352 lines
12 KiB
Bash
352 lines
12 KiB
Bash
### EXPORT ###
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export TERM="xterm-256color" # getting proper colors
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export HISTCONTROL=ignoredups:erasedups # no duplicate entries
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### "bat" as manpager
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export MANPAGER="sh -c 'sed -u -e \"s/\\x1B\[[0-9;]*m//g; s/.\\x08//g\" | bat -p -lman'"
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# use bash-completion, if available
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[[ $PS1 && -f /usr/share/bash-completion/bash_completion ]] && \
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. /usr/share/bash-completion/bash_completion
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# if not running interactively, don't do anything
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[[ $- != *i* ]] && return
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### SET VI MODE ###
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# Comment this line out to enable default emacs-like bindings
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set -o vi
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bind -m vi-command 'Control-l: clear-screen'
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bind -m vi-insert 'Control-l: clear-screen'
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### CHANGE TITLE OF TERMINALS ###
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case ${TERM} in
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xterm*|rxvt*|Eterm*|aterm|kterm|gnome*|alacritty|st|konsole*)
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PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007"'
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;;
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screen*)
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PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\033\\"'
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;;
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esac
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### SHOPT ###
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shopt -s autocd # change to named directory
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shopt -s cdspell # autocorrects cd misspellings
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shopt -s cmdhist # save multi-line commands in history as single line
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shopt -s dotglob
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shopt -s histappend # do not overwrite history
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shopt -s expand_aliases # expand aliases
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shopt -s checkwinsize # checks term size when bash regains control
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# ignore upper and lowercase when TAB completion
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bind "set completion-ignore-case on"
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# sudo not required for some system commands
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for command in cryptsetup mount umount poweroff reboot ; do
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alias $command="sudo $command"
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done; unset command
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### ARCHIVE EXTRACTION ###
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# usage: ex <file>
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function ex() {
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if [ -f "$1" ] ; then
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case $1 in
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*.tar.bz2) tar xjf "$1" ;;
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*.tar.gz) tar xzf "$1" ;;
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*.bz2) bunzip2 "$1" ;;
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*.rar) unrar x "$1" ;;
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*.gz) gunzip "$1" ;;
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*.tar) tar xf "$1" ;;
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*.tbz2) tar xjf "$1" ;;
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*.tgz) tar xzf "$1" ;;
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*.zip) unzip "$1" ;;
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*.Z) uncompress "$1";;
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*.7z) 7zz x "$1" ;;
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*.deb) ar x "$1" ;;
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*.tar.xz) tar xf "$1" ;;
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*.tar.zst) unzstd "$1" ;;
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*) echo "'$1' cannot be extracted via ex()" ;;
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esac
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else
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echo "'$1' is not a valid file"
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fi
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}
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### ALIASES ###
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# navigation
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function up () {
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local d=""
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local limit="$1"
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# Default to limit of 1
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if [ -z "$limit" ] || [ "$limit" -le 0 ]; then
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limit=1
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fi
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for ((i=1;i<=limit;i++)); do
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d="../$d"
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done
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# perform cd. Show error if cd fails
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if ! cd "$d"; then
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echo "Couldn't go up $limit dirs.";
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fi
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}
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# unlock ssh keys
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function unlock() {
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ssh-add "$HOME/.ssh/$1"
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}
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# cd
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alias \
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..="cd .." \
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.2="cd ../.." \
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.3="cd ../../.." \
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.4="cd ../../../.." \
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.5="cd ../../../../.."
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# bat as cat
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[ -x "$(command -v bat)" ] && alias cat="bat"
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# fastfetch as neofetch
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[ -x "$(command -v fastfetch)" ] && alias neofetch="fastfetch"
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# use lunarvim or neovim for vim if present.
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if [ -x "$(command -v $HOME/.local/bin/lvim)" ]; then
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alias vim="$HOME/.local/bin/lvim"
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elif [ -x "$(command -v nvim)" ]; then
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alias vim="nvim"
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fi
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# Changing "ls" to "eza"
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[ -x "$(command -v eza)" ] && alias \
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ls="eza --icons -al --color=always --group-directories-first" \
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la="eza --icons -a --color=always --group-directories-first" \
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ll="eza --icons -l --color=always --group-directories-first" \
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lt="eza --icons -aT --color=always --group-directories-first" \
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l.='eza --icons -a | grep -E "^\."'
