3 # Copyright (c) 2006 Johannes E. Schindelin
6 test_description='Test special whitespace in diff engine.
10 . "$TEST_DIRECTORY"/diff-lib.sh
12 test_expect_success "Ray Lehtiniemi's example" '
18 git update-index --add x &&
19 old_hash_x=$(git hash-object x) &&
20 before=$(git rev-parse --short "$old_hash_x") &&
29 new_hash_x=$(git hash-object x) &&
30 after=$(git rev-parse --short "$new_hash_x") &&
34 index $before..$after 100644
48 test_cmp expect out &&
51 test_cmp expect out &&
57 test_expect_success 'another test, without options' '
58 tr Q "\015" <<-\EOF >x &&
59 whitespace at beginning
61 whitespace in the middle
68 old_hash_x=$(git hash-object x) &&
69 before=$(git rev-parse --short "$old_hash_x") &&
71 tr "_" " " <<-\EOF >x &&
72 _ whitespace at beginning
74 white space in the middle
79 new_hash_x=$(git hash-object x) &&
80 after=$(git rev-parse --short "$new_hash_x") &&
82 tr "Q_" "\015 " <<-EOF >expect &&
84 index $before..$after 100644
88 -whitespace at beginning
90 -whitespace in the middle
92 + whitespace at beginning
94 +white space in the middle
102 test_cmp expect out &&
105 test_must_be_empty out &&
107 git diff -w -b >out &&
108 test_must_be_empty out &&
110 git diff -w --ignore-space-at-eol >out &&
111 test_must_be_empty out &&
113 git diff -w -b --ignore-space-at-eol >out &&
114 test_must_be_empty out &&
116 git diff -w --ignore-cr-at-eol >out &&
117 test_must_be_empty out &&
119 tr "Q_" "\015 " <<-EOF >expect &&
121 index $before..$after 100644
125 -whitespace at beginning
126 +_ whitespace at beginning
128 -whitespace in the middle
129 +white space in the middle
135 test_cmp expect out &&
137 git diff -b --ignore-space-at-eol >out &&
138 test_cmp expect out &&
140 git diff -b --ignore-cr-at-eol >out &&
141 test_cmp expect out &&
143 tr "Q_" "\015 " <<-EOF >expect &&
145 index $before..$after 100644
149 -whitespace at beginning
151 -whitespace in the middle
152 +_ whitespace at beginning
154 +white space in the middle
159 git diff --ignore-space-at-eol >out &&
160 test_cmp expect out &&
162 git diff --ignore-space-at-eol --ignore-cr-at-eol >out &&
163 test_cmp expect out &&
165 tr "Q_" "\015 " <<-EOF >expect &&
167 index_$before..$after 100644
171 -whitespace at beginning
173 -whitespace in the middle
175 +_ whitespace at beginning
177 +white space in the middle
182 git diff --ignore-cr-at-eol >out &&
186 test_expect_success 'ignore-blank-lines: only new lines' '
188 git update-index x &&
189 test_seq 5 | sed "/3/i\\
191 git diff --ignore-blank-lines >out &&
192 test_must_be_empty out
195 test_expect_success 'ignore-blank-lines: only new lines with space' '
197 git update-index x &&
198 test_seq 5 | sed "/3/i\\
200 git diff -w --ignore-blank-lines >out &&
201 test_must_be_empty out
204 test_expect_success 'ignore-blank-lines: after change' '
216 git update-index x &&
229 git diff --inter-hunk-context=100 --ignore-blank-lines >out.tmp &&
230 cat <<-\EOF >expected &&
244 compare_diff_patch expected out.tmp
247 test_expect_success 'ignore-blank-lines: before change' '
258 git update-index x &&
271 git diff --inter-hunk-context=100 --ignore-blank-lines >out.tmp &&
272 cat <<-\EOF >expected &&
285 compare_diff_patch expected out.tmp
288 test_expect_success 'ignore-blank-lines: between changes' '
303 git update-index x &&
320 git diff --ignore-blank-lines >out.tmp &&
321 cat <<-\EOF >expected &&
342 compare_diff_patch expected out.tmp
345 test_expect_success 'ignore-blank-lines: between changes (with interhunkctx)' '
347 git update-index x &&
365 git diff --inter-hunk-context=2 --ignore-blank-lines >out.tmp &&
366 cat <<-\EOF >expected &&
387 compare_diff_patch expected out.tmp
390 test_expect_success 'ignore-blank-lines: scattered spaces' '
392 git update-index x &&
413 git diff --inter-hunk-context=4 --ignore-blank-lines >out.tmp &&
414 cat <<-\EOF >expected &&
429 compare_diff_patch expected out.tmp
432 test_expect_success 'ignore-blank-lines: spaces coalesce' '
434 git update-index x &&
448 git diff --inter-hunk-context=4 --ignore-blank-lines >out.tmp &&
449 cat <<-\EOF >expected &&
466 compare_diff_patch expected out.tmp
469 test_expect_success 'ignore-blank-lines: mix changes and blank lines' '
471 git update-index x &&
497 git diff --ignore-blank-lines >out.tmp &&
498 cat <<-\EOF >expected &&
527 compare_diff_patch expected out.tmp
530 test_expect_success 'check mixed spaces and tabs in indent' '
531 # This is indented with SP HT SP.
533 test_must_fail git diff --check >check &&
534 grep "space before tab in indent" check
537 test_expect_success 'check mixed tabs and spaces in indent' '
538 # This is indented with HT SP HT.
