () => {
     mockInputs["working-directory"] = "/workspace";
-    const { cacheDependencyGlob } = await importInputsModule();
+
-    expect(cacheDependencyGlob).toBe("");
+    const inputs = loadInputs();
+
+    expect(inputs.cacheDependencyGlob).toBe("");
   });
 
-  it("resolves a single relative path", async () => {
+  it.each([
+    ["requirements.txt", "/workspace/requirements.txt"],
+    ["./uv.lock", "/workspace/uv.lock"],
+  ])("resolves %s to %s", (globInput, expected) => {
     mockInputs["working-directory"] = "/workspace";
-    mockInputs["cache-dependency-glob"] = "requirements.txt";
+    mockInputs["cache-dependency-glob"] = globInput;
-    const { cacheDependencyGlob } = await importInputsModule();
+
-    expect(cacheDependencyGlob).toBe("/workspace/requirements.txt");
+    const inputs = loadInputs();
+
+    expect(inputs.cacheDependencyGlob).toBe(expected);
   });
 
-  it("strips leading ./ from relative path", async () => {
+  it("handles multiple lines, trimming whitespace, tilde expansion and absolute paths", () => {
-    mockInputs["working-directory"] = "/workspace";
-    mockInputs["cache-dependency-glob"] = "./uv.lock";
-    const { cacheDependencyGlob } = await importInputsModule();
-    expect(cacheDependencyGlob).toBe("/workspace/uv.lock");
-  });
-
-  it("handles multiple lines, trimming whitespace, tilde expansion and absolute paths", async () => {
     mockInputs["working-directory"] = "/workspace";
     mockInputs["cache-dependency-glob"] =
       "  ~/.cache/file1\n ./rel/file2  \nfile3.txt";
-    const { cacheDependencyGlob } = await importInputsModule();
+
-    expect(cacheDependencyGlob).toBe(
+    const inputs = loadInputs();
+
+    expect(inputs.cacheDependencyGlob).toBe(
       [
-        "/home/testuser/.cache/file1", // expanded tilde, absolute path unchanged
+        "/home/testuser/.cache/file1",
-        "/workspace/rel/file2", // ./ stripped and resolved
+        "/workspace/rel/file2",
-        "/workspace/file3.txt", // relative path resolved
+        "/workspace/file3.txt",
       ].join("\n"),
     );
   });
 
-  it("keeps absolute path unchanged in multiline input", async () => {
+  it.each([
-    mockInputs["working-directory"] = "/workspace";
+    [
-    mockInputs["cache-dependency-glob"] = "/abs/path.lock\nrelative.lock";
+      "/abs/path.lock\nrelative.lock",
-    const { cacheDependencyGlob } = await importInputsModule();
-    expect(cacheDependencyGlob).toBe(
       ["/abs/path.lock", "/workspace/relative.lock"].join("\n"),
-    );
+    ],
-  });
+    [
-
+      "!/abs/path.lock\n!relative.lock",
-  it("handles exclusions in relative paths correct", async () => {
-    mockInputs["working-directory"] = "/workspace";
-    mockInputs["cache-dependency-glob"] = "!/abs/path.lock\n!relative.lock";
-    const { cacheDependencyGlob } = await importInputsModule();
-    expect(cacheDependencyGlob).toBe(
       ["!/abs/path.lock", "!/workspace/relative.lock"].join("\n"),
-    );
+    ],
+  ])("normalizes multiline glob %s", (globInput, expected) => {
+    mockInputs["working-directory"] = "/workspace";
+    mockInputs["cache-dependency-glob"] = globInput;
+
+    const inputs = loadInputs();
+
+    expect(inputs.cacheDependencyGlob).toBe(expected);
   });
 });
 
 describe("tool directories", () => {
-  beforeEach(() => {
+  it("expands tilde for tool-bin-dir and tool-dir", () => {
-    jest.resetModules();
-    jest.clearAllMocks();
-    mockInputs = {};
-    process.env.HOME = "/home/testuser";
-  });
-
-  afterEach(() => {
-    process.env.HOME = ORIGINAL_HOME;
-  });
-
-  it("expands tilde for tool-bin-dir and tool-dir", async () => {
     mockInputs["working-directory"] = "/workspace";
     mockInputs["tool-bin-dir"] = "~/tool-bin-dir";
     mockInputs["tool-dir"] = "~/tool-dir";
 
-    const { toolBinDir, toolDir } = await importInputsModule();
+    const inputs = loadInputs();
 
-    expect(toolBinDir).toBe("/home/testuser/tool-bin-dir");
+    expect(inputs.toolBinDir).toBe("/home/testuser/tool-bin-dir");
-    expect(toolDir).toBe("/home/testuser/tool-dir");
+    expect(inputs.toolDir).toBe("/home/testuser/tool-dir");
   });
 });
 
 describe("cacheLocalPath", () => {
-  beforeEach(() => {
+  it("expands tilde in cache-local-path", () => {
-    jest.resetModules();
-    jest.clearAllMocks();
-    mockInputs = {};
-    process.env.HOME = "/home/testuser";
-  });
-
-  afterEach(() => {
-    process.env.HOME = ORIGINAL_HOME;
-  });
-
-  it("expands tilde in cache-local-path", async () => {
     mockInputs["working-directory"] = "/workspace";
     mockInputs["cache-local-path"] = "~/uv-cache/cache-local-path";
 
-    const { CacheLocalSource, cacheLocalPath } = await importInputsModule();
+    const inputs = loadInputs();
 
