Initial commit of commit message length validation plugin Replacing the checks that are removed from core Gerrit in Ia0858b11e475c48f50ec63fbe0076239edf8f64b Change-Id: I2b4bec03b0caefdf7c71606e7daa188c24b6c494
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a8b1b96 --- /dev/null +++ b/.gitignore
@@ -0,0 +1,5 @@ +.classpath +.idea +.project +.settings +target
diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..11069ed --- /dev/null +++ b/LICENSE
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diff --git a/pom.xml b/pom.xml new file mode 100644 index 0000000..44b4248 --- /dev/null +++ b/pom.xml
@@ -0,0 +1,82 @@ +<?xml version="1.0"?> +<!-- +Copyright (C) 2012 The Android Open Source Project + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +--> +<project + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" + xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> + <modelVersion>4.0.0</modelVersion> + + <artifactId>commit-message-length-validator</artifactId> + <groupId>com.googlesource.gerrit.plugins.validators</groupId> + <packaging>jar</packaging> + <version>1.0-SNAPSHOT</version> + + <properties> + <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> + <Gerrit-ApiType>plugin</Gerrit-ApiType> + <Gerrit-ApiVersion>2.6-SNAPSHOT</Gerrit-ApiVersion> + </properties> + + <build> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-jar-plugin</artifactId> + <version>2.4</version> + <configuration> + <archive> + <manifestEntries> + <Implementation-Title>Plugin ${project.artifactId}</Implementation-Title> + <Implementation-Version>${project.version}</Implementation-Version> + <Implementation-Vendor>Gerrit Code Review</Implementation-Vendor> + <Implementation-Vendor-URL>http://code.google.com/p/gerrit/</Implementation-Vendor-URL> + <Gerrit-ApiType>${Gerrit-ApiType}</Gerrit-ApiType> + <Gerrit-ApiVersion>${Gerrit-ApiVersion}</Gerrit-ApiVersion> + </manifestEntries> + </archive> + </configuration> + </plugin> + + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-compiler-plugin</artifactId> + <version>2.3.2</version> + <configuration> + <source>1.6</source> + <target>1.6</target> + <encoding>UTF-8</encoding> + </configuration> + </plugin> + </plugins> + </build> + + <dependencies> + <dependency> + <groupId>com.google.gerrit</groupId> + <artifactId>gerrit-${Gerrit-ApiType}-api</artifactId> + <version>${Gerrit-ApiVersion}</version> + <scope>provided</scope> + </dependency> + </dependencies> + + <repositories> + <repository> + <id>gerrit-api-repository</id> + <url>https://gerrit-api.commondatastorage.googleapis.com/release/</url> + </repository> + </repositories> + +</project>
diff --git a/src/main/java/com/googlesource/gerrit/plugins/validators/CommitMessageLengthValidation.java b/src/main/java/com/googlesource/gerrit/plugins/validators/CommitMessageLengthValidation.java new file mode 100644 index 0000000..a8f2969 --- /dev/null +++ b/src/main/java/com/googlesource/gerrit/plugins/validators/CommitMessageLengthValidation.java
@@ -0,0 +1,62 @@ +// Copyright (C) 2012 The Android Open Source Project +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +package com.googlesource.gerrit.plugins.validators; + +import java.util.ArrayList; +import java.util.List; + +import org.eclipse.jgit.lib.AbbreviatedObjectId; +import org.eclipse.jgit.revwalk.RevCommit; + +import com.google.gerrit.extensions.annotations.Listen; +import com.google.gerrit.server.events.CommitReceivedEvent; +import com.google.gerrit.server.git.validators.CommitValidationException; +import com.google.gerrit.server.git.validators.CommitValidationListener; +import com.google.gerrit.server.git.validators.CommitValidationMessage; +import com.google.inject.Singleton; + +@Listen +@Singleton +public class CommitMessageLengthValidation implements CommitValidationListener { + + @Override + public List<CommitValidationMessage> onCommitReceived(CommitReceivedEvent receiveEvent) + throws CommitValidationException { + final RevCommit commit = receiveEvent.commit; + final AbbreviatedObjectId id = commit.abbreviate(7); + List<CommitValidationMessage> messages = new ArrayList<CommitValidationMessage>(); + + if (65 < commit.getShortMessage().length()) { + messages.add(new CommitValidationMessage("(W) " + id.name() // + + ": commit subject >65 characters; use shorter first paragraph", false)); + } + + int longLineCnt = 0, nonEmptyCnt = 0; + for (String line : commit.getFullMessage().split("\n")) { + if (!line.trim().isEmpty()) { + nonEmptyCnt++; + } + if (70 < line.length()) { + longLineCnt++; + } + } + + if (0 < longLineCnt && 33 < longLineCnt * 100 / nonEmptyCnt) { + messages.add(new CommitValidationMessage("(W) " + id.name() // + + ": commit message lines >70 characters; manually wrap lines", false)); + } + + return messages; + } +}