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Signed-off-by: Jonathan Nieder <jrnieder@uchicago.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
104 lines
3.2 KiB
Plaintext
104 lines
3.2 KiB
Plaintext
git-fast-export(1)
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==================
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NAME
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----
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git-fast-export - Git data exporter
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SYNOPSIS
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--------
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'git fast-export [options]' | 'git fast-import'
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DESCRIPTION
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-----------
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This program dumps the given revisions in a form suitable to be piped
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into `git-fast-import`.
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You can use it as a human readable bundle replacement (see
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linkgit:git-bundle[1]), or as a kind of an interactive
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`git-filter-branch`.
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OPTIONS
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-------
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--progress=<n>::
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Insert 'progress' statements every <n> objects, to be shown by
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`git-fast-import` during import.
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--signed-tags=(verbatim|warn|strip|abort)::
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Specify how to handle signed tags. Since any transformation
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after the export can change the tag names (which can also happen
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when excluding revisions) the signatures will not match.
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+
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When asking to 'abort' (which is the default), this program will die
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when encountering a signed tag. With 'strip', the tags will be made
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unsigned, with 'verbatim', they will be silently exported
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and with 'warn', they will be exported, but you will see a warning.
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--export-marks=<file>::
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Dumps the internal marks table to <file> when complete.
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Marks are written one per line as `:markid SHA-1`. Only marks
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for revisions are dumped; marks for blobs are ignored.
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Backends can use this file to validate imports after they
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have been completed, or to save the marks table across
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incremental runs. As <file> is only opened and truncated
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at completion, the same path can also be safely given to
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\--import-marks.
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--import-marks=<file>::
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Before processing any input, load the marks specified in
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<file>. The input file must exist, must be readable, and
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must use the same format as produced by \--export-marks.
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+
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Any commits that have already been marked will not be exported again.
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If the backend uses a similar \--import-marks file, this allows for
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incremental bidirectional exporting of the repository by keeping the
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marks the same across runs.
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EXAMPLES
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--------
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-------------------------------------------------------------------
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$ git fast-export --all | (cd /empty/repository && git fast-import)
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-------------------------------------------------------------------
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This will export the whole repository and import it into the existing
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empty repository. Except for reencoding commits that are not in
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UTF-8, it would be a one-to-one mirror.
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-----------------------------------------------------
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$ git fast-export master~5..master |
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sed "s|refs/heads/master|refs/heads/other|" |
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git fast-import
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-----------------------------------------------------
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This makes a new branch called 'other' from 'master~5..master'
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(i.e. if 'master' has linear history, it will take the last 5 commits).
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Note that this assumes that none of the blobs and commit messages
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referenced by that revision range contains the string
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'refs/heads/master'.
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Limitations
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-----------
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Since `git-fast-import` cannot tag trees, you will not be
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able to export the linux-2.6.git repository completely, as it contains
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a tag referencing a tree instead of a commit.
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Author
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------
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Written by Johannes E. Schindelin <johannes.schindelin@gmx.de>.
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Documentation
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--------------
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Documentation by Johannes E. Schindelin <johannes.schindelin@gmx.de>.
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GIT
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---
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Part of the linkgit:git[1] suite
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