Stash changes to specific files
I have a large git project that I, stupidly, imported to eclipse and ran an autoformat on. Now, every file in the project is showing as modified. Rather than commit my formatted files, I would rather revert all the files that I have only been formatted and not had other changes. For instance:
$ git status
# On branch master
# Changes not staged for commit:
# (use "git add <file>..." to update what will be committed)
# (use "git checkout -- <file>..." to discard changes in working directory)
# (commit or discard the untracked or modified content in submodules)
# modified: dir/file1.cpp
# modified: dir/file1.h
# modified: dir/file2.cpp
# modified: dir/file2.h
# modified: dir/file3.cpp
# modified: dir/file3.h
# modified: dir/file4.cpp
# modified: dir/file4.h
I know that file2.cpp , file2.h , and file3.cpp have been modified with content (ie, not just formatted). I want to stash the changes to these three files and then checkout an old revision, so that I can reapply the changes to these files after. I would rather avoid something like:
$ cp file2.cpp ~/tmp
$ git checkout blahblahblah
$ cp ~/tmp/file2.cpp .
If there's an obvious way to do this that doesnt involve stashing, let me know. whatever gets the job done.
You can add the files with changes you want to keep, then stash the rest of the files and clear the stash:
git add file2.cpp file2.h file3.cpp
git stash --keep-index
At this point, you've stashed your unwanted changes. If you'd like to permanently get rid of them, run:
git stash drop
Now you have file2.cpp , file2.h , and file3.cpp staged for commit. If you then want to stash these files (and not commit them):
git reset
git stash
Now you'll be at your previous commit, with only those three files stashed.
Update:
Git 2.13 and later includes a more direct way to stash specific files with git stash push , as VonC explains in his answer.
I know that file2.cpp , file2.h , and file3.cpp have been modified with content (ie, not just formatted).
I want to stash the changes to these three files and then checkout an old revision, so that I can reapply the changes to these files after.
With Git 2.13 (Q2 2017), git stash will have officially a way to stash changes for specific files with
git stash push [--] [<pathspec>...]
See commit 9e14090, commit 1ada502, commit df6bba0 (28 Feb 2017), and commit 9ca6326, commit 6f5ccd4, commit f5727e2 (19 Feb 2017) by Thomas Gummerer ( tgummerer ).
(Merged by Junio C Hamano -- gitster -- in commit 44c3f09, 10 Mar 2017)
As now documented:
For quickly making a snapshot, you can omit "push".
In this mode, non-option arguments are not allowed to prevent a misspelled subcommand from making an unwanted stash.
The two exceptions to this are stash -p which acts as alias for stash push -p and pathspecs, which are allowed after a double hyphen -- for disambiguation.
When pathspec is given to ' git stash push ', the new stash records the modified states only for the files that match the pathspec .
The index entries and working tree files are then rolled back to the state in HEAD only for these files, too, leaving files that do not match the pathspec intact.
Note, as pointed out by medmunds in the comments, that git stash would use paths relative to the root folder of the git repo.
A nice option is using the interactive stash mode.
git stash --patch
It works mostly like the interactive add mode: you are going to be presented with a series of diffs showing the changes you have in your working tree and you have to choose which files (or only certain parts of a file!) you want to stash, the rest will be left intact.
From man git-stash :
With --patch, you can interactively select hunks from the diff between HEAD and the working tree to be stashed. The stash entry is constructed such that its index state is the same as the index state of your repository, and its worktree contains only the changes you selected interactively. The selected changes are then rolled back from your worktree. See the "Interactive Mode" section of git-add(1) to learn how to operate the --patch mode.
In your case, you will be able to see formatting-only hunks and stash them individually, without loosing your meaningful changes.
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