# Gerrit Code Review - Project Configuration

version 2.4.4-7-gb988c79

## Create Through SSH

Creating a new repository over SSH is perhaps the easiest way to configure a new project:

    ssh -p 29418 review.example.com gerrit create-project --name new/project

See gerrit create-project for more details.

## Manual Creation

Projects may also be manually created.

### Create Git Repository

Create a Git repository under gerrit.basePath:

    git --git-dir=$base_path/new/project.git init

Tip | By tradition the repository directory name should have a `.git` suffix.

To also make this repository available over the anonymous git:// protocol, don’t forget to create a `git-daemon-export-ok` file:

    touch $base_path/new/project.git/git-daemon-export-ok

### Register Project

Either restart the server, or flush the `project_list` cache:

    ssh -p 29418 localhost gerrit flush-caches --cache project_list

## Change Submit Action

The method Gerrit uses to submit a change to a project can be modified by any project owner through the project console, `Admin` > `Projects`. The following methods are supported:

- Fast Forward Only

  This method produces a strictly linear history. All merges must be handled on the client, prior to uploading to Gerrit for review.

  To submit a change, the change must be a strict superset of the destination branch. That is, the change must already contain the tip of the destination branch at submit time.

- Merge If Necessary

  This is the default for a new project.

  If the change being submitted is a strict superset of the destination branch, then the branch is fast-forwarded to the change. If not, then a merge commit is automatically created. This is identical to the classical `git merge` behavior, or `git merge --ff`.

- Always Merge

  Always produce a merge commit, even if the change is a strict superset of the destination branch. This is identical to the behavior of `git merge --no-ff`, and may be useful if the project needs to follow submits with `git log --first-parent`.

- Cherry Pick

  Always cherry pick the patch set, ignoring the parent lineage and instead creating a brand new commit on top of the current branch head.

  When cherry picking a change, Gerrit automatically appends onto the end of the commit message a short summary of the change’s approvals, and a URL link back to the change on the web. The committer header is also set to the submitter, while the author header retains the original patch set author.

  Note that Gerrit ignores patch set dependencies when operating in cherry-pick mode. Submitters must remember to submit changes in the right order since inter-change dependencies will not be enforced for them.

When Gerrit tries to do a merge, by default the merge will only succeed if there is no path conflict. By selecting the checkbox `Automatically resolve conflicts` Gerrit will try do a content merge if a path conflict occurs.

## Registering Additional Branches

Branches can be created over the SSH port by any `git push` client, if the user has been granted the `Create Reference` access right.

Additional branches can also be created through the web UI, assuming at least one commit already exists in the project repository. A project owner can create additional branches under `Admin` > `Projects` > `Branches`. Enter the new branch name, and the starting Git revision. Branch names that don’t start with `refs/` will automatically have `refs/heads/` prefixed to ensure they are a standard Git branch name. Almost any valid SHA-1 expression can be used to specify the starting revision, so long as it resolves to a commit object. Abbreviated SHA-1s are not supported.

Part of Gerrit Code Review