-    expect(cacheLocalPath).toEqual({
+    expect(inputs.cacheLocalPath).toEqual({
       path: "/home/testuser/uv-cache/cache-local-path",
       source: CacheLocalSource.Input,
     });
@@ -146,63 +263,37 @@ describe("cacheLocalPath", () => {
 });
 
 describe("venvPath", () => {
-  beforeEach(() => {
+  it("defaults to .venv in the working directory", () => {
-    jest.resetModules();
-    jest.clearAllMocks();
-    mockInputs = {};
-    process.env.HOME = "/home/testuser";
-  });
-
-  afterEach(() => {
-    process.env.HOME = ORIGINAL_HOME;
-  });
-
-  it("defaults to .venv in the working directory", async () => {
     mockInputs["working-directory"] = "/workspace";
-    const { venvPath } = await importInputsModule();
+
-    expect(venvPath).toBe("/workspace/.venv");
+    const inputs = loadInputs();
+
+    expect(inputs.venvPath).toBe("/workspace/.venv");
   });
 
-  it("resolves a relative venv-path", async () => {
+  it.each([
+    ["custom-venv", "/workspace/custom-venv"],
+    ["custom-venv/", "/workspace/custom-venv"],
+    ["/tmp/custom-venv", "/tmp/custom-venv"],
+    ["~/.venv", "/home/testuser/.venv"],
+  ])("resolves venv-path %s to %s", (venvPathInput, expected) => {
     mockInputs["working-directory"] = "/workspace";
     mockInputs["activate-environment"] = "true";
-    mockInputs["venv-path"] = "custom-venv";
+    mockInputs["venv-path"] = venvPathInput;
-    const { venvPath } = await importInputsModule();
+
-    expect(venvPath).toBe("/workspace/custom-venv");
+    const inputs = loadInputs();
+
+    expect(inputs.venvPath).toBe(expected);
   });
 
-  it("normalizes venv-path with trailing slash", async () => {
+  it("warns when venv-path is set but activate-environment is false", () => {
-    mockInputs["working-directory"] = "/workspace";
-    mockInputs["activate-environment"] = "true";
-    mockInputs["venv-path"] = "custom-venv/";
-    const { venvPath } = await importInputsModule();
-    expect(venvPath).toBe("/workspace/custom-venv");
-  });
-
-  it("keeps an absolute venv-path unchanged", async () => {
-    mockInputs["working-directory"] = "/workspace";
-    mockInputs["activate-environment"] = "true";
-    mockInputs["venv-path"] = "/tmp/custom-venv";
-    const { venvPath } = await importInputsModule();
-    expect(venvPath).toBe("/tmp/custom-venv");
-  });
-
-  it("expands tilde in venv-path", async () => {
-    mockInputs["working-directory"] = "/workspace";
-    mockInputs["activate-environment"] = "true";
-    mockInputs["venv-path"] = "~/.venv";
-    const { venvPath } = await importInputsModule();
-    expect(venvPath).toBe("/home/testuser/.venv");
-  });
-
-  it("warns when venv-path is set but activate-environment is false", async () => {
     mockInputs["working-directory"] = "/workspace";
     mockInputs["venv-path"] = "custom-venv";
 
-    const { activateEnvironment, venvPath } = await importInputsModule();
+    const inputs = loadInputs();
 
-    expect(activateEnvironment).toBe(false);
+    expect(inputs.activateEnvironment).toBe(false);
-    expect(venvPath).toBe("/workspace/custom-venv");
+    expect(inputs.venvPath).toBe("/workspace/custom-venv");
     expect(mockWarning).toHaveBeenCalledWith(
       "venv-path is only used when activate-environment is true",
     );

src/cache/restore-cache.ts

@@ -1,15 +1,7 @@
 import * as cache from "@actions/cache";
 import * as core from "@actions/core";
 import { hashFiles } from "../hash/hash-files";
-import {
+import type { SetupInputs } from "../utils/inputs";
-  cacheDependencyGlob,
-  cacheLocalPath,
-  cachePython,
-  cacheSuffix,
-  pruneCache,
-  pythonDir,
-  restoreCache as shouldRestoreCache,
-} from "../utils/inputs";
 import { getArch, getOSNameVersion, getPlatform } from "../utils/platforms";
 
 export const STATE_CACHE_KEY = "cache-key";
@@ -18,18 +10,21 @@ export const STATE_PYTHON_CACHE_MATCHED_KEY = "python-cache-matched-key";
 
 const CACHE_VERSION = "2";
 
-export async function restoreCache(pythonVersion?: string): Promise<void> {
+export async function restoreCache(
-  const cacheKey = await computeKeys(pythonVersion);
+  inputs: SetupInputs,
+  pythonVersion?: string,
+): Promise<void> {
+  const cacheKey = await computeKeys(inputs, pythonVersion);
   core.saveState(STATE_CACHE_KEY, cacheKey);
   core.setOutput("cache-key", cacheKey);
 
-  if (!shouldRestoreCache) {
+  if (!inputs.restoreCache) {
     core.info("restore-cache is false. Skipping restore cache step.");
     core.setOutput("python-cache-hit", false);
     return;
   }
 
-  if (cacheLocalPath === undefined) {
+  if (inputs.cacheLocalPath === undefined) {
     throw new Error(
       "cache-local-path is not set. Cannot restore cache without a valid cache path.",
     );
@@ -37,15 +32,15 @@ export async function restoreCache(pythonVersion?: string): Promise<void> {
 
   await restoreCacheFromKey(
     cacheKey,
-    cacheLocalPath.path,
+    inputs.cacheLocalPath.path,
     STATE_CACHE_MATCHED_KEY,
     "cache-hit",
   );
 
