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Better commit attribution while pairing without messing with your git workflow.

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git-together

CI

Following in the footsteps of git-pair and git-duet, but without needing to change your existing git habits.

Installation

brew install kejadlen/git-together/git-together

Configuration

Here's one way to configure git-together, but since it uses git config to store information, there are many other ways to do it. This particular example assumes a desire to store authors at the repo-level in a .git-together file.

# `git-together` is meant to be aliased as `git`
alias git=git-together

# Use .git-together per project for author configuration 
git config --add include.path ../.git-together
# Or use one .git-together for all projects
git config --global --add include.path ~/.git-together

# Setting the default domain
git config --file .git-together --add git-together.domain rocinante.com

# Adding a couple authors
git config --file .git-together --add git-together.authors.jh 'James Holden; jholden'
git config --file .git-together --add git-together.authors.nn 'Naomi Nagata; nnagata'

# Adding an author with a different domain
git config --file .git-together --add git-together.authors.ca 'Chrisjen Avasarala; [email protected]'

For completion with zsh, you'll need to update your .zshrc to copy the existing completion rules from the main git binary

# initialize the compinit system if not already
autoload -U compinit
compinit

# tell zsh to use the completion setup for the git when using git-together
compdef git-together=git

Usage

# Pairing
git with jh nn
# ...
git commit

# Soloing
git with nn
# ...
git commit

# Mobbing
git with jh nn ca
# ...
git commit

Soloing and mobbing are automatically set by the number of authors passed to git with. git-together rotates authors by default after making a commit so that the author/committer roles are fairly spread across the pair/mob over time.

Aliases are supported as well. You can make git-together do its thing when you use an alias for a committing command by configuring a comma-separated list of aliases:

git config git-together.aliases ci,rv,m
# ...
git ci

By default, git-together sets and rotates pairs for a single local repository. If you are working across multiple repos with a pair on a regular basis, this can be difficult to set across all of them. The --global flag can be passed along to set a global pair. git-together will still default to a local repository, so if you'd like to reset from local to global, you can use the --clear flag.

# Set for all repos
git with --global jh nn

# Override in single repo
git with nn

# Clear local and move back to global
git with --clear

Technical Details

Because repo-level authors are common and there's no good way of configuring git config on cloning a repo, git-together will automatically include .git-together to git config if it exists. (See GitConfig::auto_include for details.) This allows git-together to work immediately on cloning a repo without manual configuration.

Under the hood, git-together sets GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, GIT_COMMITTER_NAME, and GIT_COMMITTER_EMAIL for the commit, merge, and revert subcommands so that git commits have the correct attribution.. git-together also adds the --signoff argument to the commit and revert subcommands so that the commit message includes the Signed-off-by: line.

Known Issues

git-together works by aliasing git itself, so there are going to be issues with git's in-built aliases as well as other utilities (such as Hub) that work in the same manner.

Development

Rust version

Install rust using the rustup tool. Installing from homebrew won't work because some nightly features of rust are needed to build.

Then, switch to the nightly with

rustup default nightly

Bats

Bats is a bash testing framework, used here for integration tests. This can be installed with homebrew.

brew install bats

Testing

cargo test
./bats/integration.bats

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Better commit attribution while pairing without messing with your git workflow.

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