dot_bash_aliases

# -*-mode:bash-*- vim:ft=bash

# ~/.bash_aliases
# =============================================================================
# Shell aliases sourced by `~/.bashrc` and `~/.zshrc`.
#
# OSTYPE values used:
#     - darwin: macOS
#     - cygwin: Cygwin POSIX-compatible environment for Windows
#     - mingw: MinGW Minimalist GNU for Windows
#     - msys: MinGW Lightweight shell and GNU utilities for Windows

# shellcheck shell=bash

# Redefine standard commands to improve their behavior
# -----------------------------------------------------------------------------

# Starts calculator with math support.
alias bc='bc -l'

# Makes file commands verbose.
alias cp='cp -v';
alias mv='mv -v';

# Displays drives and space in human readable format.
alias df='df -h'

# Colorizes diff output, if possible.
if type 'colordiff' &> /dev/null; then
    alias diff='colordiff'
fi

# Prints disk usage per directory non-recursively, in human readable format.
alias du='du -h -d1'

# Colorizes the `grep` output.
alias grep='grep --color=auto'
alias egrep='egrep --color=auto'
alias fgrep='fgrep --color=auto'

# Colorizes listings.
if ls --color &> /dev/null; then
    # GNU `ls`
    colorflag='--color=auto'
    export LS_COLORS='no=00:fi=00:di=01;31:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.ogg=01;35:*.mp3=01;35:*.wav=01;35:'
else
    # macOS `ls`
    colorflag='-G'
    export LSCOLORS='BxBxhxDxfxhxhxhxhxcxcx'
fi
if type 'dir' &> /dev/null; then
    alias dir='dir --color=auto'
fi
if type 'vdir' &> /dev/null; then
    alias vdir='vdir --color=auto'
fi

# Uses human sizes, classifications, and color output for `ls`.
alias ls='command ls -Fh ${colorflag}'

# Creates parent directories on demand.
alias mkdir='mkdir -pv'

# Makes `mount` command output pretty and with a human readable format.
alias mount='mount | column -t'

# Disables wrapping of long lines in Nano.
alias nano='nano -w';

# Stops ping after sending 4 ECHO_REQUEST packets.
alias ping='ping -c 4'

# Improves top with modern alternatives.
if type 'atop' &> /dev/null; then
    alias top='atop'
elif type 'htop' &> /dev/null; then
    alias top='htop'
elif type 'ntop' &> /dev/null; then
    if [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
        alias top='ntop'
    fi
fi

# Enables simple aliases to be sudo'ed.
# See http://www.gnu.org/software/bash/manual/bashref.html#Aliases
alias sudo='sudo ';


# Easier navigation
# -----------------------------------------------------------------------------

# Nagivates to the last used directory.
alias cd-='cd -'

# Nagivates up a directory.
alias cd..='cd ..'
alias ..='cd ..'

# Nagivates up two directories.
alias ...='cd ../../../'

# Nagivates up three directories.
alias ....='cd ../../../../'

# Nagivates up four directories.
alias .....='cd ../../../../'
alias .4='cd ../../../../'

# Nagivates up five directories.
alias .5='cd ../../../../..'


# Directory browsing
# -----------------------------------------------------------------------------

# Lists visible files in long format.
alias l='ls -l'

# Lists all files in long format, excluding `.` and `..`.
alias ll='ls -lA'

# Lists directories only, in long format.
alias lsd='ls -l | grep --color=never "^d"'

# Lists hidden files in long format.
alias lsh='ls -dlA .?*'


# File management
# -----------------------------------------------------------------------------

# Copies a file securely.
alias cpv='rsync -ah --info=progress2'

# Finds directories.
alias fd='find . -type d -name'

# Finds files.
alias ff='find . -type f -name'


# General aliases
# -----------------------------------------------------------------------------

# Clears the console screen.
alias c='clear'

# Searches history.
alias h='history_search' # see file `functions`
alias hs='history_session_search' # see file `functions`

# Sets editors and defaults.
alias edit='vim'
alias svi='sudo vi'
alias vi=vim
alias vis='vim "+set si"'

# Reloas the shell.
alias reload='exec $SHELL -l'

# Reloads the configuration.
if [ -n "$ZSH_VERSION" ]; then
    alias resource='. $HOME/.zshrc'
else
    alias resource='. $HOME/.bash_profile'
fi


# Time
# -----------------------------------------------------------------------------

# Gets local/UTC date and time in ISO-8601 format `YYYY-MM-DDThh:mm:ss`.
alias now='date +"%Y-%m-%dT%H:%M:%S"'
alias unow='date -u +"%Y-%m-%dT%H:%M:%S"'

