diff options
Diffstat (limited to 't/t4015-diff-whitespace.sh')
| -rwxr-xr-x | t/t4015-diff-whitespace.sh | 1487 |
1 files changed, 1241 insertions, 246 deletions
diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh index 604a838c1a..a9fb226c5a 100755 --- a/t/t4015-diff-whitespace.sh +++ b/t/t4015-diff-whitespace.sh @@ -9,138 +9,171 @@ test_description='Test special whitespace in diff engine. . ./test-lib.sh . "$TEST_DIRECTORY"/diff-lib.sh -# Ray Lehtiniemi's example +test_expect_success "Ray Lehtiniemi's example" ' + cat <<-\EOF >x && + do { + nothing; + } while (0); + EOF + git update-index --add x && -cat << EOF > x -do { - nothing; -} while (0); -EOF + cat <<-\EOF >x && + do + { + nothing; + } + while (0); + EOF -git update-index --add x + cat <<-\EOF >expect && + diff --git a/x b/x + index adf3937..6edc172 100644 + --- a/x + +++ b/x + @@ -1,3 +1,5 @@ + -do { + +do + +{ + nothing; + -} while (0); + +} + +while (0); + EOF -cat << EOF > x -do -{ - nothing; -} -while (0); -EOF + git diff >out && + test_cmp expect out && -cat << EOF > expect -diff --git a/x b/x -index adf3937..6edc172 100644 ---- a/x -+++ b/x -@@ -1,3 +1,5 @@ --do { -+do -+{ - nothing; --} while (0); -+} -+while (0); -EOF + git diff -w >out && + test_cmp expect out && -git diff > out -test_expect_success "Ray's example without options" 'test_cmp expect out' + git diff -b >out && + test_cmp expect out +' -git diff -w > out -test_expect_success "Ray's example with -w" 'test_cmp expect out' +test_expect_success 'another test, without options' ' + tr Q "\015" <<-\EOF >x && + whitespace at beginning + whitespace change + whitespace in the middle + whitespace at end + unchanged line + CR at endQ + EOF -git diff -b > out -test_expect_success "Ray's example with -b" 'test_cmp expect out' + git update-index x && -tr 'Q' '\015' << EOF > x -whitespace at beginning -whitespace change -whitespace in the middle -whitespace at end -unchanged line -CR at endQ -EOF + tr "_" " " <<-\EOF >x && + _ whitespace at beginning + whitespace change + white space in the middle + whitespace at end__ + unchanged line + CR at end + EOF + + 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 endQ + +CR at end + EOF -git update-index x + git diff >out && + test_cmp expect out && -tr '_' ' ' << EOF > x - whitespace at beginning -whitespace change -white space in the middle -whitespace at end__ -unchanged line -CR at end -EOF + git diff -w >out && + test_must_be_empty out && -tr 'Q_' '\015 ' << EOF > expect -diff --git a/x b/x -index d99af23..8b32fb5 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 endQ -+CR at end -EOF -git diff > out -test_expect_success 'another test, without options' 'test_cmp expect out' + git diff -w -b >out && + test_must_be_empty out && -cat << EOF > expect -EOF -git diff -w > out -test_expect_success 'another test, with -w' 'test_cmp expect out' -git diff -w -b > out -test_expect_success 'another test, with -w -b' 'test_cmp expect out' -git diff -w --ignore-space-at-eol > out -test_expect_success 'another test, with -w --ignore-space-at-eol' 'test_cmp expect out' -git diff -w -b --ignore-space-at-eol > out -test_expect_success 'another test, with -w -b --ignore-space-at-eol' 'test_cmp expect out' - -tr 'Q_' '\015 ' << EOF > expect -diff --git a/x b/x -index d99af23..8b32fb5 100644 ---- a/x -+++ b/x -@@ -1,6 +1,6 @@ --whitespace at beginning -+ whitespace at beginning - whitespace change --whitespace in the middle -+white space in the middle - whitespace at end__ - unchanged line - CR at end -EOF -git diff -b > out -test_expect_success 'another test, with -b' 'test_cmp expect out' -git diff -b --ignore-space-at-eol > out -test_expect_success 'another test, with -b --ignore-space-at-eol' 'test_cmp expect out' - -tr 'Q_' '\015 ' << EOF > expect -diff --git a/x b/x -index d99af23..8b32fb5 100644 ---- a/x -+++ b/x -@@ -1,6 +1,6 @@ --whitespace at beginning --whitespace change --whitespace in the middle -+ whitespace at beginning -+whitespace change -+white space in the middle - whitespace at end__ - unchanged line - CR at end -EOF -git diff --ignore-space-at-eol > out -test_expect_success 'another test, with --ignore-space-at-eol' 'test_cmp expect out' + git diff -w --ignore-space-at-eol >out && + test_must_be_empty out && + + git diff -w -b --ignore-space-at-eol >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 + index d99af23..22d9f73 100644 + --- a/x + +++ b/x + @@ -1,6 +1,6 @@ + -whitespace at beginning + +_ whitespace at beginning + whitespace change + -whitespace in the middle + +white space in the middle + whitespace at end__ + unchanged line + CR at end + EOF + git diff -b >out && + test_cmp expect out && + + 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 + --- a/x + +++ b/x + @@ -1,6 +1,6 @@ + -whitespace at beginning + -whitespace change + -whitespace in the middle + +_ whitespace at beginning + +whitespace change + +white space in the middle + whitespace at end__ + unchanged line + 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_expect_success 'ignore-blank-lines: only new lines' ' test_seq 5 >x && @@ -148,8 +181,7 @@ test_expect_success 'ignore-blank-lines: only new lines' ' test_seq 5 | sed "/3/i\\ " >x && git diff --ignore-blank-lines >out && - >expect && - test_cmp out expect + test_must_be_empty out ' test_expect_success 'ignore-blank-lines: only new lines with space' ' @@ -158,8 +190,7 @@ 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 out expect + test_must_be_empty out ' test_expect_success 'ignore-blank-lines: after change' ' @@ -489,291 +520,236 @@ test_expect_success 'ignore-blank-lines: mix changes and blank lines' ' ' test_expect_success 'check mixed spaces and tabs in indent' ' - # This is indented with SP HT SP. - echo " foo();" > x && + echo " foo();" >x && git diff --check | grep "space before tab in indent" - ' test_expect_success 'check mixed tabs and spaces in indent' ' - # This is indented with HT SP HT. - echo " foo();" > x && + echo " foo();" >x && git diff --check | grep "space before tab in indent" - ' test_expect_success 'check with no whitespace errors' ' - git commit -m "snapshot" && - echo "foo();" > x && + echo "foo();" >x && git diff --check - ' test_expect_success 'check with trailing whitespace' ' - - echo "foo(); " > x && + echo "foo(); " >x && test_must_fail git diff --check - ' test_expect_success 'check with space before tab in indent' ' - # indent has space followed by hard tab - echo " foo();" > x && + echo " foo();" >x && test_must_fail git diff --check - ' test_expect_success '--check and --exit-code are not exclusive' ' - git checkout x && git diff --check --exit-code - ' test_expect_success '--check and --quiet are not exclusive' ' - git diff --check --quiet - ' test_expect_success 'check staged with no whitespace errors' ' - - echo "foo();" > x && + echo "foo();" >x && git add x && git diff --cached --check - ' test_expect_success 'check staged with trailing whitespace' ' - - echo "foo(); " > x && + echo "foo(); " >x && git add x && test_must_fail git diff --cached --check - ' test_expect_success 'check staged with space before tab in indent' ' - # indent has space followed by hard tab - echo " foo();" > x && + echo " foo();" >x && git add x && test_must_fail git diff --cached --check - ' test_expect_success 'check with no whitespace errors (diff-index)' ' - - echo "foo();" > x && + echo "foo();" >x && git add x && git diff-index --check HEAD - ' test_expect_success 'check with trailing whitespace (diff-index)' ' - - echo "foo(); " > x && + echo "foo(); " >x && git add x && test_must_fail git diff-index --check HEAD - ' test_expect_success 'check with space before tab in indent (diff-index)' ' - # indent has space followed by hard tab - echo " foo();" > x && + echo " foo();" >x && git add x && test_must_fail git diff-index --check HEAD - ' test_expect_success 'check staged with no whitespace errors (diff-index)' ' - - echo "foo();" > x && + echo "foo();" >x && git add x && git diff-index --cached --check HEAD - ' test_expect_success 'check staged with trailing whitespace (diff-index)' ' - - echo "foo(); " > x && + echo "foo(); " >x && git add x && test_must_fail git diff-index --cached --check HEAD - ' test_expect_success 'check staged with space before tab in indent (diff-index)' ' - # indent has space