UpdatePTUDevCtrl/git/git_client.cpp

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#include "git_client.h"
#include "update.h"
#include "worker.h"
#include "utils.h"
#include <QRegularExpression>
#include <QDebug>
#include <QDir>
GitClient::GitClient(QString const &customerNrStr,
QString const &customerRepository,
QString const &workingDirectory,
QString const &branchName,
QObject *parent)
: QObject(parent)
, m_worker(qobject_cast<Worker *>(parent))
, m_repositoryPath(QString("https://git.mimbach49.de/GerhardHoffmann/%1.git").arg(customerNrStr))
, m_customerNr(customerNrStr)
, m_workingDirectory(workingDirectory)
, m_branchName(branchName)
, m_customerRepository(customerRepository) {
if (!m_worker) {
qCritical() << "ERROR CASTING PARENT TO WORKER FAILED";
}
}
bool GitClient::gitCloneCustomerRepository() {
QString gitCommand("git clone ");
gitCommand += m_repositoryPath;
Command c(gitCommand);
qInfo() << "IN CURRENT WD" << m_workingDirectory
<< "CLONE" << m_repositoryPath << "...";
if (c.execute(m_workingDirectory)) { // execute the command in wd
QString const result = c.getCommandResult();
if (!result.isEmpty()) {
// Cloning into 'customer_281'...\n
static QRegularExpression re("(^\\s*Cloning\\s+into\\s+[']\\s*)(.*)(\\s*['].*$)");
QRegularExpressionMatch match = re.match(result);
if (match.hasMatch()) {
if (re.captureCount() == 3) { // start with full match (0), then the other 3 matches
if (match.captured(2).trimmed() == m_customerNr) {
qInfo() << "CLONING" << m_repositoryPath << "OK";
return true;
}
}
}
}
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Utils::printCriticalErrorMsg(QString("ERROR CLONE RESULT HAS WRONG FORMAT. CLONE_RESULT=") + result);
}
return false;
}
bool GitClient::copyGitConfigFromMaster() { // only allowed when called in
// master branch (???)
if (QDir(m_customerRepository).exists()) {
QString const cp = QString("cp .gitconfig .git/config");
Command c("bash");
if (c.execute(m_customerRepository, QStringList() << "-c" << cp)) {
qInfo() << "cp .gitconfig .git/config OK";
return true;
}
qCritical() << "ERROR cp .gitconfig .git/config";
}
return false;
}
QStringList GitClient::gitBranchNames() {
// git config --global pager.branch false
QStringList bNames;
if (QDir(m_customerRepository).exists()) {
QString gitCommand("git branch -a");
Command c(gitCommand);
if (c.execute(m_customerRepository)) {
QString const result = c.getCommandResult();
return result.split('\n');
}
}
return bNames;
}
bool GitClient::gitCheckoutBranch() {
// TODO: nachsehen, ob der Branch ueberhaupt existiert
if (QDir(m_customerRepository).exists()) {
int zoneNr = Utils::read1stLineOfFile("/mnt/system_data/zone_nr");
m_branchName = (zoneNr != 0)
? QString("zg1/zone%1").arg(zoneNr) : "master";
QString gitCommand("git checkout ");
gitCommand += m_branchName;
Command c(gitCommand);
return c.execute(m_customerRepository); // execute command in customerRepo
}
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Utils::printCriticalErrorMsg(QString("ERROR ") + m_customerRepository + " DOES NOT EXIST");
return false;
}
bool GitClient::gitCloneAndCheckoutBranch() {
qInfo() << "CLONE" << m_repositoryPath << "AND CHECKOUT" << m_branchName;
if (gitCloneCustomerRepository()) {
//if (copyGitConfigFromMaster()) {
if (gitCheckoutBranch()) {
return true;
} else {
// TODO
}
//}
}
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Utils::printCriticalErrorMsg(QString("CLONE ") + m_repositoryPath + " AND CHECKOUT FAILED");
return false;
}
QStringList GitClient::gitShowReason(QString branchName) {
QStringList lst;
if (QDir(m_customerRepository).exists()) {
// %h: commit (short form)
// %s: commit message
// %cI: commit date, strict ISO 8601 format
// Note: branch with branchName has to exist: format zg1/zone1
Command c(QString("git show origin/%1 -s --format=\"c=%h m=%s d=%cI\"").arg(branchName));
if (c.execute(m_customerRepository)) {
QString const s = c.getCommandResult().trimmed();
int const c = s.indexOf("c=");
int const m = s.indexOf("m=");
int const d = s.indexOf("d=");
QString msg = IsmasClient::getReasonForLastSendVersion();
QString commit{""}, date{""};
if (c != -1) {
int start = c + 2;
if (m >= start) {
int length = m - start;
commit = s.mid(start, length).trimmed();
start = m + 2;
if (d >= start) {
length = d - start;
msg += " (";
msg = s.mid(start, length).trimmed();
msg += ")";
start = d + 2;
date = s.mid(start);
}
}
if (!commit.isEmpty() && !msg.isEmpty() && !date.isEmpty()) {
lst << commit << msg << date;
}
}
}
} else {
qCritical() << "CUSTOMER_REPOSITORY" << m_customerRepository
<< "DOES NOT EXIST";
}
return lst;
}
/*
Zu beachten: wird eine datei neu hinzugefuegt (git add/commit) dann aber gleich
wieder geloscht, so wird sie im diff nicht angezeigt.