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# function to detect os and assign aliases to package managers
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alias \
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pkg-update="paru -Syyu" \
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pkg-install="paru -S" \
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pkg-remove="paru -Rcns" \
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pkg-remove-sec="paru -R" \
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pkg-autoremove="paru -Scc && paru -Rns (pacman -Qtdq)" \
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pkg-search="paru -Ss"
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# colorize grep output (good for log files)
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alias \
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grep="grep --color=auto" \
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egrep="egrep --color=auto" \
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fgrep="fgrep --color=auto"
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# git
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alias \
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git-adu="git add -u" \
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git-adl="git add ." \
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git-brn="git branch" \
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git-chk="git checkout" \
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git-cln="git clone" \
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git-cmt="git commit -m" \
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git-fth="git fetch" \
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git-pll="git pull origin" \
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git-psh="git push origin" \
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git-sts="git status" \
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git-tag="git tag" \
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git-ntg="git tag -a"
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# adding flags
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alias \
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df="df -h" \
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free="free -m"
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# multimedia scripts
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alias \
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fli="flix-cli" \
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ani="ani-cli" \
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aniq="ani-cli -q"
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# audio
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alias \
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mx="pulsemixer" \
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mk="cmus" \
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ms="cmus" \
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music="cmus"
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# power management
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alias \
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po="systemctl poweroff" \
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sp="systemctl suspend" \
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rb="systemctl reboot"
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# file management
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alias \
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fm="$HOME/.config/vifm/scripts/vifmrun" \
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flm="$HOME/.config/vifm/scripts/vifmrun" \
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vifm="$HOME/.config/vifm/scripts/vifmrun" \
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rm="rm -vI" \
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mv="mv -iv" \
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cp="cp -iv" \
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mkd="mkdir -pv"
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# ps
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alias \
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psa="ps auxf" \
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psgrep="ps aux | grep -v grep | grep -i -e VSZ -e" \
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psmem="ps auxf | sort -nr -k 4" \
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pscpu="ps auxf | sort -nr -k 3"
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# youtube
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alias \
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yta-aac="yt-dlp --extract-audio --audio-format aac" \
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yta-best="yt-dlp --extract-audio --audio-format best" \
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yta-flac="yt-dlp --extract-audio --audio-format flac" \
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yta-m4a="yt-dlp --extract-audio --audio-format m4a" \
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yta-mp3="yt-dlp --extract-audio --audio-format mp3" \
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yta-opus="yt-dlp --extract-audio --audio-format opus" \
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yta-vorbis="yt-dlp --extract-audio --audio-format vorbis" \
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yta-wav="yt-dlp --extract-audio --audio-format wav" \
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ytv-best="yt-dlp -f bestvideo+bestaudio" \
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yt="ytfzf -ftsl" \
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ytm="ytfzf -mtsl"
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# network and bluetooth
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alias \
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netstats="nmcli dev" \
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wfi="nmtui-connect" \
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wfi-scan="nmcli dev wifi rescan && nmcli dev wifi list" \
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wfi-edit="nmtui-edit" \
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wfi-on="nmcli radio wifi on" \
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wfi-off="nmcli radio wifi off" \
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blt="bluetoothctl"
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# Automatically add completion for all aliases to commands having completion functions
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# this currently slows startup a bit, but it isn't terrible
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function alias_completion {
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local namespace="alias_completion"
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# parse function based completion definitions, where capture group 2 => function and 3 => trigger
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local compl_regex='complete( +[^ ]+)* -F ([^ ]+) ("[^"]+"|[^ ]+)'
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# parse alias definitions, where capture group 1 => trigger, 2 => command, 3 => command arguments
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local alias_regex="alias ([^=]+)='(\"[^\"]+\"|[^ ]+)(( +[^ ]+)*)'"
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# create array of function completion triggers, keeping multi-word triggers together
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eval "local completions=($(complete -p | sed -Ene "/$compl_regex/s//'\3'/p"))"
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(( ${#completions[@]} == 0 )) && return 0
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# create temporary file for wrapper functions and completions
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command rm -f "/tmp/${namespace}-*.tmp" &> /dev/null # preliminary cleanup
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local tmp_file; tmp_file="$(mktemp "/tmp/${namespace}-${RANDOM}XXX.tmp")" || return 1
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local completion_loader; completion_loader="$(complete -p -D 2>/dev/null | sed -Ene 's/.* -F ([^ ]*).*/\1/p')"
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# read in "<alias> '<aliased command>' '<command args>'" lines from defined aliases
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local line; while read line; do
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eval "local alias_tokens; alias_tokens=($line)" 2>/dev/null || continue # some alias arg patterns cause an eval parse error
