1#!/bin/sh
2#
3# Copyright (c) 2006 Junio C Hamano
4#
5
6test_description='Various diff formatting options'
7
8GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
9export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
10
11. ./test-lib.sh
12. "$TEST_DIRECTORY"/lib-diff.sh
13
14test_expect_success setup '
15
16	GIT_AUTHOR_DATE="2006-06-26 00:00:00 +0000" &&
17	GIT_COMMITTER_DATE="2006-06-26 00:00:00 +0000" &&
18	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
19
20	mkdir dir &&
21	mkdir dir2 &&
22	for i in 1 2 3; do echo $i; done >file0 &&
23	for i in A B; do echo $i; done >dir/sub &&
24	cat file0 >file2 &&
25	git add file0 file2 dir/sub &&
26	git commit -m Initial &&
27
28	git branch initial &&
29	git branch side &&
30
31	GIT_AUTHOR_DATE="2006-06-26 00:01:00 +0000" &&
32	GIT_COMMITTER_DATE="2006-06-26 00:01:00 +0000" &&
33	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
34
35	for i in 4 5 6; do echo $i; done >>file0 &&
36	for i in C D; do echo $i; done >>dir/sub &&
37	rm -f file2 &&
38	git update-index --remove file0 file2 dir/sub &&
39	git commit -m "Second${LF}${LF}This is the second commit." &&
40
41	GIT_AUTHOR_DATE="2006-06-26 00:02:00 +0000" &&
42	GIT_COMMITTER_DATE="2006-06-26 00:02:00 +0000" &&
43	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
44
45	for i in A B C; do echo $i; done >file1 &&
46	git add file1 &&
47	for i in E F; do echo $i; done >>dir/sub &&
48	git update-index dir/sub &&
49	git commit -m Third &&
50
51	GIT_AUTHOR_DATE="2006-06-26 00:03:00 +0000" &&
52	GIT_COMMITTER_DATE="2006-06-26 00:03:00 +0000" &&
53	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
54
55	git checkout side &&
56	for i in A B C; do echo $i; done >>file0 &&
57	for i in 1 2; do echo $i; done >>dir/sub &&
58	cat dir/sub >file3 &&
59	git add file3 &&
60	git update-index file0 dir/sub &&
61	git commit -m Side &&
62
63	GIT_AUTHOR_DATE="2006-06-26 00:04:00 +0000" &&
64	GIT_COMMITTER_DATE="2006-06-26 00:04:00 +0000" &&
65	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
66
67	git checkout master &&
68	git pull -s ours --no-rebase . side &&
69
70	GIT_AUTHOR_DATE="2006-06-26 00:05:00 +0000" &&
71	GIT_COMMITTER_DATE="2006-06-26 00:05:00 +0000" &&
72	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
73
74	for i in A B C; do echo $i; done >>file0 &&
75	for i in 1 2; do echo $i; done >>dir/sub &&
76	git update-index file0 dir/sub &&
77
78	mkdir dir3 &&
79	cp dir/sub dir3/sub &&
80	test-tool chmtime +1 dir3/sub &&
81
82	git config log.showroot false &&
83	git commit --amend &&
84
85	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
86	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
87	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
88	git checkout -b rearrange initial &&
89	for i in B A; do echo $i; done >dir/sub &&
90	git add dir/sub &&
91	git commit -m "Rearranged lines in dir/sub" &&
92	git checkout master &&
93
94	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
95	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
96	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
97	git checkout -b mode initial &&
98	git update-index --chmod=+x file0 &&
99	git commit -m "update mode" &&
100	git checkout -f master &&
101
102	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
103	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
104	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
105	git checkout -b note initial &&
106	git update-index --chmod=+x file2 &&
107	git commit -m "update mode (file2)" &&
108	git notes add -m "note" &&
109	git checkout -f master &&
110
111	# Same merge as master, but with parents reversed. Hide it in a
112	# pseudo-ref to avoid impacting tests with --all.
