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223a1bfb58
The "--preserve-merges" option of "git rebase" has been removed. * js/retire-preserve-merges: sequencer: restrict scope of a formerly public function rebase: remove a no-longer-used function rebase: stop mentioning the -p option in comments rebase: remove obsolete code comment rebase: drop the internal `rebase--interactive` command git-svn: drop support for `--preserve-merges` rebase: drop support for `--preserve-merges` pull: remove support for `--rebase=preserve` tests: stop testing `git rebase --preserve-merges` remote: warn about unhandled branch.<name>.rebase values t5520: do not use `pull.rebase=preserve`
255 lines
8.2 KiB
Plaintext
255 lines
8.2 KiB
Plaintext
git-pull(1)
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===========
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NAME
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----
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git-pull - Fetch from and integrate with another repository or a local branch
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SYNOPSIS
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--------
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[verse]
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'git pull' [<options>] [<repository> [<refspec>...]]
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DESCRIPTION
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-----------
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Incorporates changes from a remote repository into the current branch.
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If the current branch is behind the remote, then by default it will
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fast-forward the current branch to match the remote. If the current
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branch and the remote have diverged, the user needs to specify how to
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reconcile the divergent branches with `--rebase` or `--no-rebase` (or
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the corresponding configuration option in `pull.rebase`).
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More precisely, `git pull` runs `git fetch` with the given parameters
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and then depending on configuration options or command line flags,
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will call either `git rebase` or `git merge` to reconcile diverging
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branches.
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<repository> should be the name of a remote repository as
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passed to linkgit:git-fetch[1]. <refspec> can name an
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arbitrary remote ref (for example, the name of a tag) or even
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a collection of refs with corresponding remote-tracking branches
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(e.g., refs/heads/{asterisk}:refs/remotes/origin/{asterisk}),
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but usually it is the name of a branch in the remote repository.
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Default values for <repository> and <branch> are read from the
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"remote" and "merge" configuration for the current branch
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as set by linkgit:git-branch[1] `--track`.
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Assume the following history exists and the current branch is
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"`master`":
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------------
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A---B---C master on origin
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/
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D---E---F---G master
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^
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origin/master in your repository
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------------
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Then "`git pull`" will fetch and replay the changes from the remote
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`master` branch since it diverged from the local `master` (i.e., `E`)
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until its current commit (`C`) on top of `master` and record the
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result in a new commit along with the names of the two parent commits
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and a log message from the user describing the changes.
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------------
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A---B---C origin/master
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/ \
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D---E---F---G---H master
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------------
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See linkgit:git-merge[1] for details, including how conflicts
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are presented and handled.
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In Git 1.7.0 or later, to cancel a conflicting merge, use
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`git reset --merge`. *Warning*: In older versions of Git, running 'git pull'
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with uncommitted changes is discouraged: while possible, it leaves you
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in a state that may be hard to back out of in the case of a conflict.
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If any of the remote changes overlap with local uncommitted changes,
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the merge will be automatically canceled and the work tree untouched.
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It is generally best to get any local changes in working order before
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pulling or stash them away with linkgit:git-stash[1].
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OPTIONS
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-------
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-q::
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--quiet::
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This is passed to both underlying git-fetch to squelch reporting of
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during transfer, and underlying git-merge to squelch output during
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merging.
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-v::
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--verbose::
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Pass --verbose to git-fetch and git-merge.
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--[no-]recurse-submodules[=yes|on-demand|no]::
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This option controls if new commits of populated submodules should
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be fetched, and if the working trees of active submodules should be
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updated, too (see linkgit:git-fetch[1], linkgit:git-config[1] and
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linkgit:gitmodules[5]).
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+
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If the checkout is done via rebase, local submodule commits are rebased as well.
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+
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If the update is done via merge, the submodule conflicts are resolved and checked out.
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Options related to merging
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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:git-pull: 1
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include::merge-options.txt[]
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-r::
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--rebase[=false|true|merges|interactive]::
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When true, rebase the current branch on top of the upstream
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branch after fetching. If there is a remote-tracking branch
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corresponding to the upstream branch and the upstream branch
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was rebased since last fetched, the rebase uses that information
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to avoid rebasing non-local changes.
