checkout -m --conflict=diff3: add a label for ancestor

diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index b1cbd36d1710a38b94838a2fdf08e0e5ded431f8..90f33423731a84310caf92780482a44f8d2f32d8 100755 (executable)
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -7,7 +7,7 @@ test_description='Test special whitespace in diff engine.
 
 '
 . ./test-lib.sh
-. ../diff-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh
 
 # Ray Lehtiniemi's example
 
@@ -93,11 +93,15 @@ git diff > 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' '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
@@ -116,6 +120,27 @@ index d99af23..8b32fb5 100644
 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 endQ
+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' '
 
@@ -335,10 +360,17 @@ test_expect_success 'line numbers in --check output are correct' '
 
 '
 
-test_expect_success 'checkdiff detects trailing blank lines' '
+test_expect_success 'checkdiff detects new trailing blank lines (1)' '
        echo "foo();" >x &&
        echo "" >>x &&
-       git diff --check | grep "ends with blank"
+       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' '
@@ -352,6 +384,18 @@ 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" &&
+       git add x &&
+       git commit -m "hello 1" &&
+       echo >x "hello  world" &&
+       git diff -b >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'combined diff with autocrlf conversion' '
 
        git reset --hard &&