--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mercurial/wdutil.py	Sun May 08 17:48:30 2011 +0200
@@ -0,0 +1,162 @@
+# wdutil.py - working dir utilities
+#
+# Copyright 2011 Patrick Mezard <pmezard@gmail.com>
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+
+import glob, os
+import util, similar, scmutil
+import match as matchmod
+from i18n import _
+
+def expandpats(pats):
+    if not util.expandglobs:
+        return list(pats)
+    ret = []
+    for p in pats:
+        kind, name = matchmod._patsplit(p, None)
+        if kind is None:
+            try:
+                globbed = glob.glob(name)
+            except re.error:
+                globbed = [name]
+            if globbed:
+                ret.extend(globbed)
+                continue
+        ret.append(p)
+    return ret
+
+def match(repo, pats=[], opts={}, globbed=False, default='relpath'):
+    if pats == ("",):
+        pats = []
+    if not globbed and default == 'relpath':
+        pats = expandpats(pats or [])
+    m = matchmod.match(repo.root, repo.getcwd(), pats,
+                       opts.get('include'), opts.get('exclude'), default,
+                       auditor=repo.auditor)
+    def badfn(f, msg):
+        repo.ui.warn("%s: %s\n" % (m.rel(f), msg))
+    m.bad = badfn
+    return m
+
+def matchall(repo):
+    return matchmod.always(repo.root, repo.getcwd())
+
+def matchfiles(repo, files):
+    return matchmod.exact(repo.root, repo.getcwd(), files)
+
+def addremove(repo, pats=[], opts={}, dry_run=None, similarity=None):
+    if dry_run is None:
+        dry_run = opts.get('dry_run')
+    if similarity is None:
+        similarity = float(opts.get('similarity') or 0)
+    # we'd use status here, except handling of symlinks and ignore is tricky
+    added, unknown, deleted, removed = [], [], [], []
+    audit_path = scmutil.pathauditor(repo.root)
+    m = match(repo, pats, opts)
+    for abs in repo.walk(m):
+        target = repo.wjoin(abs)
+        good = True
+        try:
+            audit_path(abs)
+        except (OSError, util.Abort):
+            good = False
+        rel = m.rel(abs)
+        exact = m.exact(abs)
+        if good and abs not in repo.dirstate:
+            unknown.append(abs)
+            if repo.ui.verbose or not exact:
+                repo.ui.status(_('adding %s\n') % ((pats and rel) or abs))
+        elif repo.dirstate[abs] != 'r' and (not good or not os.path.lexists(target)
+            or (os.path.isdir(target) and not os.path.islink(target))):
+            deleted.append(abs)
+            if repo.ui.verbose or not exact:
+                repo.ui.status(_('removing %s\n') % ((pats and rel) or abs))
+        # for finding renames
+        elif repo.dirstate[abs] == 'r':
+            removed.append(abs)
+        elif repo.dirstate[abs] == 'a':
+            added.append(abs)
+    copies = {}
+    if similarity > 0:
+        for old, new, score in similar.findrenames(repo,
+                added + unknown, removed + deleted, similarity):
+            if repo.ui.verbose or not m.exact(old) or not m.exact(new):
+                repo.ui.status(_('recording removal of %s as rename to %s '
+                                 '(%d%% similar)\n') %
+                               (m.rel(old), m.rel(new), score * 100))
+            copies[new] = old
+
+    if not dry_run:
+        wctx = repo[None]
+        wlock = repo.wlock()
+        try:
+            wctx.remove(deleted)
+            wctx.add(unknown)
+            for new, old in copies.iteritems():
+                wctx.copy(old, new)
+        finally:
+            wlock.release()
+
+def updatedir(ui, repo, patches, similarity=0):
+    '''Update dirstate after patch application according to metadata'''
+    if not patches:
+        return []
+    copies = []
+    removes = set()
+    cfiles = patches.keys()
+    cwd = repo.getcwd()
+    if cwd:
+        cfiles = [util.pathto(repo.root, cwd, f) for f in patches.keys()]
+    for f in patches:
+        gp = patches[f]
+        if not gp:
+            continue
+        if gp.op == 'RENAME':
+            copies.append((gp.oldpath, gp.path))
+            removes.add(gp.oldpath)
+        elif gp.op == 'COPY':
+            copies.append((gp.oldpath, gp.path))
+        elif gp.op == 'DELETE':
+            removes.add(gp.path)
+
+    wctx = repo[None]
+    for src, dst in copies:
+        dirstatecopy(ui, repo, wctx, src, dst, cwd=cwd)
+    if (not similarity) and removes:
+        wctx.remove(sorted(removes), True)
+
+    for f in patches:
+        gp = patches[f]
+        if gp and gp.mode:
+            islink, isexec = gp.mode
+            dst = repo.wjoin(gp.path)
+            # patch won't create empty files
+            if gp.op == 'ADD' and not os.path.lexists(dst):
+                flags = (isexec and 'x' or '') + (islink and 'l' or '')
+                repo.wwrite(gp.path, '', flags)
+            util.setflags(dst, islink, isexec)
+    addremove(repo, cfiles, similarity=similarity)
+    files = patches.keys()
+    files.extend([r for r in removes if r not in files])
+    return sorted(files)
+
+def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None):
+    """Update the dirstate to reflect the intent of copying src to dst. For
+    different reasons it might not end with dst being marked as copied from src.
+    """
+    origsrc = repo.dirstate.copied(src) or src
+    if dst == origsrc: # copying back a copy?
+        if repo.dirstate[dst] not in 'mn' and not dryrun:
+            repo.dirstate.normallookup(dst)
+    else:
+        if repo.dirstate[origsrc] == 'a' and origsrc == src:
+            if not ui.quiet:
+                ui.warn(_("%s has not been committed yet, so no copy "
+                          "data will be stored for %s.\n")
+                        % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd)))
+            if repo.dirstate[dst] in '?r' and not dryrun:
+                wctx.add([dst])
+        elif not dryrun:
+            wctx.copy(origsrc, dst)