neodotfiles/home/.bashrc

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2024-08-19 04:36:33 +00:00
### EXPORT ###
export TERM="xterm-256color" # getting proper colors
export HISTCONTROL=ignoredups:erasedups # no duplicate entries
### "bat" as manpager
export MANPAGER="sh -c 'sed -u -e \"s/\\x1B\[[0-9;]*m//g; s/.\\x08//g\" | bat -p -lman'"
# use bash-completion, if available
[[ $PS1 && -f /usr/share/bash-completion/bash_completion ]] && \
. /usr/share/bash-completion/bash_completion
# if not running interactively, don't do anything
[[ $- != *i* ]] && return
### SET VI MODE ###
# Comment this line out to enable default emacs-like bindings
set -o vi
bind -m vi-command 'Control-l: clear-screen'
bind -m vi-insert 'Control-l: clear-screen'
### CHANGE TITLE OF TERMINALS ###
case ${TERM} in
xterm*|rxvt*|Eterm*|aterm|kterm|gnome*|alacritty|st|konsole*)
PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007"'
;;
screen*)
PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\033\\"'
;;
esac
### SHOPT ###
shopt -s autocd # change to named directory
shopt -s cdspell # autocorrects cd misspellings
shopt -s cmdhist # save multi-line commands in history as single line
shopt -s dotglob
shopt -s histappend # do not overwrite history
shopt -s expand_aliases # expand aliases
shopt -s checkwinsize # checks term size when bash regains control
# ignore upper and lowercase when TAB completion
bind "set completion-ignore-case on"
# sudo not required for some system commands
for command in cryptsetup mount umount poweroff reboot ; do
alias $command="sudo $command"
done; unset command
### ARCHIVE EXTRACTION ###
# usage: ex <file>
function ex() {
if [ -f "$1" ] ; then
case $1 in
*.tar.bz2) tar xjf "$1" ;;
*.tar.gz) tar xzf "$1" ;;
*.bz2) bunzip2 "$1" ;;
*.rar) unrar x "$1" ;;
*.gz) gunzip "$1" ;;
*.tar) tar xf "$1" ;;
*.tbz2) tar xjf "$1" ;;
*.tgz) tar xzf "$1" ;;
*.zip) unzip "$1" ;;
*.Z) uncompress "$1";;
*.7z) 7zz x "$1" ;;
*.deb) ar x "$1" ;;
*.tar.xz) tar xf "$1" ;;
*.tar.zst) unzstd "$1" ;;
*) echo "'$1' cannot be extracted via ex()" ;;
esac
else
echo "'$1' is not a valid file"
fi
}
### ALIASES ###
# navigation
function up () {
local d=""
local limit="$1"
# Default to limit of 1
if [ -z "$limit" ] || [ "$limit" -le 0 ]; then
limit=1
fi
for ((i=1;i<=limit;i++)); do
d="../$d"
done
# perform cd. Show error if cd fails
if ! cd "$d"; then
echo "Couldn't go up $limit dirs.";
fi
}
# unlock ssh keys
function unlock() {
ssh-add "$HOME/.ssh/$1"
}
# cd
alias \
..="cd .." \
.2="cd ../.." \
.3="cd ../../.." \
.4="cd ../../../.." \
.5="cd ../../../../.."
# bat as cat
[ -x "$(command -v bat)" ] && alias cat="bat"
# fastfetch as neofetch
[ -x "$(command -v fastfetch)" ] && alias neofetch="fastfetch"
# use lunarvim or neovim for vim if present.
if [ -x "$(command -v $HOME/.local/bin/lvim)" ]; then
alias vim="$HOME/.local/bin/lvim"
elif [ -x "$(command -v nvim)" ]; then
alias vim="nvim"
fi
# Changing "ls" to "eza"
[ -x "$(command -v eza)" ] && alias \
ls="eza --icons -al --color=always --group-directories-first" \
la="eza --icons -a --color=always --group-directories-first" \
ll="eza --icons -l --color=always --group-directories-first" \
lt="eza --icons -aT --color=always --group-directories-first" \
l.='eza --icons -a | grep -E "^\."'
