Mercurial > hg
view tests/test-permissions.t @ 18136:f23dea2b296e
copies: do not track backward copies, only renames (issue3739)
The inverse of a rename is a rename, but the inverse of a copy is not a copy.
Presenting it as such -- in particular, stuffing it into the same dict as real
copies -- causes bugs because other code starts believing the inverse copies
are real.
The only test whose output changes is test-mv-cp-st-diff.t. When a backwards
status -C command is run where a copy is involved, the inverse copy (which was
hitherto presented as a real copy) is no longer displayed.
Keeping track of inverse copies is useful in some situations -- composability
of diffs, for example, since adding "a" followed by an inverse copy "b" to "a"
is equivalent to a rename "b" to "a". However, representing them would require
a more complex data structure than the same dict in which real copies are also
stored.
author | Siddharth Agarwal <sid0@fb.com> |
---|---|
date | Wed, 26 Dec 2012 15:04:07 -0800 |
parents | f2719b387380 |
children | e54a078153f7 |
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$ "$TESTDIR/hghave" unix-permissions || exit 80 $ hg init t $ cd t $ echo foo > a $ hg add a $ hg commit -m "1" $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files 1 files, 1 changesets, 1 total revisions $ chmod -r .hg/store/data/a.i $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files abort: Permission denied: $TESTTMP/t/.hg/store/data/a.i [255] $ chmod +r .hg/store/data/a.i $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files 1 files, 1 changesets, 1 total revisions $ chmod -w .hg/store/data/a.i $ echo barber > a $ hg commit -m "2" trouble committing a! abort: Permission denied: $TESTTMP/t/.hg/store/data/a.i [255] $ chmod -w . $ hg diff --nodates diff -r 2a18120dc1c9 a --- a/a +++ b/a @@ -1,1 +1,1 @@ -foo +barber $ chmod +w . $ chmod +w .hg/store/data/a.i $ mkdir dir $ touch dir/a $ hg status M a ? dir/a $ chmod -rx dir $ hg status dir: Permission denied M a Reenable perm to allow deletion: $ chmod +rx dir $ cd ..