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Add basic git-subtree manpage in asciidoc format.
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*~ | ||
git-subtree.xml | ||
git-subtree.1 |
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default: | ||
@echo "git-subtree doesn't need to be built." | ||
@echo | ||
@echo "Try: make doc" | ||
@false | ||
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doc: git-subtree.1 | ||
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%.1: %.xml | ||
xmlto -m manpage-normal.xsl man $^ | ||
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%.xml: %.txt | ||
asciidoc -b docbook -d manpage -f asciidoc.conf \ | ||
-agit_version=1.6.3 $^ | ||
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clean: | ||
rm -f *~ *.xml *.html *.1 | ||
rm -rf subproj mainline |
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## linkgit: macro | ||
# | ||
# Usage: linkgit:command[manpage-section] | ||
# | ||
# Note, {0} is the manpage section, while {target} is the command. | ||
# | ||
# Show GIT link as: <command>(<section>); if section is defined, else just show | ||
# the command. | ||
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[macros] | ||
(?su)[\\]?(?P<name>linkgit):(?P<target>\S*?)\[(?P<attrlist>.*?)\]= | ||
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[attributes] | ||
asterisk=* | ||
plus=+ | ||
caret=^ | ||
startsb=[ | ||
endsb=] | ||
tilde=~ | ||
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ifdef::backend-docbook[] | ||
[linkgit-inlinemacro] | ||
{0%{target}} | ||
{0#<citerefentry>} | ||
{0#<refentrytitle>{target}</refentrytitle><manvolnum>{0}</manvolnum>} | ||
{0#</citerefentry>} | ||
endif::backend-docbook[] | ||
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ifdef::backend-docbook[] | ||
ifndef::git-asciidoc-no-roff[] | ||
# "unbreak" docbook-xsl v1.68 for manpages. v1.69 works with or without this. | ||
# v1.72 breaks with this because it replaces dots not in roff requests. | ||
[listingblock] | ||
<example><title>{title}</title> | ||
<literallayout> | ||
ifdef::doctype-manpage[] | ||
.ft C | ||
endif::doctype-manpage[] | ||
| | ||
ifdef::doctype-manpage[] | ||
.ft | ||
endif::doctype-manpage[] | ||
</literallayout> | ||
{title#}</example> | ||
endif::git-asciidoc-no-roff[] | ||
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ifdef::git-asciidoc-no-roff[] | ||
ifdef::doctype-manpage[] | ||
# The following two small workarounds insert a simple paragraph after screen | ||
[listingblock] | ||
<example><title>{title}</title> | ||
<literallayout> | ||
| | ||
</literallayout><simpara></simpara> | ||
{title#}</example> | ||
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[verseblock] | ||
<formalpara{id? id="{id}"}><title>{title}</title><para> | ||
{title%}<literallayout{id? id="{id}"}> | ||
{title#}<literallayout> | ||
| | ||
</literallayout> | ||
{title#}</para></formalpara> | ||
{title%}<simpara></simpara> | ||
endif::doctype-manpage[] | ||
endif::git-asciidoc-no-roff[] | ||
endif::backend-docbook[] | ||
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ifdef::doctype-manpage[] | ||
ifdef::backend-docbook[] | ||
[header] | ||
template::[header-declarations] | ||
<refentry> | ||
<refmeta> | ||
<refentrytitle>{mantitle}</refentrytitle> | ||
<manvolnum>{manvolnum}</manvolnum> | ||
<refmiscinfo class="source">Git</refmiscinfo> | ||
<refmiscinfo class="version">{git_version}</refmiscinfo> | ||
<refmiscinfo class="manual">Git Manual</refmiscinfo> | ||
</refmeta> | ||
<refnamediv> | ||
<refname>{manname}</refname> | ||
<refpurpose>{manpurpose}</refpurpose> | ||
</refnamediv> | ||
endif::backend-docbook[] | ||
endif::doctype-manpage[] | ||
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ifdef::backend-xhtml11[] | ||
[linkgit-inlinemacro] | ||
<a href="{target}.html">{target}{0?({0})}</a> | ||
endif::backend-xhtml11[] |
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git-subtree(1) | ||
============== | ||
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NAME | ||
---- | ||
git-subtree - add, merge, and split subprojects stored in subtrees | ||
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SYNOPSIS | ||
-------- | ||
[verse] | ||
'git subtree' add --prefix=<prefix> <commit> | ||
'git subtree' merge --prefix=<prefix> <commit> | ||
'git subtree' pull --prefix=<prefix> <repository> <refspec...> | ||
'git subtree' split --prefix=<prefix> <commit...> | ||
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DESCRIPTION | ||
----------- | ||
git subtree allows you to include an subproject in your | ||
own repository as a subdirectory, optionally including the | ||
subproject's entire history. For example, you could | ||
include the source code for a library as a subdirectory of your | ||
application. | ||
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You can also extract the entire history of a subdirectory from | ||
your project and make it into a standalone project. For | ||
example, if a library you made for one application ends up being | ||
useful elsewhere, you can extract its entire history and publish | ||
that as its own git repository, without accidentally | ||
intermingling the history of your application project. | ||
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Most importantly, you can alternate back and forth between these | ||
two operations. If the standalone library gets updated, you can | ||
automatically merge the changes into your project; if you | ||
update the library inside your project, you can "split" the | ||
changes back out again and merge them back into the library | ||
project. | ||
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Unlike the 'git submodule' command, git subtree doesn't produce | ||
