Minor fixes

Author: krystian.panek

README.md

@@ -51,6 +51,10 @@ plugins.withId 'cognifide.aem', {
 
 ```
 
+Instances configuration can be even omitted, then *http://localhost:4502* and *http://localhost:4503* will be used by default.
+Content path can also be skipped, because value above is also default. This is only an example how to customize particular values.
+
+
 ### Sub project (specific)
 
 ```
@@ -59,8 +63,8 @@ defaultTasks = ['contentDeploy']
 apply plugin: 'cognifide.aem'
 
 aemSatisfy {
-    local("pkg/apm-2.0.0.zip")
-    // download("https://github.com/Cognifide/APM/releases/download/cqsm-2.0.0/apm-2.0.0.zip")
+    // local("pkg/vanityurls-components-1.0.2.zip")
+    download("https://github.com/Cognifide/APM/releases/download/cqsm-3.0.0/apm-3.0.0.zip")
 }
 
 aemCompose {
@@ -76,9 +80,11 @@ task contentDeploy(dependsOn: [clean, build, aemDeploy])
 
 ```
 
+Snippet above demonstrates customizations valid only for specific project.
+
 ## Tasks
 
-* `aemCompose` - Compose CRX package from JCR content and bundles.
+* `aemCompose` - Compose CRX package from JCR content and bundles. Extends ZIP task.
 * `aemUpload` - Upload composed CRX package into AEM instance(s).
 * `aemInstall` - Install uploaded CRX package on AEM instance(s).
 * `aemActivate` - Replicate installed CRX package to other AEM instance(s).

src/main/kotlin/com/cognifide/gradle/aem/deploy/SatisfyTask.kt

@@ -71,19 +71,23 @@ open class SatisfyTask : AbstractTask() {
         provide {
             val file = File(downloadDir, FilenameUtils.getName(url))
 
-            logger.info("Downloading package from URL: $url")
-
-            val out = BufferedOutputStream(FileOutputStream(file))
-            val connection = URL(url).openConnection()
-
-            configurer(connection)
-            connection.getInputStream().use { input ->
-                out.use { fileOut ->
-                    input.copyTo(fileOut)
+            if (file.exists()) {
+                logger.info("Reusing previously downloaded package from URL: $url")
+            } else {
+                logger.info("Downloading package from URL: $url")
+
+                val out = BufferedOutputStream(FileOutputStream(file))
+                val connection = URL(url).openConnection()
+
+                configurer(connection)
+                connection.getInputStream().use { input ->
+                    out.use { fileOut ->
+                        input.copyTo(fileOut)
+                    }
                 }
-            }
 
-            logger.info("Packaged downloaded into path: ${file.absolutePath}")
+                logger.info("Packaged downloaded into path: ${file.absolutePath}")
+            }
 
             file
         }