540 test_must_fail git diff --check >check &&
541 grep "space before tab in indent" check
544 test_expect_success 'check with no whitespace errors' '
545 git commit -m "snapshot" &&
550 test_expect_success 'check with trailing whitespace' '
552 test_must_fail git diff --check
555 test_expect_success 'check with space before tab in indent' '
556 # indent has space followed by hard tab
558 test_must_fail git diff --check
561 test_expect_success '--check and --exit-code are not exclusive' '
563 git diff --check --exit-code
566 test_expect_success '--check and --quiet are not exclusive' '
567 git diff --check --quiet
570 test_expect_success 'check staged with no whitespace errors' '
573 git diff --cached --check
576 test_expect_success 'check staged with trailing whitespace' '
579 test_must_fail git diff --cached --check
582 test_expect_success 'check staged with space before tab in indent' '
583 # indent has space followed by hard tab
586 test_must_fail git diff --cached --check
589 test_expect_success 'check with no whitespace errors (diff-index)' '
592 git diff-index --check HEAD
595 test_expect_success 'check with trailing whitespace (diff-index)' '
598 test_must_fail git diff-index --check HEAD
601 test_expect_success 'check with space before tab in indent (diff-index)' '
602 # indent has space followed by hard tab
605 test_must_fail git diff-index --check HEAD
608 test_expect_success 'check staged with no whitespace errors (diff-index)' '
611 git diff-index --cached --check HEAD
614 test_expect_success 'check staged with trailing whitespace (diff-index)' '
617 test_must_fail git diff-index --cached --check HEAD
620 test_expect_success 'check staged with space before tab in indent (diff-index)' '
621 # indent has space followed by hard tab
624 test_must_fail git diff-index --cached --check HEAD
627 test_expect_success 'check with no whitespace errors (diff-tree)' '
629 git commit -m "new commit" x &&
630 git diff-tree --check HEAD^ HEAD
633 test_expect_success 'check with trailing whitespace (diff-tree)' '
635 git commit -m "another commit" x &&
636 test_must_fail git diff-tree --check HEAD^ HEAD
639 test_expect_success 'check with space before tab in indent (diff-tree)' '
640 # indent has space followed by hard tab
642 git commit -m "yet another" x &&
643 test_must_fail git diff-tree --check HEAD^ HEAD
646 test_expect_success 'check with ignored trailing whitespace attr (diff-tree)' '
647 test_when_finished "git reset --hard HEAD^" &&
649 # create a whitespace error that should be ignored
650 echo "* -whitespace" >.gitattributes &&
651 git add .gitattributes &&
654 git commit -m "add trailing space" &&
656 # with a worktree diff-tree ignores the whitespace error
657 git diff-tree --root --check HEAD &&
659 # without a worktree diff-tree still ignores the whitespace error
660 git -C .git diff-tree --root --check HEAD
663 test_expect_success 'check trailing whitespace (trailing-space: off)' '
664 git config core.whitespace "-trailing-space" &&
665 echo "foo (); " >x &&
669 test_expect_success 'check trailing whitespace (trailing-space: on)' '
670 git config core.whitespace "trailing-space" &&
671 echo "foo (); " >x &&
672 test_must_fail git diff --check
675 test_expect_success 'check space before tab in indent (space-before-tab: off)' '
676 # indent contains space followed by HT
677 git config core.whitespace "-space-before-tab" &&
678 echo " foo ();" >x &&
682 test_expect_success 'check space before tab in indent (space-before-tab: on)' '
683 # indent contains space followed by HT
684 git config core.whitespace "space-before-tab" &&
685 echo " foo (); " >x &&
686 test_must_fail git diff --check
689 test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' '
690 git config core.whitespace "-indent-with-non-tab" &&
691 echo " foo ();" >x &&
695 test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' '
696 git config core.whitespace "indent-with-non-tab" &&
697 echo " foo ();" >x &&
698 test_must_fail git diff --check
701 test_expect_success 'ditto, but tabwidth=9' '
702 git config core.whitespace "indent-with-non-tab,tabwidth=9" &&
706 test_expect_success 'check tabs and spaces as indentation (indent-with-non-tab: on)' '
707 git config core.whitespace "indent-with-non-tab" &&
708 echo " foo ();" >x &&
709 test_must_fail git diff --check
712 test_expect_success 'ditto, but tabwidth=10' '
713 git config core.whitespace "indent-with-non-tab,tabwidth=10" &&
714 test_must_fail git diff --check
717 test_expect_success 'ditto, but tabwidth=20' '
718 git config core.whitespace "indent-with-non-tab,tabwidth=20" &&
722 test_expect_success 'check tabs as indentation (tab-in-indent: off)' '
723 git config core.whitespace "-tab-in-indent" &&
724 echo " foo ();" >x &&
728 test_expect_success 'check tabs as indentation (tab-in-indent: on)' '
729 git config core.whitespace "tab-in-indent" &&
730 echo " foo ();" >x &&
731 test_must_fail git diff --check
734 test_expect_success 'check tabs and spaces as indentation (tab-in-indent: on)' '
735 git config core.whitespace "tab-in-indent" &&
736 echo " foo ();" >x &&
737 test_must_fail git diff --check
740 test_expect_success 'ditto, but tabwidth=1 (must be irrelevant)' '
741 git config core.whitespace "tab-in-indent,tabwidth=1" &&
742 test_must_fail git diff --check
745 test_expect_success 'check tab-in-indent and indent-with-non-tab conflict' '
746 git config core.whitespace "tab-in-indent,indent-with-non-tab" &&
748 test_must_fail git diff --check
751 test_expect_success 'check tab-in-indent excluded from wildcard whitespace attribute' '
752 git config --unset core.whitespace &&
753 echo "x whitespace" >.gitattributes &&
754 echo " foo ();" >x &&
759 test_expect_success 'line numbers in --check output are correct' '
761 echo "foo(); " >>x &&
762 test_must_fail git diff --check >check &&
766 test_expect_success 'checkdiff detects new trailing blank lines (1)' '
769 test_must_fail git diff --check >check &&
770 grep "new blank line" check
773 test_expect_success 'checkdiff detects new trailing blank lines (2)' '
774 test_write_lines a b "" "" >x &&
776 test_write_lines a "" "" "" "" >x &&
777 test_must_fail git diff --check >check &&
778 grep "new blank line" check
781 test_expect_success 'checkdiff allows new blank lines' '
785 echo "/* This is new */" &&
792 test_expect_success 'whitespace-only changes not reported' '
794 echo >x "hello world" &&
796 git commit -m "hello 1" &&
797 echo >x "hello world" &&
798 git diff -b >actual &&
799 test_must_be_empty actual
