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2020-11-01doc: add more pointers to gitattributes(5) for userdiffLibravatar Philippe Blain1-1/+3
Several Git commands can make use of the builtin userdiff patterns, but it's not obvious in the documentation. Add pointers to the 'Defining a custom hunk header' part of gitattributes(5) in the description of the following options: - the '--function-context' option of `git diff` and friends - the '--function-context' option of `git grep` - the '-L :<funcname>' option of `git log`, `gitk` and `git blame` In 'git-grep.txt', take the opportunity to use backticks in the description of '--show-function', and improve the wording of the desription of '--function-context'. Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-11-01doc: line-range: improve formattingLibravatar Philippe Blain1-12/+12
Improve the formatting of the description of the line-range option '-L' for `git log`, `gitk` and `git blame`: - Use bold for <start>, <end> and <funcname> - Use backticks for literals Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-04-20Documentation: change -L:<regex> to -L:<funcname>Libravatar Matthieu Moy1-5/+6
The old wording was somehow implying that <start> and <end> were not regular expressions. Also, the common case is to use a plain function name here so <funcname> makes sense (the fact that it is a regular expression is documented in line-range-format.txt). Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-06line-range: teach -L^:RE to search from start of fileLibravatar Eric Sunshine1-0/+1
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. Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-06line-range: teach -L:RE to search from end of previous -L rangeLibravatar Eric Sunshine1-1/+2
For consistency with -L/RE/, teach -L:RE to search relative to the end of the previous -L range, if any. The new behavior invalidates one test in t4211 which assumes that -L:RE begins searching at start of file. This test will be resurrected in a follow-up patch which teaches -L:RE how to override the default relative search behavior. Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-06line-range: teach -L^/RE/ to search from start of fileLibravatar Eric Sunshine1-0/+1
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>
2013-08-06line-range-format.txt: document -L/RE/ relative searchLibravatar Eric Sunshine1-1/+3
Option -L/RE/ of blame/log now searches relative to the previous -L range, if any. Document this. Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-06line-range-format.txt: clarify -L:regex usage formLibravatar Eric Sunshine1-4/+3
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>
2013-03-28log -L: :pattern:file syntax to find by funcnameLibravatar Thomas Rast1-0/+7
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>
2013-03-28Refactor parse_locLibravatar Bo Yang1-0/+18
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>