2006-02-16 10:24:16 +01:00
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git-svn(1)
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==========
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NAME
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----
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2007-01-19 00:53:37 +01:00
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git-svn - Bidirectional operation between a single Subversion branch and git
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2006-02-16 10:24:16 +01:00
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SYNOPSIS
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--------
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'git-svn' <command> [options] [arguments]
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DESCRIPTION
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-----------
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2007-01-05 03:04:06 +01:00
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git-svn is a simple conduit for changesets between Subversion and git.
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It is not to be confused with gitlink:git-svnimport[1], which is
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read-only and geared towards tracking multiple branches.
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2006-02-16 10:24:16 +01:00
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2007-01-05 03:04:06 +01:00
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git-svn was originally designed for an individual developer who wants a
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2006-02-16 10:24:16 +01:00
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bidirectional flow of changesets between a single branch in Subversion
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2007-01-05 03:04:06 +01:00
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and an arbitrary number of branches in git. Since its inception,
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git-svn has gained the ability to track multiple branches in a manner
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similar to git-svnimport; but it cannot (yet) automatically detect new
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branches and tags like git-svnimport does.
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2006-02-16 10:24:16 +01:00
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2007-01-05 03:04:06 +01:00
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git-svn is especially useful when it comes to tracking repositories
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not organized in the way Subversion developers recommend (trunk,
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branches, tags directories).
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2006-02-16 10:24:16 +01:00
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COMMANDS
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--------
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--
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'init'::
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Creates an empty git repository with additional metadata
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directories for git-svn. The Subversion URL must be specified
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as a command-line argument. Optionally, the target directory
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to operate on can be specified as a second argument. Normally
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this command initializes the current directory.
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2006-02-16 10:24:16 +01:00
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2006-08-25 03:07:46 +02:00
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'fetch'::
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Fetch unfetched revisions from the Subversion URL we are
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tracking. refs/remotes/git-svn will be updated to the
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latest revision.
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2006-08-25 03:07:46 +02:00
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Note: You should never attempt to modify the remotes/git-svn
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branch outside of git-svn. Instead, create a branch from
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2006-11-29 03:51:41 +01:00
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remotes/git-svn and work on that branch. Use the 'dcommit'
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command (see below) to write git commits back to
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remotes/git-svn.
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2006-02-27 20:04:02 +01:00
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2006-08-26 09:01:23 +02:00
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'dcommit'::
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Commit each diff from a specified head directly to the SVN
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repository, and then rebase or reset (depending on whether or
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2007-01-07 02:53:40 +01:00
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not there is a diff between SVN and head). This will create
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a revision in SVN for each commit in git.
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It is recommended that you run git-svn fetch and rebase (not
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pull or merge) your commits against the latest changes in the
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SVN repository.
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2006-12-12 23:47:01 +01:00
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An optional command-line argument may be specified as an
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alternative to HEAD.
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This is advantageous over 'set-tree' (below) because it produces
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2006-08-26 09:01:23 +02:00
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cleaner, more linear history.
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2006-10-11 23:53:35 +02:00
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'log'::
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This should make it easy to look up svn log messages when svn
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users refer to -r/--revision numbers.
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The following features from `svn log' are supported:
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--revision=<n>[:<n>] - is supported, non-numeric args are not:
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HEAD, NEXT, BASE, PREV, etc ...
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-v/--verbose - it's not completely compatible with
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the --verbose output in svn log, but
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reasonably close.
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--limit=<n> - is NOT the same as --max-count,
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doesn't count merged/excluded commits
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--incremental - supported
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New features:
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--show-commit - shows the git commit sha1, as well
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--oneline - our version of --pretty=oneline
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Any other arguments are passed directly to `git log'
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'set-tree'::
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You should consider using 'dcommit' instead of this command.
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Commit specified commit or tree objects to SVN. This relies on
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your imported fetch data being up-to-date. This makes
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absolutely no attempts to do patching when committing to SVN, it
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simply overwrites files with those specified in the tree or
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commit. All merging is assumed to have taken place
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independently of git-svn functions.
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'show-ignore'::
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Recursively finds and lists the svn:ignore property on
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directories. The output is suitable for appending to
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the $GIT_DIR/info/exclude file.
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'commit-diff'::
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Commits the diff of two tree-ish arguments from the
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2007-01-17 16:32:41 +01:00
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command-line. This command is intended for interoperability with
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git-svnimport and does not rely on being inside an git-svn
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init-ed repository. This command takes three arguments, (a) the
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original tree to diff against, (b) the new tree result, (c) the
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URL of the target Subversion repository. The final argument
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(URL) may be omitted if you are working from a git-svn-aware
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repository (that has been init-ed with git-svn).