followed by hard tab - echo " foo();" > x && + echo " foo();" >x && git add x && test_must_fail git diff-index --cached --check HEAD - ' test_expect_success 'check with no whitespace errors (diff-tree)' ' - - echo "foo();" > x && + echo "foo();" >x && git commit -m "new commit" x && git diff-tree --check HEAD^ HEAD - ' test_expect_success 'check with trailing whitespace (diff-tree)' ' - - echo "foo(); " > x && + echo "foo(); " >x && git commit -m "another commit" x && test_must_fail git diff-tree --check HEAD^ HEAD - ' test_expect_success 'check with space before tab in indent (diff-tree)' ' - # indent has space followed by hard tab - echo " foo();" > x && + echo " foo();" >x && git commit -m "yet another" x && 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 && + echo "foo (); " >x && git diff --check - ' test_expect_success 'check trailing whitespace (trailing-space: on)' ' - git config core.whitespace "trailing-space" && - echo "foo (); " > x && + echo "foo (); " >x && test_must_fail git diff --check - ' test_expect_success 'check space before tab in indent (space-before-tab: off)' ' - # indent contains space followed by HT git config core.whitespace "-space-before-tab" && - echo " foo ();" > x && + echo " foo ();" >x && git diff --check - ' test_expect_success 'check space before tab in indent (space-before-tab: on)' ' - # indent contains space followed by HT git config core.whitespace "space-before-tab" && - echo " foo (); " > x && + echo " foo (); " >x && test_must_fail git diff --check - ' test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' ' - git config core.whitespace "-indent-with-non-tab" && - echo " foo ();" > x && + echo " foo ();" >x && git diff --check - ' test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' ' - git config core.whitespace "indent-with-non-tab" && - echo " foo ();" > x && + echo " foo ();" >x && test_must_fail git diff --check - ' test_expect_success 'ditto, but tabwidth=9' ' - git config core.whitespace "indent-with-non-tab,tabwidth=9" && git diff --check - ' test_expect_success 'check tabs and spaces as indentation (indent-with-non-tab: on)' ' - git config core.whitespace "indent-with-non-tab" && - echo " foo ();" > x && + echo " foo ();" >x && test_must_fail git diff --check - ' test_expect_success 'ditto, but tabwidth=10' ' - git config core.whitespace "indent-with-non-tab,tabwidth=10" && test_must_fail git diff --check - ' test_expect_success 'ditto, but tabwidth=20' ' - git config core.whitespace "indent-with-non-tab,tabwidth=20" && git diff --check - ' test_expect_success 'check tabs as indentation (tab-in-indent: off)' ' - git config core.whitespace "-tab-in-indent" && - echo " foo ();" > x && + echo " foo ();" >x && git diff --check - ' test_expect_success 'check tabs as indentation (tab-in-indent: on)' ' - git config core.whitespace "tab-in-indent" && - echo " foo ();" > x && + echo " foo ();" >x && test_must_fail git diff --check - ' test_expect_success 'check tabs and spaces as indentation (tab-in-indent: on)' ' - git config core.whitespace "tab-in-indent" && - echo " foo ();" > x && + echo " foo ();" >x && test_must_fail git diff --check - ' test_expect_success 'ditto, but tabwidth=1 (must be irrelevant)' ' - git config core.whitespace "tab-in-indent,tabwidth=1" && test_must_fail git diff --check - ' test_expect_success 'check tab-in-indent and indent-with-non-tab conflict' ' - git config core.whitespace "tab-in-indent,indent-with-non-tab" && - echo "foo ();" > x && + echo "foo ();" >x && test_must_fail git diff --check - ' test_expect_success 'check tab-in-indent excluded from wildcard whitespace attribute' ' - git config --unset core.whitespace && - echo "x whitespace" > .gitattributes && - echo " foo ();" > x && + echo "x whitespace" >.gitattributes && + echo " foo ();" >x && git diff --check && rm -f .gitattributes - ' test_expect_success 'line numbers in --check output are correct' ' - - echo "" > x && - echo "foo(); " >> x && + echo "" >x && + echo "foo(); " >>x && git diff --check | grep "x:2:" - ' test_expect_success 'checkdiff detects new trailing blank lines (1)' ' @@ -800,8 +776,6 @@ test_expect_success 