802 test_expect_success 'whitespace-only changes reported across renames' '
804 for i in 1 2 3 4 5 6 7 8 9; do echo "$i$i$i$i$i$i"; done >x &&
806 hash_x=$(git hash-object x) &&
807 before=$(git rev-parse --short "$hash_x") &&
808 git commit -m "base" &&
809 sed -e "5s/^/ /" x >z &&
812 hash_z=$(git hash-object z) &&
813 after=$(git rev-parse --short "$hash_z") &&
814 git diff -w -M --cached >actual.raw &&
815 sed -e "/^similarity index /s/[0-9][0-9]*/NUM/" actual.raw >actual &&
816 cat <<-EOF >expect &&
818 similarity index NUM%
821 index $before..$after 100644
823 test_cmp expect actual
827 diff --git a/empty b/void
828 similarity index 100%
833 test_expect_success 'rename empty' '
837 git commit -m empty &&
839 git diff -w --cached -M >current &&
840 test_cmp expected current
843 test_expect_success 'combined diff with autocrlf conversion' '
847 git commit -m "one side" x &&
848 git checkout HEAD^ &&
850 git commit -m "the other side" x &&
851 git config core.autocrlf true &&
852 test_must_fail git merge master &&
854 git diff >actual.raw &&
855 sed -e "1,/^@@@/d" actual.raw >actual &&
860 # Start testing the colored format for whitespace checks
862 test_expect_success 'setup diff colors' '
863 git config color.diff.plain normal &&
864 git config color.diff.meta bold &&
865 git config color.diff.frag cyan &&
866 git config color.diff.func normal &&
867 git config color.diff.old red &&
868 git config color.diff.new green &&
869 git config color.diff.commit yellow &&
870 git config color.diff.whitespace blue &&
872 git config core.autocrlf false
875 test_expect_success 'diff that introduces a line with only tabs' '
876 git config core.whitespace blank-at-eol &&
879 old_hash_x=$(git hash-object x) &&
880 before=$(git rev-parse --short "$old_hash_x") &&
881 git commit -m "initial" x &&
882 echo "{NTN}" | tr "NT" "\n\t" >>x &&
883 new_hash_x=$(git hash-object x) &&
884 after=$(git rev-parse --short "$new_hash_x") &&
885 git diff --color >current.raw &&
886 test_decode_color <current.raw >current &&
888 cat >expected <<-EOF &&
889 <BOLD>diff --git a/x b/x<RESET>
890 <BOLD>index $before..$after 100644<RESET>
893 <CYAN>@@ -1 +1,4 @@<RESET>
895 <GREEN>+<RESET><GREEN>{<RESET>
896 <GREEN>+<RESET><BLUE> <RESET>
897 <GREEN>+<RESET><GREEN>}<RESET>
900 test_cmp expected current
903 test_expect_success 'diff that introduces and removes ws breakages' '
906 echo "0. blank-at-eol " &&
907 echo "1. blank-at-eol "
909 old_hash_x=$(git hash-object x) &&
910 before=$(git rev-parse --short "$old_hash_x") &&
911 git commit -a --allow-empty -m preimage &&
913 echo "0. blank-at-eol " &&
914 echo "1. still-blank-at-eol " &&
915 echo "2. and a new line "
917 new_hash_x=$(git hash-object x) &&
918 after=$(git rev-parse --short "$new_hash_x") &&
920 git diff --color >current.raw &&
921 test_decode_color <current.raw >current &&
923 cat >expected <<-EOF &&
924 <BOLD>diff --git a/x b/x<RESET>
925 <BOLD>index $before..$after 100644<RESET>
928 <CYAN>@@ -1,2 +1,3 @@<RESET>
929 0. blank-at-eol <RESET>
930 <RED>-1. blank-at-eol <RESET>
931 <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET>
932 <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
935 test_cmp expected current
938 test_expect_success 'ws-error-highlight test setup' '
942 echo "0. blank-at-eol " &&
943 echo "1. blank-at-eol "
945 old_hash_x=$(git hash-object x) &&
946 before=$(git rev-parse --short "$old_hash_x") &&
947 git commit -a --allow-empty -m preimage &&
949 echo "0. blank-at-eol " &&
950 echo "1. still-blank-at-eol " &&
951 echo "2. and a new line "
953 new_hash_x=$(git hash-object x) &&
954 after=$(git rev-parse --short "$new_hash_x") &&
956 cat >expect.default-old <<-EOF &&
957 <BOLD>diff --git a/x b/x<RESET>
958 <BOLD>index $before..$after 100644<RESET>
961 <CYAN>@@ -1,2 +1,3 @@<RESET>
962 0. blank-at-eol <RESET>
963 <RED>-<RESET><RED>1. blank-at-eol<RESET><BLUE> <RESET>
964 <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET>
965 <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
968 cat >expect.all <<-EOF &&
969 <BOLD>diff --git a/x b/x<RESET>
970 <BOLD>index $before..$after 100644<RESET>
973 <CYAN>@@ -1,2 +1,3 @@<RESET>
974 <RESET>0. blank-at-eol<RESET><BLUE> <RESET>
975 <RED>-<RESET><RED>1. blank-at-eol<RESET><BLUE> <RESET>
976 <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET>
977 <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
980 cat >expect.none <<-EOF
981 <BOLD>diff --git a/x b/x<RESET>
982 <BOLD>index $before..$after 100644<RESET>
985 <CYAN>@@ -1,2 +1,3 @@<RESET>
986 0. blank-at-eol <RESET>
987 <RED>-1. blank-at-eol <RESET>
988 <GREEN>+1. still-blank-at-eol <RESET>
989 <GREEN>+2. and a new line <RESET>
994 test_expect_success 'test --ws-error-highlight option' '
996 git diff --color --ws-error-highlight=default,old >current.raw &&
997 test_decode_color <current.raw >current &&
998 test_cmp expect.default-old current &&
1000 git diff --color --ws-error-highlight=all >current.raw &&
1001 test_decode_color <current.raw >current &&
1002 test_cmp expect.all current &&
1004 git diff --color --ws-error-highlight=none >current.raw &&
1005 test_decode_color <current.raw >current &&
1006 test_cmp expect.none current
1010 test_expect_success 'test diff.wsErrorHighlight config' '
1012 git -c diff.wsErrorHighlight=default,old diff --color >current.raw &&
1013 test_decode_color <current.raw >current &&
1014 test_cmp expect.default-old current &&
1016 git -c diff.wsErrorHighlight=all diff --color >current.raw &&
1017 test_decode_color <current.raw >current &&
1018 test_cmp expect.all current &&
1020 git -c diff.wsErrorHighlight=none diff --color >current.raw &&
1021 test_decode_color <current.raw >current &&
1022 test_cmp expect.none current
1026 test_expect_success 'option overrides diff.wsErrorHighlight' '
1028 git -c diff.wsErrorHighlight=none \
1029 diff --color --ws-error-highlight=default,old >current.raw &&
1030 test_decode_color <current.raw >current &&
1031 test_cmp expect.default-old current &&
1033 git -c diff.wsErrorHighlight=default \
1034 diff --color --ws-error-highlight=all >current.raw &&
1035 test_decode_color <current.raw >current &&
1036 test_cmp expect.all current &&
1038 git -c diff.wsErrorHighlight=all \
1039 diff --color --ws-error-highlight=none >current.raw &&
1040 test_decode_color <current.raw >current &&
1041 test_cmp expect.none current
1045 test_expect_success 'detect moved code, complete file' '
1047 cat <<-\EOF >test.c &&
1051 printf("Hello World");
1055 git commit -m "add main function" &&
