Mercurial > hg > mercurial-crew-with-dirclash
view tests/test-diff-hashes.out @ 5369:7530334bf301
revlog: generate trivial deltas against null revision
To avoid extra memory usage and performance issues with large files,
generate a trivial delta header for deltas against the null revision
rather than calling the usual delta generator.
We append the delta header to meta rather than prepending it to data
to avoid a large allocate and copy.
| author | Matt Mackall <mpm@selenic.com> |
|---|---|
| date | Wed, 03 Oct 2007 17:17:27 -0500 |
| parents | 2065789f6a3e |
| children |
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quiet: --- a/foo Mon Jan 12 13:46:40 1970 +0000 +++ b/foo Mon Jan 12 13:46:41 1970 +0000 @@ -1,1 +1,1 @@ bar -bar +foobar normal: diff -r 74de3f1392e2 -r b8b5f023a6ad foo --- a/foo Mon Jan 12 13:46:40 1970 +0000 +++ b/foo Mon Jan 12 13:46:41 1970 +0000 @@ -1,1 +1,1 @@ bar -bar +foobar verbose: diff -r 74de3f1392e2 -r b8b5f023a6ad foo --- a/foo Mon Jan 12 13:46:40 1970 +0000 +++ b/foo Mon Jan 12 13:46:41 1970 +0000 @@ -1,1 +1,1 @@ bar -bar +foobar debug: diff -r 74de3f1392e2d67856fb155963441f2610494e1a -r b8b5f023a6ad77fc378bd95cf3fa00cd1414d107 foo --- a/foo Mon Jan 12 13:46:40 1970 +0000 +++ b/foo Mon Jan 12 13:46:41 1970 +0000 @@ -1,1 +1,1 @@ bar -bar +foobar