# function to detect os and assign aliases to package managers
alias \
pkg-update="paru -Syyu" \
pkg-install="paru -S" \
pkg-remove="paru -Rcns" \
pkg-remove-sec="paru -R" \
pkg-autoremove="paru -Scc && paru -Rns (pacman -Qtdq)" \
pkg-search="paru -Ss"
# colorize grep output (good for log files)
alias \
grep="grep --color=auto" \
egrep="egrep --color=auto" \
fgrep="fgrep --color=auto"
# git
alias \
git-adu="git add -u" \
git-adl="git add ." \
git-brn="git branch" \
git-chk="git checkout" \
git-cln="git clone" \
git-cmt="git commit -m" \
git-fth="git fetch" \
git-pll="git pull origin" \
git-psh="git push origin" \
git-sts="git status" \
git-tag="git tag" \
git-ntg="git tag -a"
# adding flags
alias \
df="df -h" \
free="free -m"
# multimedia scripts
alias \
fli="flix-cli" \
ani="ani-cli" \
aniq="ani-cli -q"
# audio
alias \
mx="pulsemixer" \
mk="cmus" \
ms="cmus" \
music="cmus"
# power management
alias \
po="systemctl poweroff" \
sp="systemctl suspend" \
rb="systemctl reboot"
# file management
alias \
fm="yazi" \
flm="yazi" \
rm="rm -vI" \
mv="mv -iv" \
cp="cp -iv" \
mkd="mkdir -pv"
# ps
alias \
psa="ps auxf" \
psgrep="ps aux | grep -v grep | grep -i -e VSZ -e" \
psmem="ps auxf | sort -nr -k 4" \
pscpu="ps auxf | sort -nr -k 3"
# youtube
alias \
yta-aac="yt-dlp --extract-audio --audio-format aac" \
yta-best="yt-dlp --extract-audio --audio-format best" \
yta-flac="yt-dlp --extract-audio --audio-format flac" \
yta-m4a="yt-dlp --extract-audio --audio-format m4a" \
yta-mp3="yt-dlp --extract-audio --audio-format mp3" \
yta-opus="yt-dlp --extract-audio --audio-format opus" \
yta-vorbis="yt-dlp --extract-audio --audio-format vorbis" \
yta-wav="yt-dlp --extract-audio --audio-format wav" \
ytv-best="yt-dlp -f bestvideo+bestaudio" \
yt="ytfzf -ftsl" \
ytm="ytfzf -mtsl"
# network and bluetooth
alias \
netstats="nmcli dev" \
wfi="nmtui-connect" \
wfi-scan="nmcli dev wifi rescan && nmcli dev wifi list" \
wfi-edit="nmtui-edit" \
wfi-on="nmcli radio wifi on" \
wfi-off="nmcli radio wifi off" \
blt="bluetoothctl"
# Automatically add completion for all aliases to commands having completion functions
# this currently slows startup a bit, but it isn't terrible
function alias_completion {
local namespace="alias_completion"
# parse function based completion definitions, where capture group 2 => function and 3 => trigger
local compl_regex='complete( +[^ ]+)* -F ([^ ]+) ("[^"]+"|[^ ]+)'
# parse alias definitions, where capture group 1 => trigger, 2 => command, 3 => command arguments
local alias_regex="alias ([^=]+)='(\"[^\"]+\"|[^ ]+)(( +[^ ]+)*)'"
# create array of function completion triggers, keeping multi-word triggers together
eval "local completions=($(complete -p | sed -Ene "/$compl_regex/s//'\3'/p"))"
(( ${#completions[@]} == 0 )) && return 0
# create temporary file for wrapper functions and completions
command rm -f "/tmp/${namespace}-*.tmp" &> /dev/null # preliminary cleanup
local tmp_file; tmp_file="$(mktemp "/tmp/${namespace}-${RANDOM}XXX.tmp")" || return 1
local completion_loader; completion_loader="$(complete -p -D 2>/dev/null | sed -Ene 's/.* -F ([^ ]*).*/\1/p')"
# read in "<alias> '<aliased command>' '<command args>'" lines from defined aliases
local line; while read line; do
eval "local alias_tokens; alias_tokens=($line)" 2>/dev/null || continue # some alias arg patterns cause an eval parse error
local alias_name="${alias_tokens[0]}" alias_cmd="${alias_tokens[1]}" alias_args="${alias_tokens[2]# }"
# skip aliases to pipes, boolean control structures and other command lists
# (leveraging that eval errs out if $alias_args contains unquoted shell metacharacters)
eval "local alias_arg_words; alias_arg_words=($alias_args)" 2>/dev/null || continue
# avoid expanding wildcards
read -a alias_arg_words <<< "$alias_args"
# skip alias if there is no completion function triggered by the aliased command
if [[ ! " ${completions[*]} " =~ " $alias_cmd " ]]; then
if [[ -n "$completion_loader" ]]; then
# force loading of completions for the aliased command
eval "$completion_loader $alias_cmd"
# 124 means completion loader was successful
[[ $? -eq 124 ]] || continue
completions+=($alias_cmd)
else
continue
fi
fi
local new_completion="$(complete -p "$alias_cmd")"
# create a wrapper inserting the alias arguments if any
if [[ -n $alias_args ]]; then
local compl_func="${new_completion/#* -F /}"; compl_func="${compl_func%% *}"
# avoid recursive call loops by ignoring our own functions
if [[ "${compl_func#_$namespace::}" == $compl_func ]]; then
local compl_wrapper="_${namespace}::${alias_name}"
echo "function $compl_wrapper {
(( COMP_CWORD += ${#alias_arg_words[@]} ))
COMP_WORDS=($alias_cmd $alias_args \${COMP_WORDS[@]:1})
(( COMP_POINT -= \${#COMP_LINE} ))
COMP_LINE=\${COMP_LINE/$alias_name/$alias_cmd $alias_args}
(( COMP_POINT += \${#COMP_LINE} ))
$compl_func
}" >> "$tmp_file"
new_completion="${new_completion/ -F $compl_func / -F $compl_wrapper }"
fi
fi
# replace completion trigger by alias
new_completion="${new_completion% *} $alias_name"
echo "$new_completion" >> "$tmp_file"
done < <(alias -p | sed -Ene "s/$alias_regex/\1 '\2' '\3'/p")
source "$tmp_file" && command rm -f "$tmp_file" &> /dev/null
}; alias_completion
# starship prompt
eval "$(starship init bash)"
eval "$(zoxide init bash)"