git diff >out &&
test_cmp expect out &&
- >expect &&
git diff -w >out &&
- test_cmp expect out &&
+ test_must_be_empty out &&
git diff -w -b >out &&
- test_cmp expect out &&
+ test_must_be_empty out &&
git diff -w --ignore-space-at-eol >out &&
- test_cmp expect out &&
+ test_must_be_empty out &&
git diff -w -b --ignore-space-at-eol >out &&
- test_cmp expect out &&
+ test_must_be_empty out &&
+ git diff -w --ignore-cr-at-eol >out &&
+ test_must_be_empty out &&
tr "Q_" "\015 " <<-\EOF >expect &&
diff --git a/x b/x
git diff -b --ignore-space-at-eol >out &&
test_cmp expect out &&
+ git diff -b --ignore-cr-at-eol >out &&
+ test_cmp expect out &&
+
tr "Q_" "\015 " <<-\EOF >expect &&
diff --git a/x b/x
index d99af23..22d9f73 100644
CR at end
EOF
git diff --ignore-space-at-eol >out &&
+ test_cmp expect out &&
+
+ git diff --ignore-space-at-eol --ignore-cr-at-eol >out &&
+ test_cmp expect out &&
+
+ tr "Q_" "\015 " <<-\EOF >expect &&
+ diff --git a/x b/x
+ index_d99af23..22d9f73 100644
+ --- a/x
+ +++ b/x
+ @@ -1,6 +1,6 @@
+ -whitespace at beginning
+ -whitespace change
+ -whitespace in the middle
+ -whitespace at end
+ +_ whitespace at beginning
+ +whitespace_ _change
+ +white space in the middle
+ +whitespace at end__
+ unchanged line
+ CR at end
+ EOF
+ git diff --ignore-cr-at-eol >out &&
test_cmp expect out
'
test_seq 5 | sed "/3/i\\
" >x &&
git diff --ignore-blank-lines >out &&
- >expect &&
- test_cmp expect out
+ test_must_be_empty out
'
test_expect_success 'ignore-blank-lines: only new lines with space' '
test_seq 5 | sed "/3/i\\
" >x &&
git diff -w --ignore-blank-lines >out &&
- >expect &&
- test_cmp expect out
+ test_must_be_empty out
'
test_expect_success 'ignore-blank-lines: after change' '
test_must_fail git diff-tree --check HEAD^ HEAD
'
+test_expect_success 'check with ignored trailing whitespace attr (diff-tree)' '
+ test_when_finished "git reset --hard HEAD^" &&
+
+ # create a whitespace error that should be ignored
+ echo "* -whitespace" >.gitattributes &&
+ git add .gitattributes &&
+ echo "foo(); " >x &&
+ git add x &&
+ git commit -m "add trailing space" &&
+
+ # with a worktree diff-tree ignores the whitespace error
+ git diff-tree --root --check HEAD &&
+
+ # without a worktree diff-tree still ignores the whitespace error
+ git -C .git diff-tree --root --check HEAD
+'
+
test_expect_success 'check trailing whitespace (trailing-space: off)' '
git config core.whitespace "-trailing-space" &&
echo "foo (); " >x &&
git diff --check
'
-cat <<EOF >expect
-EOF
test_expect_success 'whitespace-only changes not reported' '
git reset --hard &&
echo >x "hello world" &&
git commit -m "hello 1" &&
echo >x "hello world" &&
git diff -b >actual &&
- test_cmp expect actual
+ test_must_be_empty actual
'
cat <<EOF >expect
test_cmp expected actual
'
-test_expect_success 'detect permutations inside moved code -- dimmed_zebra' '
+test_expect_success 'detect blocks of moved code' '
git reset --hard &&
cat <<-\EOF >lines.txt &&
long line 1
test_config color.diff.newMovedDimmed "normal cyan" &&
test_config color.diff.oldMovedAlternativeDimmed "normal blue" &&
test_config color.diff.newMovedAlternativeDimmed "normal yellow" &&
- git diff HEAD --no-renames --color-moved=dimmed_zebra --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved=blocks --color >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
+ cat <<-\EOF >expected &&
+ <BOLD>diff --git a/lines.txt b/lines.txt<RESET>
+ <BOLD>--- a/lines.txt<RESET>
+ <BOLD>+++ b/lines.txt<RESET>
+ <CYAN>@@ -1,16 +1,16 @@<RESET>
+ <MAGENTA>-long line 1<RESET>
+ <MAGENTA>-long line 2<RESET>
+ <MAGENTA>-long line 3<RESET>
+ line 4<RESET>
+ line 5<RESET>
+ line 6<RESET>
+ line 7<RESET>
+ line 8<RESET>
+ line 9<RESET>
+ <CYAN>+<RESET><CYAN>long line 1<RESET>
+ <CYAN>+<RESET><CYAN>long line 2<RESET>
+ <CYAN>+<RESET><CYAN>long line 3<RESET>
+ <CYAN>+<RESET><CYAN>long line 14<RESET>
+ <CYAN>+<RESET><CYAN>long line 15<RESET>
+ <CYAN>+<RESET><CYAN>long line 16<RESET>
+ line 10<RESET>
+ line 11<RESET>
+ line 12<RESET>
+ line 13<RESET>
+ <MAGENTA>-long line 14<RESET>
+ <MAGENTA>-long line 15<RESET>
+ <MAGENTA>-long line 16<RESET>
+ EOF
+ test_cmp expected actual
+
+'
+
+test_expect_success 'detect permutations inside moved code -- dimmed-zebra' '
+ # reuse setup from test before!
