'
. ./test-lib.sh
-. ../diff-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh
# Ray Lehtiniemi's example
EOF
git diff > out
-test_expect_success "Ray's example without options" 'git diff expect out'
+test_expect_success "Ray's example without options" 'test_cmp expect out'
git diff -w > out
-test_expect_success "Ray's example with -w" 'git diff expect out'
+test_expect_success "Ray's example with -w" 'test_cmp expect out'
git diff -b > out
-test_expect_success "Ray's example with -b" 'git diff expect out'
+test_expect_success "Ray's example with -b" 'test_cmp expect out'
tr 'Q' '\015' << EOF > x
whitespace at beginning
git update-index x
-cat << EOF > x
+tr '_' ' ' << EOF > x
whitespace at beginning
whitespace change
white space in the middle
-whitespace at end
+whitespace at end__
unchanged line
CR at end
EOF
-tr 'Q' '\015' << EOF > expect
+tr 'Q_' '\015 ' << EOF > expect
diff --git a/x b/x
index d99af23..8b32fb5 100644
--- a/x
+ whitespace at beginning
+whitespace change
+white space in the middle
-+whitespace at end
++whitespace at end__
unchanged line
-CR at endQ
+CR at end
EOF
git diff > out
-test_expect_success 'another test, without options' 'git diff expect out'
+test_expect_success 'another test, without options' 'test_cmp expect out'
cat << EOF > expect
-diff --git a/x b/x
-index d99af23..8b32fb5 100644
EOF
git diff -w > out
-test_expect_success 'another test, with -w' 'git diff expect out'
-
-tr 'Q' '\015' << EOF > expect
+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
@@ -1,6 +1,6 @@
-whitespace at beginning
+ whitespace at beginning
- whitespace change
+ whitespace change
-whitespace in the middle
+white space in the middle
- whitespace at end
+ whitespace at end__
unchanged line
- CR at endQ
+ CR at end
EOF
git diff -b > out
-test_expect_success 'another test, with -b' 'git diff expect 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'
test_expect_success 'check mixed spaces and tabs in indent' '
# This is indented with SP HT SP.
echo " foo();" > x &&
- git diff --check | grep "space before tab"
+ 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 &&
+ git diff --check | grep "space before tab in indent"
'
'
-test_expect_failure 'check with trailing whitespace' '
+test_expect_success 'check with trailing whitespace' '
echo "foo(); " > x &&
- git diff --check
+ test_must_fail git diff --check
'
-test_expect_failure 'check with space before tab in indent' '
+test_expect_success 'check with space before tab in indent' '
# indent has space followed by hard tab
echo " foo();" > x &&
- git diff --check
+ test_must_fail git diff --check
'
'
-test_expect_failure 'check staged with trailing whitespace' '
+test_expect_success 'check staged with trailing whitespace' '
echo "foo(); " > x &&
git add x &&
- git diff --cached --check
+ test_must_fail git diff --cached --check
'
-test_expect_failure 'check staged with space before tab in indent' '
+test_expect_success 'check staged with space before tab in indent' '
# indent has space followed by hard tab
echo " foo();" > x &&
git add x &&
- git diff --cached --check
+ test_must_fail git diff --cached --check
'
'
-test_expect_failure 'check with trailing whitespace (diff-index)' '
+test_expect_success 'check with trailing whitespace (diff-index)' '
echo "foo(); " > x &&
git add x &&
- git diff-index --check HEAD
+ test_must_fail git diff-index --check HEAD
'
-test_expect_failure 'check with space before tab in indent (diff-index)' '
+test_expect_success 'check with space before tab in indent (diff-index)' '
# indent has space followed by hard tab
echo " foo();" > x &&
git add x &&
- git diff-index --check HEAD
+ test_must_fail git diff-index --check HEAD
'
'
-test_expect_failure 'check staged with trailing whitespace (diff-index)' '
+test_expect_success 'check staged with trailing whitespace (diff-index)' '
echo "foo(); " > x &&
git add x &&
- git diff-index --cached --check HEAD
+ test_must_fail git diff-index --cached --check HEAD
'
-test_expect_failure 'check staged with space before tab in indent (diff-index)' '
+test_expect_success 'check staged with space before tab in indent (diff-index)' '
# indent has space followed by hard tab
echo " foo();" > x &&
git add x &&
- git diff-index --cached --check HEAD
