I'm using Git 188.8.131.52 on GNU/Linux.
I need to backport a discrete set of commits to an older release branch.
Because this is an older branch I definitely do not want to merge: I
need to either rebase or cherry-pick or whatever.
Rebase doesn't seem to be an option, because the set of commits aren't
on their own branch and rebase doesn't appear to allow specifying a
specific list of commits to rebase. I could use rebase -i, but the
branches have diverged so far that there are hundreds of commits I'd
have to skip just to the the 8 or so I want to keep. Too annoying.
So I was going to use cherry-pick but ran into two problems:
The first one is that I wanted to cherry-pick a range, plus a straggler,
so I did this which appears from the man page to be what I want
(obviously my real command uses SHAs):
git cherry-pick A^..F J
The intent is to skip commits G, H, and I. However, this does not work;
it attempts to cherry pick ALL the commits in the range A..J, including
G, H, and I.
Is this a bug in Git, or am I misunderstanding something?
So then I decided to list the commots one at a time on the command line
rather than use the range. These commits are all a flailing attempt to
fix a problem (unfortunately in order to get these changes into our test
system they had to be pushed so this flailing is now public *sigh*) so I
thought I would like to use the "-n" flag with cherry-pick to do a kind
of "merge --squash" and combine all the flailing into one commit.
However, the very first cherry-pick had a conflict I needed to resolve,
so I did resolve it. Normally one would then "git add" and "git
cherry-pick --continue" but doing so with -n gives an error:
error: Your local changes would be overwritten by cherry-pick.
hint: Commit your changes or stash them to proceed.
fatal: cherry-pick failed
If I try NOT "git add"ing the change before running --continue then I
error: Your local changes to the following files would be overwritten by
Please, commit your changes or stash them before you can merge.
So, am I missing something or is "git cherry-pick -n" just not usable in
any situation where you might have a conflict that needs to be resolved?
I'm going to create a temporary branch and run the cherry-pick there
(without -n), then do a merge --squash, which I expect will work. But I
wonder if the above are bugs I should report, or misunderstandings on my
part, or simply expecting too much of the tool.
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