Merge branch 'kc/maint-diff-bwi-fix'

* kc/maint-diff-bwi-fix:
Fix combined use of whitespace ignore options to diff

diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index dbb608cf79cf8f0ae7cc512f2007236ab953ff99..6d13da30dad5a78fb17a01e86ef33072ea9e6250 100755 (executable)
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -99,11 +99,11 @@ EOF
 git diff -w > out
 test_expect_success 'another test, with -w' 'test_cmp expect out'
 git diff -w -b > out
-test_expect_failure 'another test, with -w -b' 'test_cmp expect out'
+test_expect_success 'another test, with -w -b' 'test_cmp expect out'
 git diff -w --ignore-space-at-eol > out
-test_expect_failure 'another test, with -w --ignore-space-at-eol' 'test_cmp expect 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_failure 'another test, with -w -b --ignore-space-at-eol' 'test_cmp expect 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
@@ -123,7 +123,7 @@ 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_failure 'another test, with -b --ignore-space-at-eol' 'test_cmp expect 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

diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index d7974d1a3e612a235b0c8adfde08ba802e782b5a..04ad468702209b77427e635370d41001986042ce 100644 (file)
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -245,12 +245,14 @@ static unsigned long xdl_hash_record_with_whitespace(char const **data,
                        while (ptr + 1 < top && isspace(ptr[1])
                                        && ptr[1] != '\n')
                                ptr++;
-                       if (flags & XDF_IGNORE_WHITESPACE_CHANGE
+                       if (flags & XDF_IGNORE_WHITESPACE)
+                               ; /* already handled */
+                       else if (flags & XDF_IGNORE_WHITESPACE_CHANGE
                                        && ptr[1] != '\n') {
                                ha += (ha << 5);
                                ha ^= (unsigned long) ' ';
                        }
-                       if (flags & XDF_IGNORE_WHITESPACE_AT_EOL
+                       else if (flags & XDF_IGNORE_WHITESPACE_AT_EOL
                                        && ptr[1] != '\n') {
                                while (ptr2 != ptr + 1) {
                                        ha += (ha << 5);