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/*
* Copyright (C) 2009 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.
*/
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Factory for git commands.
*/
class Git {
private static final Pattern STATUS_DELETED
= Pattern.compile("#\\tdeleted: (.*)");
public void branch(String newBranch) {
branch(newBranch, "HEAD");
}
/**
* @param base another branch, or a revision identifier like {@code HEAD}.
*/
public void branch(String newBranch, String base) {
// -b is used by git to branch from another checkout
new Command("git", "checkout", "-b", newBranch, base).execute();
}
public void commit(String message) {
new Command("git", "commit", "-m", message).execute();
}
public void add(String path) {
new Command("git", "add", path).execute();
}
public void remove(Collection<String> paths) {
new Command.Builder().args("git", "rm").args(paths).execute();
}
public List<String> merge(String otherBranch) {
return new Command.Builder()
.args("git", "merge", "-s", "recursive", otherBranch)
.permitNonZeroExitStatus()
.execute();
}
/**
* Returns the files that have been deleted from the filesystem, but that
* don't exist in the active git change.
*/
public List<String> listDeleted() {
List<String> statusLines = new Command.Builder()
.args("git", "status")
.permitNonZeroExitStatus()
.execute();
List<String> deletedFiles = new ArrayList<String>();
Matcher matcher = STATUS_DELETED.matcher("");
for (String line : statusLines) {
matcher.reset(line);
if (matcher.matches()) {
deletedFiles.add(matcher.group(1));
}
}
return deletedFiles;
}
public void rm(List<String> files) {
new Command.Builder()
.args("git", "rm").args(files)
.permitNonZeroExitStatus()
.build()
.execute();
}
}
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