Muck - A simple bash script to run your Procfile in tmux

README.md

Muck

Prerequisites

• tmux: brew install tmux
• a .muck configuration file

Configuration

~/.muck Should be a YAML file.

Each line will have a key: value format where:

• key: the name of the session (e.g. rails)
• value: The fully expanded path to the direcory. (e.g. /Users/kbalderson/Projects/flashcards) (~/ does not work)

# ~/.muck
flashcards: /Users/kbalderson/Projects/flashcards

Usage

When you run muck SESSION_NAME, there are two tmux windows by default, and two optional that are present based

1. editor: runs vim ./
2. utility: no commands by default, i use it when i need the console, or anything else
3. web: if you have a web: line in your Procfile, it is put in it's own window.
4. services: Anything listed in your Procfile other than web: is given it's own pane in this window, and the even-vertical layout is used.

muck

#!/bin/bash

getWorkspace() {
  cat $HOME/.muck | tr -s ' ' | eval "sed -n -e '/$SESSION_NAME/p'" | \
    awk -F$ '{ split($1,a,": "); printf("%s", a[2]); }'
}

getWebCommand() {
  cat $WORKSPACE/Procfile | tr -s ' ' | sed -n -e '/web/p' | \
    awk -F$ '{
      split($1,a,": ");
      printf("neww -n %s \\\; send-keys '\''%s'\'' C-m \\\; ", a[1],a[2]);
    }'
}

getServiceCommands() {
  cat $WORKSPACE/Procfile | tr -s ' ' | sed -e '/web/d' | \
    awk -F$ '{
      split($1,a,": ");
      if (NR == 1) { command = "neww -n services \\\;" }
      else { command = "split-window -h \\\;" }
      printf("%s send-keys '\''%s'\'' C-m \\\; ", command,a[2]);
    }'
}

: ${SESSION_NAME:="$1"}
: ${WORKSPACE:="$(getWorkspace)"}

echo -ne "\033]0;"$SESSION_NAME"\007"

tmux has-session -t ${SESSION_NAME} &> /dev/null

if [ $? != 0 ]
then
  # Create the session
  eval "tmux \
    new-session -c ${WORKSPACE} -s ${SESSION_NAME} -n 'editor' \;\
    send-keys 'vim ./' C-m \; \
    neww -n 'utility' \; \
    $(getWebCommand) \
    $(getServiceCommands) \
    select-layout even-horizontal \; \
    select-window -t editor" &> /dev/null
else
  tmux attach -t ${SESSION_NAME} &> /dev/null
fi