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diff --git a/third_party/git/Documentation/git-switch.txt b/third_party/git/Documentation/git-switch.txt new file mode 100644 index 0000000000..197900363b --- /dev/null +++ b/third_party/git/Documentation/git-switch.txt @@ -0,0 +1,273 @@ +git-switch(1) +============= + +NAME +---- +git-switch - Switch branches + +SYNOPSIS +-------- +[verse] +'git switch' [<options>] [--no-guess] <branch> +'git switch' [<options>] --detach [<start-point>] +'git switch' [<options>] (-c|-C) <new-branch> [<start-point>] +'git switch' [<options>] --orphan <new-branch> + +DESCRIPTION +----------- +Switch to a specified branch. The working tree and the index are +updated to match the branch. All new commits will be added to the tip +of this branch. + +Optionally a new branch could be created with either `-c`, `-C`, +automatically from a remote branch of same name (see `--guess`), or +detach the working tree from any branch with `--detach`, along with +switching. + +Switching branches does not require a clean index and working tree +(i.e. no differences compared to `HEAD`). The operation is aborted +however if the operation leads to loss of local changes, unless told +otherwise with `--discard-changes` or `--merge`. + +THIS COMMAND IS EXPERIMENTAL. THE BEHAVIOR MAY CHANGE. + +OPTIONS +------- +<branch>:: + Branch to switch to. + +<new-branch>:: + Name for the new branch. + +<start-point>:: + The starting point for the new branch. Specifying a + `<start-point>` allows you to create a branch based on some + other point in history than where HEAD currently points. (Or, + in the case of `--detach`, allows you to inspect and detach + from some other point.) ++ +You can use the `@{-N}` syntax to refer to the N-th last +branch/commit switched to using "git switch" or "git checkout" +operation. You may also specify `-` which is synonymous to `@{-1}`. +This is often used to switch quickly between two branches, or to undo +a branch switch by mistake. ++ +As a special case, you may use `A...B` as a shortcut for the merge +base of `A` and `B` if there is exactly one merge base. You can leave +out at most one of `A` and `B`, in which case it defaults to `HEAD`. + +-c <new-branch>:: +--create <new-branch>:: + Create a new branch named `<new-branch>` starting at + `<start-point>` before switching to the branch. This is a + convenient shortcut for: ++ +------------ +$ git branch <new-branch> +$ git switch <new-branch> +------------ + +-C <new-branch>:: +--force-create <new-branch>:: + Similar to `--create` except that if `<new-branch>` already + exists, it will be reset to `<start-point>`. This is a + convenient shortcut for: ++ +------------ +$ git branch -f <new-branch> +$ git switch <new-branch> +------------ + +-d:: +--detach:: + Switch to a commit for inspection and discardable + experiments. See the "DETACHED HEAD" section in + linkgit:git-checkout[1] for details. + +--guess:: +--no-guess:: + If `<branch>` is not found but there does exist a tracking + branch in exactly one remote (call it `<remote>`) with a + matching name, treat as equivalent to ++ +------------ +$ git switch -c <branch> --track <remote>/<branch> +------------ ++ +If the branch exists in multiple remotes and one of them is named by +the `checkout.defaultRemote` configuration variable, we'll use that +one for the purposes of disambiguation, even if the `<branch>` isn't +unique across all remotes. Set it to e.g. `checkout.defaultRemote=origin` +to always checkout remote branches from there if `<branch>` is +ambiguous but exists on the 'origin' remote. See also +`checkout.defaultRemote` in linkgit:git-config[1]. ++ +`--guess` is the default behavior. Use `--no-guess` to disable it. + +-f:: +--force:: + An alias for `--discard-changes`. + +--discard-changes:: + Proceed even if the index or the working tree differs from + `HEAD`. Both the index and working tree are restored to match + the switching target. If `--recurse-submodules` is specified, + submodule content is also restored to match the switching + target. This is used to throw away local changes. + +-m:: +--merge:: + If you have local modifications to one or more files that are + different between the current branch and the branch to which + you are switching, the command refuses to switch branches in + order to preserve your modifications in context. However, + with this option, a three-way merge between the current + branch, your working tree contents, and the new branch is + done, and you