104 lines
3.6 KiB
Plaintext
104 lines
3.6 KiB
Plaintext
=Bashrc=
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Source: https://git.thurstylark.com/vcsh/bashrc.git
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----
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==Prompt==
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I originally built my prompt using http://bashrcgenerator.com and, while it's a nice tool for visually building a prompt, it has several limitations on what you're able to create with it. But more importantly to me, it generates a rediculously long string, defines and resets color for every single character, uses both a color and bold escape sequence to use light/bright colors, mixes raw escape sequences and subshells running tput, and as a result is utterly unreadable and unmaintainable.
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So, I replaced it:
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{{{class="prettyprint"
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### PROMPT ###
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promptsetup() {
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# Color definitions for prompt
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local fg_brightred='\[$(tput setaf 9)\]'
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local fg_blue='\[$(tput setaf 4)\]'
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local fg_magenta='\[$(tput setaf 13)\]'
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local fg_cyan='\[$(tput setaf 6)\]'
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local fg_brightcyan='\[$(tput setaf 14)\]'
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local reset='\[$(tput sgr0)\]'
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# [hh:mm][username@hostname pwd]$
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if [ -n "$SSH_CLIENT" ]; then
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# Remotely, hostname is red.
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PS1="${fg_blue}[\A]${fg_cyan}[${fg_brightcyan}\u${fg_cyan}@${fg_brightred}\h ${fg_cyan}\W]${reset}\$ "
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elif [ -n "$VCSH_REPO_NAME" ]; then
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# If in a vcsh repo env, add repo name in magenta.
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PS1="${fg_blue}[\A]${fg_cyan}[${fg_brightcyan}\u${fg_cyan}@\h ${fg_magenta}$VCSH_REPO_NAME ${fg_cyan}\W]${reset}\$ "
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else
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# Locally, hostname is cyan.
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PS1="${fg_blue}[\A]${fg_cyan}[${fg_brightcyan}\u${fg_cyan}@\h \W]${reset}\$ "
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fi
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}
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promptsetup
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}}}
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I intentionally put everything in a function and call it immediately so I may use local vars for the color definitions. I didn't really want to leave them around just in case.
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----
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==Profile==
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Bash chooses which dotfile to source based on how it gets run. If starting from a login shell, `~/.bash_profile` will get sourced, but if there's not a command in there to source your `~/.bashrc`, you may find yourself having to `exec bash` after starting bash. This can be fixed by adding the following line to your `~/.bash_profile`:
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{{{class="prettyprint"
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[[ -f ~/.bashrc ]] && . ~/.bashrc
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}}}
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I also use `~/.bash_profile` for setting numlock while in a tty:
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{{{class="prettyprint"
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case $(tty) in /dev/tty[0-9]*)
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setleds -D +num # (numlock for X is set in ~/.xinitrc)
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;;
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esac
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}}}
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The last thing of note in my `~/.bash_profile` is a warning:
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{{{class="prettyprint"
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# Temporary fix for a systemd bug related to systemd --user timers that run on login
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[[ -z "$DBUS_SESSION_BUS_ADDRESS" ]] && printf "%bWARNING: \$DBUS_SESSION_BUS_ADDRESS is unset! %b\n" "$(tput bold)$(tput setab 1)" "$(tput sgr0)"
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}}}
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----
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==Weechat==
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The alias portion of my [[Weechat]] configuration is set in the .bashrc like so:
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{{{class="prettyprint"
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# If you don't have weechat installed, connect to the existing tmux session through mosh
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[[ ! -s /usr/bin/weechat ]] && alias weechat='mosh vps -- tmux attach -dt weechat'
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# If you are thurstylark-vps, connect to the existing tmux session locally
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[[ "$HOSTNAME" = "thurstylark-vps" ]] && alias weechat='tmux attach -dt weechat'
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}}}
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For more info, see the [[Weechat]] page.
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----
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==Get Dell Service Tag==
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I work with Dell machines a lot, and when dealing with hardware problems, it's nice to have the service tag handy. Lucky for me, the service tag is easily retrieveable using `dmidecode(1)`, so I made a function for it.
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{{{class="prettyprint"
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# Print Dell Service Tag
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getdst() {
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if [[ "$1" = "-l" ]]; then
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printf "http://www.dell.com/support/home/us/en/04/product-support/servicetag/%s\n" "$(getdst)"
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else
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sudo dmidecode -s system-serial-number
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fi
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}
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}}}
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As an added bonus, the `-l` option will print the url for that product's support page.
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