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authorしらいしななこ <nanako3@bluebottle.com>2007-07-01 05:26:08 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-07-01 06:37:00 (GMT)
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Document git-stash
This describes the git-stash command. I borrowed a few paragraphs from Johannes's version, and added a few examples. Signed-off-by: Nanako Shiraishi <nanako3@bluebottle.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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+git-stash(1)
+============
+
+NAME
+----
+git-stash - Stash the changes in a dirty working directory away
+
+SYNOPSIS
+--------
+[verse]
+'git-stash'
+'git-stash' [list | show [<stash>] | apply [<stash>] | clear]
+
+DESCRIPTION
+-----------
+
+Use 'git-stash' when you want to record the current state of the
+working directory and the index, but want to go back to a clean
+working directory. The command saves your local modifications away
+and reverts the working directory to match the `HEAD` commit.
+
+The modifications stashed away by this command can be listed with
+`git-stash list`, inspected with `git-stash show`, and restored
+(potentially on top of a different commit) with `git-stash apply`
+commands. The default operation when called without options is to
+save the changes away.
+
+The latest stash you created is stored in `$GIT_DIR/refs/stash`; older
+stashes are found in the reflog of this refererence and can be named using
+the usual reflog syntax (e.g. `stash@{1}` is the stash one previously made,
+`stash@{2}` is the one before it, `stash@{2.hours.ago}` is also possible).
+
+OPTIONS
+-------
+
+(no subcommand)::
+
+ Save your local modifications to a new 'stash', and run `git-reset
+ --hard` to revert them.
+
+list::
+
+ List the stashes that you currently have. Each 'stash' is listed
+ with its name (e.g. `stash@{0}` is the latest stash, `stash@{1} is
+ the one before), the name of the branch that was current when the
+ stash was made, and a short description of the commit the stash was
+ based on.
++
+----------------------------------------------------------------
+stash@{0}: submit: 6ebd0e2... Add git-stash
+stash@{1}: master: 9cc0589... Merge branch 'master' of gfi
+----------------------------------------------------------------
+
+show [<stash>]::
+
+ Show the changes recorded in the stash. When no `<stash>` is given,
+ shows the latest one. By default, the command shows diffstat, but
+ you can add `-p` option (i.e. `git stash show -p stash@{2}`) to view
+ it in patch form.
+
+apply [<stash>]::
+
+ Restores the changes recorded in the stash on top of the current
+ working tree state. When no `<stash>` is given, applies the latest
+ one. The working directory must match the index. When the changes
+ conflict, you need to resolve them by hand and mark the result with
+ `git add` as usual. When the changes are cleanly merged, your
+ earlier local changes stored in the stash becomes the differences
+ between the index and the working tree (i.e. `git diff`), except
+ that newly created files are registered in the index (i.e. `git diff
+ --cached` is necessary to review the newly added files).
+
+clear::
+ Removes all the stashed states.
+
+
+DISCUSSION
+----------
+
+A stash is represented as a commit whose tree records the state of the
+working directory, and its first parent is the commit at `HEAD` when
+the stash was created. The tree of the second parent records the
+state of the index when the stash is made, and it is made a child of
+the `HEAD` commit. The ancestry graph looks like this:
+
+ .----W
+ / /
+ ...--H----I
+
+where `H` is the `HEAD` commit, `I` is a commit that records the state
+of the index, and `W` is a commit that records the state of the working
+tree.
+
+
+EXAMPLES
+--------
+
+Pulling into a dirty tree::
+
+When you are in the middle of something, you learn that there are
+changes that possibly are relevant to what you are doing in the
+upstream. When your local changes do not conflict with the changes in
+the upstream, a simple `git pull` will let you move forward.
++
+However, there are cases in which your local changes do conflict with
+the upstream changes, and `git pull` refuses to overwrite your
+changes. In such a case, you can first stash your changes away,
+perform a pull, and then unstash, like this:
++
+----------------------------------------------------------------
+$ git pull
+...
+file foobar not up to date, cannot merge.
+$ git stash
+$ git pull
+$ git stash apply
+----------------------------------------------------------------
+
+Interrupted workflow::
+
+When you are in the middle of something, your boss comes in and
+demands you to fix something immediately. Traditionally, you would
+make a commit to a temporary branch to store your changes away, and
+come back to make the emergency fix, like this:
++
+----------------------------------------------------------------
+... hack hack hack ...
+$ git checkout -b my_wip
+$ git commit -a -m "WIP"
+$ git checkout master
+$ edit emergency fix
+$ git commit -a -m "Fix in a hurry"
+$ git checkout my_wip
+$ git reset --soft HEAD^
+... continue hacking ...
+----------------------------------------------------------------
++
+You can use `git-stash` to simplify the above, like this:
++
+----------------------------------------------------------------
+... hack hack hack ...
+$ git stash
+$ edit emergency fix
+$ git commit -a -m "Fix in a hurry"
+$ git stash apply
+... continue hacking ...
+----------------------------------------------------------------
+
+SEE ALSO
+--------
+gitlink:git-checkout[1],
+gitlink:git-commit[1],
+gitlink:git-reflog[1],
+gitlink:git-reset[1]
+
+AUTHOR
+------
+Written by Nanako Shiraishi <nanako3@bluebottle.com>
+
+GIT
+---
+Part of the gitlink:git[7] suite