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112 lines
3.9 KiB
112 lines
3.9 KiB
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{litdd}devo{litdd}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{litdd}branch, whereas new-style branch names are |
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archive,category{litdd}branch{litdd}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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GIT |
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--- |
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Part of the linkgit:git[1] suite
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