'checkdiff allows new blank lines' ' git diff --check ' -cat <<EOF >expect -EOF test_expect_success 'whitespace-only changes not reported' ' git reset --hard && echo >x "hello world" && @@ -809,7 +783,7 @@ test_expect_success 'whitespace-only changes not reported' ' 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 @@ -868,7 +842,6 @@ test_expect_success 'combined diff with autocrlf conversion' ' # Start testing the colored format for whitespace checks test_expect_success 'setup diff colors' ' - git config color.diff always && git config color.diff.plain normal && git config color.diff.meta bold && git config color.diff.frag cyan && @@ -876,30 +849,1052 @@ test_expect_success 'setup diff colors' ' git config color.diff.old red && git config color.diff.new green && git config color.diff.commit yellow && - git config color.diff.whitespace "normal red" && + git config color.diff.whitespace blue && git config core.autocrlf false ' -cat >expected <<\EOF -<BOLD>diff --git a/x b/x<RESET> -<BOLD>index 9daeafb..2874b91 100644<RESET> -<BOLD>--- a/x<RESET> -<BOLD>+++ b/x<RESET> -<CYAN>@@ -1 +1,4 @@<RESET> - test<RESET> -<GREEN>+<RESET><GREEN>{<RESET> -<GREEN>+<RESET><BRED> <RESET> -<GREEN>+<RESET><GREEN>}<RESET> -EOF test_expect_success 'diff that introduces a line with only tabs' ' git config core.whitespace blank-at-eol && git reset --hard && - echo "test" > x && + echo "test" >x && git commit -m "initial" x && - echo "{NTN}" | tr "NT" "\n\t" >> x && - git -c color.diff=always diff | test_decode_color >current && + echo "{NTN}" | tr "NT" "\n\t" >>x && + git diff --color | test_decode_color >current && + + cat >expected <<-\EOF && + <BOLD>diff --git a/x b/x<RESET> + <BOLD>index 9daeafb..2874b91 100644<RESET> + <BOLD>--- a/x<RESET> + <BOLD>+++ b/x<RESET> + <CYAN>@@ -1 +1,4 @@<RESET> + test<RESET> + <GREEN>+<RESET><GREEN>{<RESET> + <GREEN>+<RESET><BLUE> <RESET> + <GREEN>+<RESET><GREEN>}<RESET> + EOF + + test_cmp expected current +' + +test_expect_success 'diff that introduces and removes ws breakages' ' + git reset --hard && + { + echo "0. blank-at-eol " && + echo "1. blank-at-eol " + } >x && + git commit -a --allow-empty -m preimage && + { + echo "0. blank-at-eol " && + echo "1. still-blank-at-eol " && + echo "2. and a new line " + } >x && + + git diff --color | + test_decode_color >current && + + cat >expected <<-\EOF && + <BOLD>diff --git a/x b/x<RESET> + <BOLD>index d0233a2..700886e 100644<RESET> + <BOLD>--- a/x<RESET> + <BOLD>+++ b/x<RESET> + <CYAN>@@ -1,2 +1,3 @@<RESET> + 0. blank-at-eol <RESET> + <RED>-1. blank-at-eol <RESET> + <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET> + <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET> + EOF + test_cmp expected current ' +test_expect_success 'ws-error-highlight test setup' ' + + git reset --hard && + { + echo "0. blank-at-eol " && + echo "1. blank-at-eol " + } >x && + git commit -a --allow-empty -m preimage && + { + echo "0. blank-at-eol " && + echo "1. still-blank-at-eol " && + echo "2. and a new line " + } >x && + + cat >expect.default-old <<-\EOF && + <BOLD>diff --git a/x b/x<RESET> + <BOLD>index d0233a2..700886e 100644<RESET> + <BOLD>--- a/x<RESET> + <BOLD>+++ b/x<RESET> + <CYAN>@@ -1,2 +1,3 @@<RESET> + 0. blank-at-eol <RESET> + <RED>-<RESET><RED>1. blank-at-eol<RESET><BLUE> <RESET> + <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET> + <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET> + EOF + + cat >expect.all <<-\EOF && + <BOLD>diff --git a/x b/x<RESET> + <BOLD>index d0233a2..700886e 100644<RESET> + <BOLD>--- a/x<RESET> + <BOLD>+++ b/x<RESET> + <CYAN>@@ -1,2 +1,3 @@<RESET> + <RESET>0. blank-at-eol<RESET><BLUE> <RESET> + <RED>-<RESET><RED>1. blank-at-eol<RESET><BLUE> <RESET> + <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET> + <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET> + EOF + + cat >expect.none <<-\EOF + <BOLD>diff --git a/x b/x<RESET> + <BOLD>index d0233a2..700886e 100644<RESET> + <BOLD>--- a/x<RESET> + <BOLD>+++ b/x<RESET> + <CYAN>@@ -1,2 +1,3 @@<RESET> + 0. blank-at-eol <RESET> + <RED>-1. blank-at-eol <RESET> + <GREEN>+1. still-blank-at-eol <RESET> + <GREEN>+2. and a new