slpm-genpkg

#!/bin/sh
# --pancake // 2010-2011

whereami() {
  for a in $PWD `echo $PATH | sed 's,:, ,g'` ; do
    if [ -e "$a/$1" ]; then
      echo "$a/$1"
      return
    fi
  done
  echo $1
}
ROOT="`whereami $BIN`"
. "${ROOT}/config"

if [ -n "${IGNDIRS}" ]; then
  igncmd="grep -v $(echo "-e$IGNDIRS" | sed -e 's, , -e,g')"
else
  igncmd="cat"
fi
export igncmd

gentoo_files() {
  qlist $1
  desc=$(emerge -s $1 | grep Description | cut -d -f 10-)
  echo "DESC=\"${desc}\"" > slpm.nfo
  echo "URL=\"none\"" >> slpm.nfo
  echo "TYPE=genpkg" >> slpm.nfo
}
gentoo_version() {
  emerge -s $1 | grep "version installed" | awk '{print $4}' | grep -v "\["
}

debian_files() {
  dpkg -L $1
  desc=$(dpkg -s $1 | grep Descrip | cut -d : -f 2- | cut -c 2-)
  echo "DESC=\"${desc}\"" > slpm.nfo
  echo "URL=\"none\"" >> slpm.nfo
  echo "TYPE=genpkg" >> slpm.nfo
}
debian_version() {
  dpkg -s $1 | grep Version | cut -d : -f 2- | cut -c 2-
}

arch_files() {
  pacman -Ql $1 | cut -d ' ' -f 2- | grep -v /$
  desc=$(pacman -Qi $1 | grep Descr | cut -d : -f 2- | cut -c 2-)
  url=$(pacman -Qi $1 | grep URL | cut -d : -f 2- | cut -c 2-)
  echo "DESC=\"$desc\"" > slpm.nfo
  echo "URL=\"$url\"" >> slpm.nfo
  echo "TYPE=genpkg" >> slpm.nfo
}
arch_version() {
  pacman -Qi $1 | grep Version | awk '{print $3}'
}

port_files() {
  port contents $1 | cut -c 3-
  desc=$(port info $1 | grep Description | cut -c 23-)
  url=$(port info $1 | grep Homepage | awk '{print $2}')
  echo "DESC=\"$desc\"" > slpm.nfo
  echo "URL=\"$url\"" >> slpm.nfo
  echo "TYPE=genpkg" >> slpm.nfo
}
port_version() {
  port info xz | head -n 1 | cut -d '@' -f 2 | awk '{print $1}'
}

getdistro() {
  pacman -h >/dev/null 2>&1
  if [ $? = 2 ]; then echo arch ; return ; fi
  emerge -h >/dev/null 2>&1
  if [ $? = 0 ]; then echo gentoo ; return ; fi
  dpkg -h >/dev/null 2>&1
  if [ $? = 0 ]; then echo debian ; return ; fi
  port help >/dev/null 2>&1
  if [ $? = 0 ]; then echo port ; return ; fi
}

if [ -z "$1" ]; then
  echo "Usage: $0 [pkgname]"
  echo "Supports osx-ports, debian, gentoo and pacman packages"
  exit 1
fi

distro=$(getdistro)
if [ -z "$distro" ]; then
  echo "Cannot find port, pacman, emerge or dpkg programs."
  exit 1
fi
pkg=$1
export pkg distro

rm -rf .tmp
mkdir -p .tmp
cd .tmp
  pkgver=$(${distro}_version $pkg)
  if [ -z "$pkgver" ]; then
    echo "Error: unknown package version"
  else
    echo version: $pkgver
    files=`${distro}_files $pkg`
    for a in $files ; do
      [ -z "`echo $a | $igncmd `" ] && continue
      [ -d "$a" ] && continue
      dir=$(dirname $a)
      mkdir -p ./$dir
      if [ -z "`echo $a|grep /$`" ]; then
        echo $a
        cp -fa $a ./$a
      fi
    done
    tar cpzf ../slpm-${pkg}-${pkgver}.tgz *
    echo
    echo slpm-${pkg}-${pkgver}.tgz
  fi
cd ..
rm -rf .tmp