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stable visdiff: fix diff-to-local with file filters

Closes #1065

Changeset 62b90c025f3f

Parent 807eac026265

by Steve Borho

Changes to one file · Browse files at 62b90c025f3f Showing diff from parent 807eac026265 Diff from another changeset...

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 # visdiff.py - launch external visual diff tools  #  # Copyright 2009 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.    import gtk  import gobject  import os  import subprocess  import stat  import shutil  import threading  import tempfile  import re    from mercurial import hg, ui, cmdutil, util, error, match, copies    from tortoisehg.util.i18n import _  from tortoisehg.util import hglib, settings, paths    from tortoisehg.hgtk import gdialog, gtklib    try:   import win32con   openflags = win32con.CREATE_NO_WINDOW  except ImportError:   openflags = 0    # Match parent2 first, so 'parent1?' will match both parent1 and parent  _regex = '\$(parent2|parent1?|child|plabel1|plabel2|clabel|ancestor|alabel)'    _nonexistant = _('[non-existant]')    def snapshot(repo, files, ctx, tmproot):   '''snapshot files as of some revision'''   dirname = os.path.basename(repo.root) or 'root'   if ctx.rev() is not None:   dirname = '%s.%s' % (dirname, str(ctx))   base = os.path.join(tmproot, dirname)   os.mkdir(base)   fns_and_mtime = []   for fn in files:   wfn = util.pconvert(fn)   if not wfn in ctx:   # File doesn't exist; could be a bogus modify   continue   dest = os.path.join(base, wfn)   destdir = os.path.dirname(dest)   if not os.path.isdir(destdir):   os.makedirs(destdir)   data = repo.wwritedata(wfn, ctx[wfn].data())   f = open(dest, 'wb')   f.write(data)   f.close()   if ctx.rev() is None:   fns_and_mtime.append((dest, repo.wjoin(fn), os.path.getmtime(dest)))   elif os.name != 'nt':   # Make file read/only, to indicate it's static (archival) nature   os.chmod(dest, stat.S_IREAD)   return base, fns_and_mtime    def launchtool(cmd, opts, replace, block):   def quote(match):   key = match.group()[1:]   return util.shellquote(replace[key])   args = ' '.join(opts)   args = re.sub(_regex, quote, args)   cmdline = util.shellquote(cmd) + ' ' + args   cmdline = util.quotecommand(cmdline)   try:   proc = subprocess.Popen(cmdline, shell=True,   creationflags=openflags,   stderr=subprocess.PIPE,   stdout=subprocess.PIPE,   stdin=subprocess.PIPE)   if block:   proc.communicate()   except (OSError, EnvironmentError), e:   gdialog.Prompt(_('Tool launch failure'),   _('%s : %s') % (cmd, str(e)), None).run()    def filemerge(ui, fname, patchedfname):   'Launch the preferred visual diff tool for two text files'   detectedtools = hglib.difftools(ui)   if not detectedtools:   gdialog.Prompt(_('No diff tool found'),   _('No visual diff tools were detected'), None).run()   return None   preferred = besttool(ui, detectedtools)   diffcmd, diffopts, mergeopts = detectedtools[preferred]   replace = dict(parent=fname, parent1=fname,   plabel1=fname + _('[working copy]'),   child=patchedfname, clabel=_('[original]'))   launchtool(diffcmd, diffopts, replace, True)      def besttool(ui, tools):   'Select preferred or highest priority tool from dictionary'   preferred = ui.config('tortoisehg', 'vdiff') or ui.config('ui', 'merge')   if preferred and preferred in tools:   return preferred   pris = []   for t in tools.keys():   p = int(ui.config('merge-tools', t + '.priority', 0))   pris.append((-p, t))   tools = sorted(pris)   return tools[0][1]      def visualdiff(ui, repo, pats, opts):   revs = opts.get('rev')   change = opts.get('change')     try:   ctx1b = None   if change:   ctx2 = repo[change]   p = ctx2.parents()   if len(p) > 1:   ctx1a, ctx1b = p   else:   ctx1a = p[0]   else:   n1, n2 = cmdutil.revpair(repo, revs)   ctx1a, ctx2 = repo[n1], repo[n2]   p = ctx2.parents()   if not revs and len(p) > 1:   ctx1b = p[1]   except (error.LookupError, error.RepoError):   gdialog.Prompt(_('Unable to find changeset'),   _('You likely need to refresh this application'),   None).run()   return None   - lpats = [util.localpath(f) for f in pats] - m = match.match(repo.root, repo.root, lpats) + pats = cmdutil.expandpats(pats) + m = match.match(repo.root, '', pats, None, None, 'relpath')   n2 = ctx2.node()   mod_a, add_a, rem_a = map(set, repo.status(ctx1a.node(), n2, m)[:3])   if ctx1b:   mod_b, add_b, rem_b = map(set, repo.status(ctx1b.node(), n2, m)[:3])   cpy = copies.copies(repo, ctx1a, ctx1b, ctx1a.ancestor(ctx1b))[0]   else:   cpy = copies.copies(repo, ctx1a, ctx2, repo[-1])[0]   mod_b, add_b, rem_b = set(), set(), set()   MA = mod_a | add_a | mod_b | add_b   MAR = MA | rem_a | rem_b   if not MAR:   gdialog.Prompt(_('No file changes'),   _('There are no file changes to view'), None).run()   return None     detectedtools = hglib.difftools(repo.ui)   if not detectedtools:   gdialog.Prompt(_('No diff tool found'),   _('No visual diff tools were detected'), None).run()   return None     preferred = besttool(repo.ui, detectedtools)     # Build tool list based on diff-patterns matches   toollist = set()   patterns = repo.ui.configitems('diff-patterns')   patterns = [(p, t) for p,t in patterns if t in detectedtools]   for path in MAR:   for pat, tool in patterns:   mf = match.match(repo.root, '', [pat])   if mf(path):   toollist.add(tool)   break   else:   toollist.add(preferred)     cto = cpy.keys()   cfrom = cpy.values()   for path in MAR:   if path in cto or path in cfrom:   hascopies = True   break   else:   hascopies = False   force = repo.ui.configbool('tortoisehg', 'forcevdiffwin')   if len(toollist) > 1 or hascopies or force:   usewin = True   else:   preferred = toollist.pop()   dirdiff = repo.ui.configbool('merge-tools', preferred + '.dirdiff')   dir3diff = repo.ui.configbool('merge-tools', preferred + '.dir3diff')   usewin = repo.ui.configbool('merge-tools', preferred + '.usewin')   if not usewin and len(MAR) > 1:   if ctx1b is not None:   usewin = not dir3diff   else:   usewin = not dirdiff   if usewin:   # Multiple required tools, or tool does not support directory diffs   sa = [mod_a, add_a, rem_a]   sb = [mod_b, add_b, rem_b]   dlg = FileSelectionDialog(repo, pats, ctx1a, sa, ctx1b, sb, ctx2, cpy)   return dlg     # We can directly use the selected tool, without a visual diff window   diffcmd, diffopts, mergeopts = detectedtools[preferred]     # Disable 3-way merge if there is only one parent or no tool support   do3way = False   if ctx1b:   if mergeopts:   do3way = True   args = mergeopts   else:   args = diffopts   if str(ctx1b.rev()) in revs:   ctx1a = ctx1b   else:   args = diffopts     def dodiff(tmproot):   fns_and_mtime = []     # Always make a copy of ctx1a (and ctx1b, if applicable)   files = mod_a | rem_a | ((mod_b | add_b) - add_a)   dir1a = snapshot(repo, files, ctx1a, tmproot)[0]   label1a = '@%d' % ctx1a.rev()   if do3way:   files = mod_b | rem_b | ((mod_a | add_a) - add_b)   dir1b = snapshot(repo, files, ctx1b, tmproot)[0]   label1b = '@%d' % ctx1b.rev()   # snapshot for ancestor revision   ctxa = ctx1a.ancestor(ctx1b)   if ctxa == ctx1a:   dira = dir1a   elif ctxa == ctx1b:   dira = dir1b   else:   dira = snapshot(repo, MAR, ctxa, tmproot)[0]   labela = '@%d' % ctxa.rev()   else:   dir1b, dira = None, None   label1b, labela = '', ''     if ctx2.rev() is not None:   # If ctx2 is not the working copy, create a snapshot for it   dir2 = snapshot(repo, MA, ctx2, tmproot)[0]   label2 = '@%d' % ctx2.rev()   elif len(MAR) == 1:   # This lets the diff tool open the changed file directly   label2 = ''   dir2 = repo.root   else:   # Create a snapshot, record mtime to detect mods made by   # diff tool   dir2, fns_and_mtime = snapshot(repo, MA, ctx2, tmproot)   label2 = 'working files'     def getfile(fname, dir, label):   file = os.path.join(tmproot, dir, fname)   if os.path.isfile(file):   return