[thirdparty/git.git] / t / t4013-diff-various.sh

#!/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 &&
	mkdir dir2 &&
	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 $i; done >>dir/sub &&
	rm -f file2 &&
	git update-index --remove file0 file2 dir/sub &&
	git commit -m "Second${LF}${LF}This is the second commit." &&

	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 &&

	mkdir dir3 &&
	cp dir/sub dir3/sub &&
	test-tool chmtime +1 dir3/sub &&

	git config log.showroot false &&
	git commit --amend &&

	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	git checkout -b rearrange initial &&
	for i in B A; do echo $i; done >dir/sub &&
	git add dir/sub &&
	git commit -m "Rearranged lines in dir/sub" &&
	git checkout master &&

	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	git checkout -b mode initial &&
	git update-index --chmod=+x file0 &&
	git commit -m "update mode" &&
	git checkout -f master &&

	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	git checkout -b note initial &&
	git update-index --chmod=+x file2 &&
	git commit -m "update mode (file2)" &&
	git notes add -m "note" &&
	git checkout -f master &&

	# Same merge as master, but with parents reversed. Hide it in a
	# pseudo-ref to avoid impacting tests with --all.
	commit=$(echo reverse |
		 git commit-tree -p master^2 -p master^1 master^{tree}) &&
	git update-ref REVERSE $commit &&

	git config diff.renames false &&

	git show-branch
'

: <<\EOF
! [initial] Initial
 * [master] Merge branch 'side' into master
  ! [rearrange] Rearranged lines in dir/sub
   ! [side] Side
----
  +  [rearrange] Rearranged lines in dir/sub
 -   [master] Merge branch 'side' into master
 * + [side] Side
 *   [master^] Third
 *   [master~2] Second
+*++ [initial] Initial
EOF

process_diffs () {
	_x04="[0-9a-f][0-9a-f][0-9a-f][0-9a-f]" &&
	_x07="$_x05[0-9a-f][0-9a-f]" &&
	sed -e "s/$OID_REGEX/$ZERO_OID/g" \
	    -e "s/From $_x40 /From $ZERO_OID /" \
	    -e "s/from $_x40)/from $ZERO_OID)/" \
	    -e "s/commit $_x40\$/commit $ZERO_OID/" \
	    -e "s/commit $_x40 (/commit $ZERO_OID (/" \
	    -e "s/$_x40 $_x40 $_x40/$ZERO_OID $ZERO_OID $ZERO_OID/" \
	    -e "s/$_x40 $_x40 /$ZERO_OID $ZERO_OID /" \
	    -e "s/^$_x40 $_x40$/$ZERO_OID $ZERO_OID/" \
	    -e "s/^$_x40 /$ZERO_OID /" \
	    -e "s/^$_x40$/$ZERO_OID/" \
	    -e "s/$_x07\.\.$_x07/fffffff..fffffff/g" \
	    -e "s/$_x07,$_x07\.\.$_x07/fffffff,fffffff..fffffff/g" \
	    -e "s/$_x07 $_x07 $_x07/fffffff fffffff fffffff/g" \
	    -e "s/$_x07 $_x07 /fffffff fffffff /g" \
	    -e "s/Merge: $_x07 $_x07/Merge: fffffff fffffff/g" \
	    -e "s/$_x07\.\.\./fffffff.../g" \
	    -e "s/ $_x04\.\.\./ ffff.../g" \
	    -e "s/ $_x04/ ffff/g" \
	    "$1"
}