line <RESET> + EOF + +' + +test_expect_success 'test --ws-error-highlight option' ' + + git diff --color --ws-error-highlight=default,old | + test_decode_color >current && + test_cmp expect.default-old current && + + git diff --color --ws-error-highlight=all | + test_decode_color >current && + test_cmp expect.all current && + + git diff --color --ws-error-highlight=none | + test_decode_color >current && + test_cmp expect.none current + +' + +test_expect_success 'test diff.wsErrorHighlight config' ' + + git -c diff.wsErrorHighlight=default,old diff --color | + test_decode_color >current && + test_cmp expect.default-old current && + + git -c diff.wsErrorHighlight=all diff --color | + test_decode_color >current && + test_cmp expect.all current && + + git -c diff.wsErrorHighlight=none diff --color | + test_decode_color >current && + test_cmp expect.none current + +' + +test_expect_success 'option overrides diff.wsErrorHighlight' ' + + git -c diff.wsErrorHighlight=none \ + diff --color --ws-error-highlight=default,old | + test_decode_color >current && + test_cmp expect.default-old current && + + git -c diff.wsErrorHighlight=default \ + diff --color --ws-error-highlight=all | + test_decode_color >current && + test_cmp expect.all current && + + git -c diff.wsErrorHighlight=all \ + diff --color --ws-error-highlight=none | + test_decode_color >current && + test_cmp expect.none current + +' + +test_expect_success 'detect moved code, complete file' ' + git reset --hard && + cat <<-\EOF >test.c && + #include<stdio.h> + main() + { + printf("Hello World"); + } + EOF + git add test.c && + git commit -m "add main function" && + git mv test.c main.c && + test_config color.diff.oldMoved "normal red" && + test_config color.diff.newMoved "normal green" && + git diff HEAD --color-moved=zebra --color --no-renames | test_decode_color >actual && + cat >expected <<-\EOF && + <BOLD>diff --git a/main.c b/main.c<RESET> + <BOLD>new file mode 100644<RESET> + <BOLD>index 0000000..a986c57<RESET> + <BOLD>--- /dev/null<RESET> + <BOLD>+++ b/main.c<RESET> + <CYAN>@@ -0,0 +1,5 @@<RESET> + <BGREEN>+<RESET><BGREEN>#include<stdio.h><RESET> + <BGREEN>+<RESET><BGREEN>main()<RESET> + <BGREEN>+<RESET><BGREEN>{<RESET> + <BGREEN>+<RESET><BGREEN>printf("Hello World");<RESET> + <BGREEN>+<RESET><BGREEN>}<RESET> + <BOLD>diff --git a/test.c b/test.c<RESET> + <BOLD>deleted file mode 100644<RESET> + <BOLD>index a986c57..0000000<RESET> + <BOLD>--- a/test.c<RESET> + <BOLD>+++ /dev/null<RESET> + <CYAN>@@ -1,5 +0,0 @@<RESET> + <BRED>-#include<stdio.h><RESET> + <BRED>-main()<RESET> + <BRED>-{<RESET> + <BRED>-printf("Hello World");<RESET> + <BRED>-}<RESET> + EOF + + test_cmp expected actual +' + +test_expect_success 'detect malicious moved code, inside file' ' + test_config color.diff.oldMoved "normal red" && + test_config color.diff.newMoved "normal green" && + test_config color.diff.oldMovedAlternative "blue" && + test_config color.diff.newMovedAlternative "yellow" && + git reset --hard && + cat <<-\EOF >main.c && + #include<stdio.h> + int stuff() + { + printf("Hello "); + printf("World\n"); + } + + int secure_foo(struct user *u) + { + if (!u->is_allowed_foo) + return; + foo(u); + } + + int main() + { + foo(); + } + EOF + cat <<-\EOF >test.c && + #include<stdio.h> + int bar() + { + printf("Hello World, but different\n"); + } + + int another_function() + { + bar(); + } + EOF + git add main.c test.c && + git commit -m "add main and test file" && + cat <<-\EOF >main.c && + #include<stdio.h> + int stuff() + { + printf("Hello "); + printf("World\n"); + } + + int main() + { + foo(); + } + EOF + cat <<-\EOF >test.c && + #include<stdio.h> + int bar() + { + printf("Hello World, but different\n"); + } + + int secure_foo(struct user *u) + { + foo(u); + if (!u->is_allowed_foo) + return; + } + + int another_function() + { + bar(); + } + EOF + git diff HEAD --no-renames --color-moved=zebra --color | test_decode_color >actual && + cat <<-\EOF >expected && + <BOLD>diff --git a/main.c b/main.c<RESET> + <BOLD>index 27a619c..7cf9336 100644<RESET> + <BOLD>--- a/main.c<RESET> + <BOLD>+++ b/main.c<RESET> + <CYAN>@@ -5,13 +5,6 @@<RESET> <RESET>printf("Hello ");<RESET> + printf("World\n");<RESET> + }<RESET> + <RESET> + <BRED>-int secure_foo(struct user *u)<RESET> + <BRED>-{<RESET> + <BLUE>-if (!u->is_allowed_foo)<RESET> + <BLUE>-return;<RESET> + <RED>-foo(u);<RESET> + <RED>-}<RESET> + <RED>-<RESET> + int main()<RESET> + {<RESET> + foo();<RESET> + <BOLD>diff --git a/test.c b/test.c<RESET> + <BOLD>index 1dc1d85..2bedec9 100644<RESET> + <BOLD>--- a/test.c<RESET> + <BOLD>+++ b/test.c<RESET> + <CYAN>@@ -4,6 +4,13 @@<RESET> <RESET>int bar()<RESET> + printf("Hello World, but different\n");<RESET> + }<RESET> + <RESET> + <BGREEN>+<RESET><BGREEN>int secure_foo(struct user *u)<RESET> + <BGREEN>+<RESET><BGREEN>{<RESET> + <GREEN>+<RESET><GREEN>foo(u);<RESET> + <BGREEN>+<RESET><BGREEN>if (!u->is_allowed_foo)<RESET> + <BGREEN>+<RESET><BGREEN>return;<RESET> + <GREEN>+<RESET><GREEN>}<RESET> + <GREEN>+<RESET> + int another_function()<RESET> + {<RESET> + bar();<RESET> + EOF + + test_cmp expected actual +' + +test_expect_success 'plain moved code, inside file' ' + test_config color.diff.oldMoved "normal red" && + test_config color.diff.newMoved "normal green" && + test_config color.diff.oldMovedAlternative "blue" && + test_config color.diff.newMovedAlternative "yellow" && + # needs previous test as setup + git diff HEAD --no-renames --color-moved=plain --color | test_decode_color >actual && + cat <<-\EOF >expected && + <BOLD>diff --git a/main.c b/main.c<RESET> + <BOLD>index 27a619c..7cf9336 100644<RESET> + <BOLD>--- a/main.c<RESET> + <BOLD>+++ b/main.c<RESET> + <CYAN>@@ -5,13 +5,6 @@<RESET> <RESET>printf("Hello ");<RESET> + printf("World\n");<RESET> + }<RESET> + <RESET> + <BRED>-int secure_foo(struct user *u)<RESET> + <BRED>-{<RESET> + <BRED>-if (!u->is_allowed_foo)<RESET> + <BRED>-return;<RESET> + <BRED>-foo(u);<RESET> + <BRED>-}<RESET> + <BRED>-<RESET> + int main()<RESET> + {<RESET> + foo();<RESET> + <BOLD>diff --git a/test.c b/test.c<RESET> + <BOLD>index 1dc1d85..2bedec9 100644<RESET> + <BOLD>--- a/test.c<RESET> + <BOLD>+++ b/test.c<RESET> + <CYAN>@@ -4,6 +4,13 @@<RESET> <RESET>int bar()<RESET> + printf("Hello World, but different\n");<RESET> + }<RESET> + <RESET> + <BGREEN>+<RESET><BGREEN>int secure_foo(struct user *u)<RESET> + <BGREEN>+<RESET><BGREEN>{<RESET> + <BGREEN>+<RESET><BGREEN>foo(u);<RESET> + <BGREEN>+<RESET><BGREEN>if (!u->is_allowed_foo)<RESET> + <BGREEN>+<RESET><BGREEN>return;<RESET> + <BGREEN>+<RESET><BGREEN>}<RESET> + <BGREEN>+<RESET> + int another_function()<RESET> + {<RESET> + bar();<RESET> + EOF + + test_cmp expected actual +' + +test_expect_success 'detect blocks of moved code' ' + git reset --hard && + cat <<-\EOF >lines.txt && + long line 1 + long line 2 + long line 3 + line 4 + line 5 + line 6 + line 7 + line 8 + line 9 + line 10 + line 11 + line 12 + line 13 + long line 14 + long line 15 + long line 16 + EOF + git add lines.txt && + git commit -m "add poetry" && + cat <<-\EOF >lines.txt && + line 4 + line 5 + line 6 + line 7 + line 8 + line 9 + long line 1 + long line 2 + long line 3 + long line 14 + long line 15 + long line 16 + line 10 + line 11 + line 12 + line 13 + EOF + 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=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> + <BOLD>+++ b/lines.txt<RESET> + <CYAN>@@ -1,16 +1,16 @@<RESET> + <BMAGENTA>-long line 1<RESET> + <BMAGENTA>-long line 2<RESET> + <BMAGENTA>-long line 3<RESET> + line 4<RESET> + line 5<RESET> + line 6<RESET> + line 7<RESET> + line 8<RESET> + line 9<RESET> + <BCYAN>+<RESET><BCYAN>long line 1<RESET> + <BCYAN>+<RESET><BCYAN>long line 2<RESET> + <CYAN>+<RESET><CYAN>long line 3<RESET> + <YELLOW>+<RESET><YELLOW>long line 14<RESET> + <BYELLOW>+<RESET><BYELLOW>long line 15<RESET> + <BYELLOW>+<RESET><BYELLOW>long line 16<RESET> + line 10<RESET> + line 11<RESET> + line 12<RESET> + line 13<RESET> + <BMAGENTA>-long line 14<RESET> + <BMAGENTA>-long line 15<RESET> + <BMAGENTA>-long line 16<RESET> + EOF + test_cmp expected actual +' + +test_expect_success 'cmd option assumes configured colored-moved' ' + 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" && + test_config diff.colorMoved zebra && + 