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;
}
}
}
}
qCritical() << "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
}
qCritical() << "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
// m_worker->terminateUpdateProcess();
}
//}
} else {
// TODO
//m_worker->terminateUpdateProcess();
}
return false;
}
/*
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();
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) {
// TODO: koennte auch (delete) kommen ?
int newIndex = lines.at(i).indexOf("(new)"); // for new files
// int goneIndex = lines.at(i).indexOf("(gone)"); // for removed files
if (newIndex != -1) {
QString fileName = lines.at(i).mid(0, newIndex).trimmed();
fileNames << fileName;
} else {
int pipeIndex = lines.at(i).indexOf('|');
if (pipeIndex != -1) {
QString fileName = lines.at(i).mid(0, pipeIndex).trimmed();
fileNames << fileName;
}
}
}
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()) {
qCritical() << "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",
"regex-match for commits");
}
}
}
if (!found) {
emit m_worker->showErrorMessage("git fetch",
QString("unkown branch name ") + m_branchName);
}
} else {
emit m_worker->showErrorMessage("git fetch",
QString("wrong format for result of 'git fetch' ") + s);
}
} else {
emit m_worker->showErrorMessage("git fetch",
"empty result for 'git fetch'");
}
}
} else {
emit m_worker->showErrorMessage("git fetch",
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;
}
qCritical() << "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);
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(m_workingDirectory)) {
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")
//}