Initial commit

src/cache/restore-cache.ts

@@ -0,0 +1,63 @@
+import * as cache from '@actions/cache'
+import * as glob from '@actions/glob'
+import * as core from '@actions/core'
+import path from 'path'
+import {cacheDependencyGlob, cacheLocalPath, cacheSuffix} from '../utils/inputs'
+import {getArch, getPlatform} from '../utils/platforms'
+
+export const STATE_CACHE_KEY = 'cache-key'
+export const STATE_CACHE_MATCHED_KEY = 'cache-matched-key'
+const CACHE_VERSION = '1'
+const fullCacheDependencyGlob = `${process.env['GITHUB_WORKSPACE']}${path.sep}${cacheDependencyGlob}`
+
+export async function restoreCache(version: string): Promise<void> {
+  const cacheKey = await computeKeys(version)
+
+  let matchedKey: string | undefined
+  core.info(
+    `Trying to restore uv cache from GitHub Actions cache with key: ${cacheKey}`
+  )
+  try {
+    matchedKey = await cache.restoreCache([cacheLocalPath], cacheKey)
+  } catch (err) {
+    const message = (err as Error).message
+    core.warning(message)
+    core.setOutput('cache-hit', false)
+    return
+  }
+
+  core.saveState(STATE_CACHE_KEY, cacheKey)
+
+  handleMatchResult(matchedKey, cacheKey)
+}
+
+async function computeKeys(version: string): Promise<string> {
+  let cacheDependencyPathHash = '-'
+  if (fullCacheDependencyGlob !== '') {
+    cacheDependencyPathHash += await glob.hashFiles(fullCacheDependencyGlob)
+    if (cacheDependencyPathHash === '-') {
+      throw new Error(
+        `No file in ${process.cwd()} matched to [${cacheDependencyGlob}], make sure you have checked out the target repository`
+      )
+    }
+  }
+  const suffix = cacheSuffix ? `-${cacheSuffix}` : ''
+  return `setup-uv-${CACHE_VERSION}-${getArch()}-${getPlatform()}-${version}${cacheDependencyPathHash}${suffix}`
+}
+
+function handleMatchResult(
+  matchedKey: string | undefined,
+  primaryKey: string
+): void {
+  if (!matchedKey) {
+    core.info(`No GitHub Actions cache found for key: ${primaryKey}`)
+    core.setOutput('cache-hit', false)
+    return
+  }
+
+  core.saveState(STATE_CACHE_MATCHED_KEY, matchedKey)
+  core.info(
+    `uv cache restored from GitHub Actions cache with key: ${matchedKey}`
+  )
+  core.setOutput('cache-hit', true)
+}