NAME
----
-git-svn - Bidirectional operation between a Subversion repository and git
+git-svn - Bidirectional operation between a Subversion repository and Git
SYNOPSIS
--------
DESCRIPTION
-----------
-'git svn' is a simple conduit for changesets between Subversion and git.
-It provides a bidirectional flow of changes between a Subversion and a git
+'git svn' is a simple conduit for changesets between Subversion and Git.
+It provides a bidirectional flow of changes between a Subversion and a Git
repository.
'git svn' can track a standard Subversion repository,
It can also follow branches and tags in any layout with the -T/-t/-b options
(see options to 'init' below, and also the 'clone' command).
-Once tracking a Subversion repository (with any of the above methods), the git
+Once tracking a Subversion repository (with any of the above methods), the Git
repository can be updated from Subversion by the 'fetch' command and
-Subversion updated from git by the 'dcommit' command.
+Subversion updated from Git by the 'dcommit' command.
COMMANDS
--------
'init'::
- Initializes an empty git repository with additional
+ Initializes an empty Git repository with additional
metadata directories for 'git svn'. The Subversion URL
may be specified as a command-line argument, or as full
URL arguments to -T/-t/-b. Optionally, the target
When passed to 'init' or 'clone' this regular expression will
be preserved as a config key. See 'fetch' for a description
of '--ignore-paths'.
+--include-paths=<regex>;;
+ When passed to 'init' or 'clone' this regular expression will
+ be preserved as a config key. See 'fetch' for a description
+ of '--include-paths'.
--no-minimize-url;;
When tracking multiple directories (using --stdlayout,
--branches, or --tags options), git svn will attempt to connect
------------------------------------------------------------------------
--
+--include-paths=<regex>;;
+ This allows one to specify a Perl regular expression that will
+ cause the inclusion of only matching paths from checkout from SVN.
+ The '--include-paths' option should match for every 'fetch'
+ (including automatic fetches due to 'clone', 'dcommit',
+ 'rebase', etc) on a given repository. '--ignore-paths' takes
+ precedence over '--include-paths'.
+
--log-window-size=<n>;;
Fetch <n> log entries per request when scanning Subversion history.
The default is 100. For very large Subversion repositories, larger
Commit each diff from the current branch directly to the SVN
repository, and then rebase or reset (depending on whether or
not there is a diff between SVN and head). This will create
- a revision in SVN for each commit in git.
+ a revision in SVN for each commit in Git.
+
-When an optional git branch name (or a git commit object name)
+When an optional Git branch name (or a Git commit object name)
is specified as an argument, the subcommand works on the specified
branch, not on the current branch.
+
patch), "all" (accept all patches), or "quit".
+
'git svn dcommit' returns immediately if answer if "no" or "quit", without
- commiting anything to SVN.
+ committing anything to SVN.
'branch'::
Create a branch in the SVN repository.
Create a tag by using the tags_subdir instead of the branches_subdir
specified during git svn init.
--d;;
---destination;;
+-d<path>;;
+--destination=<path>;;
+
If more than one --branches (or --tags) option was given to the 'init'
or 'clone' command, you must provide the location of the branch (or
- tag) you wish to create in the SVN repository. The value of this
- option must match one of the paths specified by a --branches (or
- --tags) option. You can see these paths with the commands
+ tag) you wish to create in the SVN repository. <path> specifies which
+ path to use to create the branch or tag and should match the pattern
+ on the left-hand side of one of the configured branches or tags
+ refspecs. You can see these refspecs with the commands
+
git config --get-all svn-remote.<name>.branches
git config --get-all svn-remote.<name>.tags
git config --get-all svn-remote.<name>.commiturl
+
+--parents;;
+ Create parent folders. This parameter is equivalent to the parameter
+ --parents on svn cp commands and is useful for non-standard repository
+ layouts.
+
'tag'::
Create a tag in the SVN repository. This is a shorthand for
'branch -t'.