will be on the new branch. ++ +When a merge conflict happens, the index entries for conflicting +paths are left unmerged, and you need to resolve the conflicts +and mark the resolved paths with `git add` (or `git rm` if the merge +should result in deletion of the path). + +--conflict=<style>:: + The same as `--merge` option above, but changes the way the + conflicting hunks are presented, overriding the + `merge.conflictStyle` configuration variable. Possible values are + "merge" (default) and "diff3" (in addition to what is shown by + "merge" style, shows the original contents). + +-q:: +--quiet:: + Quiet, suppress feedback messages. + +--progress:: +--no-progress:: + Progress status is reported on the standard error stream + by default when it is attached to a terminal, unless `--quiet` + is specified. This flag enables progress reporting even if not + attached to a terminal, regardless of `--quiet`. + +-t:: +--track:: + When creating a new branch, set up "upstream" configuration. + `-c` is implied. See `--track` in linkgit:git-branch[1] for + details. ++ +If no `-c` option is given, the name of the new branch will be derived +from the remote-tracking branch, by looking at the local part of the +refspec configured for the corresponding remote, and then stripping +the initial part up to the "*". This would tell us to use `hack` as +the local branch when branching off of `origin/hack` (or +`remotes/origin/hack`, or even `refs/remotes/origin/hack`). If the +given name has no slash, or the above guessing results in an empty +name, the guessing is aborted. You can explicitly give a name with +`-c` in such a case. + +--no-track:: + Do not set up "upstream" configuration, even if the + `branch.autoSetupMerge` configuration variable is true. + +--orphan <new-branch>:: + Create a new 'orphan' branch, named `<new-branch>`. All + tracked files are removed. + +--ignore-other-worktrees:: + `git switch` refuses when the wanted ref is already + checked out by another worktree. This option makes it check + the ref out anyway. In other words, the ref can be held by + more than one worktree. + +--recurse-submodules:: +--no-recurse-submodules:: + Using `--recurse-submodules` will update the content of all + initialized submodules according to the commit recorded in the + superproject. If nothing (or `--no-recurse-submodules`) is + used, the work trees of submodules will not be updated. Just + like linkgit:git-submodule[1], this will detach `HEAD` of the + submodules. + +EXAMPLES +-------- + +The following command switches to the "master" branch: + +------------ +$ git switch master +------------ + +After working in the wrong branch, switching to the correct branch +would be done using: + +------------ +$ git switch mytopic +------------ + +However, your "wrong" branch and correct "mytopic" branch may differ +in files that you have modified locally, in which case the above +switch would fail like this: + +------------ +$ git switch mytopic +error: You have local changes to 'frotz'; not switching branches. +------------ + +You can give the `-m` flag to the command, which would try a three-way +merge: + +------------ +$ git switch -m mytopic +Auto-merging frotz +------------ + +After this three-way merge, the local modifications are _not_ +registered in your index file, so `git diff` would show you what +changes you made since the tip of the new branch. + +To switch back to the previous branch before we switched to mytopic +(i.e. "master" branch): + +------------ +$ git switch - +------------ + +You can grow a new branch from any commit. For example, switch to +"HEAD~3" and create branch "fixup": + +------------ +$ git switch -c fixup HEAD~3 +Switched to a new branch 'fixup' +------------ + +If you want to start a new branch from a remote branch of the same +name: + +------------ +$ git switch new-topic +Branch 'new-topic' set up to track remote branch 'new-topic' from 'origin' +Switched to a new branch 'new-topic' +------------ + +To check out commit `HEAD~3` for temporary inspection or experiment +without creating a new branch: + +------------ +$ git switch --detach HEAD~3 +HEAD is now at 9fc9555312 Merge branch 'cc/shared-index-permbits' +------------ + +If it turns out whatever you have done is worth keeping, you can +always create a new name for it (without switching away): + +------------ +$ git switch -c good-surprises +------------ + +SEE ALSO +-------- +linkgit:git-checkout[1], +linkgit:git-branch[1] + +GIT +--- +Part of the linkgit:git[1] suite |