view tests/test-audit-path.t @ 15551:1fa41d1f1351 stable

posix: add extended support for OS X path folding

OS X does the following transformation on paths for comparisons:

a) 8-bit strings are decoded as UTF-8 to UTF-16
b) undecodable bytes are percent-escaped
c) accented characters are converted to NFD decomposed form, approximately
d) characters are converted to _lowercase_ using internal tables

Both (c) and (d) are done using internal tables that vary from release
to release and match Unicode specs to greater or lesser extent. We
approximate these functions using Python's internal Unicode data.

With this change, Mercurial will (in almost all cases) match OS X
folding and not report unknown file aliases for files in UTF-8 or
other encodings.

  $ hg init

should fail

  $ hg add .hg/00changelog.i
  abort: path contains illegal component: .hg/00changelog.i
  [255]

  $ mkdir a
  $ echo a > a/a
  $ hg ci -Ama
  adding a/a
  $ ln -s a b
  $ echo b > a/b

should fail

  $ hg add b/b
  abort: path 'b/b' traverses symbolic link 'b'
  [255]

should succeed

  $ hg add b

should still fail - maybe

  $ hg add b/b
  abort: path 'b/b' traverses symbolic link 'b'
  [255]

unbundle tampered bundle

  $ hg init target
  $ cd target
  $ hg unbundle $TESTDIR/bundles/tampered.hg
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 6 changes to 6 files (+4 heads)
  (run 'hg heads' to see heads, 'hg merge' to merge)

attack .hg/test

  $ hg manifest -r0
  .hg/test
  $ hg update -Cr0
  abort: path contains illegal component: .hg/test
  [255]

attack foo/.hg/test

  $ hg manifest -r1
  foo/.hg/test
  $ hg update -Cr1
  abort: path 'foo/.hg/test' is inside nested repo 'foo'
  [255]

attack back/test where back symlinks to ..

  $ hg manifest -r2
  back
  back/test
  $ hg update -Cr2
  abort: path 'back/test' traverses symbolic link 'back'
  [255]

attack ../test

  $ hg manifest -r3
  ../test
  $ hg update -Cr3
  abort: path contains illegal component: ../test
  [255]

attack /tmp/test

  $ hg manifest -r4
  /tmp/test
  $ hg update -Cr4
  abort: No such file or directory: $TESTTMP/target//tmp/test
  [255]