#!/bin/bash

#set -x
set -o nounset
REPO="/var/lib/sbopkg/SBo/14.0/"
REPOTXT="SLACKBUILDS.TXT"
SCRIPT=${0##*/}

if [[ $# -lt 1 ]]; then
    echo "$SCRIPT usage : SCRIPT <packagename>"
    exit 0
fi

SEARCHPACKAGE=$1
FOUNDPACKAGE="NOT FOUND" #No package found yet...

find_repository(){
    #Parse SLACKBUILD.TXT for SEARCHPACKAGE to find repository name
    #where package info file is found.
    STATE=0 #State machine 0 since no package found yet.
    if [[ $# -eq 0 ]]; then
        echo "Nothing to do"
        exit 0
    fi
    SEARCHPACKAGE=$1 #The package we are searching
    RESULT=`grep -A1 "SLACKBUILD NAME: $SEARCHPACKAGE" $REPO$REPOTXT|cut -d':' -f2`
    for line in $RESULT
    do
        if [[ $line = $SEARCHPACKAGE ]]; then
            FOUNDPACKAGE=$line
            STATE=1
            continue #read next line to get pkgdir
        fi
        if [[ $STATE = 1 ]]; then
            STATE=0
            PKGDIR=`echo $line|sed s#\.\/##`
            infofile="$REPO$PKGDIR/$FOUNDPACKAGE.info"
            find_package_dependency $infofile $FOUNDPACKAGE
            break
        fi
    done
}

find_package_dependency(){
    #Search the string that begins with REQUIRES in infofile argument
    #provided in function call.
    infofile=$1 # Such as /var/lib/sbopkg/SBo/14.0/academic
    ParentPackage=$2
    SEARCHPACKAGE=""
    #echo "Search Requires in $infofile"
    while read line
    do
        if [[ "$line" =~ ^REQUIRES.* ]]; then
            SEARCHPACKAGE=${line#REQUIRES=}
            SEARCHPACKAGE=${SEARCHPACKAGE//\"/}
            if [[ "$SEARCHPACKAGE" != '' ]]; then
                echo "  $ParentPackage requires $SEARCHPACKAGE"
            else
                echo "  $ParentPackage no dependency found"
            fi

            for item in $SEARCHPACKAGE
            do
                find_repository $item
            done
            break
        fi
    done <$infofile
}
find_repository $SEARCHPACKAGE

#!/usr/bin/python

import sys, os

topdir = "/var/lib/sbopkg/SBo/14.0"
sqfdir = "/tmp/sqf"

deps = {}

def get_requires(filnam):
    for ln in open(filnam,"r"):
        if not ln.startswith("REQUIRES"): continue
        return ln.split('"')[1].split()
    return []

def process(arg, dirname, names):
    for fn in names:
        if not fn.endswith(".info"): continue
        pkg = fn.strip().replace(".info","")
        reqs = get_requires(os.path.join(dirname,fn))
        deps[pkg] = reqs

try:
    os.chdir(topdir)
except:
    print "Failed to find SlackBuilds dir '%s'" % topdir
    sys.exit(1)

os.path.walk(".",process,True)

try:
    os.mkdirs(sqfdir)
except:
    pass 

try:
    os.chdir(sqfdir)
except:
    print "Failed to get to SQF dir '%s'" % sqfdir
    sys.exit(2)

pkgs = deps.keys()
for p in pkgs:
    pdeps = deps[p]
    if '%README%' in pdeps:
        print "%s - complex build - see readme" % p
        continue
    if not pdeps: 
        continue
    try:
        f = open(p+".sqf","w")
        for d in pdeps:
            f.write("@" + d + "\n")
        f.write(p+"\n")
    except:
        print "Error while creating SQF (%s) ... continuing ..." % p