-  if (cachePython) {
+  if (inputs.cachePython) {
     await restoreCacheFromKey(
       `${cacheKey}-python`,
-      pythonDir,
+      inputs.pythonDir,
       STATE_PYTHON_CACHE_MATCHED_KEY,
       "python-cache-hit",
     );
@@ -76,28 +71,34 @@ async function restoreCacheFromKey(
   handleMatchResult(matchedKey, cacheKey, stateKey, outputKey);
 }
 
-async function computeKeys(pythonVersion?: string): Promise<string> {
+async function computeKeys(
+  inputs: SetupInputs,
+  pythonVersion?: string,
+): Promise<string> {
   let cacheDependencyPathHash = "-";
-  if (cacheDependencyGlob !== "") {
+  if (inputs.cacheDependencyGlob !== "") {
     core.info(
-      `Searching files using cache dependency glob: ${cacheDependencyGlob.split("\n").join(",")}`,
+      `Searching files using cache dependency glob: ${inputs.cacheDependencyGlob.split("\n").join(",")}`,
+    );
+    cacheDependencyPathHash += await hashFiles(
+      inputs.cacheDependencyGlob,
+      true,
     );
-    cacheDependencyPathHash += await hashFiles(cacheDependencyGlob, true);
     if (cacheDependencyPathHash === "-") {
       core.warning(
-        `No file matched to [${cacheDependencyGlob.split("\n").join(",")}]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`,
+        `No file matched to [${inputs.cacheDependencyGlob.split("\n").join(",")}]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`,
       );
     }
   }
   if (cacheDependencyPathHash === "-") {
     cacheDependencyPathHash = "-no-dependency-glob";
   }
-  const suffix = cacheSuffix ? `-${cacheSuffix}` : "";
+  const suffix = inputs.cacheSuffix ? `-${inputs.cacheSuffix}` : "";
   const version = pythonVersion ?? "unknown";
   const platform = await getPlatform();
   const osNameVersion = getOSNameVersion();
-  const pruned = pruneCache ? "-pruned" : "";
+  const pruned = inputs.pruneCache ? "-pruned" : "";
-  const python = cachePython ? "-py" : "";
+  const python = inputs.cachePython ? "-py" : "";
   return `setup-uv-${CACHE_VERSION}-${getArch()}-${platform}-${osNameVersion}-${version}${pruned}${python}${cacheDependencyPathHash}${suffix}`;
 }
 

src/download/download-version.ts

@@ -33,7 +33,7 @@ export async function downloadVersion(
   platform: Platform,
   arch: Architecture,
   version: string,
-  checkSum: string | undefined,
+  checksum: string | undefined,
   githubToken: string,
   manifestUrl?: string,
 ): Promise<{ version: string; cachedToolDir: string }> {
@@ -47,10 +47,10 @@ export async function downloadVersion(
 
   // For the default astral-sh/versions source, checksum validation relies on
   // user input or the built-in KNOWN_CHECKSUMS table, not manifest sha256 values.
-  const checksum =
+  const resolvedChecksum =
     manifestUrl === undefined
-      ? checkSum
+      ? checksum
-      : resolveChecksum(checkSum, artifact.checksum);
+      : resolveChecksum(checksum, artifact.checksum);
 
   const mirrorUrl = rewriteToMirror(artifact.downloadUrl);
   const downloadUrl = mirrorUrl ?? artifact.downloadUrl;
@@ -64,7 +64,7 @@ export async function downloadVersion(
       platform,
       arch,
       version,
-      checksum,
+      resolvedChecksum,
       downloadToken,
     );
   } catch (err) {
@@ -82,7 +82,7 @@ export async function downloadVersion(
       platform,
       arch,
       version,
-      checksum,
+      resolvedChecksum,
       githubToken,
     );
   }
@@ -161,11 +161,11 @@ function getMissingArtifactMessage(
 }
 
 function resolveChecksum(
-  checkSum: string | undefined,
+  checksum: string | undefined,
   manifestChecksum: string,
 ): string {
-  return checkSum !== undefined && checkSum !== ""
+  return checksum !== undefined && checksum !== ""
-    ? checkSum
+    ? checksum
     : manifestChecksum;
 }
 

src/save-cache.ts

@@ -9,21 +9,14 @@ import {
   STATE_PYTHON_CACHE_MATCHED_KEY,
 } from "./cache/restore-cache";
 import { STATE_UV_PATH, STATE_UV_VERSION } from "./utils/constants";
-import {
+import { loadInputs, type SetupInputs } from "./utils/inputs";
-  cacheLocalPath,
-  cachePython,
-  enableCache,
-  ignoreNothingToCache,
-  pythonDir,
-  pruneCache as shouldPruneCache,
-  saveCache as shouldSaveCache,
-} from "./utils/inputs";
 
 export async function run(): Promise<void> {
   try {
-    if (enableCache) {
+    const inputs = loadInputs();
-      if (shouldSaveCache) {
+    if (inputs.enableCache) {
-        await saveCache();
+      if (inputs.saveCache) {
+        await saveCache(inputs);
       } else {
         core.info("save-cache is false. Skipping save cache step.");
       }
@@ -43,7 +36,7 @@ export async function run(): Promise<void> {
   }
 }
 
-async function saveCache(): Promise<void> {
+async function saveCache(inputs: SetupInputs): Promise<void> {
   const cacheKey = core.getState(STATE_CACHE_KEY);
   const matchedKey = core.getState(STATE_CACHE_MATCHED_KEY);
 
@@ -54,13 +47,13 @@ async function saveCache(): Promise<void> {
   if (matchedKey === cacheKey) {
     core.info(`Cache hit occurred on key ${cacheKey}, not saving cache.`);
   } else {
-    if (shouldPruneCache) {
+    if (inputs.pruneCache) {
       await pruneCache();
     }
 
