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compress.py
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# compress.py - History compression dialog for TortoiseHg # # Copyright 2010 Steve Borho <steve@borho.org> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. from PyQt4.QtCore import * from PyQt4.QtGui import * import os from mercurial import revset, merge as mergemod from tortoisehg.util import hglib from tortoisehg.hgqt.i18n import _ from tortoisehg.hgqt import qtlib, csinfo, cmdui, commit, thgrepo BB = QDialogButtonBox class CompressDialog(QDialog): showMessage = pyqtSignal(QString) def __init__(self, repo, revs, parent): super(CompressDialog, self).__init__(parent) f = self.windowFlags() self.setWindowFlags(f & ~Qt.WindowContextHelpButtonHint) self.repo = repo self.revs = revs box = QVBoxLayout() box.setSpacing(8) box.setContentsMargins(*(6,)*4) self.setLayout(box) style = csinfo.panelstyle(selectable=True) srcb = QGroupBox( _('Compress changesets up to and including')) srcb.setLayout(QVBoxLayout()) srcb.layout().setContentsMargins(*(2,)*4) source = csinfo.create(self.repo, revs[0], style, withupdate=True) srcb.layout().addWidget(source) self.layout().addWidget(srcb) destb = QGroupBox( _('Onto destination')) destb.setLayout(QVBoxLayout()) destb.layout().setContentsMargins(*(2,)*4) dest = csinfo.create(self.repo, revs[1], style, withupdate=True) destb.layout().addWidget(dest) self.destcsinfo = dest self.layout().addWidget(destb) self.cmd = cmdui.Widget(True, True, self) self.cmd.commandFinished.connect(self.commandFinished) self.cmd.setShowOutput(True) self.showMessage.connect(self.cmd.stbar.showMessage) self.cmd.stbar.linkActivated.connect(self.linkActivated) self.layout().addWidget(self.cmd, 2) bbox = QDialogButtonBox() self.cancelbtn = bbox.addButton(QDialogButtonBox.Cancel) self.cancelbtn.clicked.connect(self.reject) self.compressbtn = bbox.addButton(_('Compress'), QDialogButtonBox.ActionRole) self.compressbtn.clicked.connect(self.compress) self.layout().addWidget(bbox) self.bbox = bbox self.showMessage.emit(_('Checking...')) QTimer.singleShot(0, self.checkStatus) self.setMinimumWidth(480) self.setMaximumHeight(800) self.resize(0, 340) self.setWindowTitle(_('Compress - %s') % repo.displayname) def checkStatus(self): repo = self.repo class CheckThread(QThread): def __init__(self, parent): QThread.__init__(self, parent) self.dirty = False def run(self): wctx = repo[None] if len(wctx.parents()) > 1: self.dirty = True elif wctx.dirty(): self.dirty = True else: for root, path, status in thgrepo.recursiveMergeStatus(repo): if status == 'u': self.dirty = True break def completed(): self.th.wait() if self.th.dirty: self.compressbtn.setEnabled(False) txt = _('Before compress, you must <a href="commit">' '<b>commit</b></a> or <a href="discard">' '<b>discard</b></a> changes.') else: self.compressbtn.setEnabled(True) txt = _('You may continue the compress') self.showMessage.emit(txt) self.th = CheckThread(self) self.th.finished.connect(completed) self.th.start() def compress(self): self.cancelbtn.setShown(False) uc = ['update', '--repository', self.repo.root, '--clean', '--rev', str(self.revs[1])] rc = ['revert', '--repository', self.repo.root, '--all', '--rev', str(self.revs[0])] self.repo.incrementBusyCount() self.cmd.run(uc, rc) def commandFinished(self, ret): self.repo.decrementBusyCount() self.showMessage.emit(_('Changes have been moved, you must now commit')) self.compressbtn.setText(_('Commit', 'action button')) self.compressbtn.clicked.disconnect(self.compress) self.compressbtn.clicked.connect(self.commit) def commit(self): tip, base = self.revs func = revset.match(self.repo.ui, '%s::%s' % (base, tip)) revcount = len(self.repo) revs = [c for c in func(self.repo, range(revcount)) if c != base] descs = [self.repo[c].description() for c in revs] self.repo.opener('cur-message.txt', 'w').write('\n* * *\n'.join(descs)) dlg = commit.CommitDialog(self.repo, [], {}, self) dlg.finished.connect(dlg.deleteLater) dlg.exec_() self.showMessage.emit(_('Compress is complete, old history untouched')) self.compressbtn.setText(_('Close')) self.compressbtn.clicked.disconnect(self.commit) self.compressbtn.clicked.connect(self.accept) def linkActivated(self, cmd): if cmd == 'commit': dlg = commit.CommitDialog(self.repo, [], {}, self) dlg.finished.connect(dlg.deleteLater) dlg.exec_() self.checkStatus() elif cmd == 'discard': labels = [(QMessageBox.Yes, _('&Discard')), (QMessageBox.No, _('Cancel'))] if not qtlib.QuestionMsgBox(_('Confirm Discard'), _('Discard outstanding changes to working directory?'), labels=labels, parent=self): return def finished(ret): self.repo.decrementBusyCount() if ret == 0: self.checkStatus() cmdline = ['update', '--clean', '--repository', self.repo.root, '--rev', '.'] self.runner = cmdui.Runner(False, self) self.runner.commandFinished.connect(finished) self.repo.incrementBusyCount() self.runner.run(cmdline)