#!/bin/sh -u
#
# Create a new repository entry in /etc/yum.repos.d.
#	- Cameron Simpson <cs@zip.com.au> 143dec2004
#

: ${TMPDIR:=/tmp}

yumdir=/etc/yum.repos.d

cmd=`basename "$0"`
usage="Usage: $cmd reponame baseurl [param=value...]"

nl='
'

badopts=
repo=
repo_name=
repo_enabled=enabled=1
repo_gpgcheck=gpgcheck=0

if [ $# = 0 ]
then
  echo "$cmd: missing reponame" >&2
  badopts=1
else
  repo=$1; shift
  if [ $# = 0 ]
  then
    echo "$cmd: missing baseurl" >&2
    badopts=1
  else
    baseurl=$1; shift

    repo_params=baseurl=$baseurl
    while [ $# -gt 0 ]
    do
      case "$1" in
	name=*)
	  repo_name=$1
	  ;;
	enabled=*)
	  repo_enabled=$1
	  ;;
	gpgcheck=*)
	  repo_gpgcheck=$1
	  ;;
	*=*)
	  repo_params=$repo_params$nl$1
	  ;;
	*)echo "$cmd: expected param=value, found \"$1\"" >&2
	  badopts=1
	  ;;
      esac
      shift
    done
  fi
fi

if [ -n "$repo" ]
then
  repofile=$yumdir/$repo.repo
  if [ -s "$repofile" ]
  then
    echo "$cmd: $repofile already exists" >&2
    badopts=1
  fi
fi

if [ -z "$badopts" ]
then
  if [ -z "$repo_name" ]
  then
    [ -t 0 -a -t 1 ] || { echo "$cmd: can't prompt for repo name: stdin and stdout should be terminals" >&2
			  badopts=1
			}
    title=`readline "repo title> "` || exit 1
    if [ -z "$title" ]
    then
      echo "$cmd: empty title rejected" >&2
      badopts=1
    else
      repo_name=name=$title
    fi
  fi
fi

[ $badopts ] && { echo "$usage" >&2; exit 2; }

tmpf=$TMPDIR/$cmd.$$

echo "[$repo]
$repo_name
$repo_params
$repo_enabled
$repo_gpgcheck" >"$tmpf" || exit 1

exec mv -i "$tmpf" "$repofile"