[PATCH 12/12] some document update
Signed-off-by: Bo Yang <struggleyb.nku@gmail.com>
---
Documentation/git-log.txt | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt
index 0e6ff31..14a9703 100644
--- a/Documentation/git-log.txt
+++ b/Documentation/git-log.txt
@@ -9,6 +9,7 @@ git-log - Show commit logs
SYNOPSIS
--------
'git log' [<options>] [<since>..<until>] [[\--] <path>...]
+'git log' [<options>] -L n,m <path>
DESCRIPTION
-----------
@@ -19,6 +20,9 @@ command to control what is shown and how, and options applicable to
the 'git diff-*' commands to control how the changes
each commit introduces are shown.
+With '-L' option, the command will help to trace the history of user specified
+line ranges. It can trace multiple ranges coming from multiple files.
+
OPTIONS
-------
@@ -72,6 +76,32 @@ include::diff-options.txt[]
to be prefixed with "\-- " to separate them from options or
refnames.
+-L <start>,<end>::
+ The line range. <start> and <end> can take one of these forms:
+
+- 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>.
++
+
+--always-print::
+ Always print the interesting range even if the current commit
+ does not change any line of the range.
+
include::rev-list-options.txt[]
--
1.7.1.577.g36cf0.dirty
Bo Yang <struggleyb.nku@gmail.com>