annotate tests/test-diffdir @ 536:c15b4bc0a11c

Refactor diffrevs/diffdir into changes

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Refactor diffrevs/diffdir into changes

Add dirstate.changes to replace most of diffdir
Add localrepository.changes to replace diffrevs/diffdir

This code can now efficiently check for changes in single files, and
often without consulting the manifest. This should eventually make 'hg
diff Makefile' in a large project much faster.

This also fixes a bug where 'hg diff -r tip' failed to account for
files that had been added but not committed yet.

manifest hash: 20fde5d4b4cee49a76bcfe50f2dacf58b1f2258b
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#!/bin/sh

hg init
touch a
hg add a
hg ci -t "a" -u test -d "0 0"

echo 123 > b
hg add b
hg diff | sed "s/\(\(---\|+++\).*\)\t.*/\1/"

hg diff -r tip | sed "s/\(\(---\|+++\).*\)\t.*/\1/"