V=$(git version | sed -e 's/^git version //' -e 's/\./\\./g')
while read magic cmd
do
	case "$magic" in
	'' | '#'*)
		continue ;;
	:*)
		magic=${magic#:}
		label="$magic-$cmd"
		case "$magic" in
		noellipses) ;;
		*)
			BUG "unknown magic $magic" ;;
		esac ;;
	*)
		cmd="$magic $cmd" magic=
		label="$cmd" ;;
	esac
	test=$(echo "$label" | sed -e 's|[/ ][/ ]*|_|g')
	pfx=$(printf "%04d" $test_count)
	expect="$TEST_DIRECTORY/t4013/diff.$test"
	actual="$pfx-diff.$test"

	test_expect_success "git $cmd # magic is ${magic:-(not used)}" '
		{
			echo "$ git $cmd"
			case "$magic" in
			"")
				GIT_PRINT_SHA1_ELLIPSIS=yes git $cmd ;;
			noellipses)
				git $cmd ;;
			esac |
			sed -e "s/^\\(-*\\)$V\\(-*\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
			    -e "s/^\\(.*mixed; boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
			echo "\$"
		} >"$actual" &&
		if test -f "$expect"
		then
			process_diffs "$actual" >actual &&
			process_diffs "$expect" >expect &&
			case $cmd in
			*format-patch* | *-stat*)
				test_i18ncmp expect actual;;
			*)
				test_cmp expect actual;;
			esac &&
			rm -f "$actual" actual expect
		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
:noellipses diff-tree --root --abbrev initial
diff-tree --root -r initial
diff-tree --root -r --abbrev initial
:noellipses diff-tree --root -r --abbrev initial
diff-tree --root -r --abbrev=4 initial
:noellipses 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 initial mode
diff-tree --stat initial mode
diff-tree --summary initial mode

diff-tree master
diff-tree -p master
diff-tree -p -m master
diff-tree -c master
diff-tree -c --abbrev master
:noellipses 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
diff-tree --cc --shortstat master
diff-tree --cc --summary REVERSE
# 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 -p --first-parent master
log -m -p --first-parent master
log -m -p master
log -SF master
log -S F master
log -SF -p master
log -SF master --max-count=0
log -SF master --max-count=1
log -SF master --max-count=2
log -GF master
log -GF -p master
log -GF -p --pickaxe-all master
log --decorate --all
log --decorate=full --all

rev-list --parents HEAD
rev-list --children HEAD

whatchanged master
:noellipses whatchanged master
whatchanged -p master
whatchanged --root master
:noellipses 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
:noellipses 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 -c master
show -m master
show --first-parent master
show --stat side
show --stat --summary side
show --patch-with-stat side
show --patch-with-raw side
:noellipses 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 --stdout --no-numbered initial..master
format-patch --stdout --numbered initial..master
format-patch --attach --stdout initial..side
format-patch --attach --stdout --suffix=.diff initial..side
format-patch --attach --stdout initial..master^
format-patch --attach --stdout initial..master
format-patch --inline --stdout initial..side
format-patch --inline --stdout initial..master^
format-patch --inline --stdout --numbered-files initial..master
format-patch --inline --stdout initial..master
format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
config format.subjectprefix DIFFERENT_PREFIX
format-patch --inline --stdout initial..master^^
format-patch --stdout --cover-letter -n initial..master^

diff --abbrev initial..side
diff -U initial..side
diff -U1 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
:noellipses diff --patch-with-raw initial..side
diff --patch-with-stat -r initial..side
diff --patch-with-raw -r initial..side
:noellipses diff --patch-with-raw -r initial..side
diff --name-status dir2 dir
diff --no-index --name-status dir2 dir
diff --no-index --name-status -- dir2 dir
diff --no-index dir dir3
diff master master^ side
# Can't use spaces...
diff --line-prefix=abc master master^ side
diff --dirstat master~1 master~2
diff --dirstat initial rearrange
diff --dirstat-by-file initial rearrange
diff --dirstat --cc master~1 master
# No-index --abbrev and --no-abbrev
diff --raw initial
:noellipses diff --raw initial
diff --raw --abbrev=4 initial
:noellipses diff --raw --abbrev=4 initial
diff --raw --no-abbrev initial
diff --no-index --raw dir2 dir
:noellipses diff --no-index --raw dir2 dir
diff --no-index --raw --abbrev=4 dir2 dir
:noellipses diff --no-index --raw --abbrev=4 dir2 dir
diff --no-index --raw --no-abbrev dir2 dir

