#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#

test_description='Various diff formatting options'

. ./test-lib.sh

test_expect_success setup '

	GIT_AUTHOR_DATE="2006-06-26 00:00:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:00:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&

	mkdir dir &&
	for i in 1 2 3; do echo $i; done >file0 &&
	for i in A B; do echo $i; done >dir/sub &&
	cat file0 >file2 &&
	git add file0 file2 dir/sub &&
	git commit -m Initial &&

	git branch initial &&
	git branch side &&

	GIT_AUTHOR_DATE="2006-06-26 00:01:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:01:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&

	for i in 4 5 6; do echo $i; done >>file0 &&
	for i in C D; do echo $i; done >>dir/sub &&
	rm -f file2 &&
	git update-index --remove file0 file2 dir/sub &&
	git commit -m Second &&

	GIT_AUTHOR_DATE="2006-06-26 00:02:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:02:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&

	for i in A B C; do echo $i; done >file1 &&
	git add file1 &&
	for i in E F; do echo $i; done >>dir/sub &&
	git update-index dir/sub &&
	git commit -m Third &&

	GIT_AUTHOR_DATE="2006-06-26 00:03:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:03:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&

	git checkout side &&
	for i in A B C; do echo $i; done >>file0 &&
	for i in 1 2; do echo $i; done >>dir/sub &&
	cat dir/sub >file3 &&
	git add file3 &&
	git update-index file0 dir/sub &&
	git commit -m Side &&

	GIT_AUTHOR_DATE="2006-06-26 00:04:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:04:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&

	git checkout master &&
	git pull -s ours . side &&

	GIT_AUTHOR_DATE="2006-06-26 00:05:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:05:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&

	for i in A B C; do echo $i; done >>file0 &&
	for i in 1 2; do echo $i; done >>dir/sub &&
	git update-index file0 dir/sub &&

	git commit --amend &&
	git show-branch
'

: <<\EOF
! [initial] Initial
 * [master] Merge branch 'side'
  ! [side] Side
---
 -  [master] Merge branch 'side'
 *+ [side] Side
 *  [master^] Second
+*+ [initial] Initial
EOF

V=`git version | sed -e 's/^git version //'`
while read cmd
do
	case "$cmd" in
	'' | '#'*) continue ;;
	esac
	test=`echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g'`
	cnt=`expr $test_count + 1`
	pfx=`printf "%04d" $cnt`
	expect="../t4013/diff.$test"
	actual="$pfx-diff.$test"

	test_expect_success "git $cmd" '
		{
			echo "\$ git $cmd"
			git $cmd | sed -e "s/$V/g-i-t--v-e-r-s-i-o-n/"
			echo "\$"
		} >"$actual" &&
		if test -f "$expect"
		then
			diff -u "$expect" "$actual" &&
			rm -f "$actual"
		else
			# this is to help developing new tests.
			cp "$actual" "$expect"
			false
		fi
	'
done <<\EOF
diff-tree initial
diff-tree -r initial
diff-tree -r --abbrev initial
diff-tree -r --abbrev=4 initial
diff-tree --root initial
diff-tree --root --abbrev initial
diff-tree --root -r initial
diff-tree --root -r --abbrev initial
diff-tree --root -r --abbrev=4 initial
diff-tree -p initial
diff-tree --root -p initial
diff-tree --patch-with-stat initial
diff-tree --root --patch-with-stat initial
diff-tree --patch-with-raw initial
diff-tree --root --patch-with-raw initial

diff-tree --pretty initial
diff-tree --pretty --root initial
diff-tree --pretty -p initial
diff-tree --pretty --stat initial
diff-tree --pretty --summary initial
diff-tree --pretty --stat --summary initial
diff-tree --pretty --root -p initial
diff-tree --pretty --root --stat initial
# improved by Timo's patch
diff-tree --pretty --root --summary initial
# improved by Timo's patch
diff-tree --pretty --root --summary -r initial
diff-tree --pretty --root --stat --summary initial
diff-tree --pretty --patch-with-stat initial
diff-tree --pretty --root --patch-with-stat initial
diff-tree --pretty --patch-with-raw initial
diff-tree --pretty --root --patch-with-raw initial

diff-tree --pretty=oneline initial
diff-tree --pretty=oneline --root initial
diff-tree --pretty=oneline -p initial
diff-tree --pretty=oneline --root -p initial
diff-tree --pretty=oneline --patch-with-stat initial
# improved by Timo's patch
diff-tree --pretty=oneline --root --patch-with-stat initial
diff-tree --pretty=oneline --patch-with-raw initial
diff-tree --pretty=oneline --root --patch-with-raw initial

diff-tree --pretty side
diff-tree --pretty -p side
diff-tree --pretty --patch-with-stat side

diff-tree master
diff-tree -p master
diff-tree -p -m master
diff-tree -c master
diff-tree -c --abbrev master
diff-tree --cc master
# stat only should show the diffstat with the first parent
diff-tree -c --stat master
diff-tree --cc --stat master
diff-tree -c --stat --summary master
diff-tree --cc --stat --summary master
# stat summary should show the diffstat and summary with the first parent
diff-tree -c --stat --summary side
diff-tree --cc --stat --summary side
# improved by Timo's patch
diff-tree --cc --patch-with-stat master
# improved by Timo's patch
diff-tree --cc --patch-with-stat --summary master
# this is correct
diff-tree --cc --patch-with-stat --summary side

log master
log -p master
log --root master
log --root -p master
log --patch-with-stat master
log --root --patch-with-stat master
log --root --patch-with-stat --summary master
# improved by Timo's patch
log --root -c --patch-with-stat --summary master
# improved by Timo's patch
log --root --cc --patch-with-stat --summary master
log -SF master
log -SF -p master

whatchanged master
whatchanged -p master
whatchanged --root master
whatchanged --root -p master
whatchanged --patch-with-stat master
whatchanged --root --patch-with-stat master
whatchanged --root --patch-with-stat --summary master
# improved by Timo's patch
whatchanged --root -c --patch-with-stat --summary master
# improved by Timo's patch
whatchanged --root --cc --patch-with-stat --summary master
whatchanged -SF master
whatchanged -SF -p master

log --patch-with-stat master -- dir/
whatchanged --patch-with-stat master -- dir/
log --patch-with-stat --summary master -- dir/
whatchanged --patch-with-stat --summary master -- dir/

show initial
show --root initial
show side
show master
show --stat side
show --stat --summary side
show --patch-with-stat side
show --patch-with-raw side
show --patch-with-stat --summary side

format-patch --stdout initial..side
format-patch --stdout initial..master^
format-patch --stdout initial..master
format-patch --attach --stdout initial..side
format-patch --attach --stdout initial..master^
format-patch --attach --stdout initial..master

diff --abbrev initial..side
diff -r initial..side
diff --stat initial..side
diff -r --stat initial..side
diff initial..side
diff --patch-with-stat initial..side
diff --patch-with-raw initial..side
diff --patch-with-stat -r initial..side
diff --patch-with-raw -r initial..side
EOF

test_done