# Gets date in `YYYY-MM-DD` format`
alias nowdate='date +"%Y-%m-%d"'
alias unowdate='date -u +"%Y-%m-%d"'

# Gets time in `hh:mm:ss` format`
alias nowtime='date +"%T"'
alias unowtime='date -u +"%T"'

# Gets Unix time stamp`
alias timestamp='date -u +%s'

# Gets week number in ISO-8601 format `YYYY-Www`.
alias week='date +"%Y-W%V"'

# Gets weekday number.
alias weekday='date +"%u"'


# Networking
# -----------------------------------------------------------------------------

# Pings hostname(s) 30 times in quick succession.
if [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias fastping='ping -n 30'
else
    alias fastping='ping -c 30 -i.2'
fi

# Flushes the DNS cache.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias flushdns='dscacheutil -flushcache; sudo killall -HUP mDNSResponder;echo DNS cache flushed'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias flushdns='ipconfig //flushdns'
else
    alias flushdns='sudo /etc/init.d/dns-clean restart && echo DNS cache flushed'
fi

# Gets all IP addresses.
alias ips="ifconfig -a | grep -o 'inet6\? \(addr:\)\?\s\?\(\(\([0-9]\+\.\)\{3\}[0-9]\+\)\|[a-fA-F0-9:]\+\)' | awk '{ sub(/inet6? (addr:)? ?/, \"\"); print }'"

# Gets local IP address.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias localip='ipconfig getifaddr en0'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    # shellcheck disable=SC2142
    alias localip="netstat -rn | grep -w '0.0.0.0' | awk '{ print \$4 }'"
else
    alias localip="ip route get 1 | awk '{print \$NF;exit}'"
fi

# Gets external IP address.
if command -v dig &> /dev/null; then
    alias publicip='dig +short myip.opendns.com @resolver1.opendns.com'
elif command -v curl > /dev/null; then
    alias publicip='curl --silent --compressed --max-time 5 --url "https://ipinfo.io/ip"'
else
    alias publicip='wget -qO- --compression=auto --timeout=5 "https://ipinfo.io/ip"'
fi

# Sends HTTP requests.
command -v lwp-request &> /dev/null && for method in GET HEAD POST PUT DELETE TRACE OPTIONS; do
    #shellcheck disable=SC2139
    alias $method="lwp-request -m '$method'"
done
unset method;


# Power management
# -----------------------------------------------------------------------------

# Locks the session.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias lock='pmset displaysleepnow'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias lock='rundll32.exe user32.dll,LockWorkStation'
elif command -v vlock &> /dev/null; then
    alias lock='vlock --all'
elif command -v gnome-screensaver-command &> /dev/null; then
    alias lock='gnome-screensaver-command --lock'
fi

# Hibernates the system.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias hibernate='pmset sleep now'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias hibernate='shutdown.exe /h'
else
    alias hibernate='systemctl suspend'
fi

# Restarts the system.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias reboot='osascript -e "tell application \"System Events\" to restart"'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias reboot='shutdown.exe /r'
else
    alias reboot='sudo /sbin/reboot'
fi

# Shuts down the system.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias poweroff='osascript -e "tell application \"System Events\" to shut down"'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias poweroff='shutdown.exe /s'
else
    alias poweroff='sudo /sbin/poweroff'
fi


# Sysadmin
# -----------------------------------------------------------------------------

# Lists drive mounts.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias mnt='mount | grep -E ^/dev | column -t'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias mnt='mount | sed "s/Program Files/Program-Files/i" | column -t'
else
    # shellcheck disable=SC2142
    alias mnt="mount | awk -F' ' '{ printf \"%s\t%s\n\",\$1,\$3; }' | column -t | egrep ^/dev/ | sort"
fi

# Prints each $PATH entry on a separate line.
alias path='echo -e ${PATH//:/\\n}'

# Displays information about the system.
for command in winfetch neofetch screenfetch; do
    if type $command &> /dev/null; then
        alias sysinfo='$command'
        break
    fi
done


# Applications
# -----------------------------------------------------------------------------

# Opens file/URL (in) browsers.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias browse='open'
    alias chrome='open -a Google\ Chrome'
    alias edge='open -a Microsoft\ Edge'
    alias firefox='open -a Firefox'
    alias opera='open -a Opera'
    alias safari='open -a Safari'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias browse='start'
    alias chrome='start chrome'
    alias edge='microsoft-edge'
    alias iexplore='start iexplore'
    alias firefox='start firefox'
    alias opera='start opera'
    #alias safari='start safari'
else
    alias browse='x-www-browser' #xdg-open
    alias chrome='chromium'
    #alias edge='microsoft-edge'
    #alias firefox='firefox'
    #alias opera='opera'
    #alias safari='safari'
fi

# Enters the Starship cross-shell prompt.
if [ -n "$ZSH_VERSION" ]; then
    # shellcheck disable=SC2034
    if typeset -f prompt_powerlevel9k_teardown > /dev/null; then
        alias ss='prompt_powerlevel9k_teardown && eval "$(starship init zsh)"'
    else
        alias ss='eval "$(starship init zsh)"'
    fi
else
    alias ss='eval "$(starship init bash)"'
fi

