setup: use sys.executable to call hg
Executing ".\hg" does not work on Windows, but we can instead ask
Python to execute hg.
#!/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 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:\(.* \).*\(\/test-extdiff\):\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