1056 file=$(git rev-parse --short HEAD:test.c) &&
1057 git mv test.c main.c &&
1058 test_config color.diff.oldMoved "normal red" &&
1059 test_config color.diff.newMoved "normal green" &&
1060 git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
1061 test_decode_color <actual.raw >actual &&
1062 cat >expected <<-EOF &&
1063 <BOLD>diff --git a/main.c b/main.c<RESET>
1064 <BOLD>new file mode 100644<RESET>
1065 <BOLD>index 0000000..$file<RESET>
1066 <BOLD>--- /dev/null<RESET>
1067 <BOLD>+++ b/main.c<RESET>
1068 <CYAN>@@ -0,0 +1,5 @@<RESET>
1069 <BGREEN>+<RESET><BGREEN>#include<stdio.h><RESET>
1070 <BGREEN>+<RESET><BGREEN>main()<RESET>
1071 <BGREEN>+<RESET><BGREEN>{<RESET>
1072 <BGREEN>+<RESET><BGREEN>printf("Hello World");<RESET>
1073 <BGREEN>+<RESET><BGREEN>}<RESET>
1074 <BOLD>diff --git a/test.c b/test.c<RESET>
1075 <BOLD>deleted file mode 100644<RESET>
1076 <BOLD>index $file..0000000<RESET>
1077 <BOLD>--- a/test.c<RESET>
1078 <BOLD>+++ /dev/null<RESET>
1079 <CYAN>@@ -1,5 +0,0 @@<RESET>
1080 <BRED>-#include<stdio.h><RESET>
1081 <BRED>-main()<RESET>
1083 <BRED>-printf("Hello World");<RESET>
1087 test_cmp expected actual
1090 test_expect_success 'detect malicious moved code, inside file' '
1091 test_config color.diff.oldMoved "normal red" &&
1092 test_config color.diff.newMoved "normal green" &&
1093 test_config color.diff.oldMovedAlternative "blue" &&
1094 test_config color.diff.newMovedAlternative "yellow" &&
1096 cat <<-\EOF >main.c &&
1104 int secure_foo(struct user *u)
1106 if (!u->is_allowed_foo)
1116 cat <<-\EOF >test.c &&
1120 printf("Hello World, but different\n");
1123 int another_function()
1128 git add main.c test.c &&
1129 git commit -m "add main and test file" &&
1130 before_main=$(git rev-parse --short HEAD:main.c) &&
1131 before_test=$(git rev-parse --short HEAD:test.c) &&
1132 cat <<-\EOF >main.c &&
1145 cat <<-\EOF >test.c &&
1149 printf("Hello World, but different\n");
1152 int secure_foo(struct user *u)
1155 if (!u->is_allowed_foo)
1159 int another_function()
1164 hash_main=$(git hash-object main.c) &&
1165 after_main=$(git rev-parse --short "$hash_main") &&
1166 hash_test=$(git hash-object test.c) &&
1167 after_test=$(git rev-parse --short "$hash_test") &&
1168 git diff HEAD --no-renames --color-moved=zebra --color >actual.raw &&
1169 test_decode_color <actual.raw >actual &&
1170 cat <<-EOF >expected &&
1171 <BOLD>diff --git a/main.c b/main.c<RESET>
1172 <BOLD>index $before_main..$after_main 100644<RESET>
1173 <BOLD>--- a/main.c<RESET>
1174 <BOLD>+++ b/main.c<RESET>
1175 <CYAN>@@ -5,13 +5,6 @@<RESET> <RESET>printf("Hello ");<RESET>
1176 printf("World\n");<RESET>
1179 <BRED>-int secure_foo(struct user *u)<RESET>
1181 <BLUE>-if (!u->is_allowed_foo)<RESET>
1182 <BLUE>-return;<RESET>
1183 <RED>-foo(u);<RESET>
1189 <BOLD>diff --git a/test.c b/test.c<RESET>
1190 <BOLD>index $before_test..$after_test 100644<RESET>
1191 <BOLD>--- a/test.c<RESET>
1192 <BOLD>+++ b/test.c<RESET>
1193 <CYAN>@@ -4,6 +4,13 @@<RESET> <RESET>int bar()<RESET>
1194 printf("Hello World, but different\n");<RESET>
1197 <BGREEN>+<RESET><BGREEN>int secure_foo(struct user *u)<RESET>
1198 <BGREEN>+<RESET><BGREEN>{<RESET>
1199 <GREEN>+<RESET><GREEN>foo(u);<RESET>
1200 <BGREEN>+<RESET><BGREEN>if (!u->is_allowed_foo)<RESET>
1201 <BGREEN>+<RESET><BGREEN>return;<RESET>
1202 <GREEN>+<RESET><GREEN>}<RESET>
1204 int another_function()<RESET>
1209 test_cmp expected actual
1212 test_expect_success 'plain moved code, inside file' '
1213 test_config color.diff.oldMoved "normal red" &&
1214 test_config color.diff.newMoved "normal green" &&
1215 test_config color.diff.oldMovedAlternative "blue" &&
1216 test_config color.diff.newMovedAlternative "yellow" &&
1217 # needs previous test as setup
1218 git diff HEAD --no-renames --color-moved=plain --color >actual.raw &&
1219 test_decode_color <actual.raw >actual &&
1220 cat <<-EOF >expected &&
1221 <BOLD>diff --git a/main.c b/main.c<RESET>
1222 <BOLD>index $before_main..$after_main 100644<RESET>
1223 <BOLD>--- a/main.c<RESET>
1224 <BOLD>+++ b/main.c<RESET>
1225 <CYAN>@@ -5,13 +5,6 @@<RESET> <RESET>printf("Hello ");<RESET>
1226 printf("World\n");<RESET>
1229 <BRED>-int secure_foo(struct user *u)<RESET>
1231 <BRED>-if (!u->is_allowed_foo)<RESET>
1232 <BRED>-return;<RESET>
1233 <BRED>-foo(u);<RESET>
1239 <BOLD>diff --git a/test.c b/test.c<RESET>
1240 <BOLD>index $before_test..$after_test 100644<RESET>
1241 <BOLD>--- a/test.c<RESET>
1242 <BOLD>+++ b/test.c<RESET>
1243 <CYAN>@@ -4,6 +4,13 @@<RESET> <RESET>int bar()<RESET>
1244 printf("Hello World, but different\n");<RESET>
1247 <BGREEN>+<RESET><BGREEN>int secure_foo(struct user *u)<RESET>
1248 <BGREEN>+<RESET><BGREEN>{<RESET>
1249 <BGREEN>+<RESET><BGREEN>foo(u);<RESET>
1250 <BGREEN>+<RESET><BGREEN>if (!u->is_allowed_foo)<RESET>
1251 <BGREEN>+<RESET><BGREEN>return;<RESET>
1252 <BGREEN>+<RESET><BGREEN>}<RESET>
1254 int another_function()<RESET>
1259 test_cmp expected actual
1262 test_expect_success 'detect blocks of moved code' '
1264 cat <<-\EOF >lines.txt &&
1282 git add lines.txt &&
1283 git commit -m "add poetry" &&
1284 cat <<-\EOF >lines.txt &&
1302 test_config color.diff.oldMoved "magenta" &&
1303 test_config color.diff.newMoved "cyan" &&
1304 test_config color.diff.oldMovedAlternative "blue" &&
1305 test_config color.diff.newMovedAlternative "yellow" &&
1306 test_config color.diff.oldMovedDimmed "normal magenta" &&
1307 test_config color.diff.newMovedDimmed "normal cyan" &&
1308 test_config color.diff.oldMovedAlternativeDimmed "normal blue" &&
1309 test_config color.diff.newMovedAlternativeDimmed "normal yellow" &&
1310 git diff HEAD --no-renames --color-moved=blocks --color >actual.raw &&
1311 grep -v "index" actual.raw | test_decode_color >actual &&
1312 cat <<-\EOF >expected &&
1313 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1314 <BOLD>--- a/lines.txt<RESET>
1315 <BOLD>+++ b/lines.txt<RESET>
1316 <CYAN>@@ -1,16 +1,16 @@<RESET>
1317 <MAGENTA>-long line 1<RESET>
1318 <MAGENTA>-long line 2<RESET>
1319 <MAGENTA>-long line 3<RESET>
1326 <CYAN>+<RESET><CYAN>long line 1<RESET>
1327 <CYAN>+<RESET><CYAN>long line 2<RESET>
1328 <CYAN>+<RESET><CYAN>long line 3<RESET>
1329 <CYAN>+<RESET><CYAN>long line 14<RESET>
1330 <CYAN>+<RESET><CYAN>long line 15<RESET>
1331 <CYAN>+<RESET><CYAN>long line 16<RESET>
1336 <MAGENTA>-long line 14<RESET>
1337 <MAGENTA>-long line 15<RESET>
1338 <MAGENTA>-long line 16<RESET>
1340 test_cmp expected actual
1344 test_expect_success 'detect permutations inside moved code -- dimmed-zebra' '
1345 # reuse setup from test before!