diff-tree --pretty --root --stat --compact-summary initial
diff-tree --pretty -R --root --stat --compact-summary initial
diff-tree --pretty note
diff-tree --pretty --notes note
diff-tree --format=%N note
diff-tree --stat --compact-summary initial mode
diff-tree -R --stat --compact-summary initial mode
EOF

test_expect_success 'log -S requires an argument' '
	test_must_fail git log -S
'

test_expect_success 'diff --cached on unborn branch' '
	echo ref: refs/heads/unborn >.git/HEAD &&
	git diff --cached >result &&
	process_diffs result >actual &&
	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached" >expected &&
	test_cmp expected actual
'

test_expect_success 'diff --cached -- file on unborn branch' '
	git diff --cached -- file0 >result &&
	process_diffs result >actual &&
	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached_--_file0" >expected &&
	test_cmp expected actual
'
test_expect_success 'diff --line-prefix with spaces' '
	git diff --line-prefix="| | | " --cached -- file0 >result &&
	process_diffs result >actual &&
	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--line-prefix_--cached_--_file0" >expected &&
	test_cmp expected actual
'

test_expect_success 'diff-tree --stdin with log formatting' '
	cat >expect <<-\EOF &&
	Side
	Third
	Second
	EOF
	git rev-list master | git diff-tree --stdin --format=%s -s >actual &&
	test_cmp expect actual
'