+
--
--show-commit;;
- shows the git commit sha1, as well
+ shows the Git commit sha1, as well
--oneline;;
our version of --pretty=oneline
--
+
--git-format;;
Produce output in the same format as 'git blame', but with
- SVN revision numbers instead of git commit hashes. In this mode,
+ SVN revision numbers instead of Git commit hashes. In this mode,
changes that haven't been committed to SVN (including local
working-copy edits) are shown as revision 0.
'find-rev'::
When given an SVN revision number of the form 'rN', returns the
- corresponding git commit hash (this can optionally be followed by a
+ corresponding Git commit hash (this can optionally be followed by a
tree-ish to specify which branch should be searched). When given a
tree-ish, returns the corresponding SVN revision number.
++
+--before;;
+ Don't require an exact match if given an SVN revision, instead find
+ the commit corresponding to the state of the SVN repository (on the
+ current branch) at the specified revision.
++
+--after;;
+ Don't require an exact match if given an SVN revision; if there is
+ not an exact match return the closest match searching forward in the
+ history.
'set-tree'::
You should consider using 'dcommit' instead of this command.
the $GIT_DIR/info/exclude file.
'mkdirs'::
- Attempts to recreate empty directories that core git cannot track
+ Attempts to recreate empty directories that core Git cannot track
based on information in $GIT_DIR/svn/<refname>/unhandled.log files.
Empty directories are automatically recreated when using
"git svn clone" and "git svn rebase", so "mkdirs" is intended
+
Remove directories from the SVN tree if there are no files left
behind. SVN can version empty directories, and they are not
-removed by default if there are no files left in them. git
+removed by default if there are no files left in them. Git
cannot version empty directories. Enabling this flag will make
-the commit to SVN act like git.
+the commit to SVN act like Git.
+
[verse]
config key: svn.rmdir
This can be used with the 'dcommit', 'rebase', 'branch' and
'tag' commands.
+
-For 'dcommit', print out the series of git arguments that would show
+For 'dcommit', print out the series of Git arguments that would show
which diffs would be committed to SVN.
+
For 'rebase', display the local branch associated with the upstream svn
creating the branch or tag.
--use-log-author::
- When retrieving svn commits into git (as part of 'fetch', 'rebase', or
+ When retrieving svn commits into Git (as part of 'fetch', 'rebase', or
'dcommit' operations), look for the first `From:` or `Signed-off-by:` line
in the log message and use that as the author string.
--add-author-from::
- When committing to svn from git (as part of 'commit-diff', 'set-tree' or 'dcommit'
+ When committing to svn from Git (as part of 'commit-diff', 'set-tree' or 'dcommit'
operations), if the existing log message doesn't already have a
`From:` or `Signed-off-by:` line, append a `From:` line based on the
- git commit's author string. If you use this, then `--use-log-author`
+ Git commit's author string. If you use this, then `--use-log-author`
will retrieve a valid author string for all commits.
one of the repository layout options --trunk, --tags,
--branches, --stdlayout). For each tracked branch, try to find
out where its revision was copied from, and set
- a suitable parent in the first git commit for the branch.
+ a suitable parent in the first Git commit for the branch.
This is especially helpful when we're tracking a directory
that has been moved around within the repository. If this
feature is disabled, the branches created by 'git svn' will all
+
This option is NOT recommended as it makes it difficult to track down
old references to SVN revision numbers in existing documentation, bug
-reports and archives. If you plan to eventually migrate from SVN to git
+reports and archives. If you plan to eventually migrate from SVN to Git
and are certain about dropping SVN history, consider
linkgit:git-filter-branch[1] instead. filter-branch also allows
reformatting of metadata for ease-of-reading and rewriting authorship
svn-remote.<name>.pushurl::
- Similar to git's 'remote.<name>.pushurl', this key is designed
+ Similar to Git's 'remote.<name>.pushurl', this key is designed
to be used in cases where 'url' points to an SVN repository
via a read-only transport, to provide an alternate read/write
transport. It is assumed that both keys point to the same
cd trunk
# You should be on master branch, double-check with 'git branch'
git branch
-# Do some work and commit locally to git:
+# Do some work and commit locally to Git:
git commit ...