1346 test_config color.diff.oldMoved "magenta" &&
1347 test_config color.diff.newMoved "cyan" &&
1348 test_config color.diff.oldMovedAlternative "blue" &&
1349 test_config color.diff.newMovedAlternative "yellow" &&
1350 test_config color.diff.oldMovedDimmed "normal magenta" &&
1351 test_config color.diff.newMovedDimmed "normal cyan" &&
1352 test_config color.diff.oldMovedAlternativeDimmed "normal blue" &&
1353 test_config color.diff.newMovedAlternativeDimmed "normal yellow" &&
1354 git diff HEAD --no-renames --color-moved=dimmed-zebra --color >actual.raw &&
1355 grep -v "index" actual.raw | test_decode_color >actual &&
1356 cat <<-\EOF >expected &&
1357 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1358 <BOLD>--- a/lines.txt<RESET>
1359 <BOLD>+++ b/lines.txt<RESET>
1360 <CYAN>@@ -1,16 +1,16 @@<RESET>
1361 <BMAGENTA>-long line 1<RESET>
1362 <BMAGENTA>-long line 2<RESET>
1363 <BMAGENTA>-long line 3<RESET>
1370 <BCYAN>+<RESET><BCYAN>long line 1<RESET>
1371 <BCYAN>+<RESET><BCYAN>long line 2<RESET>
1372 <CYAN>+<RESET><CYAN>long line 3<RESET>
1373 <YELLOW>+<RESET><YELLOW>long line 14<RESET>
1374 <BYELLOW>+<RESET><BYELLOW>long line 15<RESET>
1375 <BYELLOW>+<RESET><BYELLOW>long line 16<RESET>
1380 <BMAGENTA>-long line 14<RESET>
1381 <BMAGENTA>-long line 15<RESET>
1382 <BMAGENTA>-long line 16<RESET>
1384 test_cmp expected actual
1387 test_expect_success 'cmd option assumes configured colored-moved' '
1388 test_config color.diff.oldMoved "magenta" &&
1389 test_config color.diff.newMoved "cyan" &&
1390 test_config color.diff.oldMovedAlternative "blue" &&
1391 test_config color.diff.newMovedAlternative "yellow" &&
1392 test_config color.diff.oldMovedDimmed "normal magenta" &&
1393 test_config color.diff.newMovedDimmed "normal cyan" &&
1394 test_config color.diff.oldMovedAlternativeDimmed "normal blue" &&
1395 test_config color.diff.newMovedAlternativeDimmed "normal yellow" &&
1396 test_config diff.colorMoved zebra &&
1397 git diff HEAD --no-renames --color-moved --color >actual.raw &&
1398 grep -v "index" actual.raw | test_decode_color >actual &&
1399 cat <<-\EOF >expected &&
1400 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1401 <BOLD>--- a/lines.txt<RESET>
1402 <BOLD>+++ b/lines.txt<RESET>
1403 <CYAN>@@ -1,16 +1,16 @@<RESET>
1404 <MAGENTA>-long line 1<RESET>
1405 <MAGENTA>-long line 2<RESET>
1406 <MAGENTA>-long line 3<RESET>
1413 <CYAN>+<RESET><CYAN>long line 1<RESET>
1414 <CYAN>+<RESET><CYAN>long line 2<RESET>
1415 <CYAN>+<RESET><CYAN>long line 3<RESET>
1416 <YELLOW>+<RESET><YELLOW>long line 14<RESET>
1417 <YELLOW>+<RESET><YELLOW>long line 15<RESET>
1418 <YELLOW>+<RESET><YELLOW>long line 16<RESET>
1423 <MAGENTA>-long line 14<RESET>
1424 <MAGENTA>-long line 15<RESET>
1425 <MAGENTA>-long line 16<RESET>
1427 test_cmp expected actual
1430 test_expect_success 'no effect from --color-moved with --word-diff' '
1431 cat <<-\EOF >text.txt &&
1432 Lorem Ipsum is simply dummy text of the printing and typesetting industry.
1435 git commit -a -m "clean state" &&
1436 cat <<-\EOF >text.txt &&
1437 simply Lorem Ipsum dummy is text of the typesetting and printing industry.
1439 git diff --color-moved --word-diff >actual &&
1440 git diff --word-diff >expect &&
1441 test_cmp expect actual
1444 test_expect_success 'set up whitespace tests' '
1446 # Note that these lines have no leading or trailing whitespace.
