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.
Signed-off-by: Jonathan Nieder <jrnieder@uchicago.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
120 lines
4 KiB
Text
120 lines
4 KiB
Text
git-archimport(1)
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=================
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NAME
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----
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git-archimport - Import an Arch repository into git
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SYNOPSIS
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--------
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[verse]
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'git archimport' [-h] [-v] [-o] [-a] [-f] [-T] [-D depth] [-t tempdir]
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<archive/branch>[:<git-branch>] ...
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DESCRIPTION
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-----------
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Imports a project from one or more Arch repositories. It will follow branches
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and repositories within the namespaces defined by the <archive/branch>
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parameters supplied. If it cannot find the remote branch a merge comes from
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it will just import it as a regular commit. If it can find it, it will mark it
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as a merge whenever possible (see discussion below).
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The script expects you to provide the key roots where it can start the import
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from an 'initial import' or 'tag' type of Arch commit. It will follow and
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import new branches within the provided roots.
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It expects to be dealing with one project only. If it sees
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branches that have different roots, it will refuse to run. In that case,
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edit your <archive/branch> parameters to define clearly the scope of the
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import.
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'git-archimport' uses `tla` extensively in the background to access the
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Arch repository.
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Make sure you have a recent version of `tla` available in the path. `tla` must
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know about the repositories you pass to 'git-archimport'.
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For the initial import, 'git-archimport' expects to find itself in an empty
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directory. To follow the development of a project that uses Arch, rerun
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'git-archimport' with the same parameters as the initial import to perform
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incremental imports.
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While 'git-archimport' will try to create sensible branch names for the
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archives that it imports, it is also possible to specify git branch names
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manually. To do so, write a git branch name after each <archive/branch>
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parameter, separated by a colon. This way, you can shorten the Arch
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branch names and convert Arch jargon to git jargon, for example mapping a
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"PROJECT--devo--VERSION" branch to "master".
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Associating multiple Arch branches to one git branch is possible; the
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result will make the most sense only if no commits are made to the first
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branch, after the second branch is created. Still, this is useful to
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convert Arch repositories that had been rotated periodically.
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MERGES
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------
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Patch merge data from Arch is used to mark merges in git as well. git
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does not care much about tracking patches, and only considers a merge when a
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branch incorporates all the commits since the point they forked. The end result
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is that git will have a good idea of how far branches have diverged. So the
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import process does lose some patch-trading metadata.
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Fortunately, when you try and merge branches imported from Arch,
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git will find a good merge base, and it has a good chance of identifying
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patches that have been traded out-of-sequence between the branches.
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OPTIONS
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-------
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-h::
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Display usage.
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-v::
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Verbose output.
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-T::
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Many tags. Will create a tag for every commit, reflecting the commit
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name in the Arch repository.
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-f::
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Use the fast patchset import strategy. This can be significantly
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faster for large trees, but cannot handle directory renames or
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permissions changes. The default strategy is slow and safe.
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-o::
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Use this for compatibility with old-style branch names used by
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earlier versions of 'git-archimport'. Old-style branch names
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were category--branch, whereas new-style branch names are
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archive,category--branch--version. In both cases, names given
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on the command-line will override the automatically-generated
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ones.
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-D <depth>::
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Follow merge ancestry and attempt to import trees that have been
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merged from. Specify a depth greater than 1 if patch logs have been
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pruned.
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-a::
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Attempt to auto-register archives at http://mirrors.sourcecontrol.net
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This is particularly useful with the -D option.
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-t <tmpdir>::
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Override the default tempdir.
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<archive/branch>::
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Archive/branch identifier in a format that `tla log` understands.
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Author
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------
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Written by Martin Langhoff <martin@catalyst.net.nz>.
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Documentation
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--------------
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Documentation by Junio C Hamano, Martin Langhoff 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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