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GitUtil.java
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package javaToolkit.lib.utils;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;
public class GitUtil {
public static Boolean clone(String usrName, String repoName, Path targetDir) {
if (targetDir.toFile().exists()) {
FileUtil.deleteDirectory(targetDir.toFile());
}
targetDir.toFile().mkdirs();
String cmd = "timeout 600 git clone https://github.com/" + usrName + "/" + repoName + " " + targetDir;
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, targetDir, 0);
if (pr.exitCode == 0) {
return true;
} else {
FileUtil.writeStr2File(pr.out, Paths.get(targetDir.toString(), "clone_out.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(targetDir.toString(), "clone_err.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
FileUtil.deleteDirectory(targetDir.toFile());
return false;
}
}
public static List<String> getAllCommitsSha(Path repoDir) {
String cmd = "timeout 300 git --no-pager log --all --pretty=format:\"%H\"";
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, repoDir, 0);
if (pr.exitCode == 0) {
return Arrays.asList(pr.out.replace("\"", "").split("\n"));
} else {
FileUtil.writeStr2File(pr.out, Paths.get(repoDir.toString(), "getAllCommitsSha_out.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(repoDir.toString(), "getAllCommitsSha_err.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
return null;
}
}
public static List<String> getComsWithSingleWordMatch(Path repoDir, String word) {
String cmd = "timeout 300 git --no-pager log --all --pretty=format:\"%H\" --grep=" + word.trim();
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, repoDir, 0);
if (pr.exitCode == 0) {
if ("".equals(pr.out.trim())) {
return null;
}
return Arrays.asList(pr.out.replace("\"", "").split("\n"));
} else {
FileUtil.writeStr2File(pr.out, Paths.get(repoDir.toString(), "getAllCommitsSha_out.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(repoDir.toString(), "getAllCommitsSha_err.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
return null;
}
}
public static String getDiff4SingleFileNCommit(Path repoDir, String parCom, String curCom, String oldRelFilePath,
String newRelFilePath) {
String cmd = "timeout 300 git --no-pager diff --unified=0 " + parCom + ":" + oldRelFilePath + " " + curCom + ":"
+ newRelFilePath;
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, repoDir, 0);
if (pr.exitCode == 0) {
return pr.out.trim();
} else {
FileUtil.writeStr2File(pr.out, Paths.get(repoDir.toString(), "getDiff4SingleFileNCommit.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(repoDir.toString(), "getDiff4SingleFileNCommit.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
return null;
}
}
public static String getCommitMsg(Path repoDir, String com) {
String cmd = "timeout 300 git log --format=%B -n 1 " + com;
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, repoDir, 0);
if (pr.exitCode == 0) {
return pr.out.trim();
} else {
FileUtil.writeStr2File(pr.out, Paths.get(repoDir.toString(), "getCommitMsg_out.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(repoDir.toString(), "getCommitMsg_err.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
return null;
}
}
public static String getParentCommit(Path repoDir, String com) {
String cmd = "timeout 300 git log --pretty=%P -n 1 " + com;
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, repoDir, 0);
if (pr.exitCode == 0) {
return pr.out.replace("\"", "").trim();
} else {
FileUtil.writeStr2File(pr.out, Paths.get(repoDir.toString(), "getParentCommit_out.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(repoDir.toString(), "getParentCommit_err.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
return null;
}
}
/**
*
* @param repoDir
* @param oldCom
* @param newCom
* @param diffMode
* @return
*/
public static String getDiffBetween2Commits(Path repoDir, String oldCom, String newCom, String diffMode) {
String cmd = null;
if (diffMode != null) {
cmd = "timeout 300 git --git-dir " + repoDir.toString() + "/.git --work-tree " + repoDir.toString()
+ " diff " + diffMode + " --unified=0 " + oldCom + " " + newCom;
} else {
cmd = "timeout 300 git --git-dir " + repoDir.toString() + "/.git --work-tree " + repoDir.toString()
