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663a8566be
Enum names SHORT/MEDIUM/FULL were too broad to be descriptive. And they clashed with built-in symbols on platforms like Windows. Clarify by giving them REPLACE_FORMAT_ prefix. Rename 'full' format in "git replace --format=<name>" to 'long', to match others (i.e. 'short' and 'medium'). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
124 lines
3.4 KiB
Text
124 lines
3.4 KiB
Text
git-replace(1)
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==============
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NAME
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----
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git-replace - Create, list, delete refs to replace objects
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SYNOPSIS
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--------
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[verse]
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'git replace' [-f] <object> <replacement>
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'git replace' -d <object>...
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'git replace' [--format=<format>] [-l [<pattern>]]
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DESCRIPTION
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-----------
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Adds a 'replace' reference in `refs/replace/` namespace.
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The name of the 'replace' reference is the SHA-1 of the object that is
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replaced. The content of the 'replace' reference is the SHA-1 of the
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replacement object.
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The replaced object and the replacement object must be of the same type.
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This restriction can be bypassed using `-f`.
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Unless `-f` is given, the 'replace' reference must not yet exist.
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There is no other restriction on the replaced and replacement objects.
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Merge commits can be replaced by non-merge commits and vice versa.
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Replacement references will be used by default by all Git commands
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except those doing reachability traversal (prune, pack transfer and
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fsck).
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It is possible to disable use of replacement references for any
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command using the `--no-replace-objects` option just after 'git'.
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For example if commit 'foo' has been replaced by commit 'bar':
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------------------------------------------------
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$ git --no-replace-objects cat-file commit foo
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------------------------------------------------
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shows information about commit 'foo', while:
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------------------------------------------------
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$ git cat-file commit foo
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------------------------------------------------
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shows information about commit 'bar'.
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The 'GIT_NO_REPLACE_OBJECTS' environment variable can be set to
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achieve the same effect as the `--no-replace-objects` option.
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OPTIONS
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-------
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-f::
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--force::
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If an existing replace ref for the same object exists, it will
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be overwritten (instead of failing).
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-d::
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--delete::
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Delete existing replace refs for the given objects.
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-l <pattern>::
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--list <pattern>::
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List replace refs for objects that match the given pattern (or
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all if no pattern is given).
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Typing "git replace" without arguments, also lists all replace
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refs.
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--format=<format>::
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When listing, use the specified <format>, which can be one of
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'short', 'medium' and 'long'. When omitted, the format
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defaults to 'short'.
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FORMATS
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-------
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The following format are available:
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* 'short':
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<replaced sha1>
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* 'medium':
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<replaced sha1> -> <replacement sha1>
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* 'long':
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<replaced sha1> (<replaced type>) -> <replacement sha1> (<replacement type>)
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CREATING REPLACEMENT OBJECTS
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----------------------------
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linkgit:git-filter-branch[1], linkgit:git-hash-object[1] and
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linkgit:git-rebase[1], among other git commands, can be used to create
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replacement objects from existing objects.
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If you want to replace many blobs, trees or commits that are part of a
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string of commits, you may just want to create a replacement string of
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commits and then only replace the commit at the tip of the target
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string of commits with the commit at the tip of the replacement string
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of commits.
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BUGS
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----
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Comparing blobs or trees that have been replaced with those that
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replace them will not work properly. And using `git reset --hard` to
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go back to a replaced commit will move the branch to the replacement
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commit instead of the replaced commit.
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There may be other problems when using 'git rev-list' related to
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pending objects.
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SEE ALSO
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--------
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linkgit:git-hash-object[1]
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linkgit:git-filter-branch[1]
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linkgit:git-rebase[1]
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linkgit:git-tag[1]
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linkgit:git-branch[1]
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linkgit:git[1]
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GIT
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---
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Part of the linkgit:git[1] suite
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