mtl-sync_old

#!/bin/bash

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

### this is just quick proof of concept version 
### later we add a way to store remotes
 
if [ $# -eq 1 ]; then

    #THIS METHOD WILL GO AND BE REPLACED BY LOOP USING PER DOC SYNC METHOD BELOW

    # copy the remote index
    echo "DELETING OLD INDEXES"
    rm .mtl/remote/*
    echo "COPYING INDEXES"
    scp ${1}/.mtl/*.index .mtl/remote/.
    # merge them
    for index in .mtl/remote/*.index 
    do
	DOC=`echo "$index" | sed 's/.mtl\/remote\/\([a-z0-9_-]*\)\.index/\1/'`
	echo "MERGING: $DOC"
	mtl-merge $DOC $index
    done
    scp .mtl/*.index ${1}/.mtl/
    # copy the blobs that arent already here, copy the missing there
    echo "RSYNCING THE BLOBS"
    rsync -v -a ${1}/.mtl/d/* .mtl/d
    rsync -v -a .mtl/d/* ${1}/.mtl/d    
    echo "OK - DONE"
    #TODO LATER check for conflicts ... 
elif [ $# -eq 2 ]; then
# we sync just specific doc
    # copy the remote index here
    echo "DELETING OLD INDEXES"
    rm .mtl/remote/*
    echo "COPYING INDEXES"
    scp ${2}/.mtl/${1}.index .mtl/remote/.
    # merge the indexes    for index in .mtl/remote/*.index 
#    do
#	DOC=`echo "$index" | sed 's/.mtl\/remote\/\([a-z0-9_-]*\)\.index/\1/'`
#	echo "MERGING: $DOC"
#	mtl-merge $DOC $index
#    done
    #scp .mtl/${1}.index ${2}/.mtl/
    # copy the blobs that arent already here, copy the missing there
    echo "RESYNCING THE BLOBS"
    for blob in `comm -13 <(cat .mtl/${1}.index | cut -f 1 | uniq | sort) <(cat .mtl/remote/${1}.index | cut -f 1 | uniq | sort)` 
    do
	echo "copying blob from remote: $blob"
	scp ${2}/.mtl/d/$blob .mtl/d/.
    done
    for blob in `comm -23 <(cat .mtl/${1}.index | cut -f 1 | uniq | sort) <(cat .mtl/remote/${1}.index | cut -f 1 | uniq | sort)` 
    do
	echo "copying blob to remote: $blob"
	scp .mtl/d/$blob ${2}/.mtl/d/.
    done

    #do a 3way diff to merge the files

    echo "-" | cat > .mtl/sepa

    #### find last common src
    OLDBL=`cat .mtl/${1}.index .mtl/sepa .mtl/remote/${1}.index | awk '
		BEGIN {first=0} 
		{if ($1=="-") { first = 1 } else { if (first) { a[x++]=$2 } else { b[$2]=y++ } } } 
		END { for (x1=x-1; x1>=0;) { if (b[a[x1]]) { print a[x1]; break }; x1--;  } }'`

    MYBL=`tail -n 1 .mtl/${1}.index | cut -f 1`
    THEIRBL=`tail -n 1 .mtl/remote/${1}.index | cut -f 1`

    echo "merging MY: $MYBL OLD: $OLDBL THEIR: $THEIRBL"

    echo "diff3 -m .mtl/d/$MYBL .mtl/d/$OLDBL .mtl/d/$THEIRBL | tee .mtl/$1"

    diff3 -m .mtl/d/$MYBL .mtl/d/$OLDBL .mtl/d/$THEIRBL | tee .mtl/$1



    echo "OK - DONE"

else

    showUsage

fi