test_done
Commit	Line	Data
	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2006 Junio C Hamano
	4	#
	5
	6	test_description='Various diff formatting options'
	7
	8	. ./test-lib.sh
	9
	10	test_expect_success setup '
	11
	12	GIT_AUTHOR_DATE="2006-06-26 00:00:00 +0000" &&
	13	GIT_COMMITTER_DATE="2006-06-26 00:00:00 +0000" &&
	14	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	15
	16	mkdir dir &&
	17	mkdir dir2 &&
	18	for i in 1 2 3; do echo $i; done >file0 &&
	19	for i in A B; do echo $i; done >dir/sub &&
	20	cat file0 >file2 &&
	21	git add file0 file2 dir/sub &&
	22	git commit -m Initial &&
	23
	24	git branch initial &&
	25	git branch side &&
	26
	27	GIT_AUTHOR_DATE="2006-06-26 00:01:00 +0000" &&
	28	GIT_COMMITTER_DATE="2006-06-26 00:01:00 +0000" &&
	29	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	30
	31	for i in 4 5 6; do echo $i; done >>file0 &&
	32	for i in C D; do echo $i; done >>dir/sub &&
	33	rm -f file2 &&
	34	git update-index --remove file0 file2 dir/sub &&
	35	git commit -m "Second${LF}${LF}This is the second commit." &&
	36
	37	GIT_AUTHOR_DATE="2006-06-26 00:02:00 +0000" &&
	38	GIT_COMMITTER_DATE="2006-06-26 00:02:00 +0000" &&
	39	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	40
	41	for i in A B C; do echo $i; done >file1 &&
	42	git add file1 &&
	43	for i in E F; do echo $i; done >>dir/sub &&
	44	git update-index dir/sub &&
	45	git commit -m Third &&
	46
	47	GIT_AUTHOR_DATE="2006-06-26 00:03:00 +0000" &&
	48	GIT_COMMITTER_DATE="2006-06-26 00:03:00 +0000" &&
	49	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	50
	51	git checkout side &&
	52	for i in A B C; do echo $i; done >>file0 &&
	53	for i in 1 2; do echo $i; done >>dir/sub &&
	54	cat dir/sub >file3 &&
	55	git add file3 &&
	56	git update-index file0 dir/sub &&
	57	git commit -m Side &&
	58
	59	GIT_AUTHOR_DATE="2006-06-26 00:04:00 +0000" &&
	60	GIT_COMMITTER_DATE="2006-06-26 00:04:00 +0000" &&
	61	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	62
	63	git checkout master &&
	64	git pull -s ours . side &&
	65
	66	GIT_AUTHOR_DATE="2006-06-26 00:05:00 +0000" &&
	67	GIT_COMMITTER_DATE="2006-06-26 00:05:00 +0000" &&
	68	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	69
	70	for i in A B C; do echo $i; done >>file0 &&
	71	for i in 1 2; do echo $i; done >>dir/sub &&
	72	git update-index file0 dir/sub &&
	73
	74	mkdir dir3 &&
	75	cp dir/sub dir3/sub &&
	76	test-tool chmtime +1 dir3/sub &&
	77
	78	git config log.showroot false &&
	79	git commit --amend &&
	80
	81	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
	82	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
	83	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	84	git checkout -b rearrange initial &&
	85	for i in B A; do echo $i; done >dir/sub &&
	86	git add dir/sub &&
	87	git commit -m "Rearranged lines in dir/sub" &&
	88	git checkout master &&
	89
	90	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
	91	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
	92	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	93	git checkout -b mode initial &&
	94	git update-index --chmod=+x file0 &&
	95	git commit -m "update mode" &&
	96	git checkout -f master &&
	97
	98	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
	99	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
	100	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
	101	git checkout -b note initial &&
	102	git update-index --chmod=+x file2 &&
	103	git commit -m "update mode (file2)" &&
	104	git notes add -m "note" &&
	105	git checkout -f master &&
	106
	107	# Same merge as master, but with parents reversed. Hide it in a
	108	# pseudo-ref to avoid impacting tests with --all.
	109	commit=$(echo reverse \|
	110	git commit-tree -p master^2 -p master^1 master^{tree}) &&
	111	git update-ref REVERSE $commit &&
	112
	113	git config diff.renames false &&
	114
	115	git show-branch
	116	'
	117
	118	: <<\EOF
