/* Copyright (c) 2013-2014 Boundless and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/edl-v10.html
*
* Contributors:
* Victor Olaya (Boundless) - initial implementation
*/
package org.locationtech.geogig.cli.porcelain;
import static org.fusesource.jansi.Ansi.Color.GREEN;
import static org.fusesource.jansi.Ansi.Color.YELLOW;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import jline.console.ConsoleReader;
import org.fusesource.jansi.Ansi;
import org.locationtech.geogig.api.GeoGIG;
import org.locationtech.geogig.api.RevCommit;
import org.locationtech.geogig.api.porcelain.BlameException;
import org.locationtech.geogig.api.porcelain.BlameOp;
import org.locationtech.geogig.api.porcelain.BlameReport;
import org.locationtech.geogig.api.porcelain.ValueAndCommit;
import org.locationtech.geogig.cli.AbstractCommand;
import org.locationtech.geogig.cli.GeogigCLI;
import org.locationtech.geogig.cli.InvalidParameterException;
import org.locationtech.geogig.cli.annotation.ReadOnly;
import org.locationtech.geogig.storage.text.TextValueSerializer;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.common.base.Optional;
/**
* Shows information about the commits and authors that have modified the current attributes of a
* given feature
*
*/
@ReadOnly
@Parameters(commandNames = "blame", commandDescription = "Shows information about authors of modifications for a single feature")
public class Blame extends AbstractCommand {
/**
* The path to the element to analyze.
*/
@Parameter(description = "<path>")
private List<String> paths = new ArrayList<String>();
@Parameter(names = { "--porcelain" }, description = "Use porcelain output format")
private boolean porcelain = false;
@Parameter(names = { "--no-values" }, description = "Do not show values, only attribute names")
private boolean noValues = false;
@Override
public void runInternal(GeogigCLI cli) throws IOException {
checkParameter(paths.size() < 2, "Only one path allowed");
checkParameter(!paths.isEmpty(), "A path must be specified");
ConsoleReader console = cli.getConsole();
GeoGIG geogig = cli.getGeogig();
String path = paths.get(0);
try {
BlameReport report = geogig.command(BlameOp.class).setPath(path).call();
Map<String, ValueAndCommit> changes = report.getChanges();
Iterator<String> iter = changes.keySet().iterator();
while (iter.hasNext()) {
String attrib = iter.next();
ValueAndCommit valueAndCommit = changes.get(attrib);
RevCommit commit = valueAndCommit.commit;
Optional<?> value = valueAndCommit.value;
if (porcelain) {
StringBuilder sb = new StringBuilder();
sb.append(attrib).append(' ');
sb.append(commit.getId().toString()).append(' ');
sb.append(commit.getAuthor().getName().or("")).append(' ');
sb.append(commit.getAuthor().getEmail().or("")).append(' ');
sb.append(Long.toString(commit.getAuthor().getTimestamp())).append(' ');
sb.append(Integer.toString(commit.getAuthor().getTimeZoneOffset()));
if (!noValues) {
sb.append(" ").append(
TextValueSerializer.asString(Optional.of((Object) value.orNull())));
}
console.println(sb.toString());
} else {
Ansi ansi = newAnsi(console.getTerminal());
ansi.fg(GREEN).a(attrib + ": ").reset();
if (!noValues) {
String s = value.isPresent() ? value.get().toString() : "NULL";
ansi.fg(YELLOW).a(s).a(" ").reset();
}
ansi.a(commit.getId().toString().substring(0, 7)).a(" ");
ansi.a(commit.getAuthor().getName().or("")).a(" ");
ansi.a(commit.getAuthor().getEmail().or("")).a(" ");
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
String date = formatter.format(new Date(commit.getAuthor().getTimestamp()
+ commit.getAuthor().getTimeZoneOffset()));
ansi.a(date);
console.println(ansi.toString());
}
}
} catch (BlameException e) {
switch (e.statusCode) {
case FEATURE_NOT_FOUND:
throw new InvalidParameterException("The supplied path does not exist", e);
case PATH_NOT_FEATURE:
throw new InvalidParameterException(
"The supplied path does not resolve to a feature", e);
}
}
}
}