How would I extract a single file or changes to a file from a git stash

Question

I d like to know if it is possible to extract a single file or diff of a file from a git stash without popping the stash changeset off   Might anyone be able to provide some suggestions ideas about this

User · Answer

git checkout stash  0  --  lt filename gt    Notes    Make sure you put space after the  --  and the file name parameter Replace zero 0  with your specific stash number  To get stash list  use    git stash list    Based on Jakub Narebski s answer -- Shorter version

User · Answer

If the stashed files need to merge with the current version so use the previous ways using diff  Otherwise you might use git pop for unstashing them  git add fileWantToKeep for staging your file  and do a git stash save --keep-index  for stashing everything except what is on stage  Remember that the difference of this way with the previous ones is that it  pops  the file from stash  The previous answers keep it git checkout stash  0  --  lt filename gt  so it goes according to your needs

User · Answer

On the git stash manpage you can read  in the  Discussion  section  just after  Options  description  that      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    So you can treat stash  e g  stash  0  is first   topmost stash  as a merge commit  and use     git diff stash  0  1 stash  0  --  lt filename gt    Explanation  stash  0  1 means the first parent of the given stash  which as stated in the explanation above is the commit at which changes were stashed away  We use this form of  git diff   with two commits  because stash  0    refs stash is a merge commit  and we have to tell git which parent we want to diff against  More cryptic     git diff stash  0    --  lt filename gt    should also work  see git rev-parse manpage for explanation of rev   syntax  in  Specifying ranges  section    Likewise  you can use git checkout to check a single file out of the stash     git checkout stash  0  --  lt filename gt    or to save it under another filename     git show stash  0   lt full filename gt    gt    lt newfile gt    or    git show stash  0     lt relative filename gt   gt   lt newfile gt     note that here  lt full filename gt  is full pathname of a file relative to top directory of a project  think  relative to stash  0        You might need to protect stash  0  from shell expansion  i e  use  stash  0   or  stash  0

User · Answer

Use the following to apply the changes to a file in a stash to your working tree   git diff stash   --  lt filename gt    git apply   This is generally better than using git checkout because you won t lose any changes you made to file since you created the stash

User · Answer

Short answer  To see the whole file  git show stash  0   lt filename gt   To see the diff  git diff stash  0  1 stash  0  --  lt filename gt

User · Answer

If you use git stash apply rather than git stash pop  it will apply the stash to your working tree but still keep the stash   With this done  you can add commit the file that you want and then reset the remaining changes

User · Answer

You can get the diff for a stash with  git show stash  0    or whatever the number of the stash is  see  git stash list     It s easy to extract the section of the diff for a single file

User · Answer

The simplest concept to understand  although maybe not the best  is you have three files changed and you want to stash one file   If you do git stash to stash them all  git stash apply to bring them back again and then git checkout f c on the file in question to effectively reset it   When you want to unstash that file run do a git reset --hard and then run git stash apply again  taking advantage ofthe fact that git stash apply doesn t clear the diff from the stash stack

User · Answer

Edit  See cambunctious s answer  which is basically what I now prefer because it only uses the changes in the stash  rather than comparing them to your current state  This makes the operation additive  with much less chance of undoing work done since the stash was created  To do it interactively  you would first do git diff stash   -- path to relevant file in stash ext perhaps another file ext  gt  my patch     then open the patch file in a text editor  alter as required  then do git apply  lt  my patch  cambunctious s answer bypasses the interactivity by piping one command directly to the other  which is fine if you know you want all changes from the stash  You can edit the stash   to be any commit range that has the cumulative changes you want  but check over the output of the diff first   If applying the patch diff fails  you can change the last command to git apply --reject which makes all the changes it can  and leaves  rej files where there are conflicts it can r resolve  The  rej files can then be applied using wiggle  like so  wiggle --replace path to relevant file in stash ext path to relevant file in stash ext rej  This will either resolve the conflict  or give you conflict markers that you d get from a merge   Previous solution  There is an easy way to get changes from any branch  including stashes    git checkout --patch stash  0  path to file  You may omit the file spec if you want to patch in many parts  Or omit patch  but not the path  to get all changes to a single file  Replace 0 with the stash number from git stash list  if you have more than one  Note that this is like diff  and offers to apply all differences between the branches  To get changes from only a single commit stash  have a look at git cherry-pick --no-commit

[git] How would I extract a single file (or changes to a file) from a git stash?

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