Git Stash

Git Stash

Git has an area called the stash where you can temporarily store a snapshot of your changes without committing them to the repository. It’s separate from the working directory, the staging area, or the repository.

This functionality is useful when you’ve made changes to a branch that you aren’t ready to commit, but you need to switch to another branch. This is where git stash comes in handy. This takes a working tree and files it away in a location which can be retrieved at a later stage. The stash can then be popped to get the changes back as they were prior to the stash taking place.

Stash Changes

To save your changes in the stash, run the command:

git stash save "optional message for yourself"

This saves your changes and reverts the working directory to what it looked like for the latest commit. Stashed changes are available from any branch in that repository. You can optionally use git stash to stash your changes without any message, and git will give it a default name.

Note that changes you want to stash need to be on tracked files. If you created a new file and try to stash your changes, you may get the error No local changes to save. To stash all changes, including untracked files, you can add the -u option (or --include-untracked). To tell git to track a new file you created, run the command:

git add <name of the new file>

View Stashed Changes

To see what is in your stash, run the command:

git stash list

This returns a list of your saved snapshots in the format [email protected]{0}: BRANCH-STASHED-CHANGES-ARE-FOR: MESSAGE. The [email protected]{0} part is the name of the stash, and the number in the curly braces ({ }) is the index of that stash. If you have multiple change sets stashed, each one will have a different index.

If you forgot what changes were made in the stash, you can see a summary of them with git stash show NAME-OF-STASH. If you want to see the typical diff-style patch layout (with the +’s and -‘s for line-by-line changes), you can include the -p (for patch) option. Here’s an example:

git stash show -p [email protected]{0} # Example result: diff --git a/PathToFile/fileA b/PathToFile/fileA index 2417dd9..b2c9092 100644 --- a/PathToFile/fileA +++ b/PathToFile/fileA @@ -1,4 +1,4 @@ -What this line looks like on branch +What this line looks like with stashed changes

Retrieve Stashed Changes

To retrieve changes out of the stash and apply them to the current branch you’re on, you have two options:

  1. git stash apply STASH-NAME applies the changes and leaves a copy in the stash
  2. git stash pop STASH-NAME applies the changes and removes the files from the stash

You can optionally use git stash pop without any stash name, and git will apply the last saved changes.

There may be conflicts when you apply changes. You can resolve the conflicts similar to a merge (see Git merge for details).

Delete Stashed Changes

If you want to remove stashed changes without applying them, run the command:

git stash drop STASH-NAME

To clear the entire stash, run the command:

git stash clear

More Information:

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