Almost every developer loves his/her cool and colorful shell, so I install oh-my-zsh on my laptops and remote servers. However, as I use similar themes of oh-my-zsh and I also have the exactly same user name, most time I could not distinguish the actual machine on which I was operating.
I tried to search online about how to decorate the zsh prompt so that I can insert a machine label within it. Unfortunetely, all articles which I could find specified that it has to overwrite the
PROMPT environment variable in the
~/.zshrc file. These kinds of solutions will nail the prompt even though users change their zsh theme in the future.
Fortunately, I suddenly realized that I could export the
PROMPT variable with shell substitution, that is my final solution:
# ~/.zshrc source $ZSH/oh-my-zsh.sh # ... some lines, it is worth mentioning that the below # line have to be after `source $ZSH/oh-my-zsh.sh` export PROMPT="[devcloud]$PROMPT"
Now my shell will always be prefixed a
[devcloud] label, I also added different labels on my different VPS so that I can judge if I am operating on a server quickly.
The below shows the screenshot that prefix the prompt with a