dot_shell_functions

# Always list directory contents upon 'cd'
cd() { builtin cd "$@"; ll; }

# kill process by specifying the port e.g. "killport 3000"
killport() {
  port=$(lsof -n -i4TCP:$1 | grep LISTEN | awk '{ print $2 }') kill -9 $port
}

# Extract most know archives with one command
extract () {
    if [ -f $1 ] ; then
      case $1 in
        *.tar.bz2)   tar xjf $1     ;;
        *.tar.gz)    tar xzf $1     ;;
        *.bz2)       bunzip2 $1     ;;
        *.rar)       unrar e $1     ;;
        *.gz)        gunzip $1      ;;
        *.tar)       tar xf $1      ;;
        *.tbz2)      tar xjf $1     ;;
        *.tgz)       tar xzf $1     ;;
        *.zip)       unzip $1       ;;
        *.Z)         uncompress $1  ;;
        *.7z)        7z x $1        ;;
        *)     echo "'$1' cannot be extracted via extract()" ;;
         esac
     else
         echo "'$1' is not a valid file"
     fi
}

# Compare original and gzipped file size
gz() {
	local origsize
	origsize=$(wc -c < "$1")
	local gzipsize
	gzipsize=$(gzip -c "$1" | wc -c)
	local ratio
	ratio=$(echo "$gzipsize * 100 / $origsize" | bc -l)
	printf "orig: %d bytes\\n" "$origsize"
	printf "gzip: %d bytes (%2.2f%%)\\n" "$gzipsize" "$ratio"
}

# Get colors in manual pages
man() {
	env \
		LESS_TERMCAP_mb="$(printf '\e[1;31m')" \
		LESS_TERMCAP_md="$(printf '\e[1;31m')" \
		LESS_TERMCAP_me="$(printf '\e[0m')" \
		LESS_TERMCAP_se="$(printf '\e[0m')" \
		LESS_TERMCAP_so="$(printf '\e[1;44;33m')" \
		LESS_TERMCAP_ue="$(printf '\e[0m')" \
		LESS_TERMCAP_us="$(printf '\e[1;32m')" \
		man "$@"
}

squash() {
  if [ $(git rev-parse --abbrev-ref HEAD) = "master" ]; then
    echo "you're on master, definitely don't want to run this."
    return
  fi
  git reset $(git merge-base master $(git rev-parse --abbrev-ref HEAD))
  git add -A
  git commit -m $1
}

trash () { command mv "$@" ~/.Trash ; }     # trash: Moves a file to the MacOS trash

# tmux, be there and be named well
function tms {
  local name=$(basename $PWD | sed -e s/\[^a-zA-Z0-9\\\//\$]/-/g -e s/--*/-/g)
  tmux new -s $name || tmux attach-session -t $name
}

port() { lsof -iTCP:$1 -sTCP:LISTEN; }
port2() { nc -zv localhost $1; }

# Start an HTTP server from a directory, optionally specifying the port
function server() {
  local port="${1:-8000}"
  open "http://localhost:${port}/"
  # Set the default Content-Type to `text/plain` instead of `application/octet-stream`
  # And serve everything as UTF-8 (although not technically correct, this doesn’t break anything for binary files)
  python -c $'import SimpleHTTPServer;\nmap = SimpleHTTPServer.SimpleHTTPRequestHandler.extensions_map;\nmap[""] = "text/plain";\nfor key, value in map.items():\n\tmap[key] = value + ";charset=UTF-8";\nSimpleHTTPServer.test();' "$port"
}

# Docker: bash into an existing container
dkbash() { docker exec -it $1 /bin/bash; }

# Docker: logs of an existing container
dklog() { docker logs -f $1; }

# Docker: list the names of existing containers
dknames() { docker ps --format '{{.Names}}' }

# Test shell load times
shelltime() {
  shell=${1-$SHELL}
  for i in $(seq 1 10); do /usr/bin/time $shell -i -c exit; done
}