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local alias_name="${alias_tokens[0]}" alias_cmd="${alias_tokens[1]}" alias_args="${alias_tokens[2]# }"
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# skip aliases to pipes, boolean control structures and other command lists
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# (leveraging that eval errs out if $alias_args contains unquoted shell metacharacters)
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eval "local alias_arg_words; alias_arg_words=($alias_args)" 2>/dev/null || continue
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# avoid expanding wildcards
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read -a alias_arg_words <<< "$alias_args"
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# skip alias if there is no completion function triggered by the aliased command
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if [[ ! " ${completions[*]} " =~ " $alias_cmd " ]]; then
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if [[ -n "$completion_loader" ]]; then
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# force loading of completions for the aliased command
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eval "$completion_loader $alias_cmd"
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# 124 means completion loader was successful
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[[ $? -eq 124 ]] || continue
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completions+=($alias_cmd)
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else
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continue
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fi
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fi
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local new_completion="$(complete -p "$alias_cmd")"
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# create a wrapper inserting the alias arguments if any
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if [[ -n $alias_args ]]; then
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local compl_func="${new_completion/#* -F /}"; compl_func="${compl_func%% *}"
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# avoid recursive call loops by ignoring our own functions
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if [[ "${compl_func#_$namespace::}" == $compl_func ]]; then
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local compl_wrapper="_${namespace}::${alias_name}"
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echo "function $compl_wrapper {
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(( COMP_CWORD += ${#alias_arg_words[@]} ))
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COMP_WORDS=($alias_cmd $alias_args \${COMP_WORDS[@]:1})
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(( COMP_POINT -= \${#COMP_LINE} ))
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COMP_LINE=\${COMP_LINE/$alias_name/$alias_cmd $alias_args}
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(( COMP_POINT += \${#COMP_LINE} ))
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$compl_func
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}" >> "$tmp_file"
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new_completion="${new_completion/ -F $compl_func / -F $compl_wrapper }"
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fi
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fi
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# replace completion trigger by alias
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new_completion="${new_completion% *} $alias_name"
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echo "$new_completion" >> "$tmp_file"
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done < <(alias -p | sed -Ene "s/$alias_regex/\1 '\2' '\3'/p")
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source "$tmp_file" && command rm -f "$tmp_file" &> /dev/null
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}; alias_completion
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### PROMPT
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# get current branch in git repo
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function parse_git_branch() {
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BRANCH=$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/')
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if [ ! "${BRANCH}" == "" ]; then
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STAT=$(parse_git_dirty)
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echo "[${BRANCH}${STAT}]"
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else
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echo ""
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fi
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}
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# get current branch in git repo
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function parse_git_branch() {
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BRANCH=$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/')
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if [ ! "${BRANCH}" == "" ]; then
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STAT=$(parse_git_dirty)
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echo "[${BRANCH}${STAT}]"
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else
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echo ""
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fi
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}
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# get current status of git repo
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function parse_git_dirty {
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status=$(git status 2>&1 | tee)
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dirty=$(echo -n "${status}" 2> /dev/null | grep "modified:" &> /dev/null; echo "$?")
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untracked=$(echo -n "${status}" 2> /dev/null | grep "Untracked files" &> /dev/null; echo "$?")
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ahead=$(echo -n "${status}" 2> /dev/null | grep "Your branch is ahead of" &> /dev/null; echo "$?")
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newfile=$(echo -n "${status}" 2> /dev/null | grep "new file:" &> /dev/null; echo "$?")
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renamed=$(echo -n "${status}" 2> /dev/null | grep "renamed:" &> /dev/null; echo "$?")
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deleted=$(echo -n "${status}" 2> /dev/null | grep "deleted:" &> /dev/null; echo "$?")
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bits=''
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if [ "${renamed}" == "0" ]; then
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bits=">${bits}"
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fi
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if [ "${ahead}" == "0" ]; then
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bits="*${bits}"
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fi
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if [ "${newfile}" == "0" ]; then
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bits="+${bits}"
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fi
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if [ "${untracked}" == "0" ]; then
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bits="?${bits}"
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fi
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if [ "${deleted}" == "0" ]; then
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bits="x${bits}"
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fi
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if [ "${dirty}" == "0" ]; then
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bits="!${bits}"
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fi
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if [ ! "${bits}" == "" ]; then
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echo " ${bits}"
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else
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echo ""
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fi
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}
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export PS1="[\[\e[31m\]\u\[\e[m\]\[\e[35m\]@\[\e[m\]\[\e[32m\]\h\[\e[m\]] [\[\e[33m\]\W\[\e[m\]\[\e[34m\]\`parse_git_branch\`\[\e[m\]] "
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