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![Michael J Gruber](/assets/img/avatar_default.png)
Currently, whenever we need documentation for revisions and ranges, we link to the git-rev-parse man page, i.e. a plumbing man page, which has this along with the documentation of all rev-parse modes. Link to the new gitrevisions man page instead in all cases except - when the actual git-rev-parse command is referred to or - in very technical context (git-send-pack). Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
293 lines
9.2 KiB
Plaintext
293 lines
9.2 KiB
Plaintext
git-format-patch(1)
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===================
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NAME
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----
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git-format-patch - Prepare patches for e-mail submission
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SYNOPSIS
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--------
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[verse]
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'git format-patch' [-k] [(-o|--output-directory) <dir> | --stdout]
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[--no-thread | --thread[=<style>]]
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[(--attach|--inline)[=<boundary>] | --no-attach]
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[-s | --signoff]
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[--signature=<signature> | --no-signature]
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[-n | --numbered | -N | --no-numbered]
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[--start-number <n>] [--numbered-files]
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[--in-reply-to=Message-Id] [--suffix=.<sfx>]
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[--ignore-if-in-upstream]
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[--subject-prefix=Subject-Prefix]
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[--to=<email>] [--cc=<email>]
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[--cover-letter]
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[<common diff options>]
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[ <since> | <revision range> ]
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DESCRIPTION
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-----------
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Prepare each commit with its patch in
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one file per commit, formatted to resemble UNIX mailbox format.
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The output of this command is convenient for e-mail submission or
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for use with 'git am'.
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There are two ways to specify which commits to operate on.
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1. A single commit, <since>, specifies that the commits leading
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to the tip of the current branch that are not in the history
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that leads to the <since> to be output.
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2. Generic <revision range> expression (see "SPECIFYING
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REVISIONS" section in linkgit:gitrevisions[1]) means the
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commits in the specified range.
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The first rule takes precedence in the case of a single <commit>. To
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apply the second rule, i.e., format everything since the beginning of
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history up until <commit>, use the '\--root' option: `git format-patch
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\--root <commit>`. If you want to format only <commit> itself, you
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can do this with `git format-patch -1 <commit>`.
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By default, each output file is numbered sequentially from 1, and uses the
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first line of the commit message (massaged for pathname safety) as
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the filename. With the `--numbered-files` option, the output file names
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will only be numbers, without the first line of the commit appended.
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The names of the output files are printed to standard
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output, unless the `--stdout` option is specified.
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If `-o` is specified, output files are created in <dir>. Otherwise
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they are created in the current working directory.
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By default, the subject of a single patch is "[PATCH] First Line" and
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the subject when multiple patches are output is "[PATCH n/m] First
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Line". To force 1/1 to be added for a single patch, use `-n`. To omit
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patch numbers from the subject, use `-N`.
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If given `--thread`, `git-format-patch` will generate `In-Reply-To` and
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`References` headers to make the second and subsequent patch mails appear
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as replies to the first mail; this also generates a `Message-Id` header to
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reference.
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OPTIONS
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-------
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:git-format-patch: 1
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include::diff-options.txt[]
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-<n>::
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Limits the number of patches to prepare.
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-o <dir>::
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--output-directory <dir>::
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Use <dir> to store the resulting files, instead of the
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current working directory.
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-n::
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--numbered::
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Name output in '[PATCH n/m]' format, even with a single patch.
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-N::
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--no-numbered::
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Name output in '[PATCH]' format.
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--start-number <n>::
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Start numbering the patches at <n> instead of 1.
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--numbered-files::
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Output file names will be a simple number sequence
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without the default first line of the commit appended.
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-k::
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--keep-subject::
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Do not strip/add '[PATCH]' from the first line of the
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commit log message.
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-s::
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--signoff::
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Add `Signed-off-by:` line to the commit message, using
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the committer identity of yourself.
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--stdout::
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Print all commits to the standard output in mbox format,
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instead of creating a file for each one.
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--attach[=<boundary>]::
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Create multipart/mixed attachment, the first part of
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which is the commit message and the patch itself in the
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second part, with `Content-Disposition: attachment`.
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--no-attach::
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Disable the creation of an attachment, overriding the
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configuration setting.
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--inline[=<boundary>]::
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Create multipart/mixed attachment, the first part of
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which is the commit message and the patch itself in the
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second part, with `Content-Disposition: inline`.
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--thread[=<style>]::
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--no-thread::
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Controls addition of `In-Reply-To` and `References` headers to
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make the second and subsequent mails appear as replies to the
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first. Also controls generation of the `Message-Id` header to
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reference.
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+
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The optional <style> argument can be either `shallow` or `deep`.
