Submit new/fixed code to an existing Gerrit branch after review

Question

How do I submit a new 'Patch Set' to an existing Gerrit branch that's been reviewed? When I log into the review website, I am given a chance to copy checkout/pull/cherry-pick and patch commands..

I tried the checkout command to get the code into my local workspace:

git fetch http://website/project refs/changes/##/####/# && git checkout FETCH_HEAD
git checkout -b my_new_branch

Then I made changes to the files then I added the local files to the branch by running

git add <filename>

now to submit them back to the repository, I figured I would need to do a

repo commit -m "message"
repo upload <projectname>

but it was telling me I don't have a branch!! So I tried a

repo start <branch name> <project name>

and that cleared my changes.... back to point A.... what are the PROPER order of commands here :) sorry folks, I am still trying to wrap my head around this whole git system! Blaaah... SVN user here :)

Answer 1

We are using gerrit without repo so this would be my approach to amend an existing patch after a review:

Checkout the change (the checkout -b is optional but recommended)

# From gerrit web, button "Download->Checkout"
git fetch http://website/project refs/changes/##/####/# && git checkout FETCH_HEAD

# This is a good moment to create a local branch, just in case...
git checkout -b my_new_branch

Fix things, fix commit and push for review. Git will give you a chance to edit the message, remember to keep the Change-Id or add it if you don't have any hook

git add <filename>
git commit --amend
git push http://website/project HEAD:refs/for/<branch_name>

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You can get the branch name and Change-Id from the existing Change in the gerrit web interface.

More info: Gerrit Uploading changes