woblight
641 lines
19 KiB
C++
641 lines
19 KiB
C++
/* Copyright 2018 WobLight
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "addon.h"
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#include <QDir>
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#include <git2.h>
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#include <QDebug>
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#include "control.h"
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#ifdef Q_OS_WIN32
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#include <windows.h>
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#include <winbase.h>
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#endif
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#include <type_traits>
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#include <QtConcurrent>
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#include <QFutureWatcher>
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#include <QReadWriteLock>
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Addon::Addon(QString name, git_repository *repo, QObject *parent) : QObject(parent),
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m_name(name), m_repo(repo, &git_repository_free), m_progress(0), m_total(0), m_status(Status::Ready), m_gitStatus(GitStatusFlag::UpToDate), m_pool(new QThreadPool(this))
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{
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connect(this, &Addon::remoteChanged, this, &Addon::fetchRemote);
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connect(this, &Addon::currentBranchChanged, this, &Addon::updateGitStatus);
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scanBranches();
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loadReadme();
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}
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QString Addon::name() const
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{
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return m_name;
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}
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void Addon::setName(QString name)
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{
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if (m_name == name)
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return;
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m_name = name;
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emit nameChanged(m_name);
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}
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void Addon::update()
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{
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removeSubfolders();
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delegate("Update", [this](){
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git_reference *lbr = nullptr;
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git_reference *rbr = nullptr;
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git_reference *ubr = nullptr;
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int error = git_branch_lookup(&lbr, m_repo.get(), m_currentBranch.toLocal8Bit(), GIT_BRANCH_LOCAL);
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git_annotated_commit *ac;
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git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
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opts.checkout_strategy = GIT_CHECKOUT_FORCE;
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if (error == GIT_ENOTFOUND) {
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git_branch_lookup(&lbr, m_repo.get(), m_currentBranch.toLocal8Bit(), GIT_BRANCH_REMOTE);
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git_annotated_commit_from_ref(&ac, m_repo.get(), lbr);
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} else {
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git_branch_upstream(&rbr, lbr);
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git_annotated_commit_from_ref(&ac, m_repo.get(), rbr);
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}
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if (!git_branch_is_head(lbr))
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git_repository_set_head(m_repo.get(), git_reference_name(lbr));
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git_reference_set_target(&ubr, lbr, git_annotated_commit_id(ac), nullptr);
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git_checkout_head(m_repo.get(), &opts);
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git_annotated_commit_free(ac);
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if (rbr)
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git_reference_free(rbr);
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git_reference_free(lbr);
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git_reference_free(ubr);
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}, [this](){updateGitStatus();});
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unpackSubfolders();
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}
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void Addon::scanBranches()
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{
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delegate("Branch Scan", [this](){
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struct {
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QStringList rs;
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QStringList bs;
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QString cb;
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QString cr;
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} data;
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git_strarray remotes;
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int error = git_remote_list(&remotes, m_repo.get());
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for (unsigned int i = 0; i < remotes.count; i++)
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data.rs << remotes.strings[i];
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git_strarray_free(&remotes);
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git_branch_iterator *iter = nullptr;
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error = git_branch_iterator_new(&iter, m_repo.get(), GIT_BRANCH_ALL);
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git_reference *ref = nullptr;
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const char *bname = nullptr;
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git_branch_t btype;
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while (!(error = git_branch_next(&ref, &btype, iter))) {
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git_branch_name(&bname, ref);
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data.bs << bname;
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if (git_branch_is_head(ref)) {
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data.cb = bname;
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git_buf buf = GIT_BUF_INIT_CONST(0, nullptr);
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(git_reference_is_remote(ref) ?
