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hg convert [OPTION]... SOURCE [DEST [REVMAP]]
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Convert a foreign SCM repository to a Mercurial one.
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Accepted source formats:
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- Mercurial
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- CVS
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- Darcs
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- git
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- Subversion
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- GNU Arch
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Accepted destination formats:
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- Mercurial
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- Subversion (history on branches is not preserved)
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If no revision is given, all revisions will be converted. Otherwise,
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convert will only import up to the named revision (given in a format
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understood by the source).
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If no destination directory name is specified, it defaults to the
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basename of the source with '-hg' appended. If the destination
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repository doesn't exist, it will be created.
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If <REVMAP> isn't given, it will be put in a default location
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(<dest>/.hg/shamap by default). The <REVMAP> is a simple text
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file that maps each source commit ID to the destination ID for
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that revision, like so:
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<source ID> <destination ID>
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If the file doesn't exist, it's automatically created. It's updated
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on each commit copied, so convert-repo can be interrupted and can
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be run repeatedly to copy new commits.
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The [username mapping] file is a simple text file that maps each source
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commit author to a destination commit author. It is handy for source SCMs
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that use unix logins to identify authors (eg: CVS). One line per author
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mapping and the line format is:
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srcauthor=whatever string you want
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The filemap is a file that allows filtering and remapping of files
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and directories. Comment lines start with '#'. Each line can
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contain one of the following directives:
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include path/to/file
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exclude path/to/file
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rename from/file to/file
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The 'include' directive causes a file, or all files under a
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directory, to be included in the destination repository, and the
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exclusion of all other files and dirs not explicitely included.
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The 'exclude' directive causes files or directories to be omitted.
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The 'rename' directive renames a file or directory. To rename from a
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subdirectory into the root of the repository, use '.' as the path to
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rename to.
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The splicemap is a file that allows insertion of synthetic
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history, letting you specify the parents of a revision. This is
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useful if you want to e.g. give a Subversion merge two parents, or
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graft two disconnected series of history together. Each entry
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contains a key, followed by a space, followed by one or two
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values, separated by spaces. The key is the revision ID in the
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source revision control system whose parents should be modified
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(same format as a key in .hg/shamap). The values are the revision
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IDs (in either the source or destination revision control system)
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that should be used as the new parents for that node.
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Mercurial Source
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-----------------
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--config convert.hg.saverev=True (boolean)
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allow target to preserve source revision ID
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Subversion Source
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-----------------
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Subversion source detects classical trunk/branches/tags layouts.
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By default, the supplied "svn://repo/path/" source URL is
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converted as a single branch. If "svn://repo/path/trunk" exists
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it replaces the default branch. If "svn://repo/path/branches"
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exists, its subdirectories are listed as possible branches. If
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"svn://repo/path/tags" exists, it is looked for tags referencing
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converted branches. Default "trunk", "branches" and "tags" values
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can be overriden with following options. Set them to paths
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relative to the source URL, or leave them blank to disable
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autodetection.
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--config convert.svn.branches=branches (directory name)
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specify the directory containing branches
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--config convert.svn.tags=tags (directory name)
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specify the directory containing tags
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--config convert.svn.trunk=trunk (directory name)
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specify the name of the trunk branch
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Source history can be retrieved starting at a specific revision,
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instead of being integrally converted. Only single branch
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conversions are supported.
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--config convert.svn.startrev=0 (svn revision number)
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specify start Subversion revision.
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Mercurial Destination
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---------------------
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--config convert.hg.clonebranches=False (boolean)
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dispatch source branches in separate clones.
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--config convert.hg.tagsbranch=default (branch name)
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tag revisions branch name
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--config convert.hg.usebranchnames=True (boolean)
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preserve branch names
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options:
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-A --authors username mapping filename
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-d --dest-type destination repository type
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--filemap remap file names using contents of file
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-r --rev import up to target revision REV
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-s --source-type source repository type
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--splicemap splice synthesized history into place
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--datesort try to sort changesets by date
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use "hg -v help convert" to show global options
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adding a
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assuming destination a-hg
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initializing destination a-hg repository
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scanning source...
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sorting...
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converting...
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4 a
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3 b
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2 c
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1 d
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0 e
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pulling from ../a
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searching for changes
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no changes found
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% should fail
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initializing destination bogusfile repository
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abort: cannot create new bundle repository
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% should fail
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abort: Permission denied: bogusdir
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% should succeed
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initializing destination bogusdir repository
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scanning source...
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sorting...
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converting...
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4 a
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3 b
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2 c
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1 d
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0 e
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% test pre and post conversion actions
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run hg source pre-conversion action
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run hg sink pre-conversion action
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run hg sink post-conversion action
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run hg source post-conversion action
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