--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -389,16 +389,17 @@ def canonpath(root, cwd, myname):
raise Abort('%s not under root' % myname)
-def matcher(canonroot, cwd='', names=['.'], inc=[], exc=[], head='', src=None):
- return _matcher(canonroot, cwd, names, inc, exc, head, 'glob', src)
+def matcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None):
+ return _matcher(canonroot, cwd, names, inc, exc, 'glob', src)
-def cmdmatcher(canonroot, cwd='', names=['.'], inc=[], exc=[], head='',
- src=None, globbed=False):
- if not globbed:
+def cmdmatcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None,
+ globbed=False, default=None):
+ default = default or 'relpath'
+ if default == 'relpath' and not globbed:
names = expand_glob(names)
- return _matcher(canonroot, cwd, names, inc, exc, head, 'relpath', src)
+ return _matcher(canonroot, cwd, names, inc, exc, default, src)
-def _matcher(canonroot, cwd, names, inc, exc, head, dflt_pat, src):
+def _matcher(canonroot, cwd, names, inc, exc, dflt_pat, src):
"""build a function to match a set of file patterns
arguments:
@@ -407,26 +408,30 @@ def _matcher(canonroot, cwd, names, inc,
names - patterns to find
inc - patterns to include
exc - patterns to exclude
- head - a regex to prepend to patterns to control whether a match is rooted
+ dflt_pat - if a pattern in names has no explicit type, assume this one
+ src - where these patterns came from (e.g. .hgignore)
a pattern is one of:
- 'glob:<rooted glob>'
- 're:<rooted regexp>'
- 'path:<rooted path>'
- 'relglob:<relative glob>'
- 'relpath:<relative path>'
- 'relre:<relative regexp>'
- '<rooted path or regexp>'
+ 'glob:<glob>' - a glob relative to cwd
+ 're:<regexp>' - a regular expression
+ 'path:<path>' - a path relative to canonroot
+ 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs)
+ 'relpath:<path>' - a path relative to cwd
+ 'relre:<regexp>' - a regexp that doesn't have to match the start of a name
+ '<something>' - one of the cases above, selected by the dflt_pat argument
returns:
a 3-tuple containing
- - list of explicit non-pattern names passed in
+ - list of roots (places where one should start a recursive walk of the fs);
+ this often matches the explicit non-pattern names passed in, but also
+ includes the initial part of glob: patterns that has no glob characters
- a bool match(filename) function
- a bool indicating if any patterns were passed in
+ """
- todo:
- make head regex a rooted bool
- """
+ # a common case: no patterns at all
+ if not names and not inc and not exc:
+ return [], always, False
def contains_glob(name):
for c in name:
@@ -435,19 +440,21 @@ def _matcher(canonroot, cwd, names, inc,
def regex(kind, name, tail):
'''convert a pattern into a regular expression'''
+ if not name:
+ return ''
if kind == 're':
return name
elif kind == 'path':
return '^' + re.escape(name) + '(?:/|$)'
elif kind == 'relglob':
- return head + globre(name, '(?:|.*/)', tail)
+ return globre(name, '(?:|.*/)', '(?:/|$)')
elif kind == 'relpath':
- return head + re.escape(name) + tail
+ return re.escape(name) + '(?:/|$)'
elif kind == 'relre':
if name.startswith('^'):
return name
return '.*' + name
- return head + globre(name, '', tail)
+ return globre(name, '', tail)
def matchfn(pats, tail):
"""build a matching function from a set of patterns"""
@@ -473,46 +480,53 @@ def _matcher(canonroot, cwd, names, inc,
def globprefix(pat):
'''return the non-glob prefix of a path, e.g. foo/* -> foo'''
root = []
- for p in pat.split(os.sep):
+ for p in pat.split('/'):
if contains_glob(p): break
root.append(p)
- return '/'.join(root)
+ return '/'.join(root) or '.'
- pats = []
- files = []
- roots = []
- for kind, name in [patkind(p, dflt_pat) for p in names]:
- if kind in ('glob', 'relpath'):
- name = canonpath(canonroot, cwd, name)
- if name == '':
- kind, name = 'glob', '**'
- if kind in ('glob', 'path', 're'):
- pats.append((kind, name))
- if kind == 'glob':
- root = globprefix(name)
- if root: roots.append(root)
- elif kind == 'relpath':
- files.append((kind, name))
- roots.append(name)
+ def normalizepats(names, default):
+ pats = []
+ files = []
+ roots = []
+ anypats = False
+ for kind, name in [patkind(p, default) for p in names]:
+ if kind in ('glob', 'relpath'):
+ name = canonpath(canonroot, cwd, name)
+ elif kind in ('relglob', 'path'):
+ name = normpath(name)
+ if kind in ('glob', 're', 'relglob', 'relre'):
+ pats.append((kind, name))
+ anypats = True
+ if kind == 'glob':
+ root = globprefix(name)
+ roots.append(root)
+ elif kind in ('relpath', 'path'):
+ files.append((kind, name))
+ roots.append(name)
+ elif kind == 'relglob':
+ roots.append('.')
+ return roots, pats + files, anypats
+
+ roots, pats, anypats = normalizepats(names, dflt_pat)
patmatch = matchfn(pats, '$') or always
- filematch = matchfn(files, '(?:/|$)') or always
incmatch = always
if inc:
- inckinds = [patkind(canonpath(canonroot, cwd, i)) for i in inc]
+ dummy, inckinds, dummy = normalizepats(inc, 'glob')
incmatch = matchfn(inckinds, '(?:/|$)')
excmatch = lambda fn: False
if exc:
- exckinds = [patkind(canonpath(canonroot, cwd, x)) for x in exc]
+ dummy, exckinds, dummy = normalizepats(exc, 'glob')
excmatch = matchfn(exckinds, '(?:/|$)')
- return (roots,
- lambda fn: (incmatch(fn) and not excmatch(fn) and
- (fn.endswith('/') or
- (not pats and not files) or
- (pats and patmatch(fn)) or
- (files and filematch(fn)))),
- (inc or exc or (pats and pats != [('glob', '**')])) and True)
+ if not names and inc and not exc:
+ # common case: hgignore patterns
+ match = incmatch
+ else:
+ match = lambda fn: incmatch(fn) and not excmatch(fn) and patmatch(fn)
+
+ return (roots, match, (inc or exc or anypats) and True)
def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None):
'''enhanced shell command execution.