view tests/test-issue672 @ 9827:4fe9ca519637

mdiff: fix diff -b/B/w on mixed whitespace hunks (issue127)

Previous code was computing hunks then checking if these hunks could be ignored
when taking whitespace/blank-lines options in accounts. This approach is simple
but fails with hunks containing both whitespace and non-whitespace changes, the
whole hunk is emitted while it can be mostly made of whitespace. The new
version normalize the whitespaces before hunk generation, and test for
blank-lines afterwards.

#!/bin/sh

# 0-2-4
#  \ \ \
#   1-3-5
#
# rename in #1, content change in #4.

hg init t
cd t

touch 1
touch 2
hg commit -Am init  # 0

hg rename 1 1a
hg commit -m rename # 1

hg co -C 0
echo unrelated >> 2
hg ci -m unrelated1 # 2

hg merge --debug 1
hg ci -m merge1 # 3

hg co -C 2
echo hello >> 1
hg ci -m unrelated2 # 4

hg co -C 3
hg merge -y --debug 4

hg co -C 4
hg merge -y --debug 3