*/
std::optional<QStringList> GitClient::gitDiff(QString const &commits) {
if (QDir(m_customerRepository).exists()) {
// 409f198..6c22726
QString gitCommand("git diff --compact-summary ");
gitCommand += commits;
Command c(gitCommand);
if (c.execute(m_customerRepository)) { // execute command in local customerRepo
QString s = c.getCommandResult().trimmed();
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Utils::printInfoMsg("GIT DIFF RESULT " + s);
QStringList lines = Update::split(s, '\n');
QStringList fileNames;
// each line has the format "etc/psa_config/DC2C_print01.json | 1 +
// or the format "etc/psa_config/DC2C_print01.json (new) | 1 +
// the filenames are relativ to the repository
for (int i = 0; i < lines.size(); ++i) {
QString const &line = lines.at(i);
int newIndex = line.indexOf("(new"); // for new files
int goneIndex = line.indexOf("(gone"); // for removed files
int modeIndex = line.indexOf("(mode");
int pipeIndex = line.indexOf('|');
if (newIndex != -1) {
QString file = line.left(newIndex).trimmed();
qInfo() << "FILE (NEW)" << file;
fileNames << file;
} else
if (modeIndex != -1) {
QString const file = line.left(modeIndex).trimmed();
qInfo() << "FILE (MODE)" << file;
fileNames << file;
} else
if (goneIndex != -1) {
QString const file = line.left(goneIndex).trimmed();
qCritical() << "FILE (GONE)" << file;
} else
if (pipeIndex != -1) {
QString const file = line.left(pipeIndex).trimmed();
qInfo() << "FILE (PIPE)" << file;
fileNames << file;
}
}
if (!fileNames.isEmpty()) {
return fileNames;
}
}
}
return std::nullopt;
}
/*
Hat sich nichts geaendert, so werden auch keine Commits <>..<> angezeigt
*/
std::optional<QString> GitClient::gitFetch() {
if (QDir(m_customerRepository).exists()) {
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qInfo() << "BRANCH NAME" << m_branchName;
Command c("git fetch");
if (c.execute(m_customerRepository)) {
QString const s = c.getCommandResult().trimmed();
if (!s.isEmpty()) {
QStringList lines = Update::split(s, '\n');
if (!lines.empty()) {
int zoneNr = Utils::read1stLineOfFile("/mnt/system_data/zone_nr");
m_branchName = (zoneNr != 0) ? QString("zg1/zone%1").arg(zoneNr) : "master";
// lines can look like this:
// From https://git.mimbach49.de/GerhardHoffmann/customer_281
// 41ec581..5d25ac3 master -> origin/master
// ff10f57..43530a1 zg1/zone1 -> origin/zg1/zone1
// 6ed893f..5d9882c zg1/zone2 -> origin/zg1/zone2
// 4384d17..77045d8 zg1/zone3 -> origin/zg1/zone3
// 89d2812..36a0d74 zg1/zone5 -> origin/zg1/zone5
bool found = false;
for (int i=0; i < lines.size(); ++i) {
if (lines.at(i).contains(m_branchName)) {
found = true;
// 409f198..6c22726 zg1/zone1 -> origin/zg1/zone1
static QRegularExpression re("(^\\s*)([0-9A-Fa-f]+..[0-9A-Fa-f]+)(.*$)");
QRegularExpressionMatch match = re.match(lines.at(i));
if (match.hasMatch()) {
if (re.captureCount() == 3) { // start with full match (0), then the other 3 matches
return match.captured(2);
} else {
emit m_worker->showErrorMessage("git fetch",
QString("(wrong cap-count (%1)").arg(re.captureCount()));
}
} else {
emit m_worker->showErrorMessage("git fetch",
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"no regex-match for commits");
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Utils::printCriticalErrorMsg("NO REGEX MATCH FOR COMMITS");
}
}
}
if (!found) {
emit m_worker->showErrorMessage("git fetch",