+ test_config color.diff.oldMoved "magenta" &&
+ test_config color.diff.newMoved "cyan" &&
+ test_config color.diff.oldMovedAlternative "blue" &&
+ test_config color.diff.newMovedAlternative "yellow" &&
+ test_config color.diff.oldMovedDimmed "normal magenta" &&
+ test_config color.diff.newMovedDimmed "normal cyan" &&
+ test_config color.diff.oldMovedAlternativeDimmed "normal blue" &&
+ test_config color.diff.newMovedAlternativeDimmed "normal yellow" &&
+ git diff HEAD --no-renames --color-moved=dimmed-zebra --color >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
test_config color.diff.oldMovedAlternativeDimmed "normal blue" &&
test_config color.diff.newMovedAlternativeDimmed "normal yellow" &&
test_config diff.colorMoved zebra &&
- git diff HEAD --no-renames --color-moved --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved --color >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
line 4
line 5
EOF
- git diff HEAD --no-renames --color-moved --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved --color >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
EOF
test_cmp expected actual &&
- git diff HEAD --no-renames -w --color-moved --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved --color \
+ --color-moved-ws=ignore-all-space >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
line 5
EOF
- git diff HEAD --no-renames --color-moved --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved --color >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
EOF
test_cmp expected actual &&
- git diff HEAD --no-renames -b --color-moved --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved --color \
+ --color-moved-ws=ignore-space-change >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
# avoid cluttering the output with complaints about our eol whitespace
test_config core.whitespace -blank-at-eol &&
- git diff HEAD --no-renames --color-moved --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved --color >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
EOF
test_cmp expected actual &&
- git diff HEAD --no-renames --ignore-space-at-eol --color-moved --color |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --no-renames --color-moved --color \
+ --color-moved-ws=ignore-space-at-eol >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/lines.txt b/lines.txt<RESET>
<BOLD>--- a/lines.txt<RESET>
irrelevant_line
EOF
- git diff HEAD --color-moved=zebra --color --no-renames |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat >expected <<-\EOF &&
<BOLD>diff --git a/bar b/bar<RESET>
<BOLD>--- a/bar<RESET>
nineteen chars 456789
EOF
- git diff HEAD --color-moved=zebra --color --no-renames |
- grep -v "index" |
- test_decode_color >actual &&
+ git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat >expected <<-\EOF &&
<BOLD>diff --git a/bar b/bar<RESET>
<BOLD>--- a/bar<RESET>
7charsA
EOF
- git diff HEAD --color-moved=zebra --color --no-renames | grep -v "index" | test_decode_color >actual &&
+ git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
cat >expected <<-\EOF &&
<BOLD>diff --git a/bar b/bar<RESET>
<BOLD>--- a/bar<RESET>
# nor did we mess with it another way
git diff --submodule=diff --color | test_decode_color >expect &&
- test_cmp expect decoded_actual
+ test_cmp expect decoded_actual &&
+ rm -rf bananas &&
+ git submodule deinit bananas
+'
+
+test_expect_success 'only move detection ignores white spaces' '
+ git reset --hard &&
+ q_to_tab <<-\EOF >text.txt &&
+ a long line to exceed per-line minimum
+ another long line to exceed per-line minimum
+ original file
+ EOF
+ git add text.txt &&
+ git commit -m "add text" &&
+ q_to_tab <<-\EOF >text.txt &&
+ Qa long line to exceed per-line minimum
+ Qanother long line to exceed per-line minimum
+ new file
+ EOF
+
+ # Make sure we get a different diff using -w
+ git diff --color --color-moved -w >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
+ q_to_tab <<-\EOF >expected &&
+ <BOLD>diff --git a/text.txt b/text.txt<RESET>