113	commit=$(echo reverse |
114		 git commit-tree -p master^2 -p master^1 master^{tree}) &&
115	git update-ref REVERSE $commit &&
116
117	git config diff.renames false &&
118
119	git show-branch
120'
121
122: <<\EOF
123! [initial] Initial
124 * [master] Merge branch 'side'
125  ! [rearrange] Rearranged lines in dir/sub
126   ! [side] Side
127----
128  +  [rearrange] Rearranged lines in dir/sub
129 -   [master] Merge branch 'side'
130 * + [side] Side
131 *   [master^] Third
132 *   [master~2] Second
133+*++ [initial] Initial
134EOF
135
136process_diffs () {
137	perl -e '
138		my $oid_length = length($ARGV[0]);
139		my $x40 = "[0-9a-f]{40}";
140		my $xab = "[0-9a-f]{4,16}";
141		my $orx = "[0-9a-f]" x $oid_length;
142
143		sub munge_oid {
144			my ($oid) = @_;
145			my $x;
146
147			return "" unless length $oid;
148
149			if ($oid =~ /^(100644|100755|120000)$/) {
150				return $oid;
151			}
152
153			if ($oid =~ /^0*$/) {
154				$x = "0";
155			} else {
156				$x = "f";
157			}
158
159			if (length($oid) == 40) {
160				return $x x $oid_length;
161			} else {
162				return $x x length($oid);
163			}
164		}
165
166		while (<STDIN>) {
167			s/($orx)/munge_oid($1)/ge;
168			s/From ($x40)( |\))/"From " . munge_oid($1) . $2/ge;
169			s/commit ($x40)($| \(from )($x40?)/"commit " .  munge_oid($1) . $2 . munge_oid($3)/ge;
170			s/\b($x40)( |\.\.|$)/munge_oid($1) . $2/ge;
171			s/^($x40)($| )/munge_oid($1) . $2/e;
172			s/($xab)(\.\.|,| |\.\.\.|$)/munge_oid($1) . $2/ge;
173			print;
174		}
175	' "$ZERO_OID" <"$1"
176}
177
178V=$(git version | sed -e 's/^git version //' -e 's/\./\\./g')
179while read magic cmd
180do
181	status=success
182	case "$magic" in
183	'' | '#'*)
184		continue ;;
185	:*)
186		magic=${magic#:}
187		label="$magic-$cmd"
188		case "$magic" in
189		noellipses) ;;
190		failure)
191			status=failure
192			magic=
193			label="$cmd" ;;
194		*)
195			BUG "unknown magic $magic" ;;
196		esac ;;
197	*)
198		cmd="$magic $cmd" magic=
199		label="$cmd" ;;
200	esac
201	test=$(echo "$label" | sed -e 's|[/ ][/ ]*|_|g')
202	pfx=$(printf "%04d" $test_count)
203	expect="$TEST_DIRECTORY/t4013/diff.$test"
204	actual="$pfx-diff.$test"
205
206	test_expect_$status "git $cmd # magic is ${magic:-(not used)}" '
207		{
208			echo "$ git $cmd"
209			case "$magic" in
210			"")
211				GIT_PRINT_SHA1_ELLIPSIS=yes git $cmd ;;
212			noellipses)
213				git $cmd ;;
214			esac |
215			sed -e "s/^\\(-*\\)$V\\(-*\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
216			    -e "s/^\\(.*mixed; boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
217			echo "\$"
218		} >"$actual" &&
219		if test -f "$expect"
220		then
221			process_diffs "$actual" >actual &&
222			process_diffs "$expect" >expect &&
223			case $cmd in
224			*format-patch* | *-stat*)
225				test_cmp expect actual;;
226			*)
227				test_cmp expect actual;;
228			esac &&
229			rm -f "$actual" actual expect
230		else
231			# this is to help developing new tests.