any special constructions (like .gitmodule files or gitlinks) in | ||
your repository, and doesn't require end-users of your | ||
repository to do anything special or to understand how subtrees | ||
work. A subtree is just another subdirectory and can be | ||
committed to, branched, and merged along with your project in | ||
any way you want. | ||
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In order to keep your commit messages clean, we recommend that | ||
people split their commits between the subtrees and the main | ||
project as much as possible. That is, if you make a change that | ||
affects both the library and the main application, commit it in | ||
two pieces. That way, when you split the library commits out | ||
later, their descriptions will still make sense. But if this | ||
isn't important to you, it's not *necessary*. git subtree will | ||
simply leave out the non-library-related parts of the commit | ||
when it splits it out into the subproject later. | ||
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COMMANDS | ||
-------- | ||
add:: | ||
Create the <prefix> subtree by importing its contents | ||
from the given commit. A new commit is created | ||
automatically, joining the imported project's history | ||
with your own. With '--squash', imports only a single | ||
commit from the subproject, rather than its entire | ||
history. | ||
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merge:: | ||
Merge recent changes up to <commit> into the <prefix> | ||
subtree. As with normal 'git merge', this doesn't | ||
remove your own local changes; it just merges those | ||
changes into the latest <commit>. With '--squash', | ||
creates only one commit that contains all the changes, | ||
rather than merging in the entire history. | ||
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If you use '--squash', the merge direction doesn't | ||
always have to be forward; you can use this command to | ||
go back in time from v2.5 to v2.4, for example. If your | ||
merge introduces a conflict, you can resolve it in the | ||
usual ways. | ||
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pull:: | ||
Exactly like 'merge', but parallels 'git pull' in that | ||
it fetches the given commit from the specified remote | ||
repository. | ||
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split:: | ||
Extract a new, synthetic project history from the | ||
history of the <prefix> subtree. The new history | ||
includes only the commits (including merges) that | ||
affected <prefix>, and each of those commits now has the | ||
contents of <prefix> at the root of the project instead | ||
of in a subdirectory. Thus, the newly created history | ||
is suitable for export as a separate git repository. | ||
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After splitting successfully, a single commit id is | ||
printed to stdout. This corresponds to the HEAD of the | ||
newly created tree, which you can manipulate however you | ||
want. | ||
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Repeated splits of exactly the same history are | ||
guaranteed to be identical (ie. to produce the same | ||
commit ids). Because of this, if you add new commits | ||
and then re-split, the new commits will be attached as | ||
commits on top of the history you generated last time, | ||
so 'git merge' and friends will work as expected. | ||
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Note that if you use '--squash' when you merge, you | ||
should usually not just '--rejoin' when you split. | ||
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OPTIONS | ||
------- | ||
-q:: | ||
--quiet:: | ||
Suppress unnecessary output messages on stderr. | ||
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-d:: | ||
--debug:: | ||
Produce even more unnecessary output messages on stderr. | ||
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--prefix=<prefix>:: | ||
Specify the path in the repository to the subtree you | ||
want to manipulate. This option is currently mandatory | ||
for all commands. | ||
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OPTIONS FOR add, merge, AND pull | ||
-------------------------------- | ||
--squash:: | ||
Instead of merging the entire history from the subtree | ||
project, produce only a single commit that contains all | ||
the differences you want to merge, and then merge that | ||
new commit into your project. | ||
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Using this option helps to reduce log clutter. People | ||
rarely want to see every change that happened between | ||
v1.0 and v1.1 of the library they're using, since none of the | ||
interim versions were ever included in their application. | ||
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Using '--squash' also helps avoid problems when the same | ||
subproject is included multiple times in the same | ||
project, or is removed and then re-added. In such a | ||
case, it doesn't make sense to combine the histories | ||
anyway, since it's unclear which part of the history | ||
belongs to which subtree. | ||
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Furthermore, with '--squash', you can switch back and | ||
forth between different versions of a subtree, rather | ||
than strictly forward. 'git subtree merge --squash' | ||
always adjusts the subtree to match the exactly | ||
specified commit, even if getting to that commit would | ||
require undoing some changes that were added earlier. | ||
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Whether or not you use '--squash', changes made in your | ||