fname+label, file   nullfile = os.path.join(tmproot, 'empty')   fp = open(nullfile, 'w')   fp.close()   return _nonexistant+label, nullfile     # If only one change, diff the files instead of the directories   # Handle bogus modifies correctly by checking if the files exist   if len(MAR) == 1:   lfile = util.localpath(MAR.pop())   label1a, dir1a = getfile(lfile, dir1a, label1a)   if do3way:   label1b, dir1b = getfile(lfile, dir1b, label1b)   labela, dira = getfile(lfile, dira, labela)   label2, dir2 = getfile(lfile, dir2, label2)   if do3way:   label1a += '[local]'   label1b += '[other]'   labela += '[ancestor]'   label2 += '[merged]'     # Function to quote file/dir names in the argument string   replace = dict(parent=dir1a, parent1=dir1a, parent2=dir1b,   plabel1=label1a, plabel2=label1b,   ancestor=dira, alabel=labela,   clabel=label2, child=dir2)   launchtool(diffcmd, args, replace, True)     # detect if changes were made to mirrored working files   for copy_fn, working_fn, mtime in fns_and_mtime:   if os.path.getmtime(copy_fn) != mtime:   ui.debug('file changed while diffing. '   'Overwriting: %s (src: %s)\n' % (working_fn, copy_fn))   util.copyfile(copy_fn, working_fn)     def dodiffwrapper():   try:   dodiff(tmproot)   finally:   ui.note(_('cleaning up temp directory\n'))   try:   shutil.rmtree(tmproot)   except (IOError, OSError), e:   # Leaking temporary files, fix your diff tool config   ui.note(_('unable to clean temp directory: %s\n'), str(e))     tmproot = tempfile.mkdtemp(prefix='visualdiff.')   if opts.get('mainapp'):   dodiffwrapper()   else:   # We are not the main application, so this must be done in a   # background thread   thread = threading.Thread(target=dodiffwrapper, name='visualdiff')   thread.setDaemon(True)   thread.start()    class FileSelectionDialog(gtk.Dialog):   'Dialog for selecting visual diff candidates'   def __init__(self, repo, pats, ctx1a, sa, ctx1b, sb, ctx2, cpy):   'Initialize the Dialog'   gtk.Dialog.__init__(self, title=_('Visual Diffs'))   gtklib.set_tortoise_icon(self, 'menushowchanged.ico')   gtklib.set_tortoise_keys(self)     if ctx2.rev() is None:   title = _('working changes')   elif ctx1a == ctx2.parents()[0]:   title = _('changeset ') + str(ctx2.rev())   else:   title = _('revisions %d to %d') % (ctx1a.rev(), ctx2.rev())   title = _('Visual Diffs - ') + title   if pats:   title += _(' filtered')   self.set_title(title)     self.set_default_size(400, 250)   self.set_has_separator(False)     if ctx1b:   ctxa = ctx1a.ancestor(ctx1b)   else:   ctxa = ctx1a   self.ctxs = (ctx1a, ctx1b, ctxa, ctx2)   self.copies = cpy   self.ui = repo.ui     lbl = gtk.Label(_('Temporary files are removed when this dialog'   ' is closed'))   self.vbox.pack_start(lbl, False, False, 2)     scroller = gtk.ScrolledWindow()   scroller.set_shadow_type(gtk.SHADOW_IN)   scroller.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)   treeview = gtk.TreeView()   self.treeview = treeview   treeview.get_selection().set_mode(gtk.SELECTION_SINGLE)   treeview.set_search_equal_func(self.search_filelist)   scroller.add(treeview)   self.vbox.pack_start(scroller, True, True, 2)     treeview.connect('row-activated', self.rowactivated)   treeview.set_headers_visible(False)   treeview.set_property('enable-grid-lines', True)   treeview.set_enable_search(False)     accelgroup = gtk.AccelGroup()   self.add_accel_group(accelgroup)   mod = gtklib.get_thg_modifier()   key, modifier = gtk.accelerator_parse(mod+'d')   treeview.add_accelerator('thg-diff', accelgroup, key,   modifier, gtk.ACCEL_VISIBLE)   treeview.connect('thg-diff', self.rowactivated)     cell = gtk.CellRendererText()   stcol = gtk.TreeViewColumn('Status', cell)   stcol.set_resizable(True)   stcol.add_attribute(cell, 'text', 0)   treeview.append_column(stcol)     cell = gtk.CellRendererText()   fcol = gtk.TreeViewColumn('Filename', cell)   fcol.set_resizable(True)   fcol.add_attribute(cell, 'text', 1)   