Using md5sum for svn status

hi,

According to Ben (sussman) the current change detection does the
following steps:

1. load entries file into memory
2. stats the file
3. if the timestamps matches -> returns NOT_CHANGED
4. if the timestamps differ it stats the text base.
5. if the size of text base and file differ -> returns CHANGED
6. if the sizes match it does a byte-by-byte comparison.

I think step 6 can be optimized a bit.
The entries file has the md5sum of the text-base stored.
Why dont we just read the working file and md5sum the content.
This way we only need to read 1 file into memory (the working file) and
the md5sum algorithm might be faster than the diff algorithm.

any comments?

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