-    const actualCachePath = getUvCachePath();
+    const actualCachePath = getUvCachePath(inputs);
     if (!fs.existsSync(actualCachePath)) {
-      if (ignoreNothingToCache) {
+      if (inputs.ignoreNothingToCache) {
         core.info(
           "No cacheable uv cache paths were found. Ignoring because ignore-nothing-to-cache is enabled.",
         );
@@ -79,10 +72,10 @@ async function saveCache(): Promise<void> {
     }
   }
 
-  if (cachePython) {
+  if (inputs.cachePython) {
-    if (!fs.existsSync(pythonDir)) {
+    if (!fs.existsSync(inputs.pythonDir)) {
       core.warning(
-        `Python cache path ${pythonDir} does not exist on disk. Skipping Python cache save because no managed Python installation was found. If you want uv to install managed Python instead of using a system interpreter, set UV_PYTHON_PREFERENCE=only-managed.`,
+        `Python cache path ${inputs.pythonDir} does not exist on disk. Skipping Python cache save because no managed Python installation was found. If you want uv to install managed Python instead of using a system interpreter, set UV_PYTHON_PREFERENCE=only-managed.`,
       );
       return;
     }
@@ -90,7 +83,7 @@ async function saveCache(): Promise<void> {
     const pythonCacheKey = `${cacheKey}-python`;
     await saveCacheToKey(
       pythonCacheKey,
-      pythonDir,
+      inputs.pythonDir,
       STATE_PYTHON_CACHE_MATCHED_KEY,
       "Python cache",
     );
@@ -113,22 +106,22 @@ async function pruneCache(): Promise<void> {
   await exec.exec(uvPath, execArgs, options);
 }
 
-function getUvCachePath(): string {
+function getUvCachePath(inputs: SetupInputs): string {
-  if (cacheLocalPath === undefined) {
+  if (inputs.cacheLocalPath === undefined) {
     throw new Error(
       "cache-local-path is not set. Cannot save cache without a valid cache path.",
     );
   }
   if (
     process.env.UV_CACHE_DIR &&
-    process.env.UV_CACHE_DIR !== cacheLocalPath.path
+    process.env.UV_CACHE_DIR !== inputs.cacheLocalPath.path
   ) {
     core.warning(
-      `The environment variable UV_CACHE_DIR has been changed to "${process.env.UV_CACHE_DIR}", by an action or step running after astral-sh/setup-uv. This can lead to unexpected behavior. If you expected this to happen set the cache-local-path input to "${process.env.UV_CACHE_DIR}" instead of "${cacheLocalPath.path}".`,
+      `The environment variable UV_CACHE_DIR has been changed to "${process.env.UV_CACHE_DIR}", by an action or step running after astral-sh/setup-uv. This can lead to unexpected behavior. If you expected this to happen set the cache-local-path input to "${process.env.UV_CACHE_DIR}" instead of "${inputs.cacheLocalPath.path}".`,
     );
     return process.env.UV_CACHE_DIR;
   }
-  return cacheLocalPath.path;
+  return inputs.cacheLocalPath.path;
 }
 
 async function saveCacheToKey(

src/setup-uv.ts

@@ -9,26 +9,7 @@ import {
   tryGetFromToolCache,
 } from "./download/download-version";
 import { STATE_UV_PATH, STATE_UV_VERSION } from "./utils/constants";
-import {
+import { CacheLocalSource, loadInputs, type SetupInputs } from "./utils/inputs";
-  activateEnvironment as activateEnvironmentInput,
-  addProblemMatchers,
-  CacheLocalSource,
-  cacheLocalPath,
-  checkSum,
-  enableCache,
-  githubToken,
-  ignoreEmptyWorkdir,
-  manifestFile,
-  pythonDir,
-  pythonVersion,
-  resolutionStrategy,
-  toolBinDir,
-  toolDir,
-  venvPath,
-  versionFile as versionFileInput,
-  version as versionInput,
-  workingDirectory,
-} from "./utils/inputs";
 import {
   type Architecture,
   getArch,
@@ -39,9 +20,9 @@ import { getUvVersionFromFile } from "./version/resolve";
 
 const sourceDir = __dirname;
 
-async function getPythonVersion(): Promise<string> {
+async function getPythonVersion(inputs: SetupInputs): Promise<string> {
-  if (pythonVersion !== "") {
+  if (inputs.pythonVersion !== "") {
-    return pythonVersion;
+    return inputs.pythonVersion;
   }
 
   let output = "";
@@ -55,7 +36,7 @@ async function getPythonVersion(): Promise<string> {
   };
 
   try {
-    const execArgs = ["python", "find", "--directory", workingDirectory];
+    const execArgs = ["python", "find", "--directory", inputs.workingDirectory];
     await exec.exec("uv", execArgs, options);
     const pythonPath = output.trim();
 
@@ -71,37 +52,38 @@ async function getPythonVersion(): Promise<string> {
 }
 
 async function run(): Promise<void> {
-  detectEmptyWorkdir();
-  const platform = await getPlatform();
-  const arch = getArch();
-
   try {
+    const inputs = loadInputs();
+    detectEmptyWorkdir(inputs);
+    const platform = await getPlatform();
+    const arch = getArch();
+
     if (platform === undefined) {
       throw new Error(`Unsupported platform: ${process.platform}`);
     }
     if (arch === undefined) {
       throw new Error(`Unsupported architecture: ${process.arch}`);
     }
-    const setupResult = await setupUv(platform, arch, checkSum, githubToken);
+    const setupResult = await setupUv(inputs, platform, arch);
 
