#!/bin/sh

echo "[extensions]" >> $HGRCPATH

echo "mq=">> $HGRCPATH

teststrip() {

    hg -q up -C $1

    echo % before update $1, strip $2

    hg parents

    chmod -$3 $4

    hg strip $2 2>&1 | sed 's/\(saving bundle to \).*/\1/' | sed 's/Permission denied.*\.hg\/store\/\(.*\)/Permission denied \.hg\/store\/\1/'

    echo % after update $1, strip $2

    chmod +$3 $4

    hg verify

    echo % journal contents

    cat .hg/store/journal | sed 's/\.i[^\n]*/\.i/'

    ls .hg/store/journal >/dev/null 2>&1 && hg recover

    ls .hg/strip-backup/* >/dev/null 2>&1 && hg unbundle -q .hg/strip-backup/*

    rm -rf .hg/strip-backup

}

hg init test

cd test

echo a > a

hg -q ci -m "a" -A

echo b > b

hg -q ci -m "b" -A

echo b2 >> b

hg -q ci -m "b2" -A

echo c > c

hg -q ci -m "c" -A

teststrip 0 2 w .hg/store/data/b.i

teststrip 0 2 r .hg/store/data/b.i

teststrip 0 2 w .hg/store/00manifest.i