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git/Documentation/line-range-format.txt

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line-range-format.txt: clarify -L:regex usage form blame/log documentation describes -L option as: -L<start>,<end> -L:<regex> <start> and <end> can take one of these forms: * number * /regex/ * +offset or -offset * :regex which is incorrect and confusing since :regex is not one of the valid forms of <start> or <end>; in fact, it must be -L's lone argument. Clarify by discussing :<regex> at the same indentation level as "<start> and <end>...": -L<start>,<end> -L:<regex> <start> and <end> can take one of these forms: * number * /regex/ * +offset or -offset If :<regex> is given in place of <start> and <end> ... Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-06 15:59:35 +02:00
<start> and <end> can take one of these forms:
Refactor parse_loc 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>
2013-03-28 17:47:30 +01:00
- number
+
If <start> or <end> is a number, it specifies an
absolute line number (lines count from 1).
+
- /regex/
+
This form will use the first line matching the given
POSIX regex. If <end> is a regex, it will search
starting at the line given by <start>.
+
- +offset or -offset
+
This is only valid for <end> and will specify a number
of lines before or after the line given by <start>.
log -L: :pattern:file syntax to find by funcname This new syntax finds a funcname matching /pattern/, and then takes from there up to (but not including) the next funcname. So you can say git log -L:main:main.c and it will dig up the main() function and show its line-log, provided there are no other funcnames matching 'main'. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-28 17:47:33 +01:00
+
line-range-format.txt: clarify -L:regex usage form blame/log documentation describes -L option as: -L<start>,<end> -L:<regex> <start> and <end> can take one of these forms: * number * /regex/ * +offset or -offset * :regex which is incorrect and confusing since :regex is not one of the valid forms of <start> or <end>; in fact, it must be -L's lone argument. Clarify by discussing :<regex> at the same indentation level as "<start> and <end>...": -L<start>,<end> -L:<regex> <start> and <end> can take one of these forms: * number * /regex/ * +offset or -offset If :<regex> is given in place of <start> and <end> ... Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-06 15:59:35 +02:00
If ``:<regex>'' is given in place of <start> and <end>, it denotes the range
log -L: :pattern:file syntax to find by funcname This new syntax finds a funcname matching /pattern/, and then takes from there up to (but not including) the next funcname. So you can say git log -L:main:main.c and it will dig up the main() function and show its line-log, provided there are no other funcnames matching 'main'. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-28 17:47:33 +01:00
from the first funcname line that matches <regex>, up to the next
funcname line.
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