From 12aa340e468692d599f330d328c592f1ffcfc2f0 Mon Sep 17 00:00:00 2001
From: Marcin Grzejszczak <marcin@grzejszczak.pl>
Date: Mon, 16 Jan 2017 13:05:15 +0100
Subject: [PATCH] Added an option to build the project in parallel

with this change we've added some scripts to run the build in parallel. It makes the build ~ 2 times faster

fixes #190
---
 README.adoc                                   | 33 +++++++++++++++++++
 docs/src/main/asciidoc/building.adoc          | 33 +++++++++++++++++++
 scripts/noIntegration.sh                      | 10 ++++++
 scripts/parallelBuild.sh                      | 10 ++++++
 .../pom.xml                                   |  1 +
 5 files changed, 87 insertions(+)
 create mode 100755 scripts/noIntegration.sh
 create mode 100755 scripts/parallelBuild.sh

diff --git a/README.adoc b/README.adoc
index b01712dc5a..de570bc6a8 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1639,3 +1639,36 @@ cd spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin
 ./gradlew clean build
 ```
 
+=== Helpful scripts
+
+We're providing a couple of helpful scripts to build the project.
+
+To build the project in parallel (by default uses 4 cores but you can change it)
+
+```
+./scripts/parallelBuild.sh
+```
+
+and with 8 cores
+
+```
+CORES=8 ./scripts/parallelBuild.sh
+```
+
+To build the project without any integration tests (by default uses 1 core)
+
+```
+./scripts/noIntegration.sh
+```
+
+and with 8 cores
+
+```
+CORES=8 ./scripts/noIntegration.sh
+```
+
+To generate the documentation (both the root one and the maven plugin one)
+
+```
+./scripts/generateDocs.sh
+```
diff --git a/docs/src/main/asciidoc/building.adoc b/docs/src/main/asciidoc/building.adoc
index 445653ed3e..7ddc05175d 100644
--- a/docs/src/main/asciidoc/building.adoc
+++ b/docs/src/main/asciidoc/building.adoc
@@ -51,4 +51,37 @@ cd spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin
 ./gradlew clean build
 ```
 
+=== Helpful scripts
+
+We're providing a couple of helpful scripts to build the project.
+
+To build the project in parallel (by default uses 4 cores but you can change it)
+
+```
+./scripts/parallelBuild.sh
+```
+
+and with 8 cores
+
+```
+CORES=8 ./scripts/parallelBuild.sh
+```
+
+To build the project without any integration tests (by default uses 1 core)
+
+```
+./scripts/noIntegration.sh
+```
+
+and with 8 cores
+
+```
+CORES=8 ./scripts/noIntegration.sh
+```
+
+To generate the documentation (both the root one and the maven plugin one)
+
+```
+./scripts/generateDocs.sh
+```
 
diff --git a/scripts/noIntegration.sh b/scripts/noIntegration.sh
new file mode 100755
index 0000000000..4251e19220
--- /dev/null
+++ b/scripts/noIntegration.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+source common.sh || source scripts/common.sh || echo "No common.sh script found..."
+
+set -e
+
+[[ -z "${CORES}" ]] && CORES=1
+echo -e "\n\nRUNNING FAST BUILD (NO INTEGRATION TESTS) WITH [${CORES}] CORES\n\n"
+
+./mvnw clean install -Pdocs,fast -T ${CORES}
\ No newline at end of file
diff --git a/scripts/parallelBuild.sh b/scripts/parallelBuild.sh
new file mode 100755
index 0000000000..e8e2570ce6
--- /dev/null
+++ b/scripts/parallelBuild.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+source common.sh || source scripts/common.sh || echo "No common.sh script found..."
+
+set -e
+
+[[ -z "${CORES}" ]] && CORES=8
+echo -e "\n\nRUNNING PARALLEL BUILD WITH [${CORES}] CORES\n\n"
+
+./mvnw clean install -Pintegration,docs -T ${CORES} -Dinvoker.parallelThreads=${CORES}
\ No newline at end of file
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/pom.xml b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/pom.xml
index 67bef1ba7a..9d0f191bbf 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/pom.xml
+++ b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/pom.xml
@@ -247,6 +247,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-project-info-reports-plugin</artifactId>
+				<version>2.9</version>
 				<reportSets>
 					<reportSet>
 						<reports>