#!/bin/sh
set -e

name=alpine
daversionappend=debathena1

dir=$(cd "$(dirname "$0")"; pwd)

hack_package () {
  add_build_depends libhesiod-dev
  add_build_depends libkrb5-dev

  # alpine versions prior to 1.10 have broken krb5 detection.
  # Versions prior to 1.0 can be patched in a similar fashion (though
  # not with exactly the same patch) but we're not currently
  # integrating those.
  case $version in
  1.0*)  patch -p1 < $dir/alpine-1.00-krb5-configure.patch ;;
  esac

  # Integrate krb4 support.
  tar -C imap/src -xzf "$dir/kerberos4-patches.tar.Z"
  patch -p1 < $dir/alpine-1.00-krb4-build.patch
  echo 'DEFAULTAUTHENTICATORS+=krb' >> imap/src/osdep/unix/Makefile

  # Ensure newly created mail directories in AFS are private.
  patch -p1 < $dir/alpine-1.00-creatdir.patch

  # Integrate Hesiod support.
  patch -p1 < $dir/alpine-1.00-hesiod.patch

  # Turn on Hesiod and krb4 suppport in the build.
  configure_flags='alpine_c_client_cflags="-DHESIOD -DKERBEROS" alpine_c_client_ldflags="-lhesiod" LIBS="-lhesiod -lkrb4"'
  if grep -Fq DEB_CONFIGURE_EXTRA_FLAGS debian/rules; then
    echo "DEB_CONFIGURE_EXTRA_FLAGS += $configure_flags" >> debian/rules
  else
    perl -0pe "s|./configure|./configure $configure_flags|m or die" -i debian/rules
  fi
  append_description <<EOF
 .
 This package was rebuilt for the Debathena project to add Hesiod
 support, to add krb4 IMAP support, and to ensure that newly-created
 mail directories in AFS are private.
EOF
  add_changelog 'Add Hesiod support.'
  add_changelog 'Add krb4 IMAP support.'
  add_changelog 'Make newly-created mail directories private in AFS.'
  add_debathena_provides
  munge_sections
}

# dapper has no alpine package.
# etch has an alpine package in backports (which we're not currently
#  set up to use).
# feisty has a package based on 0.82.  gutsy has one based on 0.99,
#  with a 1.0 one in backports.  Both would require additional build
#  system work to integrate due to differences in how they handle
#  CFLAGS for c-client.
case $1 in
etch-*|dapper-*)
  echo "No alpine package for $1; skipping"
  exit
  ;;
feisty-*|gutsy-*)
  echo "alpine package too broken for $1; skipping"
  exit
  ;;
esac

. ../common/debathenificator.sh