232			cp "$actual" "$expect"
233			false
234		fi
235	'
236done <<\EOF
237diff-tree initial
238diff-tree -r initial
239diff-tree -r --abbrev initial
240diff-tree -r --abbrev=4 initial
241diff-tree --root initial
242diff-tree --root --abbrev initial
243:noellipses diff-tree --root --abbrev initial
244diff-tree --root -r initial
245diff-tree --root -r --abbrev initial
246:noellipses diff-tree --root -r --abbrev initial
247diff-tree --root -r --abbrev=4 initial
248:noellipses diff-tree --root -r --abbrev=4 initial
249diff-tree -p initial
250diff-tree --root -p initial
251diff-tree --root -p --abbrev=10 initial
252diff-tree --root -p --full-index initial
253diff-tree --root -p --full-index --abbrev=10 initial
254diff-tree --patch-with-stat initial
255diff-tree --root --patch-with-stat initial
256diff-tree --patch-with-raw initial
257diff-tree --root --patch-with-raw initial
258
259diff-tree --pretty initial
260diff-tree --pretty --root initial
261diff-tree --pretty -p initial
262diff-tree --pretty --stat initial
263diff-tree --pretty --summary initial
264diff-tree --pretty --stat --summary initial
265diff-tree --pretty --root -p initial
266diff-tree --pretty --root --stat initial
267# improved by Timo's patch
268diff-tree --pretty --root --summary initial
269# improved by Timo's patch
270diff-tree --pretty --root --summary -r initial
271diff-tree --pretty --root --stat --summary initial
272diff-tree --pretty --patch-with-stat initial
273diff-tree --pretty --root --patch-with-stat initial
274diff-tree --pretty --patch-with-raw initial
275diff-tree --pretty --root --patch-with-raw initial
276
277diff-tree --pretty=oneline initial
278diff-tree --pretty=oneline --root initial
279diff-tree --pretty=oneline -p initial
280diff-tree --pretty=oneline --root -p initial
281diff-tree --pretty=oneline --patch-with-stat initial
282# improved by Timo's patch
283diff-tree --pretty=oneline --root --patch-with-stat initial
284diff-tree --pretty=oneline --patch-with-raw initial
285diff-tree --pretty=oneline --root --patch-with-raw initial
286
287diff-tree --pretty side
288diff-tree --pretty -p side
289diff-tree --pretty --patch-with-stat side
290
291diff-tree initial mode
292diff-tree --stat initial mode
293diff-tree --summary initial mode
294
295diff-tree master
296diff-tree -m master
297diff-tree -p master
298diff-tree -p -m master
299diff-tree -c master
300diff-tree -c --abbrev master
301:noellipses diff-tree -c --abbrev master
302diff-tree --cc master
303# stat only should show the diffstat with the first parent
304diff-tree -c --stat master
305diff-tree --cc --stat master
306diff-tree -c --stat --summary master
307diff-tree --cc --stat --summary master
308# stat summary should show the diffstat and summary with the first parent
309diff-tree -c --stat --summary side
310diff-tree --cc --stat --summary side
311diff-tree --cc --shortstat master
312diff-tree --cc --summary REVERSE
313# improved by Timo's patch
314diff-tree --cc --patch-with-stat master
315# improved by Timo's patch
316diff-tree --cc --patch-with-stat --summary master
317# this is correct
318diff-tree --cc --patch-with-stat --summary side
319
320log master
321log -p master
322log --root master
323log --root -p master
324log --patch-with-stat master
325log --root --patch-with-stat master
326log --root --patch-with-stat --summary master
327# improved by Timo's patch
328log --root -c --patch-with-stat --summary master
329# improved by Timo's patch
330log --root --cc --patch-with-stat --summary master
331log --no-diff-merges -p --first-parent master
332log --diff-merges=off -p --first-parent master
333log --first-parent --diff-merges=off -p master
334log -p --first-parent master
335log -p --diff-merges=first-parent master
336log --diff-merges=first-parent master
337log -m -p --first-parent master
338log -m -p master
339log --cc -m -p master
340log -c -m -p master
341log -m --raw master
342log -m --stat master
343log -SF master
344log -S F master
345log -SF -p master
346log -SF master --max-count=0
347log -SF master --max-count=1
348log -SF master --max-count=2
349log -GF master
350log -GF -p master
351log -GF -p --pickaxe-all master
352log -IA -IB -I1 -I2 -p master
353log --decorate --all
354log --decorate=full --all
355
356rev-list --parents HEAD
357rev-list --children HEAD
358
359whatchanged master
360:noellipses whatchanged master
361whatchanged -p master
362whatchanged --root master
363:noellipses whatchanged --root master
364whatchanged --root -p master
365whatchanged --patch-with-stat master
366whatchanged --root --patch-with-stat master
367whatchanged --root --patch-with-stat --summary master
368# improved by Timo's patch
369whatchanged --root -c --patch-with-stat --summary master