1447 cat <<-\EOF >lines.txt &&
1458 git add lines.txt &&
1459 git commit -m "add poetry" &&
1460 git config color.diff.oldMoved "magenta" &&
1461 git config color.diff.newMoved "cyan"
1464 test_expect_success 'move detection ignoring whitespace ' '
1465 q_to_tab <<-\EOF >lines.txt &&
1469 Qchanged long line 9
1476 git diff HEAD --no-renames --color-moved --color >actual.raw &&
1477 grep -v "index" actual.raw | test_decode_color >actual &&
1478 cat <<-\EOF >expected &&
1479 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1480 <BOLD>--- a/lines.txt<RESET>
1481 <BOLD>+++ b/lines.txt<RESET>
1482 <CYAN>@@ -1,9 +1,9 @@<RESET>
1483 <GREEN>+<RESET> <GREEN>long line 6<RESET>
1484 <GREEN>+<RESET> <GREEN>long line 7<RESET>
1485 <GREEN>+<RESET> <GREEN>long line 8<RESET>
1486 <GREEN>+<RESET> <GREEN>changed long line 9<RESET>
1492 <RED>-long line 6<RESET>
1493 <RED>-long line 7<RESET>
1494 <RED>-long line 8<RESET>
1495 <RED>-long line 9<RESET>
1497 test_cmp expected actual &&
1499 git diff HEAD --no-renames --color-moved --color \
1500 --color-moved-ws=ignore-all-space >actual.raw &&
1501 grep -v "index" actual.raw | test_decode_color >actual &&
1502 cat <<-\EOF >expected &&
1503 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1504 <BOLD>--- a/lines.txt<RESET>
1505 <BOLD>+++ b/lines.txt<RESET>
1506 <CYAN>@@ -1,9 +1,9 @@<RESET>
1507 <CYAN>+<RESET> <CYAN>long line 6<RESET>
1508 <CYAN>+<RESET> <CYAN>long line 7<RESET>
1509 <CYAN>+<RESET> <CYAN>long line 8<RESET>
1510 <GREEN>+<RESET> <GREEN>changed long line 9<RESET>
1516 <MAGENTA>-long line 6<RESET>
1517 <MAGENTA>-long line 7<RESET>
1518 <MAGENTA>-long line 8<RESET>
1519 <RED>-long line 9<RESET>
1521 test_cmp expected actual
1524 test_expect_success 'move detection ignoring whitespace changes' '
1526 # Lines 6-8 have a space change, but 9 is new whitespace
1527 q_to_tab <<-\EOF >lines.txt &&
1539 git diff HEAD --no-renames --color-moved --color >actual.raw &&
1540 grep -v "index" actual.raw | test_decode_color >actual &&
1541 cat <<-\EOF >expected &&
1542 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1543 <BOLD>--- a/lines.txt<RESET>
1544 <BOLD>+++ b/lines.txt<RESET>
1545 <CYAN>@@ -1,9 +1,9 @@<RESET>
1546 <GREEN>+<RESET><GREEN>long line 6<RESET>
1547 <GREEN>+<RESET><GREEN>long line 7<RESET>
1548 <GREEN>+<RESET><GREEN>long line 8<RESET>
1549 <GREEN>+<RESET><GREEN>long li ne 9<RESET>
1555 <RED>-long line 6<RESET>
1556 <RED>-long line 7<RESET>
1557 <RED>-long line 8<RESET>
1558 <RED>-long line 9<RESET>
1560 test_cmp expected actual &&
1562 git diff HEAD --no-renames --color-moved --color \
1563 --color-moved-ws=ignore-space-change >actual.raw &&
1564 grep -v "index" actual.raw | test_decode_color >actual &&
1565 cat <<-\EOF >expected &&
1566 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1567 <BOLD>--- a/lines.txt<RESET>
1568 <BOLD>+++ b/lines.txt<RESET>
1569 <CYAN>@@ -1,9 +1,9 @@<RESET>
1570 <CYAN>+<RESET><CYAN>long line 6<RESET>
1571 <CYAN>+<RESET><CYAN>long line 7<RESET>
1572 <CYAN>+<RESET><CYAN>long line 8<RESET>
1573 <GREEN>+<RESET><GREEN>long li ne 9<RESET>
1579 <MAGENTA>-long line 6<RESET>
1580 <MAGENTA>-long line 7<RESET>
1581 <MAGENTA>-long line 8<RESET>
1582 <RED>-long line 9<RESET>
1584 test_cmp expected actual
1587 test_expect_success 'move detection ignoring whitespace at eol' '
1589 # Lines 6-9 have new eol whitespace, but 9 also has it in the middle
1590 q_to_tab <<-\EOF >lines.txt &&
1602 # avoid cluttering the output with complaints about our eol whitespace
1603 test_config core.whitespace -blank-at-eol &&
1605 git diff HEAD --no-renames --color-moved --color >actual.raw &&
1606 grep -v "index" actual.raw | test_decode_color >actual &&
1607 cat <<-\EOF >expected &&
1608 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1609 <BOLD>--- a/lines.txt<RESET>
1610 <BOLD>+++ b/lines.txt<RESET>
1611 <CYAN>@@ -1,9 +1,9 @@<RESET>
1612 <GREEN>+<RESET><GREEN>long line 6 <RESET>
1613 <GREEN>+<RESET><GREEN>long line 7 <RESET>
1614 <GREEN>+<RESET><GREEN>long line 8 <RESET>
1615 <GREEN>+<RESET><GREEN>long line 9 <RESET>
1621 <RED>-long line 6<RESET>
1622 <RED>-long line 7<RESET>
1623 <RED>-long line 8<RESET>
1624 <RED>-long line 9<RESET>
1626 test_cmp expected actual &&
1628 git diff HEAD --no-renames --color-moved --color \
1629 --color-moved-ws=ignore-space-at-eol >actual.raw &&
1630 grep -v "index" actual.raw | test_decode_color >actual &&
1631 cat <<-\EOF >expected &&
1632 <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
1633 <BOLD>--- a/lines.txt<RESET>
1634 <BOLD>+++ b/lines.txt<RESET>
1635 <CYAN>@@ -1,9 +1,9 @@<RESET>
1636 <CYAN>+<RESET><CYAN>long line 6 <RESET>
1637 <CYAN>+<RESET><CYAN>long line 7 <RESET>
1638 <CYAN>+<RESET><CYAN>long line 8 <RESET>
1639 <GREEN>+<RESET><GREEN>long line 9 <RESET>
1645 <MAGENTA>-long line 6<RESET>
1646 <MAGENTA>-long line 7<RESET>
1647 <MAGENTA>-long line 8<RESET>
1648 <RED>-long line 9<RESET>
1650 test_cmp expected actual
1653 test_expect_success 'clean up whitespace-test colors' '
1654 git config --unset color.diff.oldMoved &&
1655 git config --unset color.diff.newMoved
1658 test_expect_success '--color-moved block at end of diff output respects MIN_ALNUM_COUNT' '
1675 git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
1676 grep -v "index" actual.raw | test_decode_color >actual &&
1677 cat >expected <<-\EOF &&
1678 <BOLD>diff --git a/bar b/bar<RESET>
1679 <BOLD>--- a/bar<RESET>
1680 <BOLD>+++ b/bar<RESET>
1681 <CYAN>@@ -0,0 +1 @@<RESET>
1682 <GREEN>+<RESET><GREEN>line1<RESET>
1683 <BOLD>diff --git a/foo b/foo<RESET>
1684 <BOLD>--- a/foo<RESET>
1685 <BOLD>+++ b/foo<RESET>
1686 <CYAN>@@ -1,2 +1 @@<RESET>
1687 irrelevant_line<RESET>
1691 test_cmp expected actual
