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GIT-WHATCHANGED(1)			    Git Manual			       GIT-WHATCHANGED(1)

NAME
       git-whatchanged - Show logs with difference each commit introduces

SYNOPSIS
       git whatchanged <option>...

DESCRIPTION
       Shows commit logs and diff output each commit introduces. The command internally invokes
       git rev-list piped to git diff-tree, and takes command line options for both of these
       commands.

       This manual page describes only the most frequently used options.

OPTIONS
       -p
	   Show textual diffs, instead of the Git internal diff output format that is useful only
	   to tell the changed paths and their nature of changes.

       -<n>
	   Limit output to <n> commits.

       <since>..<until>
	   Limit output to between the two named commits (bottom exclusive, top inclusive).

       -r
	   Show Git internal diff output, but for the whole tree, not just the top level.

       -m
	   By default, differences for merge commits are not shown. With this flag, show
	   differences to that commit from all of its parents.

	   However, it is not very useful in general, although it is useful on a file-by-file
	   basis.

       --pretty[=<format>], --format=<format>
	   Pretty-print the contents of the commit logs in a given format, where <format> can be
	   one of oneline, short, medium, full, fuller, email, raw and format:<string>. See the
	   "PRETTY FORMATS" section for some additional details for each format. When omitted,
	   the format defaults to medium.

	   Note: you can specify the default pretty format in the repository configuration (see
	   git-config(1)).

       --abbrev-commit
	   Instead of showing the full 40-byte hexadecimal commit object name, show only a
	   partial prefix. Non default number of digits can be specified with "--abbrev=<n>"
	   (which also modifies diff output, if it is displayed).

	   This should make "--pretty=oneline" a whole lot more readable for people using
	   80-column terminals.

       --no-abbrev-commit
	   Show the full 40-byte hexadecimal commit object name. This negates --abbrev-commit and
	   those options which imply it such as "--oneline". It also overrides the
	   log.abbrevCommit variable.

       --oneline
	   This is a shorthand for "--pretty=oneline --abbrev-commit" used together.

       --encoding[=<encoding>]
	   The commit objects record the encoding used for the log message in their encoding
	   header; this option can be used to tell the command to re-code the commit log message
	   in the encoding preferred by the user. For non plumbing commands this defaults to
	   UTF-8.

       --notes[=<ref>]
	   Show the notes (see git-notes(1)) that annotate the commit, when showing the commit
	   log message. This is the default for git log, git show and git whatchanged commands
	   when there is no --pretty, --format nor --oneline option given on the command line.

	   By default, the notes shown are from the notes refs listed in the core.notesRef and
	   notes.displayRef variables (or corresponding environment overrides). See git-config(1)
	   for more details.

	   With an optional <ref> argument, show this notes ref instead of the default notes
	   ref(s). The ref is taken to be in refs/notes/ if it is not qualified.

	   Multiple --notes options can be combined to control which notes are being displayed.
	   Examples: "--notes=foo" will show only notes from "refs/notes/foo"; "--notes=foo
	   --notes" will show both notes from "refs/notes/foo" and from the default notes ref(s).

       --no-notes
	   Do not show notes. This negates the above --notes option, by resetting the list of
	   notes refs from which notes are shown. Options are parsed in the order given on the
	   command line, so e.g. "--notes --notes=foo --no-notes --notes=bar" will only show
	   notes from "refs/notes/bar".

       --show-notes[=<ref>], --[no-]standard-notes
	   These options are deprecated. Use the above --notes/--no-notes options instead.

       --show-signature
	   Check the validity of a signed commit object by passing the signature to gpg --verify
	   and show the output.

PRETTY FORMATS
       If the commit is a merge, and if the pretty-format is not oneline, email or raw, an
       additional line is inserted before the Author: line. This line begins with "Merge: " and
       the sha1s of ancestral commits are printed, separated by spaces. Note that the listed
       commits may not necessarily be the list of the direct parent commits if you have limited
       your view of history: for example, if you are only interested in changes related to a
       certain directory or file.

