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line-range: teach -L^/RE/ to search from start of file

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The -L/RE/ option of blame/log searches from the end of the previous -L
range, if any. Add new notation -L^/RE/ to override this behavior and
search from start of file.

The new ^/RE/ syntax is valid only as the <start> argument of
-L<start>,<end>. The <end> argument, as usual, is relative to <start>.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Eric Sunshine
2013-08-06 09:59:45 -04:00
committed by Junio C Hamano
parent 0bc2cdd550
commit a6ac5f9864
3 changed files with 30 additions and 2 deletions
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21
t/annotate-tests.sh
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@ -323,6 +323,23 @@ test_expect_success 'blame -L /RE/ (relative: end-of-file)' '
test_must_fail $PROG -L, -L/$/ file
'
test_expect_success 'blame -L ^/RE/ (absolute)' '
check_count -L3,3 -L^/dog/,+2 A 1 B2 1
'
test_expect_success 'blame -L ^/RE/ (absolute: no preceding range)' '
check_count -L^/dog/,+2 A 1 B2 1
'
test_expect_success 'blame -L ^/RE/ (absolute: not found)' '
test_must_fail $PROG -L4,4 -L^/tambourine/ file
'
test_expect_success 'blame -L ^/RE/ (absolute: end-of-file)' '
n=$(expr $(wc -l <file) + 1) &&
check_count -L$n -L^/$/,+2 A 1 C 1 E 1
'
test_expect_success 'setup -L :regex' '
tr Q "\\t" >hello.c <<-\EOF &&
int main(int argc, const char *argv[])
@ -464,3 +481,7 @@ test_expect_success 'blame -L X,+N (non-numeric N)' '
test_expect_success 'blame -L X,-N (non-numeric N)' '
test_must_fail $PROG -L1,-N file
'
test_expect_success 'blame -L ,^/RE/' '
test_must_fail $PROG -L1,^/99/ file
'