# Opens (in) Sublime Text.
# TODO: Add to path instead.
if [[ "$OSTYPE" =~ ^darwin ]]; then
    alias subl='/Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl'
    alias st='/Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl'
elif [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias subl='/c/Program\ Files/Sublime\ Text\ 3/subl'
    alias st='/c/Program\ Files/Sublime\ Text\ 3/subl'
else
    alias subl='sublime_text'
    alias st='sublime_text'
fi


# Development
# -----------------------------------------------------------------------------

# Creates shortcuts for Docker.
alias dk='docker'
alias dco='docker-compose'

# Creates shortcut for Git.
alias g='git'

# Activates Python virtual environment `venv`.
alias va='if [ -d ./.venv ]; then \. ./.venv/bin/activate; elif [ -d ./venv ]; then \. ./venv/bin/activate; fi'

# Creates Python virtual environment `venv`.
alias ve='python3 -m venv ./.venv'


# macOS
# -----------------------------------------------------------------------------

if [[ "$OSTYPE" =~ ^darwin ]]; then
    # Toggles display of desktop icons.
    alias hidedesktop='defaults write com.apple.finder CreateDesktop -bool false && killall Finder'
    alias showdesktop='defaults write com.apple.finder CreateDesktop -bool true && killall Finder'

    # Toggles hidden files in Finder.
    alias hidefiles='defaults write com.apple.finder AppleShowAllFiles -bool false && killall Finder'
    alias showfiles='defaults write com.apple.finder AppleShowAllFiles -bool true && killall Finder'

    # Toggles Spotlight.
    alias spotoff='sudo mdutil -a -i off'
    alias spoton='sudo mdutil -a -i on'
fi


# Common paths
# -----------------------------------------------------------------------------

# Navigates to user paths.
alias dls='cd $HOME/Downloads'
alias docs='cd $HOME/Documents'
alias dt='cd $HOME/Desktop'


# Configuration paths
# -----------------------------------------------------------------------------

# Navigates to Chezmoi's local repo.
if command -v chezmoi > /dev/null; then
    if [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
        # shellcheck disable=SC2046,SC2139
        # TODO verify
        alias chezmoiconf="cd $(chezmoi source-path | tr '\\/' '/' | tr -d ':' | awk '{print "/"$1}')"
    else
        alias chezmoiconf='cd $(chezmoi source-path)'
    fi
else
    alias chezmoiconf='cd $HOME/.local/share/chezmoi'
fi

# Navigates to Powershell's profile location.
if [[ "$OSTYPE" =~ ^(cygwin|mingw|msys) ]]; then
    alias powershellconf='cd $HOME/Documents/PowerShell'
else
    alias powershellconf='cd $HOME/.config/powershell'
fi

# Navigates to Sublime Text's local repo.
alias sublimeconf='cd $HOME/Library/Application\ Support/Sublime\ Text\ 3/Packages/User'


# Custom paths
# -----------------------------------------------------------------------------

# Navigates to custom paths.
alias archives='cd $HOME/Archives'
alias repos='cd $HOME/Code'


# Varia
# -----------------------------------------------------------------------------

# Pastes the contents of the clipboard.
if command -v pbpaste > /dev/null; then
    alias cbpaste='pbpaste'
elif command -v xclip > /dev/null; then
    alias cbpaste='xclip -i -selection clipboard -o'
elif command -v xsel > /dev/null; then
    alias cbpaste='xsel -bo'
elif command -v clipboard > /dev/null; then
    alias cbpaste='clipboard'
elif command -v powershell > /dev/null; then
    alias cbpaste='powershell -NoProfile -Command "Get-Clipboard"'
fi

# Calculates MD5 hashes.
if ! command -v md5sum > /dev/null; then
    if command -v md5 > /dev/null; then
        alias md5sum='md5 -r'
    else
        alias md5sum='openssl md5 -r'
    fi
fi

# Calculates SHA1 hashes.
if ! command -v sha1sum > /dev/null; then
    if command -v shasum > /dev/null; then
        alias sha1sum='shasum -a 1 -p'
    else
        alias sha1sum='openssl sha1 -r'
    fi
fi

# Calculates SHA256 hashes.
if ! command -v sha256sum > /dev/null; then
    if command -v shasum > /dev/null; then
        alias sha256sum='shasum -a 256 -p'
    else
        alias sha256sum='openssl sha256 -r'
    fi
fi

# Displays detailed weather and forecast.
if command -v curl > /dev/null; then
    alias forecast='curl --silent --compressed --max-time 10 --url "https://wttr.in?F"'
else
    alias forecast='wget -qO- --compression=auto --timeout=10 "https://wttr.in?F"'
fi

# Displays current weather.
if command -v curl > /dev/null; then
    alias weather='curl --silent --compressed --max-time 10 --url "https://wttr.in/?format=%l:+(%C)+%c++%t+\[%h,+%w\]"'
else
    alias weather='wget -qO- --compression=auto --timeout=10 "https://wttr.in/?format=%l:+(%C)+%c++%t+\[%h,+%w\]"'
fi