view tests/test-merge-internal-tools-pattern @ 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

# make sure that the internal merge tools (internal:fail, internal:local, and
# internal:other) are used when matched by a merge-pattern in hgrc

unset HGMERGE # make sure HGMERGE doesn't interfere with the test

hg init

echo "# initial file contents"
echo "line 1" > f
echo "line 2" >> f
echo "line 3" >> f
hg commit -Am "revision 0" -d "1000000 0"
cat f
echo "# branch 1: editing line 1"
sed 's/line 1/first line/' f > f.new
mv f.new f
hg commit -Am "edited first line" -d "1000000 0"

echo "# branch 2: editing line 3"
hg update 0
sed 's/line 3/third line/' f > f.new
mv f.new f
hg commit -Am "edited third line" -d "1000000 0"

echo "# merge using internal:fail tool"
echo "[merge-patterns]" > .hg/hgrc
echo "* = internal:fail" >> .hg/hgrc
hg merge
cat f
hg stat

echo "# merge using internal:local tool"
hg update -C 2
sed 's/internal:fail/internal:local/' .hg/hgrc > .hg/hgrc.new
mv .hg/hgrc.new .hg/hgrc
hg merge
cat f
hg stat

echo "# merge using internal:other tool"
hg update -C 2
sed 's/internal:local/internal:other/' .hg/hgrc > .hg/hgrc.new
mv .hg/hgrc.new .hg/hgrc
hg merge
cat f
hg stat

echo "# merge using default tool"
hg update -C 2
rm .hg/hgrc
hg merge
cat f
hg stat