<perf>(style): add pre-commit hook before git commit. (#846)

Author: kyonRay

build.gradle

@@ -176,6 +176,13 @@ javadoc {
     options.addStringOption('charSet', 'UTF-8')
 }
 
+task copyHooks(type: Copy) {
+    from("hooks") {
+        include "**"
+    }
+    into ".git/hooks"
+}
+
 task sourcesJar(type: Jar) {
     from sourceSets.main.allJava
     archiveClassifier = 'sources'
@@ -304,3 +311,4 @@ jar {
     }
 }
 check.dependsOn jacocoTestReport
+verifyGoogleJavaFormat.dependsOn(copyHooks)

hooks/pre-commit

@@ -0,0 +1,33 @@
+#!/bin/sh
+#
+# An example hook script to verify what is about to be committed.
+# Called by "git commit" with no arguments.  The hook should
+# exit with non-zero status after issuing an appropriate message if
+# it wants to stop the commit.
+#
+# To enable this hook, rename this file to "pre-commit".
+
+bash gradlew verifyGoogleJavaFormat
+result=$?
+printf "the verifyGoogleJavaFormat result code is $result"
+if [[ "$result" = 0 ]] ; then
+    echo "\033[32m
+    ....
+    ....
+    verifyGoogleJavaFormat Pass!!
+    ....
+    ....
+    \033[0m"
+    exit 0
+else
+    bash gradlew goJF
+    echo "\033[31m
+    ....
+    ....
+    verifyGoogleJavaFormat Failed!!
+    Code format has been automatically adjusted, please review the code and then git add. && git commit;
+    ....
+    ....
+    \033[0m"
+    exit 1
+fi