Rename and document parameters for clarity

- cache-paths -> gradle-home-cache-includes
- cache-exclude-paths -> gradle-home-cache-excludes
- CACHE_DEBUG_ENABLED -> GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED

src/cache-gradle-user-home.ts

@@ -14,6 +14,10 @@ import {
 
 const META_FILE_DIR = '.gradle-build-action'
 
+const INCLUDE_PATHS_PARAMETER = 'gradle-home-cache-includes'
+const EXCLUDE_PATHS_PARAMETER = 'gradle-home-cache-excludes'
+const ARTIFACT_BUNDLES_PARAMETER = 'gradle-home-cache-artifact-bundles'
+
 export class GradleUserHomeCache extends AbstractCache {
     private gradleUserHome: string
 
@@ -81,7 +85,7 @@ export class GradleUserHomeCache extends AbstractCache {
 
     private removeExcludedPaths(): void {
         const rawPaths: string[] = JSON.parse(
-            core.getInput('cache-exclude-paths')
+            core.getInput(EXCLUDE_PATHS_PARAMETER)
         )
         const resolvedPaths = rawPaths.map(x =>
             path.resolve(this.gradleUserHome, x)
@@ -189,7 +193,9 @@ export class GradleUserHomeCache extends AbstractCache {
     }
 
     protected getCachePath(): string[] {
-        const rawPaths: string[] = JSON.parse(core.getInput('cache-paths'))
+        const rawPaths: string[] = JSON.parse(
+            core.getInput(INCLUDE_PATHS_PARAMETER)
+        )
         rawPaths.push(META_FILE_DIR)
         const resolvedPaths = rawPaths.map(x => this.resolveCachePath(x))
         this.debug(`Using cache paths: ${resolvedPaths}`)
@@ -205,7 +211,9 @@ export class GradleUserHomeCache extends AbstractCache {
     }
 
     private getArtifactBundles(): Map<string, string> {
-        const artifactBundleDefinition = core.getInput('cache-artifact-bundles')
+        const artifactBundleDefinition = core.getInput(
+            ARTIFACT_BUNDLES_PARAMETER
+        )
         this.debug(
             `Using artifact bundle definition: ${artifactBundleDefinition}`
         )

src/cache-utils.ts

@@ -5,21 +5,27 @@ import * as crypto from 'crypto'
 import * as path from 'path'
 import * as fs from 'fs'
 
+const CACHE_DISABLED_PARAMETER = 'cache-disabled'
+const CACHE_READONLY_PARAMETER = 'cache-read-only'
+const JOB_CONTEXT_PARAMETER = 'workflow-job-context'
+const CACHE_DEBUG_VAR = 'GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED'
+const CACHE_PREFIX_VAR = 'GRADLE_BUILD_ACTION_CACHE_KEY_PREFIX'
+
 export function isCacheDisabled(): boolean {
-    return core.getBooleanInput('cache-disabled')
+    return core.getBooleanInput(CACHE_DISABLED_PARAMETER)
 }
 
 export function isCacheReadOnly(): boolean {
-    return core.getBooleanInput('cache-read-only')
+    return core.getBooleanInput(CACHE_READONLY_PARAMETER)
 }
 
 export function isCacheDebuggingEnabled(): boolean {
-    return process.env['CACHE_DEBUG_ENABLED'] ? true : false
+    return process.env[CACHE_DEBUG_VAR] ? true : false
 }
 
 export function getCacheKeyPrefix(): string {
     // Prefix can be used to force change all cache keys (defaults to cache protocol version)
-    return process.env['CACHE_KEY_PREFIX'] || 'v3-'
+    return process.env[CACHE_PREFIX_VAR] || 'v3-'
 }
 
 function generateCacheKey(cacheName: string): CacheKey {
@@ -47,7 +53,7 @@ function generateCacheKey(cacheName: string): CacheKey {
 
 function determineJobContext(): string {
     // By default, we hash the full `matrix` data for the run, to uniquely identify this job invocation
-    const workflowJobContext = core.getInput('workflow-job-context')
+    const workflowJobContext = core.getInput(JOB_CONTEXT_PARAMETER)
     return hashStrings([workflowJobContext])
 }