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2006-11-09 10:19:37 +01:00
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The -r<revision> option is required for this.
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2006-10-11 23:53:35 +02:00
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'graft-branches'::
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This command attempts to detect merges/branches from already
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imported history. Techniques used currently include regexes,
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file copies, and tree-matches). This command generates (or
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modifies) the $GIT_DIR/info/grafts file. This command is
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considered experimental, and inherently flawed because
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merge-tracking in SVN is inherently flawed and inconsistent
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across different repositories.
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'multi-init'::
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This command supports git-svnimport-like command-line syntax for
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2007-02-04 05:49:16 +01:00
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importing repositories that are laid out as recommended by the
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SVN folks. This is a bit more tolerant than the git-svnimport
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command-line syntax and doesn't require the user to figure out
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where the repository URL ends and where the repository path
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begins.
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2007-01-08 04:35:40 +01:00
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-T<trunk_subdir>::
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--trunk=<trunk_subdir>::
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-t<tags_subdir>::
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--tags=<tags_subdir>::
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-b<branches_subdir>::
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--branches=<branches_subdir>::
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These are the command-line options for multi-init. Each of
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these flags can point to a relative repository path
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(--tags=project/tags') or a full url
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(--tags=https://foo.org/project/tags)
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--prefix=<prefix>
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This allows one to specify a prefix which is prepended to the
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names of remotes. The prefix does not automatically include a
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trailing slash, so be sure you include one in the argument if
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that is what you want. This is useful if you wish to track
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multiple projects that share a common repository.
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'multi-fetch'::
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This runs fetch on all known SVN branches we're tracking. This
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will NOT discover new branches (unlike git-svnimport), so
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multi-init will need to be re-run (it's idempotent).
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2006-08-25 03:07:46 +02:00
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--
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OPTIONS
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-------
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--
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--shared::
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--template=<template_directory>::
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Only used with the 'init' command.
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These are passed directly to gitlink:git-init[1].
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-r <ARG>::
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--revision <ARG>::
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Only used with the 'fetch' command.
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Takes any valid -r<argument> svn would accept and passes it
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directly to svn. -r<ARG1>:<ARG2> ranges and "{" DATE "}" syntax
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is also supported. This is passed directly to svn, see svn
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documentation for more details.
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This can allow you to make partial mirrors when running fetch.
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-::
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--stdin::
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Only used with the 'set-tree' command.
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Read a list of commits from stdin and commit them in reverse
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order. Only the leading sha1 is read from each line, so
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git-rev-list --pretty=oneline output can be used.
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--rmdir::
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2006-12-16 08:58:08 +01:00
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Only used with the 'dcommit', 'set-tree' and 'commit-diff' commands.
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2006-08-25 03:07:46 +02:00
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Remove directories from the SVN tree if there are no files left
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behind. SVN can version empty directories, and they are not
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removed by default if there are no files left in them. git
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cannot version empty directories. Enabling this flag will make
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the commit to SVN act like git.
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2007-01-29 01:16:53 +01:00
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config key: svn.rmdir
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-e::
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--edit::
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Only used with the 'dcommit', 'set-tree' and 'commit-diff' commands.
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2006-08-25 03:07:46 +02:00
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Edit the commit message before committing to SVN. This is off by
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default for objects that are commits, and forced on when committing
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tree objects.
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2007-01-29 01:16:53 +01:00
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config key: svn.edit
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2006-04-02 04:25:03 +02:00
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2006-02-20 19:57:26 +01:00
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-l<num>::
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--find-copies-harder::
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2006-12-16 08:58:08 +01:00
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Only used with the 'dcommit', 'set-tree' and 'commit-diff' commands.
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They are both passed directly to git-diff-tree see
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gitlink:git-diff-tree[1] for more information.
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2006-02-20 19:57:26 +01:00
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2006-08-25 03:07:46 +02:00
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[verse]
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config key: svn.l
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config key: svn.findcopiesharder
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2006-05-05 21:35:39 +02:00
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-A<filename>::
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--authors-file=<filename>::
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Syntax is compatible with the files used by git-svnimport and
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git-cvsimport:
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------------------------------------------------------------------------
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loginname = Joe User <user@example.com>
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------------------------------------------------------------------------
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2006-08-25 03:07:46 +02:00
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If this option is specified and git-svn encounters an SVN
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committer name that does not exist in the authors-file, git-svn
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will abort operation. The user will then have to add the
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appropriate entry. Re-running the previous git-svn command
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after the authors-file is modified should continue operation.