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git_branch_remote_name :
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git_branch_upstream_remote
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)(&buf, m_repo.get(), git_reference_name(ref));
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data.cr = buf.ptr;
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}
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git_reference_free(ref);
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}
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git_branch_iterator_free(iter);
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return data;
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},[this](auto data){
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setRemote(data.cr);
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setCurrentBranch(data.cb);
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setRemotes(data.rs);
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setBranches(data.bs);
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scanSubfolders();
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});
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}
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void Addon::scanSubfolders()
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{
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delegate("Subfolders Scan", [this](){
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QStringList sf;
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git_object *obj = nullptr;
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git_revparse_single(&obj, m_repo.get(), "HEAD^{tree}");
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git_tree *tree = reinterpret_cast<git_tree *>(obj);
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git_tree_walk(tree, GIT_TREEWALK_PRE, [](const char *root, const git_tree_entry *entry, void *payload) -> int{
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QString path = root;
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if (path.isEmpty())
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return 0;
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QStringList *sf = static_cast<QStringList *>(payload);
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QString file = git_tree_entry_name(entry);
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if (file.toLower() == path.toLower().chopped(1) + ".toc") {
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*sf << path.chopped(1);
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return 1;
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}
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if (path.split("/").size() > 1)
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return 1;
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return 0;
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}, &sf);
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git_object_free(obj);
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return sf;
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},[this](auto subs){setSubfolders(subs);});
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}
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void Addon::setBranches(QStringList branches)
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{
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if (m_branches == branches)
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return;
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m_branches = branches;
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emit branchesChanged(m_branches);
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}
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void Addon::setCurrentBranch(QString currentBranch)
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{
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if (m_currentBranch == currentBranch)
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return;
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m_currentBranch = currentBranch;
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emit currentBranchChanged(m_currentBranch);
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}
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void Addon::setRemote(QString remote)
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{
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if (m_remote == remote)
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return;
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m_remote = remote;
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emit remoteChanged(m_remote);
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}
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void Addon::setRemotes(QStringList remotes)
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{
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if (m_remotes == remotes)
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return;
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m_remotes = remotes;
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emit remotesChanged(m_remotes);
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}
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int fetch_progress_cb(const git_transfer_progress *stats, void *payload) {
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Addon *a = static_cast<Addon *>(payload);
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QMetaObject::invokeMethod(a,"setTotal",Q_ARG(int, stats->total_objects));
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QMetaObject::invokeMethod(a,"setProgress",Q_ARG(int, stats->received_objects));
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return 0;
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}
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void Addon::fetchRemote(QString remote)
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{
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delegate(remote + " Fetch", [this, remote](){
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git_fetch_options fetch_opts = GIT_FETCH_OPTIONS_INIT;
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fetch_opts.callbacks.transfer_progress = &fetch_progress_cb;
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fetch_opts.callbacks.payload = this;
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git_remote *r;
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git_remote_lookup(&r, m_repo.get(), remote.toLocal8Bit());
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int error = git_remote_fetch(r,nullptr,&fetch_opts,nullptr);
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if (error < 0) {
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const git_error *e = giterr_last();
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qDebug() <<QString::asprintf("Error %d/%d: %s\n", error, e->klass, e->message);
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}
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git_remote_free(r);
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}, [this](){updateGitStatus();});
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}
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void Addon::setProgress(int fetchProgress)
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{
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if (m_progress == fetchProgress)
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return;
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m_progress = fetchProgress;
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emit progressChanged(m_progress);
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}