	119	! [initial] Initial
	120	* [master] Merge branch 'side' into master
	121	! [rearrange] Rearranged lines in dir/sub
	122	! [side] Side
	123	----
	124	+ [rearrange] Rearranged lines in dir/sub
	125	- [master] Merge branch 'side' into master
	126	* + [side] Side
	127	* [master^] Third
	128	* [master~2] Second
	129	+*++ [initial] Initial
	130	EOF
	131
	132	process_diffs () {
	133	_x04="[0-9a-f][0-9a-f][0-9a-f][0-9a-f]" &&
	134	_x07="$_x05[0-9a-f][0-9a-f]" &&
	135	sed -e "s/$OID_REGEX/$ZERO_OID/g" \
	136	-e "s/From $_x40 /From $ZERO_OID /" \
	137	-e "s/from $_x40)/from $ZERO_OID)/" \
	138	-e "s/commit $_x40\$/commit $ZERO_OID/" \
	139	-e "s/commit $_x40 (/commit $ZERO_OID (/" \
	140	-e "s/$_x40 $_x40 $_x40/$ZERO_OID $ZERO_OID $ZERO_OID/" \
	141	-e "s/$_x40 $_x40 /$ZERO_OID $ZERO_OID /" \
	142	-e "s/^$_x40 $_x40$/$ZERO_OID $ZERO_OID/" \
	143	-e "s/^$_x40 /$ZERO_OID /" \
	144	-e "s/^$_x40$/$ZERO_OID/" \
	145	-e "s/$_x07\.\.$_x07/fffffff..fffffff/g" \
	146	-e "s/$_x07,$_x07\.\.$_x07/fffffff,fffffff..fffffff/g" \
	147	-e "s/$_x07 $_x07 $_x07/fffffff fffffff fffffff/g" \
	148	-e "s/$_x07 $_x07 /fffffff fffffff /g" \
	149	-e "s/Merge: $_x07 $_x07/Merge: fffffff fffffff/g" \
	150	-e "s/$_x07\.\.\./fffffff.../g" \
	151	-e "s/ $_x04\.\.\./ ffff.../g" \
	152	-e "s/ $_x04/ ffff/g" \
	153	"$1"
	154	}
	155
	156	V=$(git version \| sed -e 's/^git version //' -e 's/\./\\./g')
	157	while read magic cmd
	158	do
	159	case "$magic" in
	160	'' \| '#'*)
	161	continue ;;
	162	:*)
	163	magic=${magic#:}
	164	label="$magic-$cmd"
	165	case "$magic" in
	166	noellipses) ;;
	167	*)
	168	BUG "unknown magic $magic" ;;
	169	esac ;;
	170	*)
	171	cmd="$magic $cmd" magic=
	172	label="$cmd" ;;
	173	esac
	174	test=$(echo "$label" \| sed -e 's\|[/ ][/ ]*\|_\|g')
	175	pfx=$(printf "%04d" $test_count)
	176	expect="$TEST_DIRECTORY/t4013/diff.$test"
	177	actual="$pfx-diff.$test"
	178
	179	test_expect_success "git $cmd # magic is ${magic:-(not used)}" '
	180	{
	181	echo "$ git $cmd"
	182	case "$magic" in
	183	"")
	184	GIT_PRINT_SHA1_ELLIPSIS=yes git $cmd ;;
	185	noellipses)
	186	git $cmd ;;
	187	esac \|
	188	sed -e "s/^\\(-\\)$V\\(-\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
	189	-e "s/^\\(.mixed; boundary=\"-\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
	190	echo "\$"
	191	} >"$actual" &&
	192	if test -f "$expect"
	193	then
	194	process_diffs "$actual" >actual &&
	195	process_diffs "$expect" >expect &&
	196	case $cmd in
	197	format-patch \| -stat)
	198	test_i18ncmp expect actual;;
	199	*)
	200	test_cmp expect actual;;
	201	esac &&
	202	rm -f "$actual" actual expect
	203	else
	204	# this is to help developing new tests.
	205	cp "$actual" "$expect"
	206	false
	207	fi
	208	'
	209	done <<\EOF
	210	diff-tree initial
	211	diff-tree -r initial
	212	diff-tree -r --abbrev initial
	213	diff-tree -r --abbrev=4 initial
	214	diff-tree --root initial
	215	diff-tree --root --abbrev initial
	216	:noellipses diff-tree --root --abbrev initial
	217	diff-tree --root -r initial
	218	diff-tree --root -r --abbrev initial
	219	:noellipses diff-tree --root -r --abbrev initial
	220	diff-tree --root -r --abbrev=4 initial
	221	:noellipses diff-tree --root -r --abbrev=4 initial
	222	diff-tree -p initial
	223	diff-tree --root -p initial
	224	diff-tree --patch-with-stat initial
	225	diff-tree --root --patch-with-stat initial
	226	diff-tree --patch-with-raw initial
	227	diff-tree --root --patch-with-raw initial
	228
	229	diff-tree --pretty initial
	230	diff-tree --pretty --root initial
	231	diff-tree --pretty -p initial
	232	diff-tree --pretty --stat initial
	233	diff-tree --pretty --summary initial
	234	diff-tree --pretty --stat --summary initial
	235	diff-tree --pretty --root -p initial
	236	diff-tree --pretty --root --stat initial
	237	# improved by Timo's patch
	238	diff-tree --pretty --root --summary initial
	239	# improved by Timo's patch
	240	diff-tree --pretty --root --summary -r initial