# Something is committed to SVN, rebase your local changes against the
# latest changes in SVN:
git svn rebase
-# Now commit your changes (that were committed previously using git) to SVN,
+# Now commit your changes (that were committed previously using Git) to SVN,
# as well as automatically updating your working HEAD:
git svn dcommit
-# Append svn:ignore settings to the default git exclude file:
+# Append svn:ignore settings to the default Git exclude file:
git svn show-ignore >> .git/info/exclude
------------------------------------------------------------------------
git remote add origin server:/pub/project
git config --replace-all remote.origin.fetch '+refs/remotes/*:refs/remotes/*'
git fetch
-# Prevent fetch/pull from remote git server in the future,
+# Prevent fetch/pull from remote Git server in the future,
# we only want to use git svn for future updates
git config --remove-section remote.origin
# Create a local branch from one of the branches just fetched
copy history (including branches and tags) for repositories adopting a
standard layout, it cannot yet represent merge history that happened
inside git back upstream to SVN users. Therefore it is advised that
-users keep history as linear as possible inside git to ease
+users keep history as linear as possible inside Git to ease
compatibility with SVN (see the CAVEATS section below).
HANDLING OF SVN BRANCHES
------------------------
If 'git svn' is configured to fetch branches (and --follow-branches
-is in effect), it sometimes creates multiple git branches for one
-SVN branch, where the addtional branches have names of the form
+is in effect), it sometimes creates multiple Git branches for one
+SVN branch, where the additional branches have names of the form
'branchname@nnn' (with nnn an SVN revision number). These additional
branches are created if 'git svn' cannot find a parent commit for the
first commit in an SVN branch, to connect the branch to the history of
Normally, the first commit in an SVN branch consists
of a copy operation. 'git svn' will read this commit to get the SVN
revision the branch was created from. It will then try to find the
-git commit that corresponds to this SVN revision, and use that as the
+Git commit that corresponds to this SVN revision, and use that as the
parent of the branch. However, it is possible that there is no suitable
-git commit to serve as parent. This will happen, among other reasons,
+Git commit to serve as parent. This will happen, among other reasons,
if the SVN branch is a copy of a revision that was not fetched by 'git
svn' (e.g. because it is an old revision that was skipped with
'--revision'), or if in SVN a directory was copied that is not tracked
by 'git svn' (such as a branch that is not tracked at all, or a
subdirectory of a tracked branch). In these cases, 'git svn' will still
-create a git branch, but instead of using an existing git commit as the
+create a Git branch, but instead of using an existing Git commit as the
parent of the branch, it will read the SVN history of the directory the
-branch was copied from and create appropriate git commits. This is
+branch was copied from and create appropriate Git commits. This is
indicated by the message "Initializing parent: <branchname>".
Additionally, it will create a special branch named
and later recreated from a different version, there will be multiple
such branches with an '@'.
-Note that this may mean that multiple git commits are created for a
+Note that this may mean that multiple Git commits are created for a
single SVN revision.
An example: in an SVN repository with a standard
trunk/tags/branches layout, a directory trunk/sub is created in r.100.
In r.200, trunk/sub is branched by copying it to branches/. 'git svn
-clone -s' will then create a branch 'sub'. It will also create new git
+clone -s' will then create a branch 'sub'. It will also create new Git
commits for r.100 through r.199 and use these as the history of branch
-'sub'. Thus there will be two git commits for each revision from r.100
+'sub'. Thus there will be two Git commits for each revision from r.100
to r.199 (one containing trunk/, one containing trunk/sub/). Finally,
it will create a branch 'sub@200' pointing to the new parent commit of
branch 'sub' (i.e. the commit for r.200 and trunk/sub/).
