diff options
Diffstat (limited to 'Documentation/git-push.txt')
| -rw-r--r-- | Documentation/git-push.txt | 124 |
1 files changed, 102 insertions, 22 deletions
diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt index 8b637d3..e2992f1 100644 --- a/Documentation/git-push.txt +++ b/Documentation/git-push.txt @@ -9,9 +9,10 @@ git-push - Update remote refs along with associated objects SYNOPSIS -------- [verse] -'git push' [--all | --mirror | --tags] [-n | --dry-run] [--receive-pack=<git-receive-pack>] +'git push' [--all | --mirror | --tags] [--follow-tags] [-n | --dry-run] [--receive-pack=<git-receive-pack>] [--repo=<repository>] [-f | --force] [--prune] [-v | --verbose] [-u | --set-upstream] - [<repository> [<refspec>...]] + [--force-with-lease[=<refname>[:<expect>]]] + [--no-verify] [<repository> [<refspec>...]] DESCRIPTION ----------- @@ -23,6 +24,17 @@ You can make interesting things happen to a repository every time you push into it, by setting up 'hooks' there. See documentation for linkgit:git-receive-pack[1]. +When the command line does not specify where to push with the +`<repository>` argument, `branch.*.remote` configuration for the +current branch is consulted to determine where to push. If the +configuration is missing, it defaults to 'origin'. + +When the command line does not specify what to push with `<refspec>...` +arguments or `--all`, `--mirror`, `--tags` options, the command finds +the default `<refspec>` by consulting `remote.*.push` configuration, +and if it is not found, honors `push.default` configuration to decide +what to push (See gitlink:git-config[1] for the meaning of `push.default`). + OPTIONS[[OPTIONS]] ------------------ @@ -33,13 +45,10 @@ OPTIONS[[OPTIONS]] of a remote (see the section <<REMOTES,REMOTES>> below). <refspec>...:: + Specify what destination ref to update with what source object. The format of a <refspec> parameter is an optional plus - `+`, followed by the source ref <src>, followed + `+`, followed by the source object <src>, followed by a colon `:`, followed by the destination ref <dst>. - It is used to specify with what <src> object the <dst> ref - in the remote repository is to be updated. If not specified, - the behavior of the command is controlled by the `push.default` - configuration variable. + The <src> is often the name of the branch you would want to push, but it can be any arbitrary "SHA-1 expression", such as `master~4` or @@ -51,10 +60,11 @@ be named. If `:`<dst> is omitted, the same ref as <src> will be updated. + The object referenced by <src> is used to update the <dst> reference -on the remote side, but by default this is only allowed if the -update can fast-forward <dst>. By having the optional leading `+`, -you can tell git to update the <dst> ref even when the update is not a -fast-forward. This does *not* attempt to merge <src> into <dst>. See +on the remote side. By default this is only allowed if <dst> is not +a tag (annotated or lightweight), and then only if it can fast-forward +<dst>. By having the optional leading `+`, you can tell Git to update +the <dst> ref even if it is not allowed by default (e.g., it is not a +fast-forward.) This does *not* attempt to merge <src> into <dst>. See EXAMPLES below for details. + `tag <tag>` means the same as `refs/tags/<tag>:refs/tags/<tag>`. @@ -63,12 +73,9 @@ Pushing an empty <src> allows you to delete the <dst> ref from the remote repository. + The special refspec `:` (or `+:` to allow non-fast-forward updates) -directs git to push "matching" branches: for every branch that exists on +directs Git to push "matching" branches: for every branch that exists on the local side, the remote side is updated if a branch of the same name -already exists on the remote side. This is the default operation mode -if no explicit refspec is found (that is neither on the command line -nor in any Push line of the corresponding remotes file---see below) and -no `push.default` configuration variable is set. +already exists on the remote side. --all:: Instead of naming each ref to push, specifies that all @@ -111,6 +118,12 @@ no `push.default` configuration variable is set. addition to refspecs explicitly listed on the command line. +--follow-tags:: + Push all the refs that would be pushed without this option, + and also push annotated tags in `refs/tags` that are missing + from the remote but are pointing at committish that are + reachable from the refs being pushed. + --receive-pack=<git-receive-pack>:: --exec=<git-receive-pack>:: Path to the 'git-receive-pack' program on the remote @@ -118,12 +131,75 @@ no `push.default` configuration variable is set. repository over ssh, and you do not have the program in a directory on the default $PATH. +--[no-]force-with-lease:: +--force-with-lease=<refname>:: +--force-with-lease=<refname>:<expect>:: + Usually, "git push" refuses to update a remote ref that is + not an ancestor of the local ref used to overwrite it. ++ +This option bypasses the check, but instead requires that the +current