#!/bin/sh

add()

{

    echo $2 >> $1

}

hg init t

cd t

# set up a boring main branch

add a a

hg add a

mkdir x

add x/x x

hg add x/x

hg ci -m0

add a m1

hg ci -m1

add a m2

add x/y y1

hg add x/y

hg ci -m2

show()

{

    echo "- $2: $1"

    hg st -C $1

    echo

    hg diff --git $1

    echo

}

count=0

# make a new branch and get diff/status output

# $1 - first commit

# $2 - second commit

# $3 - working dir action

# $4 - test description

tb()

{

    hg co -q -C 0

    add a $count

    count=`expr $count + 1`

    hg ci -m "t0"

    $1

    hg ci -m "t1"

    $2

    hg ci -m "t2"

    $3

    echo "** $4 **"

    echo "** $1 / $2 / $3"

    show "" "working to parent"

    show "--rev 0" "working to root"

    show "--rev 2" "working to branch"

    show "--rev 0 --rev ." "root to parent"

    show "--rev . --rev 0" "parent to root"

    show "--rev 2 --rev ." "branch to parent"

    show "--rev . --rev 2" "parent to branch"

    echo

}

tb "add a a1" "add a a2" "hg mv a b" "rename in working dir"

tb "add a a1" "add a a2" "hg cp a b" "copy in working dir" 

tb "hg mv a b" "add b b1" "add b w" "single rename"

tb "hg cp a b" "add b b1" "add a w" "single copy"

tb "hg mv a b" "hg mv b c" "hg mv c d" "rename chain"

tb "hg cp a b" "hg cp b c" "hg cp c d" "copy chain"

tb "add a a1" "hg mv a b" "hg mv b a" "circular rename"

tb "hg mv x y" "add y/x x1" "add y/x x2" "directory move"