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GIT-ARCHIMPORT(1)                                Git Manual                                GIT-ARCHIMPORT(1)



NAME
       git-archimport - Import an Arch repository into Git

SYNOPSIS
       git archimport [-h] [-v] [-o] [-a] [-f] [-T] [-D depth] [-t tempdir]
                      <archive/branch>[:<git-branch>] ...


DESCRIPTION
       Imports a project from one or more Arch repositories. It will follow branches and repositories within
       the namespaces defined by the <archive/branch> parameters supplied. If it cannot find the remote
       branch a merge comes from it will just import it as a regular commit. If it can find it, it will mark
       it as a merge whenever possible (see discussion below).

       The script expects you to provide the key roots where it can start the import from an initial import
       or tag type of Arch commit. It will follow and import new branches within the provided roots.

       It expects to be dealing with one project only. If it sees branches that have different roots, it
       will refuse to run. In that case, edit your <archive/branch> parameters to define clearly the scope
       of the import.

       git archimport uses tla extensively in the background to access the Arch repository. Make sure you
       have a recent version of tla available in the path. tla must know about the repositories you pass to
       git archimport.

       For the initial import, git archimport expects to find itself in an empty directory. To follow the
       development of a project that uses Arch, rerun git archimport with the same parameters as the initial
       import to perform incremental imports.

       While git archimport will try to create sensible branch names for the archives that it imports, it is
       also possible to specify Git branch names manually. To do so, write a Git branch name after each
       <archive/branch> parameter, separated by a colon. This way, you can shorten the Arch branch names and
       convert Arch jargon to Git jargon, for example mapping a "PROJECT--devo--VERSION" branch to "master".

       Associating multiple Arch branches to one Git branch is possible; the result will make the most sense
       only if no commits are made to the first branch, after the second branch is created. Still, this is
       useful to convert Arch repositories that had been rotated periodically.

MERGES
       Patch merge data from Arch is used to mark merges in Git as well. Git does not care much about
       tracking patches, and only considers a merge when a branch incorporates all the commits since the
       point they forked. The end result is that Git will have a good idea of how far branches have
       diverged. So the import process does lose some patch-trading metadata.

       Fortunately, when you try and merge branches imported from Arch, Git will find a good merge base, and
       it has a good chance of identifying patches that have been traded out-of-sequence between the
       branches.

OPTIONS
       -h
           Display usage.

       -v
           Verbose output.

       -T
           Many tags. Will create a tag for every commit, reflecting the commit name in the Arch repository.

       -f
           Use the fast patchset import strategy. This can be significantly faster for large trees, but
           cannot handle directory renames or permissions changes. The default strategy is slow and safe.

       -o
           Use this for compatibility with old-style branch names used by earlier versions of git
           archimport. Old-style branch names were category--branch, whereas new-style branch names are
           archive,category--branch--version. In both cases, names given on the command-line will override
           the automatically-generated ones.

       -D <depth>
           Follow merge ancestry and attempt to import trees that have been merged from. Specify a depth
           greater than 1 if patch logs have been pruned.

       -a
           Attempt to auto-register archives at http://mirrors.sourcecontrol.net This is particularly useful
           with the -D option.

       -t <tmpdir>
           Override the default tempdir.

       <archive/branch>
           Archive/branch identifier in a format that tla log understands.

GIT
       Part of the git(1) suite



Git 1.8.3                                        05/24/2013                                GIT-ARCHIMPORT(1)