	241	diff-tree --pretty --root --stat --summary initial
	242	diff-tree --pretty --patch-with-stat initial
	243	diff-tree --pretty --root --patch-with-stat initial
	244	diff-tree --pretty --patch-with-raw initial
	245	diff-tree --pretty --root --patch-with-raw initial
	246
	247	diff-tree --pretty=oneline initial
	248	diff-tree --pretty=oneline --root initial
	249	diff-tree --pretty=oneline -p initial
	250	diff-tree --pretty=oneline --root -p initial
	251	diff-tree --pretty=oneline --patch-with-stat initial
	252	# improved by Timo's patch
	253	diff-tree --pretty=oneline --root --patch-with-stat initial
	254	diff-tree --pretty=oneline --patch-with-raw initial
	255	diff-tree --pretty=oneline --root --patch-with-raw initial
	256
	257	diff-tree --pretty side
	258	diff-tree --pretty -p side
	259	diff-tree --pretty --patch-with-stat side
	260
	261	diff-tree initial mode
	262	diff-tree --stat initial mode
	263	diff-tree --summary initial mode
	264
	265	diff-tree master
	266	diff-tree -p master
	267	diff-tree -p -m master
	268	diff-tree -c master
	269	diff-tree -c --abbrev master
	270	:noellipses diff-tree -c --abbrev master
	271	diff-tree --cc master
	272	# stat only should show the diffstat with the first parent
	273	diff-tree -c --stat master
	274	diff-tree --cc --stat master
	275	diff-tree -c --stat --summary master
	276	diff-tree --cc --stat --summary master
	277	# stat summary should show the diffstat and summary with the first parent
	278	diff-tree -c --stat --summary side
	279	diff-tree --cc --stat --summary side
	280	diff-tree --cc --shortstat master
	281	diff-tree --cc --summary REVERSE
	282	# improved by Timo's patch
	283	diff-tree --cc --patch-with-stat master
	284	# improved by Timo's patch
	285	diff-tree --cc --patch-with-stat --summary master
	286	# this is correct
	287	diff-tree --cc --patch-with-stat --summary side
	288
	289	log master
	290	log -p master
	291	log --root master
	292	log --root -p master
	293	log --patch-with-stat master
	294	log --root --patch-with-stat master
	295	log --root --patch-with-stat --summary master
	296	# improved by Timo's patch
	297	log --root -c --patch-with-stat --summary master
	298	# improved by Timo's patch
	299	log --root --cc --patch-with-stat --summary master
	300	log -p --first-parent master
	301	log -m -p --first-parent master
	302	log -m -p master
	303	log -SF master
	304	log -S F master
	305	log -SF -p master
	306	log -SF master --max-count=0
	307	log -SF master --max-count=1
	308	log -SF master --max-count=2
	309	log -GF master
	310	log -GF -p master
	311	log -GF -p --pickaxe-all master
	312	log --decorate --all
	313	log --decorate=full --all
	314
	315	rev-list --parents HEAD
	316	rev-list --children HEAD
	317
	318	whatchanged master
	319	:noellipses whatchanged master
	320	whatchanged -p master
	321	whatchanged --root master
	322	:noellipses whatchanged --root master
	323	whatchanged --root -p master
	324	whatchanged --patch-with-stat master
	325	whatchanged --root --patch-with-stat master
	326	whatchanged --root --patch-with-stat --summary master
	327	# improved by Timo's patch
	328	whatchanged --root -c --patch-with-stat --summary master
	329	# improved by Timo's patch
	330	whatchanged --root --cc --patch-with-stat --summary master
	331	whatchanged -SF master
	332	:noellipses whatchanged -SF master
	333	whatchanged -SF -p master
	334
	335	log --patch-with-stat master -- dir/
	336	whatchanged --patch-with-stat master -- dir/
	337	log --patch-with-stat --summary master -- dir/
	338	whatchanged --patch-with-stat --summary master -- dir/
	339
	340	show initial
	341	show --root initial
	342	show side
	343	show master
	344	show -c master
	345	show -m master
	346	show --first-parent master
	347	show --stat side
	348	show --stat --summary side
	349	show --patch-with-stat side
	350	show --patch-with-raw side
	351	:noellipses show --patch-with-raw side
	352	show --patch-with-stat --summary side