1694 test_expect_success '--color-moved respects MIN_ALNUM_COUNT' '
1697 nineteen chars 456789
1699 twenty chars 234567890
1709 twenty chars 234567890
1710 nineteen chars 456789
1713 git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
1714 grep -v "index" actual.raw | test_decode_color >actual &&
1715 cat >expected <<-\EOF &&
1716 <BOLD>diff --git a/bar b/bar<RESET>
1717 <BOLD>--- a/bar<RESET>
1718 <BOLD>+++ b/bar<RESET>
1719 <CYAN>@@ -0,0 +1,2 @@<RESET>
1720 <BOLD;CYAN>+<RESET><BOLD;CYAN>twenty chars 234567890<RESET>
1721 <GREEN>+<RESET><GREEN>nineteen chars 456789<RESET>
1722 <BOLD>diff --git a/foo b/foo<RESET>
1723 <BOLD>--- a/foo<RESET>
1724 <BOLD>+++ b/foo<RESET>
1725 <CYAN>@@ -1,3 +1 @@<RESET>
1726 <RED>-nineteen chars 456789<RESET>
1727 irrelevant_line<RESET>
1728 <BOLD;MAGENTA>-twenty chars 234567890<RESET>
1731 test_cmp expected actual
1734 test_expect_success '--color-moved treats adjacent blocks as separate for MIN_ALNUM_COUNT' '
1755 git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
1756 grep -v "index" actual.raw | test_decode_color >actual &&
1757 cat >expected <<-\EOF &&
1758 <BOLD>diff --git a/bar b/bar<RESET>
1759 <BOLD>--- a/bar<RESET>
1760 <BOLD>+++ b/bar<RESET>
1761 <CYAN>@@ -0,0 +1,3 @@<RESET>
1762 <GREEN>+<RESET><GREEN>7charsB<RESET>
1763 <GREEN>+<RESET><GREEN>7charsC<RESET>
1764 <GREEN>+<RESET><GREEN>7charsA<RESET>
1765 <BOLD>diff --git a/foo b/foo<RESET>
1766 <BOLD>--- a/foo<RESET>
1767 <BOLD>+++ b/foo<RESET>
1768 <CYAN>@@ -1,4 +1 @@<RESET>
1769 <RED>-7charsA<RESET>
1770 irrelevant_line<RESET>
1771 <RED>-7charsB<RESET>
1772 <RED>-7charsC<RESET>
1775 test_cmp expected actual
1778 test_expect_success 'move detection with submodules' '
1779 test_create_repo bananas &&
1780 echo ripe >bananas/recipe &&
1781 git -C bananas add recipe &&
1782 test_commit fruit &&
1783 test_commit -C bananas recipe &&
1784 git submodule add ./bananas &&
1786 git commit -a -m "bananas are like a heavy library?" &&
1787 echo foul >bananas/recipe &&
1788 echo ripe >fruit.t &&
1790 git diff --submodule=diff --color-moved --color >actual &&
1792 # no move detection as the moved line is across repository boundaries.
1793 test_decode_color <actual >decoded_actual &&
1794 ! grep BGREEN decoded_actual &&
1795 ! grep BRED decoded_actual &&
1797 # nor did we mess with it another way
1798 git diff --submodule=diff --color >expect.raw &&
1799 test_decode_color <expect.raw >expect &&
1800 test_cmp expect decoded_actual &&
1802 git submodule deinit bananas
1805 test_expect_success 'only move detection ignores white spaces' '
1807 q_to_tab <<-\EOF >text.txt &&
1808 a long line to exceed per-line minimum
1809 another long line to exceed per-line minimum
1813 git commit -m "add text" &&
1814 q_to_tab <<-\EOF >text.txt &&
1815 Qa long line to exceed per-line minimum
1816 Qanother long line to exceed per-line minimum
1820 # Make sure we get a different diff using -w
1821 git diff --color --color-moved -w >actual.raw &&
1822 grep -v "index" actual.raw | test_decode_color >actual &&
1823 q_to_tab <<-\EOF >expected &&
1824 <BOLD>diff --git a/text.txt b/text.txt<RESET>
1825 <BOLD>--- a/text.txt<RESET>
1826 <BOLD>+++ b/text.txt<RESET>
1827 <CYAN>@@ -1,3 +1,3 @@<RESET>
1828 Qa long line to exceed per-line minimum<RESET>
1829 Qanother long line to exceed per-line minimum<RESET>
1830 <RED>-original file<RESET>
1831 <GREEN>+<RESET><GREEN>new file<RESET>
1833 test_cmp expected actual &&
1835 # And now ignoring white space only in the move detection
1836 git diff --color --color-moved \
1837 --color-moved-ws=ignore-all-space,ignore-space-change,ignore-space-at-eol >actual.raw &&
1838 grep -v "index" actual.raw | test_decode_color >actual &&
1839 q_to_tab <<-\EOF >expected &&
1840 <BOLD>diff --git a/text.txt b/text.txt<RESET>
1841 <BOLD>--- a/text.txt<RESET>
1842 <BOLD>+++ b/text.txt<RESET>
1843 <CYAN>@@ -1,3 +1,3 @@<RESET>
1844 <BOLD;MAGENTA>-a long line to exceed per-line minimum<RESET>
1845 <BOLD;MAGENTA>-another long line to exceed per-line minimum<RESET>
1846 <RED>-original file<RESET>
1847 <BOLD;CYAN>+<RESET>Q<BOLD;CYAN>a long line to exceed per-line minimum<RESET>
1848 <BOLD;CYAN>+<RESET>Q<BOLD;CYAN>another long line to exceed per-line minimum<RESET>
1849 <GREEN>+<RESET><GREEN>new file<RESET>
1851 test_cmp expected actual
1854 test_expect_success 'compare whitespace delta across moved blocks' '
1857 q_to_tab <<-\EOF >text.txt &&
1861 QBut! <- this stands out
1863 QQdifferent starting
1869 QQQthat has similar lines
1870 QQQto previous blocks, but with different indent
1871 QQQYetQAnotherQoutlierQ
1872 QLine with internal w h i t e s p a c e change
1876 git commit -m "add text.txt" &&
1878 q_to_tab <<-\EOF >text.txt &&
1882 QQQBut! <- this stands out
1890 QQthat has similar lines
1891 QQto previous blocks, but with different indent
1892 QQYetQAnotherQoutlier
1893 QLine with internal whitespace change
1896 git diff --color --color-moved --color-moved-ws=allow-indentation-change >actual.raw &&
1897 grep -v "index" actual.raw | test_decode_color >actual &&
1899 q_to_tab <<-\EOF >expected &&
1900 <BOLD>diff --git a/text.txt b/text.txt<RESET>
1901 <BOLD>--- a/text.txt<RESET>
1902 <BOLD>+++ b/text.txt<RESET>
1903 <CYAN>@@ -1,15 +1,15 @@<RESET>
1904 <BOLD;MAGENTA>-QIndented<RESET>
1905 <BOLD;MAGENTA>-QText across<RESET>
1906 <BOLD;MAGENTA>-Qsome lines<RESET>
1907 <RED>-QBut! <- this stands out<RESET>
1908 <BOLD;MAGENTA>-QAdjusting with<RESET>
1909 <BOLD;MAGENTA>-QQdifferent starting<RESET>
1910 <BOLD;MAGENTA>-Qwhite spaces<RESET>
1911 <RED>-QAnother outlier<RESET>
1912 <BOLD;MAGENTA>-QQQIndented<RESET>
1913 <BOLD;MAGENTA>-QQQText across<RESET>
1914 <BOLD;MAGENTA>-QQQfive lines<RESET>
1915 <BOLD;MAGENTA>-QQQthat has similar lines<RESET>
