view tests/test-diff-hashes @ 8589:3edf133dcb5a

dirstate: skip step 3 in walk if nothing new will match

nothing will ever match on match.never
nothing new will match on match.exact (all found in step 1)
nothing new will match on match.match when
  there is no pattern and
  there is no direcory in pats

#!/bin/sh

hg init a
cd a
hg diff not found
echo bar > foo
hg add foo
hg ci -m 'add foo' -d '1000000 0'

echo foobar > foo
hg ci -m 'change foo' -d '1000001 0'

echo 'quiet:'
hg --quiet diff -r 0 -r 1
echo

echo 'normal:'
hg diff -r 0 -r 1
echo

echo 'verbose:'
hg --verbose diff -r 0 -r 1
echo

echo 'debug:'
hg --debug diff -r 0 -r 1
echo