59d9ba869e
* sr/transport-helper-fix: (21 commits) transport-helper: die early on encountering deleted refs transport-helper: implement marks location as capability transport-helper: Use capname for refspec capability too transport-helper: change import semantics transport-helper: update ref status after push with export transport-helper: use the new done feature where possible transport-helper: check status code of finish_command transport-helper: factor out push_update_refs_status fast-export: support done feature fast-import: introduce 'done' command git-remote-testgit: fix error handling git-remote-testgit: only push for non-local repositories remote-curl: accept empty line as terminator remote-helpers: export GIT_DIR variable to helpers git_remote_helpers: push all refs during a non-local export transport-helper: don't feed bogus refs to export push git-remote-testgit: import non-HEAD refs t5800: document some non-functional parts of remote helpers t5800: use skip_all instead of prereq t5800: factor out some ref tests ...
146 lines
5.0 KiB
Plaintext
146 lines
5.0 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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[verse]
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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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--tag-of-filtered-object=(abort|drop|rewrite)::
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Specify how to handle tags whose tagged object is filtered out.
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Since revisions and files to export can be limited by path,
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tagged objects may be filtered completely.
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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 such a tag. With 'drop' it will omit such tags from
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the output. With 'rewrite', if the tagged object is a commit, it will
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rewrite the tag to tag an ancestor commit (via parent rewriting; see
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linkgit:git-rev-list[1])
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-M::
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-C::
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Perform move and/or copy detection, as described in the
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linkgit:git-diff[1] manual page, and use it to generate
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rename and copy commands in the output dump.
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+
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Note that earlier versions of this command did not complain and
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produced incorrect results if you gave these options.
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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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--fake-missing-tagger::
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Some old repositories have tags without a tagger. The
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fast-import protocol was pretty strict about that, and did not
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allow that. So fake a tagger to be able to fast-import the
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output.
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--use-done-feature::
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Start the stream with a 'feature done' stanza, and terminate
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it with a 'done' command.
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--no-data::
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Skip output of blob objects and instead refer to blobs via
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their original SHA-1 hash. This is useful when rewriting the
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directory structure or history of a repository without
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touching the contents of individual files. Note that the
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resulting stream can only be used by a repository which
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already contains the necessary objects.
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--full-tree::
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This option will cause fast-export to issue a "deleteall"
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directive for each commit followed by a full list of all files
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in the commit (as opposed to just listing the files which are
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different from the commit's first parent).
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[<git-rev-list-args>...]::
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A list of arguments, acceptable to 'git rev-parse' and
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'git rev-list', that specifies the specific objects and references
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to export. For example, `master{tilde}10..master` causes the
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current master reference to be exported along with all objects
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added since its 10th ancestor commit.
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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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GIT
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---
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Part of the linkgit:git[1] suite
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