#!/bin/sh

. $TESTDIR/helpers.sh

echo "[extensions]" >> $HGRCPATH

echo "graphlog=" >> $HGRCPATH

echo "rebase=" >> $HGRCPATH

BASE=`pwd`

addcommit () {

    echo $1 > $1

    hg add $1

    hg commit -d "${2} 0" -m $1

}

commit () {

    hg commit -d "${2} 0" -m $1

}

createrepo () {

    cd $BASE

    rm -rf a

    hg init a

    cd a

    addcommit "A" 0

    addcommit "B" 1

    hg update -C 0

    addcommit "C" 2

    hg update -C 0

    addcommit "D" 3

    hg merge -r 2

    commit "E" 4

    hg update -C 3

    addcommit "F" 5

}

createrepo > /dev/null 2>&1

hg glog  --template '{rev}: {desc}\n'

echo '% Rebasing'

echo '% B onto F - simple rebase'

hg rebase -s 1 -d 5 | hidebackup

hg glog  --template '{rev}: {desc}\n'

createrepo > /dev/null 2>&1

echo '% B onto D - intermediate point'

hg rebase -s 1 -d 3 | hidebackup

hg glog  --template '{rev}: {desc}\n'

createrepo > /dev/null 2>&1

echo '% C onto F - skip of E'

hg rebase -s 2 -d 5 | hidebackup

hg glog  --template '{rev}: {desc}\n'

createrepo > /dev/null 2>&1

echo '% D onto C - rebase of a branching point (skip E)'

hg rebase -s 3 -d 2 | hidebackup

hg glog  --template '{rev}: {desc}\n'

createrepo > /dev/null 2>&1

echo '% E onto F - merged revision having a parent in ancestors of target'

hg rebase -s 4 -d 5 | hidebackup

hg glog  --template '{rev}: {desc}\n'

createrepo > /dev/null 2>&1

echo '% D onto B - E maintains C as parent'

hg rebase -s 3 -d 1 | hidebackup

hg glog  --template '{rev}: {desc}\n'

echo '% These will fail (using --source)'

createrepo > /dev/null 2>&1

echo '% E onto D - rebase onto an ancestor'

hg rebase -s 4 -d 3

echo '% D onto E - rebase onto a descendant'

hg rebase -s 3 -d 4

echo '% E onto B - merge revision with both parents not in ancestors of target'

hg rebase -s 4 -d 1

echo

echo '% These will abort gracefully (using --base)'

echo '% E onto E - rebase onto same changeset'

hg rebase -b 4 -d 4

echo '% E onto D - rebase onto an ancestor'

hg rebase -b 4 -d 3

echo '% D onto E - rebase onto a descendant'

hg rebase -b 3 -d 4

exit 0