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comparison mercurial/util.py @ 15710:f63e40047372

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icasefs: avoid path-absoluteness/existance check in util.fspath() for efficiency 'dirstate._normalize()', the only caller of 'util.fspath()', has already confirmed exsistance of specified file as relative to root. so, this patch omits path-absoluteness/existance check from 'util.fspath()'.
author FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
date Fri, 16 Dec 2011 21:09:40 +0900
parents a1f4bd47d18e
children c604a3d1969d
comparison
equal deleted inserted replaced
15709:a1f4bd47d18e 15710:f63e40047372
612 612
613 _fspathcache = {} 613 _fspathcache = {}
614 def fspath(name, root): 614 def fspath(name, root):
615 '''Get name in the case stored in the filesystem 615 '''Get name in the case stored in the filesystem
616 616
617 The name is either relative to root, or it is an absolute path starting 617 The name should be relative to root, and be normcase-ed for efficiency.
618 with root. Note that this function is unnecessary, and should not be 618
619 Note that this function is unnecessary, and should not be
619 called, for case-sensitive filesystems (simply because it's expensive). 620 called, for case-sensitive filesystems (simply because it's expensive).
620 621
621 Both name and root should be normcase-ed. 622 The root should be normcase-ed, too.
622 ''' 623 '''
623 # If name is absolute, make it relative
624 if name.startswith(root):
625 l = len(root)
626 if name[l] == os.sep or name[l] == os.altsep:
627 l = l + 1
628 name = name[l:]
629
630 if not os.path.lexists(os.path.join(root, name)):
631 return None
632
633 def find(p, contents): 624 def find(p, contents):
634 lenp = len(p) 625 lenp = len(p)
635 for n in contents: 626 for n in contents:
636 if lenp == len(n) and normcase(n) == p: 627 if lenp == len(n) and normcase(n) == p:
637 return n 628 return n