#!/bin/sh
#
# Copyright (c) 2006 Eric Wong
#

test_description='git apply should not get confused with type changes.

'

. ./test-lib.sh

if ! test_have_prereq SYMLINKS
then
        say 'Symbolic links not supported, skipping tests.'
        test_done
fi

test_expect_success 'setup repository and commits' '
        echo "hello world" > foo &&
        echo "hi planet" > bar &&
        git update-index --add foo bar &&
        git commit -m initial &&
        git branch initial &&
        rm -f foo &&
        ln -s bar foo &&
        git update-index foo &&
        git commit -m "foo symlinked to bar" &&
        git branch foo-symlinked-to-bar &&
        rm -f foo &&
        echo "how far is the sun?" > foo &&
        git update-index foo &&
        git commit -m "foo back to file" &&
        git branch foo-back-to-file &&
        printf "\0" > foo &&
        git update-index foo &&
        git commit -m "foo becomes binary" &&
        git branch foo-becomes-binary &&
        rm -f foo &&
        git update-index --remove foo &&
        mkdir foo &&
        echo "if only I knew" > foo/baz &&
        git update-index --add foo/baz &&
        git commit -m "foo becomes a directory" &&
        git branch "foo-becomes-a-directory" &&
        echo "hello world" > foo/baz &&
        git update-index foo/baz &&
        git commit -m "foo/baz is the original foo" &&
        git branch foo-baz-renamed-from-foo
        '

test_expect_success 'file renamed from foo to foo/baz' '
        git checkout -f initial &&
        git diff-tree -M -p HEAD foo-baz-renamed-from-foo > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_expect_success 'file renamed from foo/baz to foo' '
        git checkout -f foo-baz-renamed-from-foo &&
        git diff-tree -M -p HEAD initial > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_expect_success 'directory becomes file' '
        git checkout -f foo-becomes-a-directory &&
        git diff-tree -p HEAD initial > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_expect_success 'file becomes directory' '
        git checkout -f initial &&
        git diff-tree -p HEAD foo-becomes-a-directory > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_expect_success 'file becomes symlink' '
        git checkout -f initial &&
        git diff-tree -p HEAD foo-symlinked-to-bar > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_expect_success 'symlink becomes file' '
        git checkout -f foo-symlinked-to-bar &&
        git diff-tree -p HEAD foo-back-to-file > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'

test_expect_success 'binary file becomes symlink' '
        git checkout -f foo-becomes-binary &&
        git diff-tree -p --binary HEAD foo-symlinked-to-bar > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'

test_expect_success 'symlink becomes binary file' '
        git checkout -f foo-symlinked-to-bar &&
        git diff-tree -p --binary HEAD foo-becomes-binary > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_expect_success 'symlink becomes directory' '
        git checkout -f foo-symlinked-to-bar &&
        git diff-tree -p HEAD foo-becomes-a-directory > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_expect_success 'directory becomes symlink' '
        git checkout -f foo-becomes-a-directory &&
        git diff-tree -p HEAD foo-symlinked-to-bar > patch &&
        git apply --index < patch
        '
test_debug 'cat patch'


test_done