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'shallow' threading makes every mail a reply to the head of the
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series, where the head is chosen from the cover letter, the
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`\--in-reply-to`, and the first patch mail, in this order. 'deep'
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threading makes every mail a reply to the previous one.
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+
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The default is `--no-thread`, unless the 'format.thread' configuration
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is set. If `--thread` is specified without a style, it defaults to the
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style specified by 'format.thread' if any, or else `shallow`.
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+
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Beware that the default for 'git send-email' is to thread emails
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itself. If you want `git format-patch` to take care of threading, you
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will want to ensure that threading is disabled for `git send-email`.
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--in-reply-to=Message-Id::
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Make the first mail (or all the mails with `--no-thread`) appear as a
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reply to the given Message-Id, which avoids breaking threads to
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provide a new patch series.
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--ignore-if-in-upstream::
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Do not include a patch that matches a commit in
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<until>..<since>. This will examine all patches reachable
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from <since> but not from <until> and compare them with the
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patches being generated, and any patch that matches is
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ignored.
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--subject-prefix=<Subject-Prefix>::
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Instead of the standard '[PATCH]' prefix in the subject
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line, instead use '[<Subject-Prefix>]'. This
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allows for useful naming of a patch series, and can be
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combined with the `--numbered` option.
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--to=<email>::
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Add a `To:` header to the email headers. This is in addition
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to any configured headers, and may be used multiple times.
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--cc=<email>::
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Add a `Cc:` header to the email headers. This is in addition
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to any configured headers, and may be used multiple times.
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--add-header=<header>::
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Add an arbitrary header to the email headers. This is in addition
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to any configured headers, and may be used multiple times.
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For example, `--add-header="Organization: git-foo"`
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--cover-letter::
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In addition to the patches, generate a cover letter file
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containing the shortlog and the overall diffstat. You can
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fill in a description in the file before sending it out.
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--[no]-signature=<signature>::
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Add a signature to each message produced. Per RFC 3676 the signature
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is separated from the body by a line with '-- ' on it. If the
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signature option is omitted the signature defaults to the git version
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number.
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--suffix=.<sfx>::
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Instead of using `.patch` as the suffix for generated
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filenames, use specified suffix. A common alternative is
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`--suffix=.txt`. Leaving this empty will remove the `.patch`
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suffix.
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+
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Note that the leading character does not have to be a dot; for example,
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you can use `--suffix=-patch` to get `0001-description-of-my-change-patch`.
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--no-binary::
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Do not output contents of changes in binary files, instead
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display a notice that those files changed. Patches generated
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using this option cannot be applied properly, but they are
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still useful for code review.
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--root::
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Treat the revision argument as a <revision range>, even if it
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is just a single commit (that would normally be treated as a
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<since>). Note that root commits included in the specified
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range are always formatted as creation patches, independently
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of this flag.
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CONFIGURATION
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-------------
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You can specify extra mail header lines to be added to each message,
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defaults for the subject prefix and file suffix, number patches when
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outputting more than one patch, add "To" or "Cc:" headers, configure
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attachments, and sign off patches with configuration variables.
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------------
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[format]
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headers = "Organization: git-foo\n"
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subjectprefix = CHANGE
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suffix = .txt
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numbered = auto
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to = <email>
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cc = <email>
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attach [ = mime-boundary-string ]
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signoff = true
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------------
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EXAMPLES
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--------
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* Extract commits between revisions R1 and R2, and apply them on top of
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the current branch using 'git am' to cherry-pick them:
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------------
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$ git format-patch -k --stdout R1..R2 | git am -3 -k
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------------
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* Extract all commits which are in the current branch but not in the
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origin branch:
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+
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------------
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$ git format-patch origin
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------------
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For each commit a separate file is created in the current directory.
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* Extract all commits that lead to 'origin' since the inception of the
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project:
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+
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------------
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$ git format-patch --root origin
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------------
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* The same as the previous one:
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+
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------------
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$ git format-patch -M -B origin
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------------
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Additionally, it detects and handles renames and complete rewrites
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intelligently to produce a renaming patch. A renaming patch reduces
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the amount of text output, and generally makes it easier to review.
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Note that non-git "patch" programs won't understand renaming patches, so
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use it only when you know the recipient uses git to apply your patch.
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* Extract three topmost commits from the current branch and format them
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as e-mailable patches:
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+
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------------
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$ git format-patch -3
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------------
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SEE ALSO
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--------
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linkgit:git-am[1], linkgit:git-send-email[1]
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Author
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------
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Written by Junio C Hamano <gitster@pobox.com>
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Documentation
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--------------
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Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
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GIT
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---
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Part of the linkgit:git[1] suite
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