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2006-05-05 21:35:39 +02:00
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2007-01-29 01:16:53 +01:00
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config key: svn.authorsfile
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-q::
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--quiet::
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Make git-svn less verbose.
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--repack[=<n>]::
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--repack-flags=<flags>
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These should help keep disk usage sane for large fetches
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with many revisions.
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--repack takes an optional argument for the number of revisions
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to fetch before repacking. This defaults to repacking every
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1000 commits fetched if no argument is specified.
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--repack-flags are passed directly to gitlink:git-repack[1].
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2007-01-29 01:16:53 +01:00
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config key: svn.repack
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config key: svn.repackflags
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2006-08-26 09:01:23 +02:00
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-m::
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--merge::
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-s<strategy>::
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--strategy=<strategy>::
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These are only used with the 'dcommit' command.
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Passed directly to git-rebase when using 'dcommit' if a
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'git-reset' cannot be used (see dcommit).
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-n::
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--dry-run::
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This is only used with the 'dcommit' command.
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Print out the series of git arguments that would show
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which diffs would be committed to SVN.
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2006-08-25 03:07:46 +02:00
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--
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2006-05-05 21:35:39 +02:00
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2006-03-03 10:20:09 +01:00
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ADVANCED OPTIONS
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----------------
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--
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2006-03-03 10:20:07 +01:00
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-b<refname>::
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--branch <refname>::
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2006-12-16 08:58:08 +01:00
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Used with 'fetch', 'dcommit' or 'set-tree'.
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2006-03-03 10:20:07 +01:00
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2006-08-25 03:07:46 +02:00
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This can be used to join arbitrary git branches to remotes/git-svn
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on new commits where the tree object is equivalent.
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2006-08-25 03:07:46 +02:00
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When used with different GIT_SVN_ID values, tags and branches in
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SVN can be tracked this way, as can some merges where the heads
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end up having completely equivalent content. This can even be
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used to track branches across multiple SVN _repositories_.
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2006-03-03 10:20:07 +01:00
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2006-08-25 03:07:46 +02:00
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This option may be specified multiple times, once for each
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branch.
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2006-03-03 10:20:07 +01:00
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2007-01-29 01:16:53 +01:00
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config key: svn.branch
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2006-04-02 04:25:03 +02:00
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2006-03-03 10:20:09 +01:00
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-i<GIT_SVN_ID>::
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--id <GIT_SVN_ID>::
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This sets GIT_SVN_ID (instead of using the environment). See the
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section on
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'<<tracking-multiple-repos,Tracking Multiple Repositories or Branches>>'
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for more information on using GIT_SVN_ID.
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2007-01-31 12:06:56 +01:00
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|
-R<remote name>::
|
|
|
|
--svn-remote <remote name>::
|
|
|
|
Specify the [svn-remote "<remote name>"] section to use,
|
|
|
|
this allows multiple repositories to be tracked.
|
|
|
|
Default: git-svn
|
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|
|
|
2006-10-11 23:53:35 +02:00
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|
|
--follow-parent::
|
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|
|
This is especially helpful when we're tracking a directory
|
|
|
|
that has been moved around within the repository, or if we
|
|
|
|
started tracking a branch and never tracked the trunk it was
|
2007-02-09 11:45:03 +01:00
|
|
|
descended from. This feature is enabled by default, use
|
|
|
|
--no-follow-parent to disable it.
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2006-10-11 23:53:35 +02:00
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|
2007-01-29 01:16:53 +01:00
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config key: svn.followparent
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2006-10-11 23:53:35 +02:00
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|
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2007-02-12 00:21:24 +01:00
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svn.noMetadata:
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|
svn-remote.<name>.noMetadata:
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2006-10-11 23:53:35 +02:00
|
|
|
This gets rid of the git-svn-id: lines at the end of every commit.
|
|
|
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|
2007-01-30 22:11:14 +01:00
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|
If you lose your .git/svn/git-svn/.rev_db file, git-svn will not
|
|
|
|
be able to rebuild it and you won't be able to fetch again,
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|
|
|
either. This is fine for one-shot imports.
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2006-10-11 23:53:35 +02:00
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|
2007-02-12 00:21:24 +01:00
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|
The 'git-svn log' command will not work on repositories using
|
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|
|
this, either. Using this conflicts with the 'useSvmProps'
|
|
|
|
option for (hopefully) obvious reasons.
|
|
|
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|
svn.useSvmProps:
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svn-remote.<name>.useSvmProps:
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|
|
This allows git-svn to re-map repository URLs and UUIDs from
|
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|
|
mirrors created using SVN::Mirror (or svk) for metadata.
|
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|
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|
If an SVN revision has a property, "svm:headrev", it is likely
|
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|
that the revision was created by SVN::Mirror (also used by SVK).
