#!/bin/bash

git pull --ff-only

if ! diff -u PKGBUILD ../../trunk/PKGBUILD; then
  >&2 echo "trunk differs - say something and I won't create a bug report."
  read -r s
  if [ -n "$s" ]; then
    exit
  fi
fi

if makepkg --verifysource; then
  >&2 echo 'nothing wrong upstream.'
  exit
fi

makepkg_info=$(
  makepkg --verifysource 2>&1
)
git_revision=$(
  git rev-parse HEAD
)

printf 'Bug report:\n\n'
printf 'Description:\n\n'
printf '%s\n' \
  "${makepkg_info}"
printf '\n'
printf 'Additional info:\n'
printf '* package version(s)\n'
printf '%s\n' \
  "${makepkg_info}" | \
  sed -n '
    s/^==> Making package: \(\S\+ \S\+\) (.*$/\1/
    T
    p
  ' | \
  tr -d '\n'
printf ' (git revision %s)\n' \
  "${git_revision}"
printf '\n'
printf 'Steps to reproduce:\n'
printf '> git checkout %s\n' \
  "${git_revision}"
printf '> cd %s\n' \
  "$(
    pwd | \
      sed '
        s,^.*/\([^/]\+/repos/[^/]\+\)$,\1,
      '
  )"
printf '> makepkg --verifysource\n'