       There are several built-in formats, and you can define additional formats by setting a
       pretty.<name> config option to either another format name, or a format: string, as
       described below (see git-config(1)). Here are the details of the built-in formats:

       o   oneline

	       <sha1> <title line>

	   This is designed to be as compact as possible.

       o   short

	       commit <sha1>
	       Author: <author>

	       <title line>

       o   medium

	       commit <sha1>
	       Author: <author>
	       Date:   <author date>

	       <title line>

	       <full commit message>

       o   full

	       commit <sha1>
	       Author: <author>
	       Commit: <committer>

	       <title line>

	       <full commit message>

       o   fuller

	       commit <sha1>
	       Author:	   <author>
	       AuthorDate: <author date>
	       Commit:	   <committer>
	       CommitDate: <committer date>

	       <title line>

	       <full commit message>

       o   email

	       From <sha1> <date>
	       From: <author>
	       Date: <author date>
	       Subject: [PATCH] <title line>

	       <full commit message>

       o   raw

	   The raw format shows the entire commit exactly as stored in the commit object.
	   Notably, the SHA-1s are displayed in full, regardless of whether --abbrev or
	   --no-abbrev are used, and parents information show the true parent commits, without
	   taking grafts nor history simplification into account.

       o   format:<string>

	   The format:<string> format allows you to specify which information you want to show.
	   It works a little bit like printf format, with the notable exception that you get a
	   newline with %n instead of \n.

	   E.g, format:"The author of %h was %an, %ar%nThe title was >>%s<<%n" would show
	   something like this:

	       The author of fe6e0ee was Junio C Hamano, 23 hours ago
	       The title was >>t4119: test autocomputing -p<n> for traditional diff input.<<

	   The placeholders are:

	   o   %H: commit hash

	   o   %h: abbreviated commit hash

	   o   %T: tree hash

	   o   %t: abbreviated tree hash

	   o   %P: parent hashes

	   o   %p: abbreviated parent hashes

	   o   %an: author name

	   o   %aN: author name (respecting .mailmap, see git-shortlog(1) or git-blame(1))

	   o   %ae: author email

	   o   %aE: author email (respecting .mailmap, see git-shortlog(1) or git-blame(1))

	   o   %ad: author date (format respects --date= option)

	   o   %aD: author date, RFC2822 style

	   o   %ar: author date, relative

	   o   %at: author date, UNIX timestamp

	   o   %ai: author date, ISO 8601 format

	   o   %cn: committer name

	   o   %cN: committer name (respecting .mailmap, see git-shortlog(1) or git-blame(1))

	   o   %ce: committer email

	   o   %cE: committer email (respecting .mailmap, see git-shortlog(1) or git-blame(1))

	   o   %cd: committer date

	   o   %cD: committer date, RFC2822 style

	   o   %cr: committer date, relative

	   o   %ct: committer date, UNIX timestamp

	   o   %ci: committer date, ISO 8601 format

	   o   %d: ref names, like the --decorate option of git-log(1)

	   o   %e: encoding

	   o   %s: subject

	   o   %f: sanitized subject line, suitable for a filename

	   o   %b: body

	   o   %B: raw body (unwrapped subject and body)

	   o   %N: commit notes

	   o   %GG: raw verification message from GPG for a signed commit

	   o   %G?: show "G" for a Good signature, "B" for a Bad signature, "U" for a good,
	       untrusted signature and "N" for no signature

	   o   %GS: show the name of the signer for a signed commit

	   o   %GK: show the key used to sign a signed commit

	   o   %gD: reflog selector, e.g., refs/stash@{1}

	   o   %gd: shortened reflog selector, e.g., stash@{1}

	   o   %gn: reflog identity name

	   o   %gN: reflog identity name (respecting .mailmap, see git-shortlog(1) or git-
	       blame(1))

	   o   %ge: reflog identity email

	   o   %gE: reflog identity email (respecting .mailmap, see git-shortlog(1) or git-
	       blame(1))

	   o   %gs: reflog subject

	   o   %Cred: switch color to red

	   o   %Cgreen: switch color to green

	   o   %Cblue: switch color to blue

	   o   %Creset: reset color

	   o   %C(...): color specification, as described in color.branch.* config option; adding
	       auto, at the beginning will emit color only when colors are enabled for log output
	       (by color.diff, color.ui, or --color, and respecting the auto settings of the
	       former if we are going to a terminal).  auto alone (i.e.  %C(auto)) will turn on
	       auto coloring on the next placeholders until the color is switched again.

