#!/bin/bash -e

trap 'tput bel || :; echo Failed! >&2' EXIT

yes_no() {
  local c
  while :; do
    c="$(set +e
         trap 'stty echo -iuclc icanon 2>/dev/null' EXIT INT TERM QUIT
         stty -echo iuclc -icanon 2>/dev/null
         dd count=1 bs=1 2>/dev/null | od -An -tx1)"
    case "$c" in
      " 0a") if [ -n "$1" ]; then
               [ $1 -eq 0 ] && echo "Y" || echo "N"
               return $1
             fi
             ;;
      " 79") echo "Y"
             return 0
             ;;
      " 6e") echo "N"
             return 1
             ;;
      "")    echo "Aborted" >&2
             exit 1
             ;;
      *)     # The user pressed an unrecognized key. As we are not echoing
             # any incorrect user input, alert the user by ringing the bell.
             (tput bel) 2>/dev/null || :
             ;;
    esac
  done
}

test -r configure.ac
svn update
{
rev=$(($(svn info | sed -e 's/^Revision: \(.*\)/\1/;t1;d;:1;q')+1))
} 2>/dev/null
prj="$(sed -e 's/^AC_INIT(\([^,]*\),.*/\1/;t1;d;:1;q' configure.ac)"
ver="$(sed -e 's/^AC_INIT([^,]*, *\([^,]*\),.*/\1/;t1;d;:1;q' configure.ac)"
sed -ie 's/^\(VCS_REVISION=\).*/\1'"${rev}"'/' configure.ac
make all distcheck
( trap 'rm -rf "${prj}-${ver}"' EXIT
  rm -f "${prj}-${ver}" &&
  tar zfx "${prj}-${ver}.tar.gz" &&
  cd "${prj}-${ver}" &&
  fakeroot dpkg-buildpackage -us -uc &&
  cd .. &&
  rm -f $(ls "${prj}_${ver}-"*.* | egrep -v '.deb$') ) || :
svn diff $(svn st |
           egrep -v ' configure$| aclocal.m4$|^[?]' |
           sed -e 's/^[^ ]* *//') | less
echo -n 'Commit these changes (Y/n): '
yes_no 0 || exit 1
svn commit

trap '' EXIT
exit 0