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void Addon::setTotal(int fetchSize)
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{
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if (m_total == fetchSize)
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return;
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m_total = fetchSize;
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emit totalChanged(m_total);
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}
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void Addon::setStatus(Addon::Status status)
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{
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if (m_status == status)
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return;
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m_status = status;
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emit statusChanged(m_status);
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}
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void Addon::setGitStatus(Addon::GitStatus gitStatus)
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{
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if (m_gitStatus == gitStatus)
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return;
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m_gitStatus = gitStatus;
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emit gitStatusChanged(m_gitStatus);
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}
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void Addon::updateGitStatus()
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{
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delegate("Git Status Update", [this](){
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git_reference *tr;
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git_branch_lookup(&tr, m_repo.get(), m_currentBranch.toLocal8Bit(), GIT_BRANCH_LOCAL);
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if (!tr) {
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git_branch_lookup(&tr, m_repo.get(), m_currentBranch.toLocal8Bit(), GIT_BRANCH_REMOTE);
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}
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else {
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git_reference *rbr;
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git_branch_upstream(&rbr, tr);
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git_reference_free(tr);
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tr = rbr;
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}
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if (!tr)
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return GitStatusFlag::UpToDate;
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git_reference *lr;
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git_repository_head(&lr, m_repo.get());
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git_annotated_commit *uc;
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git_annotated_commit *lc;
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git_annotated_commit_from_ref(&uc, m_repo.get(), tr);
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git_annotated_commit_from_ref(&lc, m_repo.get(), lr);
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size_t ahead;
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size_t behind;
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git_graph_ahead_behind(&ahead, &behind, m_repo.get(), git_annotated_commit_id(lc), git_annotated_commit_id(uc));
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git_reference_free(tr);
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git_reference_free(lr);
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git_annotated_commit_free(uc);
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git_annotated_commit_free(lc);
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if (!(ahead || behind))
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return GitStatusFlag::UpToDate;
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else if (ahead && !behind)
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return GitStatusFlag::Ahead;
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else if (!ahead)
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return GitStatusFlag::Behind;
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else
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return GitStatusFlag::Diverged;
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/// TODO: check for local changes/merge
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/*if (git_repository_head_detached(m_repo.get())) {
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setGitStatus(GitStatus::Conflicting);
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return;
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}
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git_reference *tr;
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git_branch_lookup(&tr, m_repo.get(), m_currentBranch.toLocal8Bit(), GIT_BRANCH_LOCAL);
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if (!tr) {
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git_branch_lookup(&tr, m_repo.get(), m_currentBranch.toLocal8Bit(), GIT_BRANCH_REMOTE);
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}
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else {
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git_reference *rbr;
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git_branch_upstream(&rbr, tr);
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git_reference_free(tr);
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tr = rbr;
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}
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git_buf buf = GIT_BUF_INIT_CONST(0, nullptr);
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git_branch_remote_name(&buf, m_repo.get(), git_reference_name(tr));
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if (buf.ptr != remote())
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setRemote(buf.ptr);
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else {
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git_annotated_commit *ac;
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git_annotated_commit_from_ref(&ac, m_repo.get(), tr);
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git_merge_analysis_t an;
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git_merge_preference_t pref;
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git_merge_analysis(&an, &pref, m_repo.get(),(const git_annotated_commit **)&ac, 1);
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if (an & GIT_MERGE_ANALYSIS_UP_TO_DATE) {
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if (git_annotated_commit_id(*ac) != git_head)
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setGitStatus(GitStatus::Conflicting);
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else
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setGitStatus(GitStatus::UpToDate);
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}
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else if (an & GIT_MERGE_ANALYSIS_FASTFORWARD)
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setGitStatus(GitStatus::FastForwardable);
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else
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setGitStatus(GitStatus::Conflicting);
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git_annotated_commit_free(ac);
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}
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git_reference_free(tr);*/
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}, [this](auto s){