QString("unkown branch name ") + m_branchName);
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Utils::printCriticalErrorMsg("UNKNOWN BRANCH NAME " + m_branchName);
}
} else {
emit m_worker->showErrorMessage("git fetch",
QString("wrong format for result of 'git fetch' ") + s);
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Utils::printCriticalErrorMsg(QString("WRONG FORMAT FOR RESULT OF 'GIT FETCH' ") + s);
}
} else {
// emit m_worker->showErrorMessage("git fetch", "empty result for 'git fetch'");
Utils::printInfoMsg("EMPTY RESULT FOR 'GIT FETCH'");
}
}
} else {
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emit m_worker->showErrorMessage("git fetch", QString("repository ") + m_customerRepository + " does not exist");
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Utils::printCriticalErrorMsg(QString("REPOSITORY ") + m_customerRepository + " DOES NOT EXIST");
}
return std::nullopt;
}
bool GitClient::gitFetchAndDiff() {
if (gitFetch()) {
QString gitCommand("git diff --compact-summary HEAD..FETCH_HEAD");
Command c(gitCommand);
return c.execute(m_workingDirectory);
}
return false;
}
bool GitClient::gitPull() {
if (QDir(m_customerRepository).exists()) {
Command c("git pull");
if (c.execute(m_customerRepository)) {
qInfo() << "PULLED INTO" << m_customerRepository;
return true;
}
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Utils::printCriticalErrorMsg(QString("PULL INTO " + m_customerRepository + " FAILED"));
}
return false;
}
std::optional<QStringList> GitClient::gitMerge() {
Command c("git merge");
if (c.execute(m_workingDirectory)) {
QString s = c.getCommandResult();
QStringList lst = Update::split(s, '\n');
return lst;
}
return std::nullopt;
}
QString GitClient::gitLastCommit(QString fileName) {
if (QDir(m_customerRepository).exists()) {
QString const filePath
= QDir::cleanPath(m_customerRepository + QDir::separator() + fileName);
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if (QFile(filePath).exists()) {
QString const gitCommand = QString("git log %1 | head -n 1").arg(fileName);
Command c("bash");
if (c.execute(m_customerRepository, QStringList() << "-c" << gitCommand)) {
QString const r = c.getCommandResult();
int const idx = r.indexOf("commit ");
if (idx != -1) {
return r.mid(idx + 8).trimmed();
}
}
}
}
return "";
}
// fileName has to an absolute path
QString GitClient::gitBlob(QString fileName) {
QFileInfo fi(fileName);
if (fi.exists()) {
QString const gitCommand = QString("git hash-object %1").arg(fileName);
Command c(gitCommand);
if (c.execute("/tmp")) {
return c.getCommandResult().trimmed();
}
}
return "N/A";
}
QString GitClient::gitCommitForBlob(QString blob) {
if (QDir(m_customerRepository).exists()) {
QString const gitCommand
= QString("git whatchanged --all --find-object=%1 | head -n 1").arg(blob);
Command c(gitCommand);
if (c.execute(m_customerRepository)) {
return c.getCommandResult();
}
}
return "";
}
bool GitClient::gitIsFileTracked(QString fName) {
if (QDir(m_customerRepository).exists()) {
QString const gitCommand
= QString("git ls-files --error-unmatch %1").arg(fName);
Command c(gitCommand);
return c.execute(m_customerRepository);
}
return false;
}
//get_commit_for_blob () {
// # search for the blob in all commits for the file(name) $1
// echo $(git log --all --pretty=format:%H -- $2 |
// xargs -I{} bash -c "git ls-tree {} -- $2 |
// grep -q $1 && echo -n {} && head -n 1")
//}