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25ed3412f8
We want to use the same style of -L n,m argument for 'git log -L' as for git-blame. Refactor the argument parsing of the range arguments from builtin/blame.c to the (new) file that will hold the 'git log -L' logic. To accommodate different data structures in blame and log -L, the file contents are abstracted away; parse_range_arg takes a callback that it uses to get the contents of a line of the (notional) file. The new test is for a case that made me pause during debugging: the 'blame -L with invalid end' test was the only one that noticed an outright failure to parse the end *at all*. So make a more explicit test for that. Signed-off-by: Bo Yang <struggleyb.nku@gmail.com> Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
19 lines
395 B
Plaintext
19 lines
395 B
Plaintext
- number
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If <start> or <end> is a number, it specifies an
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absolute line number (lines count from 1).
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- /regex/
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This form will use the first line matching the given
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POSIX regex. If <end> is a regex, it will search
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starting at the line given by <start>.
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+
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- +offset or -offset
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This is only valid for <end> and will specify a number
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of lines before or after the line given by <start>.
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