#!/bin/sh

echo "[extensions]" >> $HGRCPATH

echo "extdiff=" >> $HGRCPATH

hg init a

cd a

echo a > a

echo b > b

hg add

# should diff cloned directories

hg extdiff -o -r $opt

echo "[extdiff]" >> $HGRCPATH

echo "cmd.falabala=echo" >> $HGRCPATH

echo "opts.falabala=diffing" >> $HGRCPATH

hg falabala

hg help falabala

hg ci -d '0 0' -mtest1

echo b >> a

hg ci -d '1 0' -mtest2

# should diff cloned files directly

hg falabala -r 0:1

# test diff during merge

hg update -C 0

echo c >> c

hg add c

hg ci -m "new branch" -d '1 0'

hg merge 1

# should diff cloned file against wc file

hg falabala > out

# cleanup the output since the wc is a tmp directory

sed  's:\(diffing [^ ]* \).*\(\/test-extdiff\):\1[tmp]\2:' out

# test --change option

hg ci -d '2 0' -mtest3

hg falabala -c 1

# check diff are made from the first parent

hg falabala -c 3 || echo "diff-like tools yield a non-zero exit code"

#hg log

echo

echo '% test extdiff of multiple files in tmp dir:'

hg update -C 0 > /dev/null

echo changed > a

echo changed > b

chmod +x b

echo '% diff in working directory, before'

hg diff --git

echo '% edit with extdiff -p'

# prepare custom diff/edit tool

cat > 'diff tool.py' << EOT

#!/usr/bin/env python

import time

time.sleep(1) # avoid unchanged-timestamp problems

file('a/a', 'ab').write('edited\n')

file('a/b', 'ab').write('edited\n')

EOT

chmod +x 'diff tool.py'

hg extdiff -p "`pwd`/diff tool.py" # will change to /tmp/extdiff.TMP and populate directories a.TMP and a and start tool

echo '% diff in working directory, after'

hg diff --git

echo

echo % test extdiff with --option

hg extdiff -p echo -o this -c 1

hg falabala -o this -c 1

echo