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

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* kc/maint-diff-bwi-fix:
  Fix combined use of whitespace ignore options to diff
  test more combinations of ignore-whitespace options to diff
This commit is contained in:
Junio C Hamano 2009-02-05 17:52:22 -08:00
commit 8c4c286c39
2 changed files with 31 additions and 2 deletions
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27
t/t4015-diff-whitespace.sh
View File

@ -98,6 +98,12 @@ 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 +122,27 @@ 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' '

6
xdiff/xutils.c
View File

@ -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);