tests/test-imerge

graphlog: split the actual DAG grapher out into a separate method

This allows extensions like pbranch to use asciigraph() to graph dependencies
for patch branches, but could be used for basically any DAG.

#!/bin/sh

echo "[extensions]" >> $HGRCPATH
echo "imerge=" >> $HGRCPATH
HGMERGE=true
export HGMERGE

hg init base
cd base

echo foo > foo
echo bar > bar
hg ci -Am0 -d '0 0'

hg mv foo foo2
echo foo >> foo2
hg ci -m1 -d '1 0'

hg up -C 0
echo bar >> foo
echo bar >> bar
hg ci -m2 -d '2 0'

echo % start imerge
hg imerge

cat foo2
cat bar

echo % status -v
hg -v imerge st

echo % next
hg imerge next

echo % resolve and unresolve
hg imerge resolve foo
hg -v imerge st
hg imerge unresolve foo
hg -v imerge st

echo % merge next
hg --traceback imerge

echo % unresolve
hg imerge unres foo

echo % merge foo
hg imerge merge foo

echo % save
echo foo > foo2
hg imerge save ../savedmerge

echo % merge auto
hg up -C 1
hg --traceback imerge --auto
cat foo2

echo % load
hg up -C 0
hg imerge --traceback load ../savedmerge
cat foo2

hg ci -m'merged' -d '3 0'
hg tip -v

echo % nothing to merge -- tip
hg imerge

hg up 0
echo % nothing to merge
hg imerge

cd ..
hg -q clone -r 0 base clone
cd clone
echo % load unknown parent
hg imerge load ../savedmerge

exit 0