+ test_must_fail git diff-index --cached --check HEAD
'
'
-test_expect_failure 'check with trailing whitespace (diff-tree)' '
+test_expect_success 'check with trailing whitespace (diff-tree)' '
echo "foo(); " > x &&
git commit -m "another commit" x &&
- git diff-tree --check HEAD^ HEAD
+ test_must_fail git diff-tree --check HEAD^ HEAD
'
-test_expect_failure 'check with space before tab in indent (diff-tree)' '
+test_expect_success 'check with space before tab in indent (diff-tree)' '
# indent has space followed by hard tab
echo " foo();" > x &&
git commit -m "yet another" x &&
- git diff-tree --check HEAD^ HEAD
+ test_must_fail git diff-tree --check HEAD^ HEAD
+
+'
+
+test_expect_success 'check trailing whitespace (trailing-space: off)' '
+
+ git config core.whitespace "-trailing-space" &&
+ echo "foo (); " > x &&
+ git diff --check
+
+'
+
+test_expect_success 'check trailing whitespace (trailing-space: on)' '
+
+ git config core.whitespace "trailing-space" &&
+ 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 &&
+ 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 &&
+ 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 &&
+ 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 &&
+ 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 &&
+ 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 &&
+ git diff --check
+
+'
+
+test_expect_success 'check tabs as indentation (tab-in-indent: on)' '
+
+ git config core.whitespace "tab-in-indent" &&
+ 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 &&
+ 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 &&
+ 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 &&
+ git diff --check &&
+ rm -f .gitattributes
+
+'
+
+test_expect_success 'line numbers in --check output are correct' '
+
+ echo "" > x &&
+ echo "foo(); " >> x &&
+ git diff --check | grep "x:2:"
+
+'
+
+test_expect_success 'checkdiff detects new trailing blank lines (1)' '
+ echo "foo();" >x &&
+ echo "" >>x &&
+ git diff --check | grep "new blank line"
+'
+
+test_expect_success 'checkdiff detects new trailing blank lines (2)' '
+ { echo a; echo b; echo; echo; } >x &&
+ git add x &&
+ { echo a; echo; echo; echo; echo; } >x &&
+ git diff --check | grep "new blank line"
+'
+
+test_expect_success 'checkdiff allows new blank lines' '
+ git checkout x &&
+ mv x y &&
+ (
+ echo "/* This is new */" &&
+ echo "" &&
+ cat y
+ ) >x &&
+ git diff --check
+'
+
+cat <<EOF >expect
+EOF
+test_expect_success 'whitespace-only changes not reported' '
+ git reset --hard &&
+ echo >x "hello world" &&
+ git add x &&
+ git commit -m "hello 1" &&
+ echo >x "hello world" &&
+ git diff -b >actual &&
+ test_cmp expect actual
+'
+
+cat <<EOF >expect
+diff --git a/x b/z
+similarity index NUM%
+rename from x
+rename to z
+index 380c32a..a97b785 100644
+EOF
+test_expect_success 'whitespace-only changes reported across renames' '
+ git reset --hard &&
+ for i in 1 2 3 4 5 6 7 8 9; do echo "$i$i$i$i$i$i"; done >x &&
+ git add x &&
+ git commit -m "base" &&
+ sed -e "5s/^/ /" x >z &&
+ git rm x &&
+ git add z &&
+ git diff -w -M --cached |
+ sed -e "/^similarity index /s/[0-9][0-9]*/NUM/" >actual &&
+ test_cmp expect actual
+'
+
+cat >expected <<\EOF
+diff --git a/empty b/void
+similarity index 100%
+rename from empty
+rename to void
+EOF
+
+test_expect_success 'rename empty' '
+ git reset --hard &&
+ >empty &&
+ git add empty &&
+ git commit -m empty &&
+ git mv empty void &&
+ git diff -w --cached -M >current &&
+ test_cmp expected current
+'
+
+test_expect_success 'combined diff with autocrlf conversion' '
+
+ git reset --hard &&
+ echo >x hello &&
+ git commit -m "one side" x &&
+ git checkout HEAD^ &&
+ echo >x goodbye &&
+ git commit -m "the other side" x &&
+ git config core.autocrlf true &&
+ test_must_fail git merge master &&
+
+ git diff | sed -e "1,/^@@@/d" >actual &&
+ ! grep "^-" actual
+
+'
+
+# 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 &&
+ git config color.diff.func normal &&
+ 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 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 &&
+ git commit -m "initial" x &&
+ echo "{NTN}" | tr "NT" "\n\t" >> x &&
+ git -c color.diff=always diff | test_decode_color >current &&
+ test_cmp expected current
'
test_done