mtl-funcs

#!/bin/bash

getdocname(){
    echo "$1~" | cut -d "~" -f 1
}

getrev(){
    let "FIELD=$2 + 1"
    echo "$1~" | cut -d "~" -f ${FIELD}
}

getdoc(){
    echo $(getdocname $(resolvedoc $1) )
}

resolvedoc(){
    DOC=$(getdocname $1)
    REV1=$(getrev $1 1)
    REV2=$(getrev $1 2)

    if [ "$DOC" == ":today" ]; then
	DOC=`date --rfc-3339=date`
    elif [ "$DOC" == ":yesterday" ] || [ "$1" == ":yday" ]; then
	DOC=`date --rfc-3339=date -d yesterday`    
    elif [ "$DOC" == ":tomorrow" ]; then
	DOC=`date --rfc-3339=date -d tomorrow`
    fi    
    echo "$DOC~$REV1~$REV2"
}

getblob(){
    LINE=1
    DOC=$(getdocname $1)          #`echo "$1~" | cut -d"~" -f1`
    REV=$(getrev $1 $2)           #`echo "$1~" | cut -d"~" -f${FIELD}`
    if [[ $REV == "" ]] || [[ $REV =~ [0-9] ]]; then
	if [ -f .mtl/${DOC}.index ]; then 
	    let "LINE= $REV + 1"	    
	    tail -n $LINE .mtl/${DOC}.index | head -n 1 | awk '{ print $1 }'   
	fi
    elif [[ $REV == "w" ]]; then
	echo "../${DOC}"
    fi
}