#!/bin/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
    addcommit "C" 2
    addcommit "D" 3

    hg update -C 0
    addcommit "E" 4
}

createrepo > /dev/null 2>&1
hg glog  --template '{rev}: {desc}\n'
echo '% Rebasing D onto E detaching from C'
hg rebase --detach -s 3 -d 4 2>&1 | sed 's/\(saving bundle to \).*/\1/'
hg glog  --template '{rev}: {desc}\n'
echo "Expected A, D, E"
hg manifest

echo
createrepo > /dev/null 2>&1
hg glog  --template '{rev}: {desc}\n'
echo '% Rebasing C onto E detaching from B'
hg rebase --detach -s 2 -d 4 2>&1 | sed 's/\(saving bundle to \).*/\1/'
hg glog  --template '{rev}: {desc}\n'
echo "Expected A, C, D, E"
hg manifest

echo
createrepo > /dev/null 2>&1
hg glog  --template '{rev}: {desc}\n'
echo '% Rebasing B onto E using detach (same as not using it)'
hg rebase --detach -s 1 -d 4 2>&1 | sed 's/\(saving bundle to \).*/\1/'
hg glog  --template '{rev}: {desc}\n'
echo "Expected A, B, C, D, E"
hg manifest

echo
createrepo > /dev/null 2>&1
hg glog  --template '{rev}: {desc}\n'
echo '% Rebasing C onto E detaching from B and collapsing'
hg rebase --detach --collapse -s 2 -d 4 2>&1 | sed 's/\(saving bundle to \).*/\1/'
hg glog  --template '{rev}: {desc}\n'
echo "Expected A, C, D, E"
hg manifest

exit 0