-    addToolBinToPath();
+    addToolBinToPath(inputs);
     addUvToPathAndOutput(setupResult.uvDir);
-    setToolDir();
+    setToolDir(inputs);
-    addPythonDirToPath();
+    addPythonDirToPath(inputs);
-    setupPython();
+    setupPython(inputs);
-    await activateEnvironment();
+    await activateEnvironment(inputs);
-    addMatchers();
+    addMatchers(inputs);
-    setCacheDir();
+    setCacheDir(inputs);
 
     core.setOutput("uv-version", setupResult.version);
     core.saveState(STATE_UV_VERSION, setupResult.version);
     core.info(`Successfully installed uv version ${setupResult.version}`);
 
-    const pythonVersion = await getPythonVersion();
+    const detectedPythonVersion = await getPythonVersion(inputs);
-    core.setOutput("python-version", pythonVersion);
+    core.setOutput("python-version", detectedPythonVersion);
 
-    if (enableCache) {
+    if (inputs.enableCache) {
-      await restoreCache(pythonVersion);
+      await restoreCache(inputs, detectedPythonVersion);
     }
     // https://github.com/nodejs/node/issues/56645#issuecomment-3077594952
     await new Promise((resolve) => setTimeout(resolve, 50));
@@ -111,9 +93,9 @@ async function run(): Promise<void> {
   }
 }
 
-function detectEmptyWorkdir(): void {
+function detectEmptyWorkdir(inputs: SetupInputs): void {
-  if (fs.readdirSync(workingDirectory).length === 0) {
+  if (fs.readdirSync(inputs.workingDirectory).length === 0) {
-    if (ignoreEmptyWorkdir) {
+    if (inputs.ignoreEmptyWorkdir) {
       core.info(
         "Empty workdir detected. Ignoring because ignore-empty-workdir is enabled",
       );
@@ -126,12 +108,11 @@ function detectEmptyWorkdir(): void {
 }
 
 async function setupUv(
+  inputs: SetupInputs,
   platform: Platform,
   arch: Architecture,
-  checkSum: string | undefined,
-  githubToken: string,
 ): Promise<{ uvDir: string; version: string }> {
-  const resolvedVersion = await determineVersion();
+  const resolvedVersion = await determineVersion(inputs);
   const toolCacheResult = tryGetFromToolCache(arch, resolvedVersion);
   if (toolCacheResult.installedPath) {
     core.info(`Found uv in tool-cache for ${toolCacheResult.version}`);
@@ -145,9 +126,9 @@ async function setupUv(
     platform,
     arch,
     resolvedVersion,
-    checkSum,
+    inputs.checksum,
-    githubToken,
+    inputs.githubToken,
-    manifestFile,
+    inputs.manifestFile,
   );
 
   return {
@@ -156,34 +137,34 @@ async function setupUv(
   };
 }
 
-async function determineVersion(): Promise<string> {
+async function determineVersion(inputs: SetupInputs): Promise<string> {
   return await resolveVersion(
-    getRequestedVersion(),
+    getRequestedVersion(inputs),
-    manifestFile,
+    inputs.manifestFile,
-    resolutionStrategy,
+    inputs.resolutionStrategy,
   );
 }
 
-function getRequestedVersion(): string {
+function getRequestedVersion(inputs: SetupInputs): string {
-  if (versionInput !== "") {
+  if (inputs.version !== "") {
-    return versionInput;
+    return inputs.version;
   }
 
-  if (versionFileInput !== "") {
+  if (inputs.versionFile !== "") {
-    const versionFromFile = getUvVersionFromFile(versionFileInput);
+    const versionFromFile = getUvVersionFromFile(inputs.versionFile);
     if (versionFromFile === undefined) {
       throw new Error(
-        `Could not determine uv version from file: ${versionFileInput}`,
+        `Could not determine uv version from file: ${inputs.versionFile}`,
       );
     }
     return versionFromFile;
   }
 
   const versionFromUvToml = getUvVersionFromFile(
-    `${workingDirectory}${path.sep}uv.toml`,
+    `${inputs.workingDirectory}${path.sep}uv.toml`,
   );
   const versionFromPyproject = getUvVersionFromFile(
-    `${workingDirectory}${path.sep}pyproject.toml`,
+    `${inputs.workingDirectory}${path.sep}pyproject.toml`,
   );
 
   if (versionFromUvToml === undefined && versionFromPyproject === undefined) {
@@ -207,15 +188,17 @@ function addUvToPathAndOutput(cachedPath: string): void {
   }
 }
 
-function addToolBinToPath(): void {
+function addToolBinToPath(inputs: SetupInputs): void {
-  if (toolBinDir !== undefined) {
+  if (inputs.toolBinDir !== undefined) {
-    core.exportVariable("UV_TOOL_BIN_DIR", toolBinDir);
+    core.exportVariable("UV_TOOL_BIN_DIR", inputs.toolBinDir);
-    core.info(`Set UV_TOOL_BIN_DIR to ${toolBinDir}`);
+    core.info(`Set UV_TOOL_BIN_DIR to ${inputs.toolBinDir}`);
     if (process.env.UV_NO_MODIFY_PATH !== undefined) {
-      core.info(`UV_NO_MODIFY_PATH is set, not adding ${toolBinDir} to path`);
+      core.info(
+        `UV_NO_MODIFY_PATH is set, not adding ${inputs.toolBinDir} to path`,
+      );
     } else {
-      core.addPath(toolBinDir);
+      core.addPath(inputs.toolBinDir);
-      core.info(`Added ${toolBinDir} to the path`);
+      core.info(`Added ${inputs.toolBinDir} to the path`);
     }
   } else {
     if (process.env.UV_NO_MODIFY_PATH !== undefined) {
@@ -235,73 +218,73 @@ function addToolBinToPath(): void {
   }
 }
 
