From 53910122f4339319dab629838f6851d8bc97db3b Mon Sep 17 00:00:00 2001
From: Lewis <lewismorgan1995@icloud.com>
Date: Wed, 19 Dec 2018 19:01:55 -0500
Subject: [PATCH] Add option for disabling saves every project evaluation

Caveat: If the properties file does not yet exist, this setting is ignored so it can be created
---
 .../net/thauvin/erik/gradle/semver/SemverConfig.kt    |  2 ++
 .../net/thauvin/erik/gradle/semver/SemverPlugin.kt    | 11 +++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverConfig.kt b/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverConfig.kt
index d27d57a..af6e12a 100644
--- a/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverConfig.kt
+++ b/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverConfig.kt
@@ -43,6 +43,7 @@ open class SemverConfig {
         const val DEFAULT_BUILDMETA_KEY = "buildmeta"
         const val DEFAULT_BUILDMETA_PREFIX_KEY = "buildmeta.prefix"
         const val DEFAULT_SEPARATOR = "separator"
+        const val DEFAULT_SAVE_AFTER_PROJECT_EVALUATE = true
     }
 
     var properties = DEFAULT_PROPERTIES
@@ -63,4 +64,5 @@ open class SemverConfig {
     var separatorKey = DEFAULT_SEPARATOR
         get() = "$keysPrefix$field"
     var keysPrefix = DEFAULT_KEYS_PREFIX
+    var saveAfterProjectEvaluate = DEFAULT_SAVE_AFTER_PROJECT_EVALUATE
 }
diff --git a/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverPlugin.kt b/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverPlugin.kt
index a16c30d..67a05e1 100644
--- a/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverPlugin.kt
+++ b/src/main/kotlin/net/thauvin/erik/gradle/semver/SemverPlugin.kt
@@ -70,6 +70,10 @@ class SemverPlugin : Plugin<Project> {
                     put(config.separatorKey, version.separator)
 
                 propsFile.apply {
+                    if (!exists()) {
+                        // Need to create the file as canWrite() will not work unless the file exists
+                        createNewFile()
+                    }
                     if (canWrite()) {
                         FileOutputStream(this).writer().use {
                             store(it, "Generated by the Semver Plugin for Gradle")
@@ -86,8 +90,8 @@ class SemverPlugin : Plugin<Project> {
         if (GradleVersion.current() < GradleVersion.version("4.8.1")) {
             throw GradleException("The $simpleName plugin requires Gradle version 4.8.1 or greater.")
         }
-        project.afterEvaluate(this::afterEvaluate)
         config = project.extensions.create("semver", SemverConfig::class.java)
+        project.afterEvaluate(this::afterEvaluate)
 
         project.tasks.apply {
             create("incrementMajor", SemverIncrementTask::class.java, config, version, SemverConfig.DEFAULT_MAJOR_KEY)
@@ -132,7 +136,10 @@ class SemverPlugin : Plugin<Project> {
             }
             project.version = version.semver
             project.logger.info("[$simpleName] Project version set to: ${project.version}")
-            saveProperties(config, version)
+            // If first time running and there is no props file, and saveAfterEvaluate is false, then version props would never have been saved before
+            if (config.saveAfterProjectEvaluate || !isFile) {
+                saveProperties(config, version)
+            }
         }
     }
 }