For the sake of simplicity and interoperating with Subversion,
it is recommended that all 'git svn' users clone, fetch and dcommit
directly from the SVN server, and avoid all 'git clone'/'pull'/'merge'/'push'
-operations between git repositories and branches. The recommended
-method of exchanging code between git branches and users is
+operations between Git repositories and branches. The recommended
+method of exchanging code between Git branches and users is
'git format-patch' and 'git am', or just 'dcommit'ing to the SVN repository.
Running 'git merge' or 'git pull' is NOT recommended on a branch you
plan to 'dcommit' from because Subversion users cannot see any
-merges you've made. Furthermore, if you merge or pull from a git branch
+merges you've made. Furthermore, if you merge or pull from a Git branch
that is a mirror of an SVN branch, 'dcommit' may commit to the wrong
branch.
using 'git svn' should use 'rsync' for cloning, if cloning is to be done
at all.
-Since 'dcommit' uses rebase internally, any git branches you 'git push' to
+Since 'dcommit' uses rebase internally, any Git branches you 'git push' to
before 'dcommit' on will require forcing an overwrite of the existing ref
on the remote repository. This is generally considered bad practice,
see the linkgit:git-push[1] documentation for details.
When cloning an SVN repository, if none of the options for describing
the repository layout is used (--trunk, --tags, --branches,
---stdlayout), 'git svn clone' will create a git repository with
+--stdlayout), 'git svn clone' will create a Git repository with
completely linear history, where branches and tags appear as separate
directories in the working copy. While this is the easiest way to get a
copy of a complete repository, for projects with many branches it will
When using multiple --branches or --tags, 'git svn' does not automatically
handle name collisions (for example, if two branches from different paths have
the same name, or if a branch and a tag have the same name). In these cases,
-use 'init' to set up your git repository then, before your first 'fetch', edit
+use 'init' to set up your Git repository then, before your first 'fetch', edit
the .git/config file so that the branches and tags are associated with
different name spaces. For example:
We ignore all SVN properties except svn:executable. Any unhandled
properties are logged to $GIT_DIR/svn/<refname>/unhandled.log
-Renamed and copied directories are not detected by git and hence not
+Renamed and copied directories are not detected by Git and hence not
tracked when committing to SVN. I do not plan on adding support for
this as it's quite difficult and time-consuming to get working for all
-the possible corner cases (git doesn't do it, either). Committing
+the possible corner cases (Git doesn't do it, either). Committing
renamed and copied files is fully supported if they're similar enough
-for git to detect them.
+for Git to detect them.
In SVN, it is possible (though discouraged) to commit changes to a tag
(because a tag is just a directory copy, thus technically the same as a
-------------
'git svn' stores [svn-remote] configuration information in the
-repository .git/config file. It is similar the core git
+repository .git/config file. It is similar the core Git
[remote] sections except 'fetch' keys do not accept glob
arguments; but they are instead handled by the 'branches'
and 'tags' keys. Since some SVN repositories are oddly
tags = tags/{1.0,2.0}/src:refs/remotes/tags/*
------------------------------------------------------------------------
+Multiple fetch, branches, and tags keys are supported:
+
+------------------------------------------------------------------------
+[svn-remote "messy-repo"]
+ url = http://server.org/svn
+ fetch = trunk/project-a:refs/remotes/project-a/trunk
+ fetch = branches/demos/june-project-a-demo:refs/remotes/project-a/demos/june-demo
+ branches = branches/server/*:refs/remotes/project-a/branches/*
+ branches = branches/demos/2011/*:refs/remotes/project-a/2011-demos/*
+ tags = tags/server/*:refs/remotes/project-a/tags/*
+------------------------------------------------------------------------
+
+Creating a branch in such a configuration requires disambiguating which
+location to use using the -d or --destination flag:
+
+------------------------------------------------------------------------
+$ git svn branch -d branches/server release-2-3-0
+------------------------------------------------------------------------
+
Note that git-svn keeps track of the highest revision in which a branch
or tag has appeared. If the subset of branches or tags is changed after
fetching, then .git/svn/.metadata must be manually edited to remove (or