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|
The property contains a repository UUID and a revision. We want
|
|
|
|
to make it look like we are mirroring the original URL, so
|
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|
|
introduce a helper function that returns the original identity
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|
|
URL and UUID, and use it when generating metadata in commit
|
|
|
|
messages.
|
|
|
|
|
|
|
|
Using this conflicts with the 'noMetadata' option for
|
|
|
|
(hopefully) obvious reasons.
|
2006-10-11 23:53:35 +02:00
|
|
|
|
2006-08-25 03:07:46 +02:00
|
|
|
--
|
2006-03-03 10:20:09 +01:00
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|
|
|
2006-03-09 12:48:47 +01:00
|
|
|
Basic Examples
|
|
|
|
~~~~~~~~~~~~~~
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2006-02-16 10:24:16 +01:00
|
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|
|
2007-01-05 03:04:06 +01:00
|
|
|
Tracking and contributing to a the trunk of a Subversion-managed project:
|
2006-02-16 10:24:16 +01:00
|
|
|
|
2006-04-02 04:25:03 +02:00
|
|
|
------------------------------------------------------------------------
|
2007-01-12 22:01:46 +01:00
|
|
|
# Initialize a repo (like git init):
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2006-02-16 10:24:16 +01:00
|
|
|
git-svn init http://svn.foo.org/project/trunk
|
2006-04-02 04:25:03 +02:00
|
|
|
# Fetch remote revisions:
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2006-02-16 10:24:16 +01:00
|
|
|
git-svn fetch
|
2006-04-02 04:25:03 +02:00
|
|
|
# Create your own branch to hack on:
|
2006-03-02 06:58:31 +01:00
|
|
|
git checkout -b my-branch remotes/git-svn
|
2006-11-29 03:51:41 +01:00
|
|
|
# Do some work, and then commit your new changes to SVN, as well as
|
|
|
|
# automatically updating your working HEAD:
|
|
|
|
git-svn dcommit
|
2006-08-25 21:48:23 +02:00
|
|
|
# Something is committed to SVN, rebase the latest into your branch:
|
|
|
|
git-svn fetch && git rebase remotes/git-svn
|
2006-04-02 04:25:03 +02:00
|
|
|
# Append svn:ignore settings to the default git exclude file:
|
2006-02-26 11:22:27 +01:00
|
|
|
git-svn show-ignore >> .git/info/exclude
|
2006-04-02 04:25:03 +02:00
|
|
|
------------------------------------------------------------------------
|
2006-02-16 10:24:16 +01:00
|
|
|
|
2007-01-05 03:04:06 +01:00
|
|
|
Tracking and contributing to an entire Subversion-managed project
|
|
|
|
(complete with a trunk, tags and branches):
|
|
|
|
See also:
|
|
|
|
'<<tracking-multiple-repos,Tracking Multiple Repositories or Branches>>'
|
|
|
|
|
|
|
|
------------------------------------------------------------------------
|
2007-01-12 22:01:46 +01:00
|
|
|
# Initialize a repo (like git init):
|
2007-01-05 03:04:06 +01:00
|
|
|
git-svn multi-init http://svn.foo.org/project \
|
|
|
|
-T trunk -b branches -t tags
|
|
|
|
# Fetch remote revisions:
|
|
|
|
git-svn multi-fetch
|
|
|
|
# Create your own branch of trunk to hack on:
|
|
|
|
git checkout -b my-trunk remotes/trunk
|
|
|
|
# Do some work, and then commit your new changes to SVN, as well as
|
|
|
|
# automatically updating your working HEAD:
|
|
|
|
git-svn dcommit -i trunk
|
|
|
|
# Something has been committed to trunk, rebase the latest into your branch:
|
|
|
|
git-svn multi-fetch && git rebase remotes/trunk
|
|
|
|
# Append svn:ignore settings of trunk to the default git exclude file:
|
|
|
|
git-svn show-ignore -i trunk >> .git/info/exclude
|
|
|
|
# Check for new branches and tags (no arguments are needed):
|
|
|
|
git-svn multi-init
|
|
|
|
------------------------------------------------------------------------
|
|
|
|
|
2007-01-07 02:53:40 +01:00
|
|
|
REBASE VS. PULL/MERGE
|
|
|
|
---------------------
|
2006-08-25 21:48:23 +02:00
|
|
|
|
|
|
|
Originally, git-svn recommended that the remotes/git-svn branch be
|
2007-01-07 02:53:40 +01:00
|
|
|
pulled or merged from. This is because the author favored
|
|
|
|
'git-svn set-tree B' to commit a single head rather than the
|
|
|
|
'git-svn set-tree A..B' notation to commit multiple commits.
