grep: fix word-regexp at the beginning of lines
After bol is forwarded, it doesn't represent the beginning of the line
any more. This means that the beginning-of-line marker (^) mustn't match,
i.e. the regex flag REG_NOTBOL needs to be set.
This bug was introduced by fb62eb7fab
("grep -w: forward to next possible position after rejected match").
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
parent
e701fadb9e
commit
dbb6a4ada6
1
grep.c
1
grep.c
@ -360,6 +360,7 @@ static int match_one_pattern(struct grep_pat *p, char *bol, char *eol,
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bol = pmatch[0].rm_so + bol + 1;
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while (word_char(bol[-1]) && bol < eol)
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bol++;
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eflags |= REG_NOTBOL;
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if (bol < eol)
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goto again;
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}
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@ -16,12 +16,13 @@ test_expect_success setup '
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echo foo mmap bar_mmap
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echo foo_mmap bar mmap baz
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} >file &&
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echo ww w >w &&
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echo x x xx x >x &&
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echo y yy >y &&
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echo zzz > z &&
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mkdir t &&
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echo test >t/t &&
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git add file x y z t/t &&
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git add file w x y z t/t &&
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test_tick &&
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git commit -m initial
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'
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@ -48,6 +49,12 @@ do
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diff expected actual
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'
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test_expect_success "grep -w $L (w)" '
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: >expected &&
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! git grep -n -w -e "^w" >actual &&
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test_cmp expected actual
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'
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test_expect_success "grep -w $L (x)" '
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{
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echo ${HC}x:1:x x xx x
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