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83558a412a
Since a9d34933 ("Merge branch 'fm/fetch-raw-sha1'", 2015-06-01) we
allow to fetch by an object name when the other side accepts such a
request, but we never updated the documentation to match.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
74 lines
2.9 KiB
Plaintext
74 lines
2.9 KiB
Plaintext
<repository>::
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The "remote" repository that is the source of a fetch
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or pull operation. This parameter can be either a URL
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(see the section <<URLS,GIT URLS>> below) or the name
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of a remote (see the section <<REMOTES,REMOTES>> below).
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ifndef::git-pull[]
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<group>::
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A name referring to a list of repositories as the value
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of remotes.<group> in the configuration file.
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(See linkgit:git-config[1]).
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endif::git-pull[]
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<refspec>::
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Specifies which refs to fetch and which local refs to update.
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When no <refspec>s appear on the command line, the refs to fetch
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are read from `remote.<repository>.fetch` variables instead
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ifndef::git-pull[]
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(see <<CRTB,CONFIGURED REMOTE-TRACKING BRANCHES>> below).
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endif::git-pull[]
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ifdef::git-pull[]
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(see linkgit:git-fetch[1]).
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endif::git-pull[]
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+
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The format of a <refspec> parameter is an optional plus
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`+`, followed by the source <src>, followed
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by a colon `:`, followed by the destination ref <dst>.
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The colon can be omitted when <dst> is empty. <src> is
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typically a ref, but it can also be a fully spelled hex object
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name.
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+
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`tag <tag>` means the same as `refs/tags/<tag>:refs/tags/<tag>`;
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it requests fetching everything up to the given tag.
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+
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The remote ref that matches <src>
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is fetched, and if <dst> is not empty string, the local
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ref that matches it is fast-forwarded using <src>.
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If the optional plus `+` is used, the local ref
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is updated even if it does not result in a fast-forward
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update.
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+
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[NOTE]
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When the remote branch you want to fetch is known to
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be rewound and rebased regularly, it is expected that
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its new tip will not be descendant of its previous tip
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(as stored in your remote-tracking branch the last time
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you fetched). You would want
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to use the `+` sign to indicate non-fast-forward updates
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will be needed for such branches. There is no way to
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determine or declare that a branch will be made available
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in a repository with this behavior; the pulling user simply
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must know this is the expected usage pattern for a branch.
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ifdef::git-pull[]
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+
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[NOTE]
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There is a difference between listing multiple <refspec>
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directly on 'git pull' command line and having multiple
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`remote.<repository>.fetch` entries in your configuration
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for a <repository> and running a
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'git pull' command without any explicit <refspec> parameters.
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<refspec>s listed explicitly on the command line are always
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merged into the current branch after fetching. In other words,
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if you list more than one remote ref, 'git pull' will create
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an Octopus merge. On the other hand, if you do not list any
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explicit <refspec> parameter on the command line, 'git pull'
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will fetch all the <refspec>s it finds in the
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`remote.<repository>.fetch` configuration and merge
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only the first <refspec> found into the current branch.
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This is because making an
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Octopus from remote refs is rarely done, while keeping track
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of multiple remote heads in one-go by fetching more than one
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is often useful.
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endif::git-pull[]
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