+ <BOLD>--- a/text.txt<RESET>
+ <BOLD>+++ b/text.txt<RESET>
+ <CYAN>@@ -1,3 +1,3 @@<RESET>
+ Qa long line to exceed per-line minimum<RESET>
+ Qanother long line to exceed per-line minimum<RESET>
+ <RED>-original file<RESET>
+ <GREEN>+<RESET><GREEN>new file<RESET>
+ EOF
+ test_cmp expected actual &&
+
+ # And now ignoring white space only in the move detection
+ git diff --color --color-moved \
+ --color-moved-ws=ignore-all-space,ignore-space-change,ignore-space-at-eol >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
+ q_to_tab <<-\EOF >expected &&
+ <BOLD>diff --git a/text.txt b/text.txt<RESET>
+ <BOLD>--- a/text.txt<RESET>
+ <BOLD>+++ b/text.txt<RESET>
+ <CYAN>@@ -1,3 +1,3 @@<RESET>
+ <BOLD;MAGENTA>-a long line to exceed per-line minimum<RESET>
+ <BOLD;MAGENTA>-another long line to exceed per-line minimum<RESET>
+ <RED>-original file<RESET>
+ <BOLD;YELLOW>+<RESET>Q<BOLD;YELLOW>a long line to exceed per-line minimum<RESET>
+ <BOLD;YELLOW>+<RESET>Q<BOLD;YELLOW>another long line to exceed per-line minimum<RESET>
+ <GREEN>+<RESET><GREEN>new file<RESET>
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'compare whitespace delta across moved blocks' '
+
+ git reset --hard &&
+ q_to_tab <<-\EOF >text.txt &&
+ QIndented
+ QText across
+ Qsome lines
+ QBut! <- this stands out
+ QAdjusting with
+ QQdifferent starting
+ Qwhite spaces
+ QAnother outlier
+ QQQIndented
+ QQQText across
+ QQQfive lines
+ QQQthat has similar lines
+ QQQto previous blocks, but with different indent
+ QQQYetQAnotherQoutlierQ
+ EOF
+
+ git add text.txt &&
+ git commit -m "add text.txt" &&
+
+ q_to_tab <<-\EOF >text.txt &&
+ QQIndented
+ QQText across
+ QQsome lines
+ QQQBut! <- this stands out
+ Adjusting with
+ Qdifferent starting
+ white spaces
+ AnotherQoutlier
+ QQIndented
+ QQText across
+ QQfive lines
+ QQthat has similar lines
+ QQto previous blocks, but with different indent
+ QQYetQAnotherQoutlier
+ EOF
+
+ git diff --color --color-moved --color-moved-ws=allow-indentation-change >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
+
+ q_to_tab <<-\EOF >expected &&
+ <BOLD>diff --git a/text.txt b/text.txt<RESET>
+ <BOLD>--- a/text.txt<RESET>
+ <BOLD>+++ b/text.txt<RESET>
+ <CYAN>@@ -1,14 +1,14 @@<RESET>
+ <BOLD;MAGENTA>-QIndented<RESET>
+ <BOLD;MAGENTA>-QText across<RESET>
+ <BOLD;MAGENTA>-Qsome lines<RESET>
+ <RED>-QBut! <- this stands out<RESET>
+ <BOLD;MAGENTA>-QAdjusting with<RESET>
+ <BOLD;MAGENTA>-QQdifferent starting<RESET>
+ <BOLD;MAGENTA>-Qwhite spaces<RESET>
+ <RED>-QAnother outlier<RESET>
+ <BOLD;MAGENTA>-QQQIndented<RESET>
+ <BOLD;MAGENTA>-QQQText across<RESET>
+ <BOLD;MAGENTA>-QQQfive lines<RESET>
+ <BOLD;MAGENTA>-QQQthat has similar lines<RESET>
+ <BOLD;MAGENTA>-QQQto previous blocks, but with different indent<RESET>
+ <RED>-QQQYetQAnotherQoutlierQ<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Indented<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Text across<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>some lines<RESET>
+ <GREEN>+<RESET>QQQ<GREEN>But! <- this stands out<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>Adjusting with<RESET>
+ <BOLD;CYAN>+<RESET>Q<BOLD;CYAN>different starting<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>white spaces<RESET>
+ <GREEN>+<RESET><GREEN>AnotherQoutlier<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Indented<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>Text across<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>five lines<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>that has similar lines<RESET>
+ <BOLD;CYAN>+<RESET>QQ<BOLD;CYAN>to previous blocks, but with different indent<RESET>
+ <GREEN>+<RESET>QQ<GREEN>YetQAnotherQoutlier<RESET>
+ EOF
+
+ test_cmp expected actual
+'
+
+test_expect_success 'compare whitespace delta incompatible with other space options' '
+ test_must_fail git diff \
+ --color-moved-ws=allow-indentation-change,ignore-all-space \
+ 2>err &&
+ test_i18ngrep allow-indentation-change err
'
test_done