Add ability to cache only latest N versions and cache github/gh-aw-actions (#136)

* add ability to cache only latest N versions

* fix test

script/internal/update-action.js

@@ -23,8 +23,10 @@ async function main() {
       const patterns = config.patterns
       const defaultBranch = config.defaultBranch
       const ignoreTags = config.ignoreTags
+      const latestMajorVersions = args.latestMajorVersions || config.latestMajorVersions
+      const latestVersionsPerMajor = args.latestVersionsPerMajor || config.latestVersionsPerMajor
       assert.ok(patterns && patterns.length, 'Existing patterns must not be empty')
-      await actionConfig.add(owner, repo, patterns, defaultBranch, ignoreTags)
+      await actionConfig.add(owner, repo, patterns, defaultBranch, ignoreTags, latestMajorVersions, latestVersionsPerMajor)
     }
   }
   catch (err) {
@@ -51,6 +53,8 @@ class Args {
   all = false
   owner = ''
   repo = ''
+  latestMajorVersions = 0
+  latestVersionsPerMajor = 0
 }
 
 /**
@@ -58,9 +62,11 @@ class Args {
  * @returns {Args}
  */
 function getArgs() {
-  const parsedArgs = argHelper.parse(['all'])
+  const parsedArgs = argHelper.parse(['all'], ['latest-major-versions', 'latest-versions-per-major'])
   const result = new Args()
   result.all = !!parsedArgs.flags['all']
+  result.latestMajorVersions = parseNonNegativeInt(parsedArgs.options['latest-major-versions'], 'latest-major-versions')
+  result.latestVersionsPerMajor = parseNonNegativeInt(parsedArgs.options['latest-versions-per-major'], 'latest-versions-per-major')
 
   // All
   if (result.all) {
@@ -88,9 +94,21 @@ function getArgs() {
   return result
 }
 
+function parseNonNegativeInt(value, name) {
+  if (!value) return 0
+  const n = Number(value)
+  if (!Number.isInteger(n) || n < 0) {
+    argHelper.throwError(`--${name} must be a non-negative integer, got '${value}'`)
+  }
+  return n
+}
+
 function printUsage() {
-  console.error('USAGE: update-action.sh nwo')
-  console.error(`  nwo     Name with owner. For example: actions/checkout`)
+  console.error('USAGE: update-action.sh [--all] [--latest-major-versions N] [--latest-versions-per-major N] [nwo]')
+  console.error(`  --all                       Update all configured actions`)
+  console.error(`  --latest-major-versions     Update to only keep the latest N major versions`)
+  console.error(`  --latest-versions-per-major Update to only keep the latest N version tags per major`)
+  console.error(`  nwo                         Name with owner. For example: actions/checkout`)
 }
 
 main()