value of the ref to be the expected value. "git push" +fails otherwise. ++ +Imagine that you have to rebase what you have already published. +You will have to bypass the "must fast-forward" rule in order to +replace the history you originally published with the rebased history. +If somebody else built on top of your original history while you are +rebasing, the tip of the branch at the remote may advance with her +commit, and blindly pushing with `--force` will lose her work. ++ +This option allows you to say that you expect the history you are +updating is what you rebased and want to replace. If the remote ref +still points at the commit you specified, you can be sure that no +other people did anything to the ref (it is like taking a "lease" on +the ref without explicitly locking it, and you update the ref while +making sure that your earlier "lease" is still valid). ++ +`--force-with-lease` alone, without specifying the details, will protect +all remote refs that are going to be updated by requiring their +current value to be the same as the remote-tracking branch we have +for them, unless specified with a `--force-with-lease=<refname>:<expect>` +option that explicitly states what the expected value is. ++ +`--force-with-lease=<refname>`, without specifying the expected value, will +protect the named ref (alone), if it is going to be updated, by +requiring its current value to be the same as the remote-tracking +branch we have for it. ++ +`--force-with-lease=<refname>:<expect>` will protect the named ref (alone), +if it is going to be updated, by requiring its current value to be +the same as the specified value <expect> (which is allowed to be +different from the remote-tracking branch we have for the refname, +or we do not even have to have such a remote-tracking branch when +this form is used). ++ +Note that all forms other than `--force-with-lease=<refname>:<expect>` +that specifies the expected current value of the ref explicitly are +still experimental and their semantics may change as we gain experience +with this feature. ++ +"--no-force-with-lease" will cancel all the previous --force-with-lease on the +command line. + -f:: --force:: Usually, the command refuses to update a remote ref that is not an ancestor of the local ref used to overwrite it. - This flag disables the check. This can cause the - remote repository to lose commits; use it with care. + Also, when `--force-with-lease` option is used, the command refuses + to update a remote ref whose current value does not match + what is expected. ++ +This flag disables these checks, and can cause the remote repository +to lose commits; use it with care. ++ +Note that `--force` applies to all the refs that are pushed, hence +using it with `push.default` set to `matching` or with multiple push +destinations configured with `remote.*.push` may overwrite refs +other than the current branch (including local refs that are +strictly behind their remote counterpart). To force a push to only +one branch, use a `+` in front of the refspec to push (e.g `git push +origin +master` to force a push to the `master` branch). See the +`<refspec>...` section above for details. --repo=<repository>:: This option is only relevant if no <repository> argument is @@ -150,8 +226,7 @@ useful if you write an alias or script around 'git push'. linkgit:git-pull[1] and other commands. For more information, see 'branch.<name>.merge' in linkgit:git-config[1]. ---thin:: ---no-thin:: +--[no-]thin:: These options are passed to linkgit:git-send-pack[1]. A thin transfer significantly reduces the amount of sent data when the sender and receiver share many of the same objects in common. The default is @@ -176,7 +251,7 @@ useful if you write an alias or script around 'git push'. --recurse-submodules=check|on-demand:: Make sure all submodule commits used by the revisions to be pushed are available on a remote-tracking branch. If 'check' is - used git will verify that all submodule commits that changed in + used Git will verify that all submodule commits that changed in the revisions to be pushed are available on at least one remote of the submodule. If any commits are missing the push will be aborted and exit with non-zero status. If 'on-demand' is used @@ -184,6 +259,11 @@ useful if you write an alias or script around 'git push'. be pushed. If on-demand was not able to push all necessary revisions it will also be aborted and exit with non-zero status. +--[no-]verify:: + Toggle the pre-push hook (see linkgit:githooks[5]). The + default is \--verify, giving the hook a chance to prevent the + push. With \--no-verify, the hook is bypassed completely. + include::urls-remotes.txt[] @@ -191,7 +271,7 @@ OUTPUT ------ The output of "git push" depends on the transport method used; this -section describes the output when pushing over the git protocol (either +section describes the output when pushing over the Git protocol (either locally or via ssh). The status of the push is output in tabular form, with each line |