-function setToolDir(): void {
+function setToolDir(inputs: SetupInputs): void {
-  if (toolDir !== undefined) {
+  if (inputs.toolDir !== undefined) {
-    core.exportVariable("UV_TOOL_DIR", toolDir);
+    core.exportVariable("UV_TOOL_DIR", inputs.toolDir);
-    core.info(`Set UV_TOOL_DIR to ${toolDir}`);
+    core.info(`Set UV_TOOL_DIR to ${inputs.toolDir}`);
   }
 }
 
-function addPythonDirToPath(): void {
+function addPythonDirToPath(inputs: SetupInputs): void {
-  core.exportVariable("UV_PYTHON_INSTALL_DIR", pythonDir);
+  core.exportVariable("UV_PYTHON_INSTALL_DIR", inputs.pythonDir);
-  core.info(`Set UV_PYTHON_INSTALL_DIR to ${pythonDir}`);
+  core.info(`Set UV_PYTHON_INSTALL_DIR to ${inputs.pythonDir}`);
   if (process.env.UV_NO_MODIFY_PATH !== undefined) {
     core.info("UV_NO_MODIFY_PATH is set, not adding python dir to path");
   } else {
-    core.addPath(pythonDir);
+    core.addPath(inputs.pythonDir);
-    core.info(`Added ${pythonDir} to the path`);
+    core.info(`Added ${inputs.pythonDir} to the path`);
   }
 }
 
-function setupPython(): void {
+function setupPython(inputs: SetupInputs): void {
-  if (pythonVersion !== "") {
+  if (inputs.pythonVersion !== "") {
-    core.exportVariable("UV_PYTHON", pythonVersion);
+    core.exportVariable("UV_PYTHON", inputs.pythonVersion);
-    core.info(`Set UV_PYTHON to ${pythonVersion}`);
+    core.info(`Set UV_PYTHON to ${inputs.pythonVersion}`);
   }
 }
 
-async function activateEnvironment(): Promise<void> {
+async function activateEnvironment(inputs: SetupInputs): Promise<void> {
-  if (activateEnvironmentInput) {
+  if (inputs.activateEnvironment) {
     if (process.env.UV_NO_MODIFY_PATH !== undefined) {
       throw new Error(
         "UV_NO_MODIFY_PATH and activate-environment cannot be used together.",
       );
     }
 
-    core.info(`Creating and activating python venv at ${venvPath}...`);
+    core.info(`Creating and activating python venv at ${inputs.venvPath}...`);
     await exec.exec("uv", [
       "venv",
-      venvPath,
+      inputs.venvPath,
       "--directory",
-      workingDirectory,
+      inputs.workingDirectory,
       "--clear",
     ]);
 
-    let venvBinPath = `${venvPath}${path.sep}bin`;
+    let venvBinPath = `${inputs.venvPath}${path.sep}bin`;
     if (process.platform === "win32") {
-      venvBinPath = `${venvPath}${path.sep}Scripts`;
+      venvBinPath = `${inputs.venvPath}${path.sep}Scripts`;
     }
     core.addPath(path.resolve(venvBinPath));
-    core.exportVariable("VIRTUAL_ENV", venvPath);
+    core.exportVariable("VIRTUAL_ENV", inputs.venvPath);
-    core.setOutput("venv", venvPath);
+    core.setOutput("venv", inputs.venvPath);
   }
 }
 
-function setCacheDir(): void {
+function setCacheDir(inputs: SetupInputs): void {
-  if (cacheLocalPath !== undefined) {
+  if (inputs.cacheLocalPath !== undefined) {
-    if (cacheLocalPath.source === CacheLocalSource.Config) {
+    if (inputs.cacheLocalPath.source === CacheLocalSource.Config) {
       core.info(
         "Using cache-dir from uv config file, not modifying UV_CACHE_DIR",
       );
       return;
     }
-    core.exportVariable("UV_CACHE_DIR", cacheLocalPath.path);
+    core.exportVariable("UV_CACHE_DIR", inputs.cacheLocalPath.path);
-    core.info(`Set UV_CACHE_DIR to ${cacheLocalPath.path}`);
+    core.info(`Set UV_CACHE_DIR to ${inputs.cacheLocalPath.path}`);
   }
 }
 
-function addMatchers(): void {
+function addMatchers(inputs: SetupInputs): void {
-  if (addProblemMatchers) {
+  if (inputs.addProblemMatchers) {
     const matchersPath = path.join(sourceDir, "..", "..", ".github");
     core.info(`##[add-matcher]${path.join(matchersPath, "python.json")}`);
   }

src/utils/inputs.ts

@@ -9,68 +9,152 @@ export enum CacheLocalSource {
   Default,
 }
 
-export const workingDirectory = core.getInput("working-directory");
+export interface CacheLocalPath {
-export const version = core.getInput("version");
+  path: string;
-export const versionFile = getVersionFile();
+  source: CacheLocalSource;
-export const pythonVersion = core.getInput("python-version");
+}
-export const activateEnvironment = core.getBooleanInput("activate-environment");
-export const venvPath = getVenvPath();
-export const checkSum = core.getInput("checksum");
-export const enableCache = getEnableCache();
-export const restoreCache = core.getInput("restore-cache") === "true";
-export const saveCache = core.getInput("save-cache") === "true";
-export const cacheSuffix = core.getInput("cache-suffix") || "";
-export const cacheLocalPath = getCacheLocalPath();
-export const cacheDependencyGlob = getCacheDependencyGlob();
-export const pruneCache = core.getInput("prune-cache") === "true";
-export const cachePython = core.getInput("cache-python") === "true";
-export const ignoreNothingToCache =
-  core.getInput("ignore-nothing-to-cache") === "true";
-export const ignoreEmptyWorkdir =
-  core.getInput("ignore-empty-workdir") === "true";
-export const toolBinDir = getToolBinDir();
-export const toolDir = getToolDir();
-export const pythonDir = getUvPythonDir();
-export const githubToken = core.getInput("github-token");
-export const manifestFile = getManifestFile();
-export const addProblemMatchers =
-  core.getInput("add-problem-matchers") === "true";
-export const resolutionStrategy = getResolutionStrategy();
 