|
|
|
|
|
|
|
|
If you use 'git-svn set-tree A..B' to commit several diffs and you do
|
|
|
|
not have the latest remotes/git-svn merged into my-branch, you should
|
|
|
|
use 'git rebase' to update your work branch instead of 'git pull' or
|
|
|
|
'git merge'. 'pull/merge' can cause non-linear history to be flattened
|
|
|
|
when committing into SVN, which can lead to merge commits reversing
|
|
|
|
previous commits in SVN.
|
2006-08-25 21:48:23 +02:00
|
|
|
|
2006-02-16 10:24:16 +01:00
|
|
|
DESIGN PHILOSOPHY
|
|
|
|
-----------------
|
|
|
|
Merge tracking in Subversion is lacking and doing branched development
|
2006-11-29 03:51:41 +01:00
|
|
|
with Subversion is cumbersome as a result. git-svn does not do
|
|
|
|
automated merge/branch tracking by default and leaves it entirely up to
|
|
|
|
the user on the git side.
|
2006-02-16 10:24:16 +01:00
|
|
|
|
2006-08-25 03:07:46 +02:00
|
|
|
[[tracking-multiple-repos]]
|
2006-02-16 10:24:16 +01:00
|
|
|
TRACKING MULTIPLE REPOSITORIES OR BRANCHES
|
|
|
|
------------------------------------------
|
|
|
|
Because git-svn does not care about relationships between different
|
|
|
|
branches or directories in a Subversion repository, git-svn has a simple
|
|
|
|
hack to allow it to track an arbitrary number of related _or_ unrelated
|
2006-11-29 03:51:41 +01:00
|
|
|
SVN repositories via one git repository. Simply use the --id/-i flag or
|
|
|
|
set the GIT_SVN_ID environment variable to a name other other than
|
|
|
|
"git-svn" (the default) and git-svn will ignore the contents of the
|
|
|
|
$GIT_DIR/svn/git-svn directory and instead do all of its work in
|
|
|
|
$GIT_DIR/svn/$GIT_SVN_ID for that invocation. The interface branch will
|
|
|
|
be remotes/$GIT_SVN_ID, instead of remotes/git-svn. Any
|
|
|
|
remotes/$GIT_SVN_ID branch should never be modified by the user outside
|
|
|
|
of git-svn commands.
|
2006-02-16 10:24:16 +01:00
|
|
|
|
2006-03-09 12:48:47 +01:00
|
|
|
If you're tracking a directory that has moved, or otherwise been
|
|
|
|
branched or tagged off of another directory in the repository and you
|
2007-01-10 01:20:17 +01:00
|
|
|
care about the full history of the project, then you can use
|
|
|
|
the --follow-parent option.
|
2006-03-09 12:48:47 +01:00
|
|
|
|
2007-01-10 01:20:17 +01:00
|
|
|
------------------------------------------------
|
|
|
|
git-svn fetch --follow-parent
|
|
|
|
------------------------------------------------
|
2006-03-09 12:48:47 +01:00
|
|
|
|
2006-02-16 10:24:16 +01:00
|
|
|
BUGS
|
|
|
|
----
|
2006-10-11 23:53:35 +02:00
|
|
|
|
2006-02-16 10:24:16 +01:00
|
|
|
We ignore all SVN properties except svn:executable. Too difficult to
|
|
|
|
map them since we rely heavily on git write-tree being _exactly_ the
|
|
|
|
same on both the SVN and git working trees and I prefer not to clutter
|
|
|
|
working trees with metadata files.
|
|
|
|
|
2006-02-20 19:57:28 +01:00
|
|
|
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). Renamed and
|
|
|
|
copied files are fully supported if they're similar enough for git to
|
|
|
|
detect them.
|
|
|
|
|
2006-08-25 21:48:23 +02:00
|
|
|
SEE ALSO
|
|
|
|
--------
|
|
|
|
gitlink:git-rebase[1]
|
|
|
|
|
2006-02-16 10:24:16 +01:00
|
|
|
Author
|
|
|
|
------
|
|
|
|
Written by Eric Wong <normalperson@yhbt.net>.
|
|
|
|
|
|
|
|
Documentation
|
|
|
|
-------------
|
|
|
|
Written by Eric Wong <normalperson@yhbt.net>.
|