local repository remain intact and can be later split | ||
and send upstream to the subproject. | ||
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OPTIONS FOR split | ||
----------------- | ||
--annotate=<annotation>:: | ||
When generating synthetic history, add <annotation> as a | ||
prefix to each commit message. Since we're creating new | ||
commits with the same commit message, but possibly | ||
different content, from the original commits, this can help | ||
to differentiate them and avoid confusion. | ||
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Whenever you split, you need to use the same | ||
<annotation>, or else you don't have a guarantee that | ||
the new re-created history will be identical to the old | ||
one. That will prevent merging from working correctly. | ||
git subtree tries to make it work anyway, particularly | ||
if you use --rejoin, but it may not always be effective. | ||
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-b <branch>:: | ||
--branch=<branch>:: | ||
After generating the synthetic history, create a new | ||
branch called <branch> that contains the new history. | ||
This is suitable for immediate pushing upstream. | ||
<branch> must not already exist. | ||
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--ignore-joins:: | ||
If you use '--rejoin', git subtree attempts to optimize | ||
its history reconstruction to generate only the new | ||
commits since the last '--rejoin'. '--ignore-join' | ||
disables this behaviour, forcing it to regenerate the | ||
entire history. In a large project, this can take a | ||
long time. | ||
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--onto=<onto>:: | ||
If your subtree was originally imported using something | ||
other than git subtree, its history may not match what | ||
git subtree is expecting. In that case, you can specify | ||
the commit id <onto> that corresponds to the first | ||
revision of the subproject's history that was imported | ||
into your project, and git subtree will attempt to build | ||
its history from there. | ||
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If you used 'git subtree add', you should never need | ||
this option. | ||
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--rejoin:: | ||
After splitting, merge the newly created synthetic | ||
history back into your main project. That way, future | ||
splits can search only the part of history that has | ||
been added since the most recent --rejoin. | ||
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If your split commits end up merged into the upstream | ||
subproject, and then you want to get the latest upstream | ||
version, this will allow git's merge algorithm to more | ||
intelligently avoid conflicts (since it knows these | ||
synthetic commits are already part of the upstream | ||
repository). | ||
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Unfortunately, using this option results in 'git log' | ||
showing an extra copy of every new commit that was | ||
created (the original, and the synthetic one). | ||
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If you do all your merges with '--squash', don't use | ||
'--rejoin' when you split, because you don't want the | ||
subproject's history to be part of your project anyway. | ||
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AUTHOR | ||
------ | ||
Written by Avery Pennarun <apenwarr@gmail.com> | ||
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GIT | ||
--- | ||
Part of the linkgit:git[1] suite |
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<!-- manpage-base.xsl: | ||
special formatting for manpages rendered from asciidoc+docbook --> | ||
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" | ||
version="1.0"> | ||
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<!-- these params silence some output from xmlto --> | ||
<xsl:param name="man.output.quietly" select="1"/> | ||
<xsl:param name="refentry.meta.get.quietly" select="1"/> | ||
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<!-- convert asciidoc callouts to man page format; | ||
git.docbook.backslash and git.docbook.dot params | ||
must be supplied by another XSL file or other means --> | ||
<xsl:template match="co"> | ||
<xsl:value-of select="concat( | ||
$git.docbook.backslash,'fB(', | ||
substring-after(@id,'-'),')', | ||
$git.docbook.backslash,'fR')"/> | ||
</xsl:template> | ||
<xsl:template match="calloutlist"> | ||
<xsl:value-of select="$git.docbook.dot"/> | ||
<xsl:text>sp </xsl:text> | ||
<xsl:apply-templates/> | ||
<xsl:text> </xsl:text> | ||
</xsl:template> | ||
<xsl:template match="callout"> | ||
<xsl:value-of select="concat( | ||
$git.docbook.backslash,'fB', | ||
substring-after(@arearefs,'-'), | ||
'. ',$git.docbook.backslash,'fR')"/> | ||
<xsl:apply-templates/> | ||
<xsl:value-of select="$git.docbook.dot"/> | ||
<xsl:text>br </xsl:text> | ||
</xsl:template> | ||
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</xsl:stylesheet> |
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<!-- manpage-normal.xsl: | ||
special settings for manpages rendered from asciidoc+docbook | ||
handles anything we want to keep away from docbook-xsl 1.72.0 --> | ||
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" | ||
version="1.0"> | ||
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<xsl:import href="manpage-base.xsl"/> | ||
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<!-- these are the normal values for the roff control characters --> | ||
<xsl:param name="git.docbook.backslash">\</xsl:param> | ||
<xsl:param name="git.docbook.dot" >.</xsl:param> | ||
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</xsl:stylesheet> |