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> + <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> + <YELLOW>+<RESET><YELLOW>long line 14<RESET> + <YELLOW>+<RESET><YELLOW>long line 15<RESET> + <YELLOW>+<RESET><YELLOW>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 'no effect from --color-moved with --word-diff' ' + cat <<-\EOF >text.txt && + Lorem Ipsum is simply dummy text of the printing and typesetting industry. + EOF + git add text.txt && + git commit -a -m "clean state" && + cat <<-\EOF >text.txt && + simply Lorem Ipsum dummy is text of the typesetting and printing industry. + EOF + git diff --color-moved --word-diff >actual && + git diff --word-diff >expect && + test_cmp expect actual +' + +test_expect_success 'set up whitespace tests' ' + git reset --hard && + # Note that these lines have no leading or trailing whitespace. + cat <<-\EOF >lines.txt && + line 1 + line 2 + line 3 + line 4 + line 5 + long line 6 + long line 7 + long line 8 + long line 9 + EOF + git add lines.txt && + git commit -m "add poetry" && + git config color.diff.oldMoved "magenta" && + git config color.diff.newMoved "cyan" +' + +test_expect_success 'move detection ignoring whitespace ' ' + q_to_tab <<-\EOF >lines.txt && + Qlong line 6 + Qlong line 7 + Qlong line 8 + Qchanged long line 9 + line 1 + line 2 + line 3 + line 4 + line 5 + EOF + 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> + <BOLD>+++ b/lines.txt<RESET> + <CYAN>@@ -1,9 +1,9 @@<RESET> + <GREEN>+<RESET> <GREEN>long line 6<RESET> + <GREEN>+<RESET> <GREEN>long line 7<RESET> + <GREEN>+<RESET> <GREEN>long line 8<RESET> + <GREEN>+<RESET> <GREEN>changed long line 9<RESET> + line 1<RESET> + line 2<RESET> + line 3<RESET> + line 4<RESET> + line 5<RESET> + <RED>-long line 6<RESET> + <RED>-long line 7<RESET> + <RED>-long line 8<RESET> + <RED>-long line 9<RESET> + EOF + test_cmp expected 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> + <BOLD>+++ b/lines.txt<RESET> + <CYAN>@@ -1,9 +1,9 @@<RESET> + <CYAN>+<RESET> <CYAN>long line 6<RESET> + <CYAN>+<RESET> <CYAN>long line 7<RESET> + <CYAN>+<RESET> <CYAN>long line 8<RESET> + <GREEN>+<RESET> <GREEN>changed long line 9<RESET> + line 1<RESET> + line 2<RESET> + line 3<RESET> + line 4<RESET> + line 5<RESET> + <MAGENTA>-long line 6<RESET> + <MAGENTA>-long line 7<RESET> + <MAGENTA>-long line 8<RESET> + <RED>-long line 9<RESET> + EOF + test_cmp expected actual +' + +test_expect_success 'move detection ignoring whitespace changes' ' + git reset --hard && + # Lines 6-8 have a space change, but 9 is new whitespace + q_to_tab <<-\EOF >lines.txt && + longQline 6 + longQline 7 + longQline 8 + long liQne 9 + line 1 + line 2 + line 3 + line 4 + line 5 + EOF + + 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> + <BOLD>+++ b/lines.txt<RESET> + <CYAN>@@ -1,9 +1,9 @@<RESET> + <GREEN>+<RESET><GREEN>long line 6<RESET> + <GREEN>+<RESET><GREEN>long line 7<RESET> + <GREEN>+<RESET><GREEN>long line 8<RESET> + <GREEN>+<RESET><GREEN>long li ne 9<RESET> + line 1<RESET> + line 2<RESET> + line 3<RESET> + line 4<RESET> + line 5<RESET> + <RED>-long line 6<RESET> + <RED>-long line 7<RESET> + <RED>-long line 8<RESET> + <RED>-long line 9<RESET> + EOF + test_cmp expected 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> + <BOLD>+++ b/lines.txt<RESET> + <CYAN>@@ -1,9 +1,9 @@<RESET> + <CYAN>+<RESET><CYAN>long line 6<RESET> + <CYAN>+<RESET><CYAN>long line 7<RESET> + <CYAN>+<RESET><CYAN>long line 8<RESET> + <GREEN>+<RESET><GREEN>long li ne 9<RESET> + line 1<RESET> + line 2<RESET> + line 3<RESET> + line 4<RESET> + line 5<RESET> + <MAGENTA>-long line 6<RESET> + <MAGENTA>-long line 7<RESET> + <MAGENTA>-long line 8<RESET> + <RED>-long line 9<RESET> + EOF + test_cmp expected actual +' + +test_expect_success 'move detection ignoring whitespace at eol' ' + git reset --hard && + # Lines 6-9 have new eol whitespace, but 9 also has it in the middle + q_to_tab <<-\EOF >lines.txt && + long line 6Q + long line 7Q + long line 8Q + longQline 9Q + line 1 + line 2 + line 3 + line 4 + line 5 + EOF + + # 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 >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>@@ -1,9 +1,9 @@<RESET> + <GREEN>+<RESET><GREEN>long line 6 <RESET> + <GREEN>+<RESET><GREEN>long line 7 <RESET> + <GREEN>+<RESET><GREEN>long line 8 <RESET> + <GREEN>+<RESET><GREEN>long line 9 <RESET> + line 1<RESET> + line 2<RESET> + line 3<RESET> + line 4<RESET> + line 5<RESET> + <RED>-long line 6<RESET> + <RED>-long line 7<RESET> + <RED>-long line 8<RESET> + <RED>-long line 9<RESET> + EOF + test_cmp expected 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> + <BOLD>+++ b/lines.txt<RESET> + <CYAN>@@ -1,9 +1,9 @@<RESET> + <CYAN>+<RESET><CYAN>long line 6 <RESET> + <CYAN>+<RESET><CYAN>long line 7 <RESET> + <CYAN>+<RESET><CYAN>long line 8 <RESET> + <GREEN>+<RESET><GREEN>long line 9 <RESET> + line 1<RESET> + line 2<RESET> + line 3<RESET> + line 4<RESET> + line 5<RESET> + <MAGENTA>-long line 6<RESET> + <MAGENTA>-long line 7<RESET> + <MAGENTA>-long line 8<RESET> + <RED>-long line 9<RESET> + EOF + test_cmp expected actual +' + +test_expect_success 'clean up whitespace-test colors' ' + git config --unset color.diff.oldMoved && + git config --unset color.diff.newMoved +' + +test_expect_success '--color-moved block at end of diff output respects MIN_ALNUM_COUNT' ' + git reset --hard && + >bar && + cat <<-\EOF >foo && + irrelevant_line + line1 + EOF + git add foo bar && + git commit -m x && + + cat <<-\EOF >bar && + line1 + EOF + cat <<-\EOF >foo && + irrelevant_line + EOF + + 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> + <BOLD>+++ b/bar<RESET> + <CYAN>@@ -0,0 +1 @@<RESET> + <GREEN>+<RESET><GREEN>line1<RESET> + <BOLD>diff --git a/foo b/foo<RESET> + <BOLD>--- a/foo<RESET> + <BOLD>+++ b/foo<RESET> + <CYAN>@@ -1,2 +1 @@<RESET> + irrelevant_line<RESET> + <RED>-line1<RESET> + EOF + + test_cmp expected actual +' + +test_expect_success '--color-moved respects MIN_ALNUM_COUNT' ' + git reset --hard && + cat <<-\EOF >foo && + nineteen chars 456789 + irrelevant_line + twenty chars 234567890 + EOF + >bar && + git add foo bar && + git commit -m x && + + cat <<-\EOF >foo && + irrelevant_line + EOF + cat <<-\EOF >bar && + twenty chars 234567890 + nineteen chars 456789 + EOF + + 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> + <BOLD>+++ b/bar<RESET> + <CYAN>@@ -0,0 +1,2 @@<RESET> + <BOLD;CYAN>+<RESET><BOLD;CYAN>twenty chars 234567890<RESET> + <GREEN>+<RESET><GREEN>nineteen chars 456789<RESET> + <BOLD>diff --git a/foo b/foo<RESET> + <BOLD>--- a/foo<RESET> + <BOLD>+++ b/foo<RESET> + <CYAN>@@ -1,3 +1 @@<RESET> + <RED>-nineteen chars 456789<RESET> + irrelevant_line<RESET> + <BOLD;MAGENTA>-twenty chars 234567890<RESET> + EOF + + test_cmp expected actual +' + +test_expect_success '--color-moved treats adjacent blocks as separate for MIN_ALNUM_COUNT' ' + git reset --hard && + cat <<-\EOF >foo && + 7charsA + irrelevant_line + 7charsB + 7charsC + EOF + >bar && + git add foo bar && + git commit -m x && + + cat <<-\EOF >foo && + irrelevant_line + EOF + cat <<-\EOF >bar && + 7charsB + 7charsC + 7charsA + EOF + + 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> + <BOLD>+++ b/bar<RESET> + <CYAN>@@ -0,0 +1,3 @@<RESET> + <GREEN>+<RESET><GREEN>7charsB<RESET> + <GREEN>+<RESET><GREEN>7charsC<RESET> + <GREEN>+<RESET><GREEN>7charsA<RESET> + <BOLD>diff --git a/foo b/foo<RESET> + <BOLD>--- a/foo<RESET> + <BOLD>+++ b/foo<RESET> + <CYAN>@@ -1,4 +1 @@<RESET> + <RED>-7charsA<RESET> + irrelevant_line<RESET> + <RED>-7charsB<RESET> + <RED>-7charsC<RESET> + EOF + + test_cmp expected actual +' + +test_expect_success 'move detection with submodules' ' + test_create_repo bananas && + echo ripe >bananas/recipe && + git -C bananas add recipe && + test_commit fruit && + test_commit -C bananas recipe && + git submodule add ./bananas && + git add bananas && + git commit -a -m "bananas are like a heavy library?" && + echo foul >bananas/recipe && + echo ripe >fruit.t && + + git diff --submodule=diff --color-moved --color >actual && + + # no move detection as the moved line is across repository boundaries. + test_decode_color <actual >decoded_actual && + ! grep BGREEN decoded_actual && + ! grep BRED decoded_actual && + + # nor did we mess with it another way + git diff --submodule=diff --color | test_decode_color >expect && + 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 |