--- a/mercurial/util.py Fri Jun 06 08:29:16 2008 +0100
+++ b/mercurial/util.py Fri Jun 06 19:23:23 2008 +0100
@@ -859,6 +859,53 @@
except:
return True
+_fspathcache = {}
+def fspath(name, root):
+ '''Get name in the case stored in the filesystem
+
+ The name is either relative to root, or it is an absolute path starting
+ with root. Note that this function is unnecessary, and should not be
+ called, for case-sensitive filesystems (simply because it's expensive).
+ '''
+ # If name is absolute, make it relative
+ if name.lower().startswith(root.lower()):
+ l = len(root)
+ if name[l] == os.sep or name[l] == os.altsep:
+ l = l + 1
+ name = name[l:]
+
+ if not os.path.exists(os.path.join(root, name)):
+ return None
+
+ seps = os.sep
+ if os.altsep:
+ seps = seps + os.altsep
+ # Protect backslashes. This gets silly very quickly.
+ seps.replace('\\','\\\\')
+ pattern = re.compile(r'([^%s]+)|([%s]+)' % (seps, seps))
+ dir = os.path.normcase(os.path.normpath(root))
+ result = []
+ for part, sep in pattern.findall(name):
+ if sep:
+ result.append(sep)
+ continue
+
+ if dir not in _fspathcache:
+ _fspathcache[dir] = os.listdir(dir)
+ contents = _fspathcache[dir]
+
+ lpart = part.lower()
+ for n in contents:
+ if n.lower() == lpart:
+ result.append(n)
+ break
+ else:
+ # Cannot happen, as the file exists!
+ result.append(part)
+ dir = os.path.join(dir, lpart)
+
+ return ''.join(result)
+
def checkexec(path):
"""
Check whether the given path is on a filesystem with UNIX-like exec flags