mtl-mirror

#!/bin/bash

showUsage() {
    cat <<EOF
Usage:
mirror to ssh://user@host.com:~/mynotes/test
mirror to :main
mirror doc to :design
EOF
}

### this is just quick proof of concept version 
### later we add a way to store remotes

if [ $# -eq 3 ]; then
    if [ $2 == "to" ]; then

	REM="$3"
	if [[ "$3" =~ ^: ]]; then
	    REM=`cat .mtl/.mirrors | grep "^$2" | head -n 1 | cut -f 2`
	else
	    echo "Failed: No mirror with that name."
	    REM=""
	fi

	if [[ $REM != "" ]]; then
	    if [[ $REM =~ ":" ]]; then
		dest1=`echo $REM | cut -f 1 -d ":"`
		dest2=`echo $REM | cut -f 2 -d ":"`
		ssh $dest1 "mkdir -p ${dest2}/.mtl/d"
	    else
		mkdir -p ${REM}/.mtl/d
	    fi
	    
	    tempdir="/tmp/mtl/blobs"
	    mkdir -p ${tempdir}
	    
	    echo "copying wrk index and src files to $REM"
	    
	    scp .mtl/${1}* ${REM}/.mtl/.
	#get blobs and copy them
	    for blob in `cat .mtl/${1}.index | cut -f 1 | uniq` 
	    do
		echo "copying blob: $blob to temp"
		cp -a .mtl/d/$blob ${tempdir}/.	
	    done
	    rsync -avz ${tempdir}/. ${REM}/.mtl/d/.
	    echo "DONE"
	else
	    showUsage
	fi
    else
	showUsage
    fi
elif [ $# -eq 2 ]; then
    
    REM="$2"
    if [[ "$2" =~ ^: ]]; then
	REM=`cat .mtl/.mirrors | grep "^$2" | head -n 1 | cut -f 2`
	echo $REM
    fi

    if [[ $REM != "" ]]; then
	
	if [ $1 == "to" ]; then
	    echo "rsyncing the mtl dir to $REM"
	    rsync -avz .mtl/* ${REM}/.mtl
	    echo "DONE"
	elif [ $1 == "from" ]; then
	    echo "rsyncing the mtl dir from $REM"
	    rsync -avz ${REM}/.mtl/* .mtl
	    echo "DONE"
	else
	    showUsage
	fi
    else
	echo "Failed: No mirror with that name."
	REM=""
    fi
else
    showUsage
fi