Adding Git repo and branch to Tmux status line

Question

I have found a Tmux configuration file that shows how to add the Git branch to the Tmux status line, however It just shows [[ branch ]] no matter if I am in a Git repo or not. I am not sure if this requires git-completion, but if so I'm not even sure if it is installed as it is a 'virtual' package in Ubuntu (the leading 'v' means 'virtual'):

$ aptitude search git-completion
v   git-completion

$ sudo apt-get install git-completion
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Note, selecting 'git' instead of 'git-completion'
git is already the newest version.

How might I add the branch and also the git repo name for the CWD to the Tmux status line?

Thanks.

Solution 1

I developed a Bash script for doing that: tmux-git.

tmux-git shows the Git branch of the current working directory, and also checks for uncommited and stashed changes.

Solution 2

This is a lot easier in newer versions of tmux:

set -g status-right '#(cd #{pane_current_path}; git rev-parse --abbrev-ref HEAD)'

Solution 3

I developer a platform and shell-independent solution to show Git working tree information into Git status bar: gitmux.
Here's the screencast on the project pageREADME:

As well as showing the branch and remote, it shows additional information about the status of the Git working tree :

• number of commits ahead / behind upstream branch, branch divergence
• number of changed files, staged, modified, conflicts and *stashes** elements
• colors

How it works

By adding set -g status-right '#(gitmux #{pane_current_path})' to your .tmux.conf, gitmux gets called each the working directory updates or a command is entered in a terminal, gitmux prints a tmux format string of git status, that gets shown in tmux status bar. Or, nothing gets printed in case the working directory is not managed by Git.

Comments

[Speederer]

This doesn't really answer the question, just provides a workaround for bash users.

[Jasha]

This works, but it does not update when I change directory or git branch. It only updates when I use the tmux prefix to update tmux's state.