	353
	354	format-patch --stdout initial..side
	355	format-patch --stdout initial..master^
	356	format-patch --stdout initial..master
	357	format-patch --stdout --no-numbered initial..master
	358	format-patch --stdout --numbered initial..master
	359	format-patch --attach --stdout initial..side
	360	format-patch --attach --stdout --suffix=.diff initial..side
	361	format-patch --attach --stdout initial..master^
	362	format-patch --attach --stdout initial..master
	363	format-patch --inline --stdout initial..side
	364	format-patch --inline --stdout initial..master^
	365	format-patch --inline --stdout --numbered-files initial..master
	366	format-patch --inline --stdout initial..master
	367	format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
	368	config format.subjectprefix DIFFERENT_PREFIX
	369	format-patch --inline --stdout initial..master^^
	370	format-patch --stdout --cover-letter -n initial..master^
	371
	372	diff --abbrev initial..side
	373	diff -U initial..side
	374	diff -U1 initial..side
	375	diff -r initial..side
	376	diff --stat initial..side
	377	diff -r --stat initial..side
	378	diff initial..side
	379	diff --patch-with-stat initial..side
	380	diff --patch-with-raw initial..side
	381	:noellipses diff --patch-with-raw initial..side
	382	diff --patch-with-stat -r initial..side
	383	diff --patch-with-raw -r initial..side
	384	:noellipses diff --patch-with-raw -r initial..side
	385	diff --name-status dir2 dir
	386	diff --no-index --name-status dir2 dir
	387	diff --no-index --name-status -- dir2 dir
	388	diff --no-index dir dir3
	389	diff master master^ side
	390	# Can't use spaces...
	391	diff --line-prefix=abc master master^ side
	392	diff --dirstat master~1 master~2
	393	diff --dirstat initial rearrange
	394	diff --dirstat-by-file initial rearrange
	395	diff --dirstat --cc master~1 master
	396	# No-index --abbrev and --no-abbrev
	397	diff --raw initial
	398	:noellipses diff --raw initial
	399	diff --raw --abbrev=4 initial
	400	:noellipses diff --raw --abbrev=4 initial
	401	diff --raw --no-abbrev initial
	402	diff --no-index --raw dir2 dir
	403	:noellipses diff --no-index --raw dir2 dir
	404	diff --no-index --raw --abbrev=4 dir2 dir
	405	:noellipses diff --no-index --raw --abbrev=4 dir2 dir
	406	diff --no-index --raw --no-abbrev dir2 dir
	407
	408	diff-tree --pretty --root --stat --compact-summary initial
	409	diff-tree --pretty -R --root --stat --compact-summary initial
	410	diff-tree --pretty note
	411	diff-tree --pretty --notes note
	412	diff-tree --format=%N note
	413	diff-tree --stat --compact-summary initial mode
	414	diff-tree -R --stat --compact-summary initial mode
	415	EOF
	416
	417	test_expect_success 'log -S requires an argument' '
	418	test_must_fail git log -S
	419	'
	420
	421	test_expect_success 'diff --cached on unborn branch' '
	422	echo ref: refs/heads/unborn >.git/HEAD &&
	423	git diff --cached >result &&
	424	process_diffs result >actual &&
	425	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached" >expected &&
	426	test_cmp expected actual
	427	'
	428
	429	test_expect_success 'diff --cached -- file on unborn branch' '
	430	git diff --cached -- file0 >result &&
	431	process_diffs result >actual &&
	432	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached_--_file0" >expected &&
	433	test_cmp expected actual
	434	'
	435	test_expect_success 'diff --line-prefix with spaces' '
	436	git diff --line-prefix="\| \| \| " --cached -- file0 >result &&
	437	process_diffs result >actual &&
	438	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--line-prefix_--cached_--_file0" >expected &&
	439	test_cmp expected actual
	440	'
	441
	442	test_expect_success 'diff-tree --stdin with log formatting' '
	443	cat >expect <<-\EOF &&
	444	Side
	445	Third
	446	Second
	447	EOF
	448	git rev-list master \| git diff-tree --stdin --format=%s -s >actual &&
	449	test_cmp expect actual
	450	'
	451
	452	test_done