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xdiff: -W: don't include common trailing empty lines in context

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Empty lines between functions are shown by diff -W, as it considers them
to be part of the function preceding them.  They are not interesting in
most languages.  The previous patch stopped showing them in the special
case of a function added at the end of a file.

Stop extending context to those empty lines by skipping back over them
from the start of the next function.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2016-05-28 17:03:16 +02:00
committed by Junio C Hamano
parent 392f6d3166
commit 9e6a4cfc38
2 changed files with 4 additions and 2 deletions
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4
t/t4051-diff-function-context.sh
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@ -85,7 +85,7 @@ test_expect_success ' context does not include preceding empty lines' '
test "$(first_context_line <changed_hello.diff)" != " "
'
test_expect_failure ' context does not include trailing empty lines' '
test_expect_success ' context does not include trailing empty lines' '
test "$(last_context_line <changed_hello.diff)" != " "
'
@ -103,7 +103,7 @@ test_expect_success ' context does not include other functions' '
test $(grep -c "^[ +-].*Begin" changed_includes.diff) -le 1
'
test_expect_failure ' context does not include trailing empty lines' '
test_expect_success ' context does not include trailing empty lines' '
test "$(last_context_line <changed_includes.diff)" != " "
'