Git – How to squash commits into one patch with git format-patch

gitgit-squashpatchsquash

I've got eight commits on a branch that I'd like to email to some people who aren't git enlightened, yet. So far, everything I do either gives me 8 patch files, or starts giving me patch files for every commit in the branch's history, since the beginning of time. I used git rebase –interactive to squash the commits, but now everything I try gives me zillions of patches from the beginning of time. What am I doing wrong?

git format-patch master HEAD # yields zillions of patches, even though there's 
                             # only one commit since master

Best Answer

I'd recommend doing this on a throwaway branch as follows. If your commits are in the "newlines" branch and you have switched back to your "master" branch already, this should do the trick:

[adam@mbp2600 example (master)]$ git checkout -b tmpsquash
Switched to a new branch "tmpsquash"

[adam@mbp2600 example (tmpsquash)]$ git merge --squash newlines
Updating 4d2de39..b6768b2
Fast forward
Squash commit -- not updating HEAD
 test.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

[adam@mbp2600 example (tmpsquash)]$ git commit -a -m "My squashed commits"
[tmpsquash]: created 75b0a89: "My squashed commits"
 1 files changed, 2 insertions(+), 0 deletions(-)

[adam@mbp2600 example (tmpsquash)]$ git format-patch master
0001-My-squashed-commits.patch
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