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+
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When set to `merges`, rebase using `git rebase --rebase-merges` so that
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the local merge commits are included in the rebase (see
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linkgit:git-rebase[1] for details).
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+
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When false, merge the upstream branch into the current branch.
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+
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When `interactive`, enable the interactive mode of rebase.
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+
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See `pull.rebase`, `branch.<name>.rebase` and `branch.autoSetupRebase` in
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linkgit:git-config[1] if you want to make `git pull` always use
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`--rebase` instead of merging.
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+
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[NOTE]
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This is a potentially _dangerous_ mode of operation.
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It rewrites history, which does not bode well when you
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published that history already. Do *not* use this option
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unless you have read linkgit:git-rebase[1] carefully.
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--no-rebase::
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This is shorthand for --rebase=false.
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Options related to fetching
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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include::fetch-options.txt[]
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include::pull-fetch-param.txt[]
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include::urls-remotes.txt[]
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include::merge-strategies.txt[]
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DEFAULT BEHAVIOUR
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-----------------
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Often people use `git pull` without giving any parameter.
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Traditionally, this has been equivalent to saying `git pull
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origin`. However, when configuration `branch.<name>.remote` is
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present while on branch `<name>`, that value is used instead of
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`origin`.
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In order to determine what URL to use to fetch from, the value
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of the configuration `remote.<origin>.url` is consulted
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and if there is not any such variable, the value on the `URL:` line
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in `$GIT_DIR/remotes/<origin>` is used.
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In order to determine what remote branches to fetch (and
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optionally store in the remote-tracking branches) when the command is
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run without any refspec parameters on the command line, values
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of the configuration variable `remote.<origin>.fetch` are
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consulted, and if there aren't any, `$GIT_DIR/remotes/<origin>`
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is consulted and its `Pull:` lines are used.
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In addition to the refspec formats described in the OPTIONS
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section, you can have a globbing refspec that looks like this:
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------------
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refs/heads/*:refs/remotes/origin/*
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------------
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A globbing refspec must have a non-empty RHS (i.e. must store
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what were fetched in remote-tracking branches), and its LHS and RHS
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must end with `/*`. The above specifies that all remote
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branches are tracked using remote-tracking branches in
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`refs/remotes/origin/` hierarchy under the same name.
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The rule to determine which remote branch to merge after
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fetching is a bit involved, in order not to break backward
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compatibility.
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If explicit refspecs were given on the command
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line of `git pull`, they are all merged.
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When no refspec was given on the command line, then `git pull`
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uses the refspec from the configuration or
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`$GIT_DIR/remotes/<origin>`. In such cases, the following
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rules apply:
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. If `branch.<name>.merge` configuration for the current
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branch `<name>` exists, that is the name of the branch at the
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remote site that is merged.
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. If the refspec is a globbing one, nothing is merged.
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. Otherwise the remote branch of the first refspec is merged.
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EXAMPLES
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--------
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* Update the remote-tracking branches for the repository
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you cloned from, then merge one of them into your
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current branch:
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+
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------------------------------------------------
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$ git pull
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$ git pull origin
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------------------------------------------------
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Normally the branch merged in is the HEAD of the remote repository,
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but the choice is determined by the branch.<name>.remote and
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branch.<name>.merge options; see linkgit:git-config[1] for details.
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* Merge into the current branch the remote branch `next`:
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+
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------------------------------------------------
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$ git pull origin next
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------------------------------------------------
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This leaves a copy of `next` temporarily in FETCH_HEAD, and
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updates the remote-tracking branch `origin/next`.
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The same can be done by invoking fetch and merge:
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------------------------------------------------
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$ git fetch origin
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$ git merge origin/next
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------------------------------------------------
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If you tried a pull which resulted in complex conflicts and
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would want to start over, you can recover with 'git reset'.
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include::transfer-data-leaks.txt[]
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BUGS
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----
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Using --recurse-submodules can only fetch new commits in already checked
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out submodules right now. When e.g. upstream added a new submodule in the
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just fetched commits of the superproject the submodule itself cannot be
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fetched, making it impossible to check out that submodule later without
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having to do a fetch again. This is expected to be fixed in a future Git
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version.
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SEE ALSO
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--------
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linkgit:git-fetch[1], linkgit:git-merge[1], linkgit:git-config[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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