# Easier directory navigation
alias ..="cd .."
alias ...="cd ../.."
alias ....="cd ../../.."
alias .....="cd ../../../.."
alias ~="cd ~"

# Detect which `ls` flavor is in use
if ls --color > /dev/null 2>&1; then # GNU `ls`
	colorflag="--color"
else # OS X `ls`
	colorflag="-G"
fi

# Use exa in place of ls if installed
if command -v exa >/dev/null 2>&1; then
	alias l="exa -l --git"
	alias ls="exa"
	alias la="exa -la --git"
	alias lt="exa -lRT --git"
	alias lta="exa -laRT --git"
else
	# Use coloured output for `ls`
	alias ls="command ls ${colorflag}"

	alias l="ls -lF ${colorflag}"
	alias la="ls -laF ${colorflag}"
	alias lsd="ls -lF ${colorflag} | grep --color=never '^d'"
fi

# Shortcuts for Cargo commands
if command -v cargo >/dev/null 2>&1; then
	alias cb='cargo build'
	alias cr='cargo run'
	alias ct='cargo test'
fi

# Enable aliases to be sudo’ed
alias sudo='sudo '

# Prefer coloured grep
alias grep="grep --color=auto"

# Gzip-enabled `curl`
alias gurl='curl --compressed'

# Get week number
alias week='date +%V'

# Stopwatch
alias timer='echo "Timer started. Stop with Ctrl-D." && date && time cat && date'

# IP addresses
alias ip="dig +short myip.opendns.com @resolver1.opendns.com"
alias localip="ifconfig | sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p'"

# Flush Directory Service cache
alias flush="dscacheutil -flushcache && killall -HUP mDNSResponder"

# Clean up LaunchServices to remove duplicates in the “Open With” menu
alias lscleanup="/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user && killall Finder"

# View HTTP traffic
alias sniff="sudo ngrep -d 'en1' -t '^(GET|POST) ' 'tcp and port 80'"
alias httpdump="sudo tcpdump -i en1 -n -s 0 -w - | grep -a -o -E \"Host\: .*|GET \/.*\""

# Canonical hex dump; some systems have this symlinked
command -v hd > /dev/null || alias hd="hexdump -C"

# OS X has no `md5sum`, so use `md5` as a fallback
command -v md5sum > /dev/null || alias md5sum="md5"

# OS X has no `sha1sum`, so use `shasum` as a fallback
command -v sha1sum > /dev/null || alias sha1sum="shasum" && alias sha256sum="shasum -a 256"

# Trim new lines and copy to clipboard
alias c="tr -d '\n' | pbcopy"

# Recursively delete `.DS_Store` files
alias cleanup="find . -type f -name '*.DS_Store' -ls -delete"

# ROT13-encode text. Works for decoding, too! ;)
alias rot13='tr a-zA-Z n-za-mN-ZA-M'

# Empty the Trash on all mounted volumes and the main HDD
# Also, clear Apple’s System Logs to improve shell startup speed
alias emptytrash="sudo rm -rfv /Volumes/*/.Trashes; sudo rm -rfv ~/.Trash; sudo rm -rfv /private/var/log/asl/*.asl"

# Show/hide hidden files in Finder
alias showfiles="defaults write com.apple.finder AppleShowAllFiles -bool true && killall Finder"
alias hidefiles="defaults write com.apple.finder AppleShowAllFiles -bool false && killall Finder"

# Hide/show all desktop icons (useful when presenting)
alias hidedesktop="defaults write com.apple.finder CreateDesktop -bool false && killall Finder"
alias showdesktop="defaults write com.apple.finder CreateDesktop -bool true && killall Finder"

# URL-encode strings
alias urlencode='python -c "import sys, urllib as ul; print ul.quote_plus(sys.argv[1]);"'

# Merge PDF files
# Usage: `mergepdf -o output.pdf input{1,2,3}.pdf`
alias mergepdf='/System/Library/Automator/Combine\ PDF\ Pages.action/Contents/Resources/join.py'

# PlistBuddy alias, because sometimes `defaults` just doesn’t cut it
alias plistbuddy="/usr/libexec/PlistBuddy"

# Intuitive map function
# For example, to list all directories that contain a certain file:
# find . -name .gitattributes | map dirname
alias map="xargs -n1"

# Lock the screen (when going AFK)
alias afk="/System/Library/CoreServices/Menu\ Extras/User.menu/Contents/Resources/CGSession -suspend"

# Launch screen saver instantly
alias screensaver="open -a /System/Library/Frameworks/ScreenSaver.framework/Versions/A/Resources/ScreenSaverEngine.app"

# Reload the shell (i.e. invoke as a login shell)
alias reload="exec $SHELL -l"

# Ping google.com to test connection
alias pg="ping -qo google.com"

# Shortcut to quickly time Python snippets
alias timepy="python -m timeit"

# Shorter dotfile update command
alias dot="dotfiles"

# Pasteboard length
alias pbc="pbpaste | wc -c"