treeview.append_column(fcol)     model = gtk.ListStore(str, str)   treeview.set_model(model)     tools = hglib.difftools(repo.ui)   preferred = besttool(repo.ui, tools)   self.diffpath, self.diffopts, self.mergeopts = tools[preferred]     hbox = gtk.HBox()   self.vbox.pack_start(hbox, False, False, 2)     if ctx2.rev() is None:   pass   # Do not offer directory diffs when the working directory   # is being referenced directly   elif ctx1b:   self.p1button = gtk.Button(_('Dir diff to p1'))   self.p1button.connect('pressed', self.p1dirdiff)   self.p2button = gtk.Button(_('Dir diff to p2'))   self.p2button.connect('pressed', self.p2dirdiff)   self.p3button = gtk.Button(_('3-way dir diff'))   self.p3button.connect('pressed', self.threewaydirdiff)   hbox.pack_end(self.p3button, False, False)   hbox.pack_end(self.p2button, False, False)   hbox.pack_end(self.p1button, False, False)   else:   self.dbutton = gtk.Button(_('Directory diff'))   self.dbutton.connect('pressed', self.p1dirdiff)   hbox.pack_end(self.dbutton, False, False)     self.update_diff_buttons(preferred)     if len(tools) > 1:   combo = gtk.combo_box_new_text()   for i, name in enumerate(tools.iterkeys()):   combo.append_text(name)   if name == preferred:   defrow = i   combo.set_active(defrow)   combo.connect('changed', self.toolselect, tools)   hbox.pack_start(combo, False, False, 2)     patterns = repo.ui.configitems('diff-patterns')   patterns = [(p, t) for p,t in patterns if t in tools]   filesel = treeview.get_selection()   filesel.connect('changed', self.fileselect, repo, combo, tools,   patterns, preferred)     gobject.idle_add(self.fillmodel, repo, model, sa, sb)     def fillmodel(self, repo, model, sa, sb):   ctx1a, ctx1b, ctxa, ctx2 = self.ctxs   mod_a, add_a, rem_a = sa   mod_b, add_b, rem_b = sb   sources = set(self.copies.values())     MA = mod_a | add_a | mod_b | add_b   MAR = MA | rem_a | rem_b | sources     tmproot = tempfile.mkdtemp(prefix='visualdiff.')   self.tmproot = tmproot     # Always make a copy of node1a (and node1b, if applicable)   files = sources | mod_a | rem_a | ((mod_b | add_b) - add_a)   dir1a = snapshot(repo, files, ctx1a, tmproot)[0]   rev1a = '@%d' % ctx1a.rev()   if ctx1b:   files = sources | mod_b | rem_b | ((mod_a | add_a) - add_b)   dir1b = snapshot(repo, files, ctx1b, tmproot)[0]   rev1b = '@%d' % ctx1b.rev()   if ctxa == ctx1a:   dira = dir1a   elif ctxa == ctx1b:   dira = dir1b   else:   # snapshot for ancestor revision   dira = snapshot(repo, MAR, ctxa, tmproot)[0]   reva = '@%d' % ctxa.rev()   else:   dir1b, dira = None, None   rev1b, reva = '', ''     # If ctx2 is the working copy, use it directly   if ctx2.rev() is None:   dir2 = repo.root   rev2 = ''   else:   dir2 = snapshot(repo, MA, ctx2, tmproot)[0]   rev2 = '@%d' % ctx2.rev()     self.dirs = (dir1a, dir1b, dira, dir2)   self.revs = (rev1a, rev1b, reva, rev2)     def get_status(file, mod, add, rem):   if file in mod:   return 'M'   if file in add:   return 'A'   if file in rem:   return 'R'   return ' '     for f in sorted(mod_a | add_a | rem_a):   model.append([get_status(f, mod_a, add_a, rem_a), hglib.toutf(f)])     self.connect('response', self.response)     def search_filelist(self, model, column, key, iter):   'case insensitive filename search'   key = key.lower()   if key in model.get_value(iter, 1).lower():   return False   return True     def toolselect(self, combo, tools):   'user selected a tool from the tool combo'   sel = combo.get_active_text()   if sel in tools:   self.diffpath, self.diffopts, self.mergeopts = tools[sel]   self.update_diff_buttons(sel)     def update_diff_buttons(self, tool):   if hasattr(self, 'p1button'):   d2 = self.ui.configbool('merge-tools', tool + '.dirdiff')   d3 = self.ui.configbool('merge-tools', tool + '.dir3diff')   self.p1button.set_sensitive(d2)   self.p2button.set_sensitive(d2)   self.p3button.set_sensitive(d3)   elif hasattr(self, 'dbutton'):   d2 = self.ui.configbool('merge-tools', tool + '.dirdiff')   self.dbutton.set_sensitive(d2)     def fileselect(self, selection, repo, combo, tools, patterns, preferred):   'user selected a file, pick an appropriate tool from combo'   model, path = selection.get_selected()   if not path:   return   row = model[path]   fname = row[-1]   for pat, tool in patterns:   mf = match.match(repo.root, '', [pat])   if mf(fname):   selected = tool   break   else:   selected = preferred   for i, name in enumerate(tools.iterkeys()):   if name == selected:   combo.set_active(i)     def response(self, window, resp):   self.should_live()     def should_live(self):   while self.tmproot:   try:   shutil.rmtree(self.tmproot)   return False   except (IOError, OSError), e:   resp = gdialog.CustomPrompt(_('Unable to delete temp files'),   _('Close diff tools and try again, or quit to leak files?'),   self, (_('Try &Again'), _('&Quit')), 1).run()   if resp == 0:   continue   else:   return False   return False     def rowactivated(self, tree, *args):   selection = tree.get_selection()   if selection.count_selected_rows() != 1:   return False   model, paths = selection.get_selected_rows()   self.launch(*model[paths[0]])     def launch(self, st, fname):   fname = hglib.fromutf(fname)   source = self.copies.get(fname, None)   dir1a, dir1b, dira, dir2 = self.dirs   rev1a, rev1b, reva, rev2 = self.revs   ctx1a, ctx1b, ctxa, ctx2 = self.ctxs     def getfile(ctx, dir, fname, source):   m = ctx.manifest()   if fname in m:   path = os.path.join(dir, util.localpath(fname))   return fname, path   elif source and source in m:   path = os.path.join(dir, util.localpath(source))   return source, path   else:   nullfile = os.path.join(self.tmproot, 'empty')   fp = open(nullfile, 'w')   fp.close()   return _nonexistant, nullfile     local, file1a = getfile(ctx1a, dir1a, fname, source)   if ctx1b:   other, file1b = getfile(ctx1b, dir1b, fname, source)   ancestor, filea = getfile(ctxa, dira, fname, source)   else:   other, ancestor = fname, fname   file1b, filea = None, None   fname, file2 = getfile(ctx2, dir2, fname, None)     label1a = local+rev1a   label1b = other+rev1b   labela = ancestor+reva   label2 = fname+rev2   if ctx1b:   label1a += '[local]'   label1b += '[other]'   labela += '[ancestor]'   label2 += '[merged]'     # Function to quote file/dir names in the argument string   replace = dict(parent=file1a, parent1=file1a, plabel1=label1a,   parent2=file1b, plabel2=label1b,   ancestor=filea, alabel=labela,   clabel=label2, child=file2)   args = ctx1b and self.mergeopts or self.diffopts   launchtool(self.diffpath, args, replace, False)     def p1dirdiff(self, button):   dir1a, dir1b, dira, dir2 = self.dirs   rev1a, rev1b, reva, rev2 = self.revs     replace = dict(parent=dir1a, parent1=dir1a, plabel1=rev1a,   parent2='', plabel2='', ancestor='', alabel='',   clabel=rev2, child=dir2)   launchtool(self.diffpath, self.diffopts, replace, False)     def p2dirdiff(self, button):   dir1a, dir1b, dira, dir2 = self.dirs   rev1a, rev1b, reva, rev2 = self.revs     replace = dict(parent=dir1b, parent1=dir1b, plabel1=rev1b,   parent2='', plabel2='', ancestor='', alabel='',   clabel=rev2, child=dir2)   launchtool(self.diffpath, self.diffopts, replace, False)     def threewaydirdiff(self, button):   dir1a, dir1b, dira, dir2 = self.dirs   rev1a, rev1b, reva, rev2 = self.revs     replace = dict(parent=dir1a, parent1=dir1a, plabel1=rev1a,   parent2=dir1b, plabel2=rev1b,   ancestor=dira, alabel=reva,   clabel=dir2, child=rev2)   launchtool(self.diffpath, self.mergeopts, replace, False)      def run(ui, *pats, **opts):   try:   path = opts.get('bundle') or paths.find_root()   repo = hg.repository(ui, path=path)   except error.RepoError:   ui.warn(_('No repository found here') + '\n')   return None     pats = hglib.canonpaths(pats)   if opts.get('canonpats'):   pats = list(pats) + opts['canonpats']     return visualdiff(ui, repo, pats, opts)