370# improved by Timo's patch
371whatchanged --root --cc --patch-with-stat --summary master
372whatchanged -SF master
373:noellipses whatchanged -SF master
374whatchanged -SF -p master
375
376log --patch-with-stat master -- dir/
377whatchanged --patch-with-stat master -- dir/
378log --patch-with-stat --summary master -- dir/
379whatchanged --patch-with-stat --summary master -- dir/
380
381show initial
382show --root initial
383show side
384show master
385show -c master
386show -m master
387show --first-parent master
388show --stat side
389show --stat --summary side
390show --patch-with-stat side
391show --patch-with-raw side
392:noellipses show --patch-with-raw side
393show --patch-with-stat --summary side
394
395format-patch --stdout initial..side
396format-patch --stdout initial..master^
397format-patch --stdout initial..master
398format-patch --stdout --no-numbered initial..master
399format-patch --stdout --numbered initial..master
400format-patch --attach --stdout initial..side
401format-patch --attach --stdout --suffix=.diff initial..side
402format-patch --attach --stdout initial..master^
403format-patch --attach --stdout initial..master
404format-patch --inline --stdout initial..side
405format-patch --inline --stdout initial..master^
406format-patch --inline --stdout --numbered-files initial..master
407format-patch --inline --stdout initial..master
408format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
409config format.subjectprefix DIFFERENT_PREFIX
410format-patch --inline --stdout initial..master^^
411format-patch --stdout --cover-letter -n initial..master^
412
413diff --abbrev initial..side
414diff -U initial..side
415diff -U1 initial..side
416diff -r initial..side
417diff --stat initial..side
418diff -r --stat initial..side
419diff initial..side
420diff --patch-with-stat initial..side
421diff --patch-with-raw initial..side
422:noellipses diff --patch-with-raw initial..side
423diff --patch-with-stat -r initial..side
424diff --patch-with-raw -r initial..side
425:noellipses diff --patch-with-raw -r initial..side
426diff --name-status dir2 dir
427diff --no-index --name-status dir2 dir
428diff --no-index --name-status -- dir2 dir
429diff --no-index dir dir3
430diff master master^ side
431# Can't use spaces...
432diff --line-prefix=abc master master^ side
433diff --dirstat master~1 master~2
434diff --dirstat initial rearrange
435diff --dirstat-by-file initial rearrange
436diff --dirstat --cc master~1 master
437# No-index --abbrev and --no-abbrev
438diff --raw initial
439:noellipses diff --raw initial
440diff --raw --abbrev=4 initial
441:noellipses diff --raw --abbrev=4 initial
442diff --raw --no-abbrev initial
443diff --no-index --raw dir2 dir
444:noellipses diff --no-index --raw dir2 dir
445diff --no-index --raw --abbrev=4 dir2 dir
446:noellipses diff --no-index --raw --abbrev=4 dir2 dir
447diff --no-index --raw --no-abbrev dir2 dir
448
449diff-tree --pretty --root --stat --compact-summary initial
450diff-tree --pretty -R --root --stat --compact-summary initial
451diff-tree --pretty note
452diff-tree --pretty --notes note
453diff-tree --format=%N note
454diff-tree --stat --compact-summary initial mode
455diff-tree -R --stat --compact-summary initial mode
456EOF
457
458test_expect_success 'log -m matches pure log' '
459	git log master >result &&
460	process_diffs result >expected &&
461	git log -m >result &&
462	process_diffs result >actual &&
463	test_cmp expected actual
464'
465
466test_expect_success 'log --diff-merges=on matches --diff-merges=separate' '
467	git log -p --diff-merges=separate master >result &&
468	process_diffs result >expected &&
469	git log -p --diff-merges=on master >result &&
470	process_diffs result >actual &&
471	test_cmp expected actual
472'
473
474test_expect_success 'deny wrong log.diffMerges config' '
475	test_config log.diffMerges wrong-value &&
476	test_expect_code 128 git log
477'
478
479test_expect_success 'git config log.diffMerges first-parent' '
480	git log -p --diff-merges=first-parent master >result &&
481	process_diffs result >expected &&
482	test_config log.diffMerges first-parent &&
483	git log -p --diff-merges=on master >result &&
484	process_diffs result >actual &&
485	test_cmp expected actual
486'
487
488test_expect_success 'git config log.diffMerges first-parent vs -m' '
489	git log -p --diff-merges=first-parent master >result &&
490	process_diffs result >expected &&
491	test_config log.diffMerges first-parent &&
492	git log -p -m master >result &&
493	process_diffs result >actual &&
494	test_cmp expected actual
495'
496
497# -m in "git diff-index" means "match missing", that differs
498# from its meaning in "git diff". Let's check it in diff-index.