	   o   %m: left, right or boundary mark

	   o   %n: newline

	   o   %%: a raw %

	   o   %x00: print a byte from a hex code

	   o   %w([<w>[,<i1>[,<i2>]]]): switch line wrapping, like the -w option of git-
	       shortlog(1).

	   o   %<(<N>[,trunc|ltrunc|mtrunc]): make the next placeholder take at least N columns,
	       padding spaces on the right if necessary. Optionally truncate at the beginning
	       (ltrunc), the middle (mtrunc) or the end (trunc) if the output is longer than N
	       columns. Note that truncating only works correctly with N >= 2.

	   o   %<|(<N>): make the next placeholder take at least until Nth columns, padding
	       spaces on the right if necessary

	   o   %>(<N>), %>|(<N>): similar to %<(<N>), %<|(<N>) respectively, but padding spaces
	       on the left

	   o   %>>(<N>), %>>|(<N>): similar to %>(<N>), %>|(<N>) respectively, except that if the
	       next placeholder takes more spaces than given and there are spaces on its left,
	       use those spaces

	   o   %><(<N>), %><|(<N>): similar to % <(<N>), %<|(<N>) respectively, but padding both
	       sides (i.e. the text is centered)

	   Note
	   Some placeholders may depend on other options given to the revision traversal engine.
	   For example, the %g* reflog options will insert an empty string unless we are
	   traversing reflog entries (e.g., by git log -g). The %d placeholder will use the
	   "short" decoration format if --decorate was not already provided on the command line.

       If you add a + (plus sign) after % of a placeholder, a line-feed is inserted immediately
       before the expansion if and only if the placeholder expands to a non-empty string.

       If you add a - (minus sign) after % of a placeholder, line-feeds that immediately precede
       the expansion are deleted if and only if the placeholder expands to an empty string.

       If you add a ` ` (space) after % of a placeholder, a space is inserted immediately before
       the expansion if and only if the placeholder expands to a non-empty string.

       o   tformat:

	   The tformat: format works exactly like format:, except that it provides "terminator"
	   semantics instead of "separator" semantics. In other words, each commit has the
	   message terminator character (usually a newline) appended, rather than a separator
	   placed between entries. This means that the final entry of a single-line format will
	   be properly terminated with a new line, just as the "oneline" format does. For
	   example:

	       $ git log -2 --pretty=format:%h 4da45bef \
		 | perl -pe '$_ .= " -- NO NEWLINE\n" unless /\n/'
	       4da45be
	       7134973 -- NO NEWLINE

	       $ git log -2 --pretty=tformat:%h 4da45bef \
		 | perl -pe '$_ .= " -- NO NEWLINE\n" unless /\n/'
	       4da45be
	       7134973

	   In addition, any unrecognized string that has a % in it is interpreted as if it has
	   tformat: in front of it. For example, these two are equivalent:

	       $ git log -2 --pretty=tformat:%h 4da45bef
	       $ git log -2 --pretty=%h 4da45bef

EXAMPLES
       git whatchanged -p v2.6.12.. include/scsi drivers/scsi
	   Show as patches the commits since version v2.6.12 that changed any file in the
	   include/scsi or drivers/scsi subdirectories

       git whatchanged --since="2 weeks ago" -- gitk
	   Show the changes during the last two weeks to the file gitk. The "--" is necessary to
	   avoid confusion with the branch named gitk

GIT
       Part of the git(1) suite

Git 1.8.3.1				    06/10/2014			       GIT-WHATCHANGED(1)
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