-function getVersionFile(): string {
+export interface SetupInputs {
-  const versionFileInput = core.getInput("version-file");
+  workingDirectory: string;
+  version: string;
+  versionFile: string;
+  pythonVersion: string;
+  activateEnvironment: boolean;
+  venvPath: string;
+  checksum: string;
+  enableCache: boolean;
+  restoreCache: boolean;
+  saveCache: boolean;
+  cacheSuffix: string;
+  cacheLocalPath?: CacheLocalPath;
+  cacheDependencyGlob: string;
+  pruneCache: boolean;
+  cachePython: boolean;
+  ignoreNothingToCache: boolean;
+  ignoreEmptyWorkdir: boolean;
+  toolBinDir?: string;
+  toolDir?: string;
+  pythonDir: string;
+  githubToken: string;
+  manifestFile?: string;
+  addProblemMatchers: boolean;
+  resolutionStrategy: "highest" | "lowest";
+}
+
+export function loadInputs(): SetupInputs {
+  const workingDirectory = core.getInput("working-directory");
+  const version = core.getInput("version");
+  const versionFile = getVersionFile(
+    workingDirectory,
+    core.getInput("version-file"),
+  );
+  const pythonVersion = core.getInput("python-version");
+  const activateEnvironment = core.getBooleanInput("activate-environment");
+  const venvPath = getVenvPath(
+    workingDirectory,
+    core.getInput("venv-path"),
+    activateEnvironment,
+  );
+  const checksum = core.getInput("checksum");
+  const enableCache = getEnableCache(core.getInput("enable-cache"));
+  const restoreCache = core.getInput("restore-cache") === "true";
+  const saveCache = core.getInput("save-cache") === "true";
+  const cacheSuffix = core.getInput("cache-suffix") || "";
+  const cacheLocalPath = getCacheLocalPath(
+    workingDirectory,
+    versionFile,
+    enableCache,
+  );
+  const cacheDependencyGlob = getCacheDependencyGlob(
+    workingDirectory,
+    core.getInput("cache-dependency-glob"),
+  );
+  const pruneCache = core.getInput("prune-cache") === "true";
+  const cachePython = core.getInput("cache-python") === "true";
+  const ignoreNothingToCache =
+    core.getInput("ignore-nothing-to-cache") === "true";
+  const ignoreEmptyWorkdir = core.getInput("ignore-empty-workdir") === "true";
+  const toolBinDir = getToolBinDir(
+    workingDirectory,
+    core.getInput("tool-bin-dir"),
+  );
+  const toolDir = getToolDir(workingDirectory, core.getInput("tool-dir"));
+  const pythonDir = getUvPythonDir();
+  const githubToken = core.getInput("github-token");
+  const manifestFile = getManifestFile(core.getInput("manifest-file"));
+  const addProblemMatchers = core.getInput("add-problem-matchers") === "true";
+  const resolutionStrategy = getResolutionStrategy(
+    core.getInput("resolution-strategy"),
+  );
+
+  return {
+    activateEnvironment,
+    addProblemMatchers,
+    cacheDependencyGlob,
+    cacheLocalPath,
+    cachePython,
+    cacheSuffix,
+    checksum,
+    enableCache,
+    githubToken,
+    ignoreEmptyWorkdir,
+    ignoreNothingToCache,
+    manifestFile,
+    pruneCache,
+    pythonDir,
+    pythonVersion,
+    resolutionStrategy,
+    restoreCache,
+    saveCache,
+    toolBinDir,
+    toolDir,
+    venvPath,
+    version,
+    versionFile,
+    workingDirectory,
+  };
+}
+
+function getVersionFile(
+  workingDirectory: string,
+  versionFileInput: string,
+): string {
   if (versionFileInput !== "") {
     const tildeExpanded = expandTilde(versionFileInput);
-    return resolveRelativePath(tildeExpanded);
+    return resolveRelativePath(workingDirectory, tildeExpanded);
   }
   return versionFileInput;
 }
 
-function getVenvPath(): string {
+function getVenvPath(
-  const venvPathInput = core.getInput("venv-path");
+  workingDirectory: string,
+  venvPathInput: string,
+  activateEnvironment: boolean,
+): string {
   if (venvPathInput !== "") {
     if (!activateEnvironment) {
       core.warning("venv-path is only used when activate-environment is true");
     }
     const tildeExpanded = expandTilde(venvPathInput);
-    return normalizePath(resolveRelativePath(tildeExpanded));
+    return normalizePath(resolveRelativePath(workingDirectory, tildeExpanded));
   }
-  return normalizePath(resolveRelativePath(".venv"));
+  return normalizePath(resolveRelativePath(workingDirectory, ".venv"));
 }
 
-function getEnableCache(): boolean {
+function getEnableCache(enableCacheInput: string): boolean {
-  const enableCacheInput = core.getInput("enable-cache");
   if (enableCacheInput === "auto") {
     return process.env.RUNNER_ENVIRONMENT === "github-hosted";
   }
   return enableCacheInput === "true";
 }
 