499# The line in the output for removed file should disappear when
500# we provide -m in diff-index.
501test_expect_success 'git diff-index -m' '
502	rm -f file1 &&
503	git diff-index HEAD >without-m &&
504	lines_count=$(wc -l <without-m) &&
505	git diff-index -m HEAD >with-m &&
506	git restore file1 &&
507	test_line_count = $((lines_count - 1)) with-m
508'
509
510test_expect_success 'log -S requires an argument' '
511	test_must_fail git log -S
512'
513
514test_expect_success 'diff --cached on unborn branch' '
515	echo ref: refs/heads/unborn >.git/HEAD &&
516	git diff --cached >result &&
517	process_diffs result >actual &&
518	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached" >expected &&
519	test_cmp expected actual
520'
521
522test_expect_success 'diff --cached -- file on unborn branch' '
523	git diff --cached -- file0 >result &&
524	process_diffs result >actual &&
525	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached_--_file0" >expected &&
526	test_cmp expected actual
527'
528test_expect_success 'diff --line-prefix with spaces' '
529	git diff --line-prefix="| | | " --cached -- file0 >result &&
530	process_diffs result >actual &&
531	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--line-prefix_--cached_--_file0" >expected &&
532	test_cmp expected actual
533'
534
535test_expect_success 'diff-tree --stdin with log formatting' '
536	cat >expect <<-\EOF &&
537	Side
538	Third
539	Second
540	EOF
541	git rev-list master | git diff-tree --stdin --format=%s -s >actual &&
542	test_cmp expect actual
543'
544
545test_expect_success 'diff -I<regex>: setup' '
546	git checkout master &&
547	test_seq 50 >file0 &&
548	git commit -m "Set up -I<regex> test file" file0 &&
549	test_seq 50 | sed -e "s/13/ten and three/" -e "/7\$/d" >file0 &&
550	echo >>file0
551'
552test_expect_success 'diff -I<regex>' '
553	git diff --ignore-blank-lines -I"ten.*e" -I"^[124-9]" >actual &&
554	cat >expect <<-\EOF &&
555	diff --git a/file0 b/file0
556	--- a/file0
557	+++ b/file0
558	@@ -34,7 +31,6 @@
559	 34
560	 35
561	 36
562	-37
563	 38
564	 39
565	 40
566	EOF
567	compare_diff_patch expect actual
568'
569
570test_expect_success 'diff -I<regex> --stat' '
571	git diff --stat --ignore-blank-lines -I"ten.*e" -I"^[124-9]" >actual &&
572	cat >expect <<-\EOF &&
573	 file0 | 1 -
574	 1 file changed, 1 deletion(-)
575	EOF
576	test_cmp expect actual
577'
578
579test_expect_success 'diff -I<regex>: detect malformed regex' '
580	test_expect_code 129 git diff --ignore-matching-lines="^[124-9" 2>error &&
581	test_i18ngrep "invalid regex given to -I: " error
582'
583
584test_done
585