reva-panes.sh

#!/bin/sh
# ==============================
# usage: reva-panes path/to/toml
# - it starts the panes on detached mode, so 
# - when attached to the session [C-c] will kill the daemon
# ==============================

# at least arg1 must exist
if [ $# -eq 0 ]; then
	echo "wrong number of arguments" && exit 1
fi

# check $1 is a valid directory
if ! [ -d $1 ]; then
	echo "invalid path: '$1'" && exit 1
fi

# check whether the destination contains any toml files
ls -al $1/*.toml &>/dev/null
if [ $? -ne 0 ]; then
	echo "no toml config files found on path: '$1'" && exit 1
fi

# remove any possible reva tmux session that could have been started
tmux kill-session -t reva &>/dev/null
if [ $? -eq 0 ]; then
	echo "old session was killed"
fi

# make sure a tmux server has already started
tmux start-server
if [ $? -ne 0 ]; then
	echo "tmux not found" && exit 1
fi

echo "running..."
current=0
totalFiles=`find ~/automation/reva/separate -maxdepth 1 -name '*.toml' | wc -l`

echo $totalFiles
for CONFIG in $1/*.toml
do
	if [ $current -eq 0 ]; then
		tmux new-session -d -s reva revad -c $CONFIG -p $CONFIG-$current.pid
		let "current += 1" && continue
	fi

	# split pane (prepare for the next iteration)
	# note that on its name `current` is appended, which can be used for
	# further scripting as it is the pane name
	tmux split-window -h -c $1 revad -c $CONFIG -p $CONFIG-$current.pid
	
	# make space for the remaining panes
	tmux select-layout tiled

	if [ $current -eq $totalFiles ]; then
		break
	else
		# increase pane counter
		let "current += 1"
	fi
done

# attach to the new session
tmux attach-session -t reva