-function getToolBinDir(): string | undefined {
+function getToolBinDir(
-  const toolBinDirInput = core.getInput("tool-bin-dir");
+  workingDirectory: string,
+  toolBinDirInput: string,
+): string | undefined {
   if (toolBinDirInput !== "") {
     const tildeExpanded = expandTilde(toolBinDirInput);
-    return resolveRelativePath(tildeExpanded);
+    return resolveRelativePath(workingDirectory, tildeExpanded);
   }
   if (process.platform === "win32") {
     if (process.env.RUNNER_TEMP !== undefined) {
@@ -83,11 +167,13 @@ function getToolBinDir(): string | undefined {
   return undefined;
 }
 
-function getToolDir(): string | undefined {
+function getToolDir(
-  const toolDirInput = core.getInput("tool-dir");
+  workingDirectory: string,
+  toolDirInput: string,
+): string | undefined {
   if (toolDirInput !== "") {
     const tildeExpanded = expandTilde(toolDirInput);
-    return resolveRelativePath(tildeExpanded);
+    return resolveRelativePath(workingDirectory, tildeExpanded);
   }
   if (process.platform === "win32") {
     if (process.env.RUNNER_TEMP !== undefined) {
@@ -100,21 +186,23 @@ function getToolDir(): string | undefined {
   return undefined;
 }
 
-function getCacheLocalPath():
+function getCacheLocalPath(
-  | {
+  workingDirectory: string,
-      path: string;
+  versionFile: string,
-      source: CacheLocalSource;
+  enableCache: boolean,
-    }
+): CacheLocalPath | undefined {
-  | undefined {
   const cacheLocalPathInput = core.getInput("cache-local-path");
   if (cacheLocalPathInput !== "") {
     const tildeExpanded = expandTilde(cacheLocalPathInput);
     return {
-      path: resolveRelativePath(tildeExpanded),
+      path: resolveRelativePath(workingDirectory, tildeExpanded),
       source: CacheLocalSource.Input,
     };
   }
-  const cacheDirFromConfig = getCacheDirFromConfig();
+  const cacheDirFromConfig = getCacheDirFromConfig(
+    workingDirectory,
+    versionFile,
+  );
   if (cacheDirFromConfig !== undefined) {
     return { path: cacheDirFromConfig, source: CacheLocalSource.Config };
   }
@@ -122,7 +210,7 @@ function getCacheLocalPath():
     core.info(`UV_CACHE_DIR is already set to ${process.env.UV_CACHE_DIR}`);
     return { path: process.env.UV_CACHE_DIR, source: CacheLocalSource.Env };
   }
-  if (getEnableCache()) {
+  if (enableCache) {
     if (process.env.RUNNER_ENVIRONMENT === "github-hosted") {
       if (process.env.RUNNER_TEMP !== undefined) {
         return {
@@ -147,9 +235,12 @@ function getCacheLocalPath():
   }
 }
 
-function getCacheDirFromConfig(): string | undefined {
+function getCacheDirFromConfig(
+  workingDirectory: string,
+  versionFile: string,
+): string | undefined {
   for (const filePath of [versionFile, "uv.toml", "pyproject.toml"]) {
-    const resolvedPath = resolveRelativePath(filePath);
+    const resolvedPath = resolveRelativePath(workingDirectory, filePath);
     try {
       const cacheDir = getConfigValueFromTomlFile(resolvedPath, "cache-dir");
       if (cacheDir !== undefined) {
@@ -175,9 +266,8 @@ export function getUvPythonDir(): string {
   if (process.env.RUNNER_ENVIRONMENT !== "github-hosted") {
     if (process.platform === "win32") {
       return `${process.env.APPDATA}${path.sep}uv${path.sep}python`;
-    } else {
-      return `${process.env.HOME}${path.sep}.local${path.sep}share${path.sep}uv${path.sep}python`;
     }
+    return `${process.env.HOME}${path.sep}.local${path.sep}share${path.sep}uv${path.sep}python`;
   }
   if (process.env.RUNNER_TEMP !== undefined) {
     return `${process.env.RUNNER_TEMP}${path.sep}uv-python-dir`;
@@ -187,14 +277,16 @@ export function getUvPythonDir(): string {
   );
 }
 
-function getCacheDependencyGlob(): string {
+function getCacheDependencyGlob(
-  const cacheDependencyGlobInput = core.getInput("cache-dependency-glob");
+  workingDirectory: string,
+  cacheDependencyGlobInput: string,
+): string {
   if (cacheDependencyGlobInput !== "") {
     return cacheDependencyGlobInput
       .split("\n")
       .map((part) => part.trim())
       .map((part) => expandTilde(part))
-      .map((part) => resolveRelativePath(part))
+      .map((part) => resolveRelativePath(workingDirectory, part))
       .join("\n");
   }
   return cacheDependencyGlobInput;
@@ -220,7 +312,10 @@ function normalizePath(inputPath: string): string {
   return trimmed;
 }
 
-function resolveRelativePath(inputPath: string): string {
+function resolveRelativePath(
+  workingDirectory: string,
+  inputPath: string,
+): string {
   const hasNegation = inputPath.startsWith("!");
   const pathWithoutNegation = hasNegation ? inputPath.substring(1) : inputPath;
 
@@ -232,16 +327,16 @@ function resolveRelativePath(inputPath: string): string {
   return hasNegation ? `!${resolvedPath}` : resolvedPath;
 }
 
-function getManifestFile(): string | undefined {
+function getManifestFile(manifestFileInput: string): string | undefined {
-  const manifestFileInput = core.getInput("manifest-file");
   if (manifestFileInput !== "") {
     return manifestFileInput;
   }
   return undefined;
 }
 
-function getResolutionStrategy(): "highest" | "lowest" {
+function getResolutionStrategy(
-  const resolutionStrategyInput = core.getInput("resolution-strategy");
+  resolutionStrategyInput: string,
+): "highest" | "lowest" {
   if (resolutionStrategyInput === "lowest") {
     return "lowest";
   }