+ " diff --unified=0 " + oldCom + " " + newCom;
}
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, repoDir, 0);
if (pr.exitCode == 0) {
return pr.out.trim();
} else {
FileUtil.writeStr2File(pr.out, Paths.get(repoDir.toString(), "getDiffBetween2Commits_out.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(repoDir.toString(), "getDiffBetween2Commits_err.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
return null;
}
}
public static List<String> getChangedFileList(Path repoDir, String com) {
String cmd = "timeout 300 git diff-tree --no-commit-id --name-only -r " + com;
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmd, null, repoDir, 0);
if (pr.exitCode == 0) {
return Arrays.asList(pr.out.split("\n"));
} else {
FileUtil.writeStr2File(pr.out, Paths.get(repoDir.toString(), "getChangedFileList_out.txt"));
FileUtil.writeStr2File(pr.err, Paths.get(repoDir.toString(), "getChangedFileList_err.txt"));
// System.out.println("cmd " + cmd + "\n");
// System.out.println("report \n" + pr.toString());
return null;
}
}
public static Boolean checkoutDefaultBranch(Path repoDir, Boolean ifForce) {
ProcessUtil.ProcessReporter pr = new ProcessUtil.ProcessReporter();
if (ifForce) {
String resetCMD = "timeout 600 git reset --hard";
pr = ProcessUtil.executeCMD(resetCMD, null, repoDir, 0);
}
String defaultBranchNameString = getDefaultBranch(repoDir);
String checkoutCMD = null;
checkoutCMD = "timeout 300 git checkout " + defaultBranchNameString;
pr = ProcessUtil.executeCMD(checkoutCMD, null, repoDir, 0);
if (pr.err.contains("fatal: index file smaller than expected")) {
Path lockFilePath = Paths.get(repoDir.toString() + "/.git/index.lock");
if (lockFilePath.toFile().exists()) {
lockFilePath.toFile().delete();
}
Path indexFilePath = Paths.get(repoDir.toString() + "/.git/index");
if (indexFilePath.toFile().exists()) {
indexFilePath.toFile().delete();
}
}
if (pr.exitCode == 0) {
return true;
} else {
String cleanCMD = "timeout 300 git --git-dir " + repoDir.toString() + "/.git --work-tree "
+ repoDir.toString() + " clean -dfx .";
pr = ProcessUtil.executeCMD(cleanCMD, null, repoDir, 0);
String resetCMD = "timeout 300 git --git-dir " + repoDir.toString() + "/.git --work-tree "
+ repoDir.toString() + " reset --hard";
pr = ProcessUtil.executeCMD(resetCMD, null, repoDir, 0);
pr = ProcessUtil.executeCMD(checkoutCMD, null, repoDir, 0);
if (pr.exitCode == 0) {
return true;
} else {
return false;
}
}
}
public static Boolean checkoutCommit(Path repoDir, String com, Boolean ifForce) {
ProcessUtil.ProcessReporter pr = new ProcessUtil.ProcessReporter();
if (ifForce) {
String resetCMD = "timeout 600 git reset --hard";
pr = ProcessUtil.executeCMD(resetCMD, null, repoDir, 0);
}
String checkoutCMD = null;
checkoutCMD = "timeout 300 git checkout " + com;
pr = ProcessUtil.executeCMD(checkoutCMD, null, repoDir, 0);
if (pr.err.contains("fatal: index file smaller than expected")) {
Path lockFilePath = Paths.get(repoDir.toString() + "/.git/index.lock");
if (lockFilePath.toFile().exists()) {
lockFilePath.toFile().delete();
}
Path indexFilePath = Paths.get(repoDir.toString() + "/.git/index");
if (indexFilePath.toFile().exists()) {
indexFilePath.toFile().delete();
}
}
if (pr.exitCode == 0) {
return true;
} else {
String cleanCMD = "timeout 300 git --git-dir " + repoDir.toString() + "/.git --work-tree "
+ repoDir.toString() + " clean -dfx .";
pr = ProcessUtil.executeCMD(cleanCMD, null, repoDir, 0);
String resetCMD = "timeout 300 git --git-dir " + repoDir.toString() + "/.git --work-tree "
+ repoDir.toString() + " reset --hard";
pr = ProcessUtil.executeCMD(resetCMD, null, repoDir, 0);
pr = ProcessUtil.executeCMD(checkoutCMD, null, repoDir, 0);
if (pr.exitCode == 0) {
return true;
} else {
return false;
}
}
}
private static String getDefaultBranch(Path gitDirPath) {
// TODO Auto-generated method stub
String cmdString = "timeout 60 git symbolic-ref refs/remotes/origin/HEAD";
ProcessUtil.ProcessReporter pr = ProcessUtil.executeCMD(cmdString, null, gitDirPath, 0);
// output refs/remotes/origin/master
if (pr.out.trim().contains("refs/remotes/origin/")) {
return pr.out.trim().split("refs/remotes/origin/")[1].trim();
} else {
return "master";
}
}
}