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don't return uninitialized memory from bdiff.blocks()...
don't return uninitialized memory from bdiff.blocks() bdiff.blocks() returns a dummy match at the end of both files; the length of that chunk is never set, so it will sometimes contain random heap garbage. There are apparently workarounds for this elsewhere: # bdiff sometimes gives huge matches past eof, this check eats them,

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r3095:25857e00 default
r4131:1ca664c9 default
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test-confused-revert.out
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/ tests / test-confused-revert.out
%%% should show a removed and b added
A b
R a
reverting...
undeleting a
forgetting b
%%% should show b unknown and a back to normal
? b
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging a
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
%%% should show foo-b
foo-b
%%% should show a removed and b added
A b
R a
%%% revert should fail
abort: uncommitted merge - please provide a specific revision
%%% revert should be ok now
undeleting a
forgetting b
%%% should show b unknown and a marked modified (merged)
? b
%%% should show foo-b
foo-b