Change iTerm2 tab color when using SSH

iterm2.zsh

# Usage:
# source iterm2.zsh

# iTerm2 tab color commands
# https://iterm2.com/documentation-escape-codes.html

if [[ -n "$ITERM_SESSION_ID" ]]; then
    tab-color() {
        echo -ne "\033]6;1;bg;red;brightness;$1\a"
        echo -ne "\033]6;1;bg;green;brightness;$2\a"
        echo -ne "\033]6;1;bg;blue;brightness;$3\a"
    }
    tab-red() { tab-color 255 0 0 }
    tab-green() { tab-color 0 255 0 }
    tab-blue() { tab-color 0 0 255 }
    tab-reset() { echo -ne "\033]6;1;bg;*;default\a" }

    function iterm2_tab_precmd() {
        tab-reset
    }

    function iterm2_tab_preexec() {
        if [[ "$1" =~ "^ssh " ]]; then
            if [[ "$1" =~ "prod" ]]; then
                tab-color 255 160 160
            else
                tab-color 160 255 160
            fi
        else
            tab-color 160 160 255
        fi
    }

    autoload -U add-zsh-hook
    add-zsh-hook precmd  iterm2_tab_precmd
    add-zsh-hook preexec iterm2_tab_preexec
fi

Thanks!

It's so fantastic !!

thx!

Thanks! good.

This is amazing. Thanks for that!

Awesome man, thanks!

This is great, but does this break Ctrl+c for you, meaning: it cancels executions but if you want to cancel something you're typing then that doesn't work

@zeitos I have the same problem - and I cannot use the ctrl+c key afterwards

Update: solved it with

tab_reset()
{
    echo -ne "\033]6;1;bg;*;default\a"
    trap - INT EXIT
}

Updated URL for the iTerm2 proprietary escape code documentation: https://iterm2.com/documentation-escape-codes.html

Wow, glad to see so many people are finding this and finding it useful.

BTW, I am now using a slightly different implementation of this that doesn't require aliasing the ssh command (uses pre / post command hooks instead). Check it out here: https://github.com/wadey/dotfiles/blob/master/zsh/iterm2.zsh

@wadey I'm working on making your dotfile above into a configurable Prezto package. With your blessings, I will post a pull-request on sorin-ionescu/prezto under an MIT licence. Let me know.

@wadey thanks for the non-ssh method. Works great. One question, would it be possible to split the tab while maintaining two separate colors? Workflow: Open new tab -> split tab -> ssh into two separate hosts -> flip between two hosts and the tab color changes.

@Glutnix How did it go with the configurable Prezto package? Would like to try it out if it became real :)

@wadey Where do i put this file to use it?

This is awesome, thanks!

Thanks!

I updated this gist with the better version, using pre and post hooks!

hi,
i'm a newbie, just try iterm2 few days. After source iterm2.zsh , how to use it ? do u have an example or README for newbie?
tks!

hi,
i'm a newbie, just try iterm2 few days. After source iterm2.zsh , how to use it ? do u have an example or README for newbie?
tks!

At least how I'm using it, I have added it under plugin directory: $ZSH_CUSTOM/plugins/iterm2/iterm2.plugin.zsh and in .zshrc I have set ZSH_CUSTOM=~/example/zsh-custom and added to the plugins=(... iterm2)

hi,
i'm a newbie, just try iterm2 few days. After source iterm2.zsh , how to use it ? do u have an example or README for newbie?
tks!

At least how I'm using it, I have added it under plugin directory: $ZSH_CUSTOM/plugins/iterm2/iterm2.plugin.zsh and in .zshrc I have set ZSH_CUSTOM=~/example/zsh-custom and added to the plugins=(... iterm2)

nice!! it's working now, tks!!

@wadey do you know if there is a way to change the background as well?

Is it possible to only color the title bar or use darker color on the tab bar location

The possibilities are documented here: https://www.iterm2.com/documentation-escape-codes.html

Its like tab bar's color is brighter of the given color and not same color as the title bar. When the color is set it is assigned on the both title bar and tab bar but tab bar always makes the color much bright

For example for: tab-color 160 160 255

How do I use this?

thanks for sharing this! nice job. If you put some comments to explain some lines, that would be great.