1916 <BOLD;MAGENTA>-QQQto previous blocks, but with different indent<RESET>
1917 <RED>-QQQYetQAnotherQoutlierQ<RESET>
1918 <RED>-QLine with internal w h i t e s p a c e change<RESET>
1919 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Indented<RESET>
1920 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Text across<RESET>
1921 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>some lines<RESET>
1922 <GREEN>+<RESET>QQQ<GREEN>But! <- this stands out<RESET>
1923 <BOLD;CYAN>+<RESET><BOLD;CYAN>Adjusting with<RESET>
1924 <BOLD;CYAN>+<RESET>Q<BOLD;CYAN>different starting<RESET>
1925 <BOLD;CYAN>+<RESET><BOLD;CYAN>white spaces<RESET>
1926 <GREEN>+<RESET><GREEN>AnotherQoutlier<RESET>
1927 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Indented<RESET>
1928 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Text across<RESET>
1929 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>five lines<RESET>
1930 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>that has similar lines<RESET>
1931 <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>to previous blocks, but with different indent<RESET>
1932 <GREEN>+<RESET>QQ<GREEN>YetQAnotherQoutlier<RESET>
1933 <GREEN>+<RESET>Q<GREEN>Line with internal whitespace change<RESET>
1936 test_cmp expected actual
1939 test_expect_success 'bogus settings in move detection erroring out' '
1940 test_must_fail git diff --color-moved=bogus 2>err &&
1941 test_i18ngrep "must be one of" err &&
1942 test_i18ngrep bogus err &&
1944 test_must_fail git -c diff.colormoved=bogus diff 2>err &&
1945 test_i18ngrep "must be one of" err &&
1946 test_i18ngrep "from command-line config" err &&
1948 test_must_fail git diff --color-moved-ws=bogus 2>err &&
1949 test_i18ngrep "possible values" err &&
1950 test_i18ngrep bogus err &&
1952 test_must_fail git -c diff.colormovedws=bogus diff 2>err &&
1953 test_i18ngrep "possible values" err &&
1954 test_i18ngrep "from command-line config" err
1957 test_expect_success 'compare whitespace delta incompatible with other space options' '
1958 test_must_fail git diff \
1959 --color-moved-ws=allow-indentation-change,ignore-all-space \
1961 test_i18ngrep allow-indentation-change err
1965 test_expect_success 'compare mixed whitespace delta across moved blocks' '
1968 tr Q_ "\t " <<-EOF >text.txt &&
1970 ____too short without
1972 ___being grouped across blank line
1978 ____Indented text to
1979 _Q____be further indented by four spaces across
1981 QQ____These two lines have had their
1982 ____indentation reduced by four spaces
1983 Qdifferent indentation change
1988 git commit -m "add text.txt" &&
1990 tr Q_ "\t " <<-EOF >text.txt &&
1996 QQbe further indented by four spaces across
2001 Q_______being grouped across blank line
2003 Q_QThese two lines have had their
2004 indentation reduced by four spaces
2005 QQdifferent indentation change
2009 git -c color.diff.whitespace="normal red" \
2010 -c core.whitespace=space-before-tab \
2011 diff --color --color-moved --ws-error-highlight=all \
2012 --color-moved-ws=allow-indentation-change >actual.raw &&
2013 grep -v "index" actual.raw | test_decode_color >actual &&
2015 cat <<-\EOF >expected &&
2016 <BOLD>diff --git a/text.txt b/text.txt<RESET>
2017 <BOLD>--- a/text.txt<RESET>
2018 <BOLD>+++ b/text.txt<RESET>
2019 <CYAN>@@ -1,16 +1,16 @@<RESET>
2020 <BOLD;MAGENTA>-<RESET>
2021 <BOLD;MAGENTA>-<RESET><BOLD;MAGENTA> too short without<RESET>
2022 <BOLD;MAGENTA>-<RESET>
2023 <BOLD;MAGENTA>-<RESET><BOLD;MAGENTA> being grouped across blank line<RESET>
2024 <BOLD;MAGENTA>-<RESET>
2025 <RESET>context<RESET>
2028 <RESET>anchor<RESET>
2029 <BOLD;MAGENTA>-<RESET><BOLD;MAGENTA> Indented text to<RESET>
2030 <BOLD;MAGENTA>-<RESET><BRED> <RESET> <BOLD;MAGENTA> be further indented by four spaces across<RESET>
2031 <BOLD;MAGENTA>-<RESET><BRED> <RESET> <BOLD;MAGENTA>several lines<RESET>
2032 <BOLD;BLUE>-<RESET> <BOLD;BLUE> These two lines have had their<RESET>
2033 <BOLD;BLUE>-<RESET><BOLD;BLUE> indentation reduced by four spaces<RESET>
2034 <BOLD;MAGENTA>-<RESET> <BOLD;MAGENTA>different indentation change<RESET>
2035 <RED>-<RESET><RED> too short<RESET>
2036 <BOLD;CYAN>+<RESET> <BOLD;CYAN>Indented text to<RESET>
2037 <BOLD;CYAN>+<RESET> <BOLD;CYAN>be further indented by four spaces across<RESET>
2038 <BOLD;CYAN>+<RESET> <BOLD;CYAN> several lines<RESET>
2039 <BOLD;YELLOW>+<RESET>
2040 <BOLD;YELLOW>+<RESET> <BOLD;YELLOW>too short without<RESET>
2041 <BOLD;YELLOW>+<RESET>
2042 <BOLD;YELLOW>+<RESET> <BOLD;YELLOW> being grouped across blank line<RESET>
2043 <BOLD;YELLOW>+<RESET>
2044 <BOLD;CYAN>+<RESET> <BRED> <RESET> <BOLD;CYAN>These two lines have had their<RESET>
2045 <BOLD;CYAN>+<RESET><BOLD;CYAN>indentation reduced by four spaces<RESET>
2046 <BOLD;YELLOW>+<RESET> <BOLD;YELLOW>different indentation change<RESET>
2047 <GREEN>+<RESET><BRED> <RESET> <GREEN>too short<RESET>
2050 test_cmp expected actual
2053 test_expect_success 'combine --ignore-blank-lines with --function-context' '
2054 test_write_lines 1 "" 2 3 4 5 >a &&
2055 test_write_lines 1 2 3 4 >b &&
2056 test_must_fail git diff --no-index \
2057 --ignore-blank-lines --function-context a b >actual.raw &&
2058 sed -n "/@@/,\$p" <actual.raw >actual &&
2059 cat <<-\EOF >expect &&
2068 test_cmp expect actual
2071 test_expect_success 'combine --ignore-blank-lines with --function-context 2' '
2072 test_write_lines a b c "" function 1 2 3 4 5 "" 6 7 8 9 >a &&
2073 test_write_lines "" a b c "" function 1 2 3 4 5 6 7 8 >b &&
2074 test_must_fail git diff --no-index \
2075 --ignore-blank-lines --function-context a b >actual.raw &&
2076 sed -n "/@@/,\$p" <actual.raw >actual &&
2077 cat <<-\EOF >expect &&
2091 test_cmp expect actual