Fish Shell

Installing Fish:

[cc lang=”bash”]
brew install fish
[/cc]

Displaying the branch name in the prompt:

Place the following script here: ~/.config/fish/config.fish

[cc lang=”bash”]
set fish_git_dirty_color red
set fish_git_not_dirty_color green

function parse_git_branch
set -l branch (git branch 2> /dev/null | grep -e ‘\* ‘ | sed ‘s/^..\(.*\)/\1/’)
set -l git_diff (git diff)

if test -n “$git_diff”
echo (set_color $fish_git_dirty_color)$branch(set_color normal)
else
echo (set_color $fish_git_not_dirty_color)$branch(set_color normal)
end
end

function fish_prompt
if test -d .git
printf ‘%s@%s %s%s%s:%s> ‘ (whoami) (hostname|cut -d . -f 1) (set_color $fish_color_cwd) (prompt_pwd) (set_color normal) (parse_git_branch)
else
printf ‘%s@%s %s%s%s> ‘ (whoami) (hostname|cut -d . -f 1) (set_color $fish_color_cwd) (prompt_pwd) (set_color normal)
end
end
[/cc]

Reference here (Thanks for sharing the snippet!)