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setGitStatus(s);
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});
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}
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void Addon::uninstall()
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{
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removeSubfolders();
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closeRepo();
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delegate("Removing addon folder", [this](){
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removeFolder(Control::instance()->addonsPath() + "/" + m_name);
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}, [](){Control::instance()->scanForAddons();});
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}
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void Addon::setSubfolders(QStringList subfolders)
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{
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if (m_subfolders == subfolders)
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return;
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m_subfolders = subfolders;
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emit subfoldersChanged(m_subfolders);
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}
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void walkFolders(const QFileInfo &info, auto f){
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if (info.isDir() && !info.isSymLink()) {
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foreach (QFileInfo sub, QDir(info.absoluteFilePath()).entryInfoList(QDir::AllEntries|QDir::NoDotAndDotDot|QDir::Hidden))
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walkFolders(sub, f);
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}
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f(info);
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}
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void Addon::removeFolders(QStringList paths, bool ask) {
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QStringList files;
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bool ok = ask;
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foreach (QString path, paths){
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QFileInfo info(path);
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if (info.exists()) {
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walkFolders(info, [&files](QFileInfo info){
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files << info.absoluteFilePath();
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});
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}
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}
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if (files.isEmpty()) return;
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if (ask) {
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m_mutex.lock();
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m_result = &ok;
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QMetaObject::invokeMethod(this, "setFilesToRemove", Q_ARG(QString, files.join('\n')));
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m_wait.wait(&m_mutex);
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m_mutex.unlock();
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}
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if (ok) {
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setTotal(files.size());
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for (int i = 0; i < files.size(); i++) {
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QFileInfo info(files[i]);
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if (!info.isSymLink() && info.isDir())
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info.dir().rmdir(info.fileName());
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else {
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QFile f(info.absoluteFilePath());
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f.setPermissions(f.permissions()|QFile::WriteOther);
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f.remove();
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}
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setProgress(i);
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}
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}
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}
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void Addon::removeFolder(QString path, bool ask) {
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removeFolders({path}, ask);
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}
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void Addon::removeSubfolders()
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{
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delegate("Removing Subfolders", [this](){
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QStringList paths(m_subfolders);
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std::transform(paths.begin(), paths.end(), paths.begin(), [](auto p){return Control::instance()->addonsPath() + "/" + p;});
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removeFolders(paths);
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});
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}
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void Addon::unpackSubfolders(){
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delegate("Unpacking Subfolders", [this](){
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QStringList errors;
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QDir addonsDir(Control::instance()->addonsPath());
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if (m_subfolders.contains(m_name, Qt::CaseInsensitive)) {
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closeRepo();
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QString oldName = m_name;
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setName(m_name + ".repo");
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addonsDir.rename(oldName, m_name);
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openRepo();
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}
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QDir::setCurrent(addonsDir.canonicalPath());
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QDir dir(m_name);
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foreach (QString subfn, m_subfolders) {
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QFileInfo addonFolder(subfn);
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if (addonFolder.exists()) {
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QFileInfo dest(addonFolder.fileName() + ".bak");
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int i = 0;
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while (dest.exists())
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dest = QFileInfo(addonFolder.fileName() + ".bak." + QString::number(++i));
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addonsDir.rename(addonFolder.fileName(), dest.fileName());
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if (QFileInfo(subfn).exists()) {
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errors << QString("The folder \"%1\" already existed and couldn't be renamed. The addon subfolder has been skipped").arg(subfn, dest.exists());
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continue;
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}
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errors << QString("The folder \"%1\" already existed and has been renamed to \"%2\"").arg(subfn, dest.fileName());
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}
