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143 lines
5.1 KiB
Groff
143 lines
5.1 KiB
Groff
9 years ago
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'\" t
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.\" Title: git-hyper-blame
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.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
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.\" Date: 01/28/2016
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.\" Manual: Chromium depot_tools Manual
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.\" Source: depot_tools 7143379
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.\" Language: English
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.\"
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.TH "GIT\-HYPER\-BLAME" "1" "01/28/2016" "depot_tools 7143379" "Chromium depot_tools Manual"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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git-hyper-blame \- Like git blame, but with the ability to ignore or bypass certain commits\&.
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.SH "SYNOPSIS"
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.sp
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.nf
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\fIgit hyper\-blame\fR [\-i <rev> [\-i <rev> \&...]] [<rev>] [\-\-] <file>
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.fi
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.sp
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.SH "DESCRIPTION"
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.sp
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git hyper\-blame is like git blame but it can ignore or "look through" a given set of commits, to find the real culprit\&.
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.sp
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This is useful if you have a commit that makes sweeping changes that are unlikely to be what you are looking for in a blame, such as mass reformatting or renaming\&. By adding these commits to the hyper\-blame ignore list, git hyper\-blame will look past these commits to find the previous commit that touched a given line\&.
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.sp
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Follows the normal blame syntax: annotates <file> with the revision that last modified each line\&. Optional <rev> specifies the revision of <file> to start from\&.
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.SH "OPTIONS"
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.PP
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\-i <rev>
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.RS 4
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A revision to ignore\&. Can be specified as many times as needed\&.
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.RE
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.SH "EXAMPLE"
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.sp
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Let\(cqs run git blame on a file:
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.sp
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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\fB$ git blame ipsum\&.txt\fR
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c6eb3bfa (lorem 2014\-08\-11 23:15:57 +0000 1) LOREM IPSUM DOLOR SIT AMET, CONSECTETUR
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3ddda43c (auto\-uppercaser 2014\-07\-05 02:05:18 +0000 2) ADIPISCING ELIT, SED DO EIUSMOD TEMPOR
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3ddda43c (auto\-uppercaser 2014\-07\-05 02:05:18 +0000 3) INCIDIDUNT UT LABORE ET DOLORE MAGNA
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3ddda43c (auto\-uppercaser 2014\-07\-05 02:05:18 +0000 4) ALIQUA\&. UT ENIM AD MINIM VENIAM, QUIS
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c6eb3bfa (lorem 2014\-08\-11 23:15:57 +0000 5) NOSTRUD EXERCITATION ULLAMCO LABORIS
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3ddda43c (auto\-uppercaser 2014\-07\-05 02:05:18 +0000 6) NISI UT ALIQUIP EX EA COMMODO CONSEQUAT\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.sp
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Notice that almost the entire file has been blamed on a formatting change? You aren\(cqt interested in the uppercasing of the file\&. You want to know who wrote/modified those lines in the first place\&. Just tell hyper\-blame to ignore that commit:
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.sp
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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\fB$ git hyper\-blame \-i 3ddda43c ipsum\&.txt\fR
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c6eb3bfa (lorem 2014\-08\-11 23:15:57 +0000 1) LOREM IPSUM DOLOR SIT AMET, CONSECTETUR
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134200d1 (lorem 2014\-04\-10 08:54:46 +0000 2*) ADIPISCING ELIT, SED DO EIUSMOD TEMPOR
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a34a1d0d (ipsum 2014\-04\-11 11:25:04 +0000 3*) INCIDIDUNT UT LABORE ET DOLORE MAGNA
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134200d1 (lorem 2014\-04\-10 08:54:46 +0000 4*) ALIQUA\&. UT ENIM AD MINIM VENIAM, QUIS
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c6eb3bfa (lorem 2014\-08\-11 23:15:57 +0000 5) NOSTRUD EXERCITATION ULLAMCO LABORIS
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0f0d17bd (dolor 2014\-06\-02 11:31:48 +0000 6*) NISI UT ALIQUIP EX EA COMMODO CONSEQUAT\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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.sp
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hyper\-blame places a * next to any line where it has skipped over an ignored commit, so you know that the line in question has been changed (by an ignored commit) since the given person wrote it\&.
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.SH "BUGS"
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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When a commit is ignored, hyper\-blame currently just blames the same line in the previous version of the file\&. This can be wildly inaccurate if the ignored commit adds or removes lines, resulting in a completely wrong commit being blamed\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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There is currently no way to pass the ignore list as a file\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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It should be possible for a git repository to configure an automatic list of commits to ignore (like
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\&.gitignore), so that project owners can maintain a list of "big change" commits that are ignored by hyper\-blame by default\&.
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.RE
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.SH "SEE ALSO"
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.sp
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\fBgit-blame\fR(1)
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.SH "CHROMIUM DEPOT_TOOLS"
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.sp
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Part of the chromium \fBdepot_tools\fR(7) suite\&. These tools are meant to assist with the development of chromium and related projects\&. Download the tools from \m[blue]\fBhere\fR\m[]\&\s-2\u[1]\d\s+2\&.
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.SH "NOTES"
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.IP " 1." 4
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here
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.RS 4
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\%https://chromium.googlesource.com/chromium/tools/depot_tools.git
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.RE
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