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#ifdef Q_OS_WIN32
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QString link = subfn;
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link.replace("/","\\");
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QString target = "./"+m_name+"/"+subfn;
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target.replace("/","\\");
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wchar_t link_w[link.size() +1];
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wchar_t target_w[target.size() +1];
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int pos = link.toWCharArray(link_w);
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link_w[pos] = '\0';
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pos = target.toWCharArray(target_w);
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target_w[pos] = '\0';
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#else
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QFile::link("./"+m_name+"/"+subfn, subfn);
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#endif
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if (!QFileInfo(subfn).exists()) {
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dir.rename(subfn, "../"+subfn);
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}
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QFileInfo info(subfn);
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if (!info.exists()) {
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errors << "Failed to link or move \""+ info.absoluteFilePath() + "\" to \"" + addonFolder.absoluteFilePath()+"\"";
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}
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}
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return errors;
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}, [this](auto errors){
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if (errors.size() > 0) {
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setStatus(Status::Error);
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//setStatusMessage(errors.join('\n'));
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}
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});
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}
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void Addon::setFilesToRemove(QString filesToRemove)
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{
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if (m_filesToRemove == filesToRemove)
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return;
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m_filesToRemove = filesToRemove;
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emit filesToRemoveChanged(m_filesToRemove);
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}
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void Addon::confirmFileRemove(bool confirmed)
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{
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m_mutex.lock();
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*static_cast<bool *>(m_result) = confirmed;
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m_wait.wakeOne();
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m_mutex.unlock();
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}
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void Addon::reset()
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{
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removeSubfolders();
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delegate("Reset", [this](){
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git_reference *ref = nullptr;
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git_repository_head(&ref, m_repo.get());
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git_object *obj = nullptr;
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git_object_lookup(&obj, m_repo.get(), git_reference_target(ref), GIT_OBJ_ANY);
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git_reset(m_repo.get(), obj, GIT_RESET_HARD, nullptr);
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});
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unpackSubfolders();
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}
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void Addon::loadReadme()
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{
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delegate("Readme Loading",[this](){
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|
QFileInfo md(Control::instance()->addonsPath() + "/" + m_name + "/README.md");
|
|
if (!md.exists() && !md.isFile()) {
|
|
QDir repodir(Control::instance()->addonsPath() + "/" + m_name);
|
|
auto a = repodir.entryInfoList({"readme*"});
|
|
if (a.size() > 0)
|
|
md = a[0];
|
|
}
|
|
if (md.exists() && md.isFile()) {
|
|
QFile file(md.absoluteFilePath());
|
|
if (file.open(QFile::ReadOnly))
|
|
return QString(file.readAll());
|
|
}
|
|
return QString("");
|
|
}, [this](auto readme){
|
|
setReadme(readme);
|
|
});
|
|
}
|
|
|
|
void Addon::setReadme(QString readme)
|
|
{
|
|
if (m_readme == readme)
|
|
return;
|
|
|
|
m_readme = readme;
|
|
emit readmeChanged(m_readme);
|
|
}
|
|
|
|
QStringList Addon::branches() const
|
|
{
|
|
return m_branches;
|
|
}
|
|
|
|
QString Addon::currentBranch() const
|
|
{
|
|
return m_currentBranch;
|
|
}
|
|
|
|
QString Addon::remote() const
|
|
{
|
|
return m_remote;
|
|
}
|
|
|
|
QStringList Addon::remotes() const
|
|
{
|
|
return m_remotes;
|
|
}
|
|
|
|
int Addon::progress() const
|
|
{
|
|
return m_progress;
|
|
}
|
|
|
|
int Addon::total() const
|
|
{
|
|
return m_total;
|
|
}
|
|
|
|
Addon::Status Addon::status() const
|
|
{
|
|
return m_status;
|
|
}
|
|
|
|
Addon::GitStatus Addon::gitStatus() const
|
|
{
|
|
return m_gitStatus;
|
|
}
|
|
|
|
QStringList Addon::subfolders() const
|
|
{
|
|
return m_subfolders;
|
|
}
|
|
|
|
QString Addon::filesToRemove() const
|
|
{
|
|
return m_filesToRemove;
|
|
}
|
|
|
|
QString Addon::readme() const
|
|
{
|
|
return m_readme;
|
|
}
|
|
|
|
void Addon::closeRepo()
|
|
{
|
|
m_repo.reset();
|
|
}
|
|
|
|
void Addon::openRepo()
|
|
{
|
|
git_repository *repo = nullptr;
|
|
git_repository_open(&repo, (Control::instance()->addonsPath() + "/" + m_name).toLocal8Bit());
|
|
m_repo.reset(repo);
|
|
}
|
|
|
|
void Addon::delegate(QString taskname, auto work, auto callback)
|
|
{
|
|
Q_ASSERT_X(QThread::currentThread() == thread(), "delegate", "Attempt to delegate from another thread.");
|
|
if (status() != Status::Ready) {
|
|
qInfo() << name() << "Enqueueing" << taskname;
|
|
m_tasks.enqueue({taskname, [this, taskname, work, callback](){delegate(taskname, work,callback);}});
|
|
return;
|
|
}
|
|
qInfo() << name() << "Executing " << taskname;
|
|
setProgress(0);
|
|
setTotal(0);
|
|
setStatus(Status::Busy);
|
|
using ret_t = typename std::invoke_result<decltype(work)>::type;
|
|
QFuture<ret_t> fut = QtConcurrent::run(m_pool, work);
|
|
QFutureWatcher<ret_t> *fw = new QFutureWatcher<ret_t>();
|
|
connect(fw, &QFutureWatcher<ret_t>::finished, [this, callback, fw](){
|
|
setStatus(Status::Ready);
|
|
TaskQueue old;
|
|
m_tasks.swap(old);
|
|
|
|
if constexpr (std::is_same<ret_t, void>::value)
|
|
callback();
|
|
else
|
|
callback(fw->result());
|
|
|
|
m_tasks.append(old);
|
|
|
|
if (!m_tasks.isEmpty() && status() != Status::Busy)
|
|
m_tasks.dequeue().second();
|
|
});
|
|
connect(fw, &QFutureWatcher<ret_t>::finished, fw, &QFutureWatcher<ret_t>::deleteLater);
|
|
fw->setFuture(fut);
|
|
}
|
|
|
|
void Addon::delegate(QString taskname, auto work)
|
|
{
|
|
using ret_t = typename std::invoke_result<decltype(work)>::type;
|
|
if constexpr (std::is_same<ret_t, void>::value)
|
|
delegate(taskname, work, [](){});
|
|
else
|
|
delegate(taskname, work, [](ret_t){});
|
|
}
|