# Don't bother with sha256sums, use blake2 only
unset sha256sums

source_pentium4=('config.pentium4')
source_i686=('config.i686')
source_i486=('config.i486')
b2sums_pentium4=('c2fa0bef869355e68553944d0a33e6089d752fef862262633e24c9349147496c9c1a20e0d1790341e716ab86ae6e9f6863841baf773e8511c0d7351c73897642')
b2sums_i686=('c2fa0bef869355e68553944d0a33e6089d752fef862262633e24c9349147496c9c1a20e0d1790341e716ab86ae6e9f6863841baf773e8511c0d7351c73897642')
b2sums_i486=('c2fa0bef869355e68553944d0a33e6089d752fef862262633e24c9349147496c9c1a20e0d1790341e716ab86ae6e9f6863841baf773e8511c0d7351c73897642')


# copy architecture specific config file, not default 'config'
eval "$(
  declare -f prepare | \
    sed '
      s,\.\./config,../config.$CARCH,
    '
)"

# patch architecture when copying the kernel Makefile
eval "$(
  declare -f package_${pkgbase}-headers | \
    sed '
      \,arch/x86/Makefile, {
        a \
        install -t "${builddir}/arch/x86" -m644 arch/x86/Makefile_32.cpu
      }
      $ i depends+=(gcc-libs=$(_get_gcc_version_from_config))
    '
)"

_get_gcc_version_from_config() {
  if [ -z "$srcdir" ]; then
    gcc --version \
    | sed '
      s@^.* @@
      1!d
    '
  else
    for _config_file in "$srcdir/$_srcname/.config" "$srcdir/config" "${srcdir%/*}/config"; do
      [ -f "$_config_file" ] && break
    done
    sed '
      s/^CONFIG_CC_VERSION_TEXT="gcc (GCC) \([0-9.]\+\)"$/\1/
      t
      d
    ' "$_config_file"
  fi
}

# use our tarballer instead of cloning from git
for ((i=0; i<${#source[@]}; i++)); do
  infos=$(
    printf '%s\n' "${source[${i}]}" | \
      sed '
        s@^\(\([^:]\+\)::\)\?\(git\|hg\)+\([^#?]\+\)\(?signed\)\?#\(\(tag\|commit\)=[^?]\+\)$@\3 \2 \4 \5 \6@
        t
        s@^\(\([^:]\+\)::\)\?\(git\|hg\)+\([^#?]\+\)#\(\(tag\|commit\)=[^?]\+\)\(?signed\)\?$@\3 \2 \4 \7 \5@
        t
        d
      '
  )
  if [ -n "${infos}" ]; then
    source[${i}]=$(
      type="${infos%% *}"
      infos="${infos#* }"
      if [ -n "${infos%% *}" ]; then
        prefix="${infos%% *}"
      else
        prefix=''
      fi
      infos="${infos#* }"
      repo="${infos%% *}"
      repo64=$(
        printf '%s' "${repo}" | \
          base64 -w0 | \
          sed 's/=/%3D/g'
      )
      infos="${infos#* }"
      if [ "${infos%% *}" = '?signed' ]; then
        key_check=$(
          printf '&valid_keys='
          printf '%s,' "${validpgpkeys[@]}" | \
            sed 's/,$//'
        )
      else
        key_check=''
      fi
      infos="${infos#* }"
      if [ -z "${prefix}" ]; then
        prefix="${repo%.git}"
        prefix="${prefix##*/}"
      fi
      prefix_64=$(
        printf '%s/' "${prefix}" | \
          base64 -w0 | \
          sed 's/=/%3D/g'
      )

      printf '%s-%s.tar.gz::https://archive-server.archlinux32.org/?t=%s&p=%s&r=%s%s&%s\n' \
        "${prefix}" \
        "${pkgver}" \
        "${type}" \
        "${prefix_64}" \
        "${repo64}" \
        "${key_check}" \
        "${infos}"
    )
  fi
done

# upstream prepare() does already do the *.patch patching

# avoid using zstd compression in ultra mode (exhausts virtual memory)
source+=('no-ultra-zstd.patch')
b2sums+=('e7915714b504b92155c983a30df6d97966c14520dc9eb004671003dbdecf454b061138a6d237cabe86be32ae2ea4c598cdb821cb1dd52f6a9bfe5e280bffa321')

# objtool doesn't exist because we don't have STACK_VALIDATION
# and resolve_btfids doesn't exist because we disable BTF due to pahole running out of memory
eval "$(
  declare -f package_${pkgbase}-headers | \
    sed '/objtool/d' | \
    sed '/resolve_btfids/d' | \
    sed 's@tools/bpf/bpftool/vmlinux.h@@'
)"

# temporarily disabled documentation due to sphinx_rtd_theme (FS32#163)
pkgname=(
  $(
    printf '%s\n' "${pkgname[@]}" | \
      grep -v '^\$pkgbase-docs'
  )
)

# Also avoid building/running bpftool and doc-related
eval "$(
  declare -f build | \
    sed '/htmldocs/d' | \
    sed '/wait/d' | \
    sed '/bpftool/d'
)"
makedepends=(${makedepends[@]//python-sphinx_rtd_theme/})
makedepends=(${makedepends[@]//python-sphinx<6.0.0/})
makedepends=(${makedepends[@]//graphviz/})
makedepends=(${makedepends[@]//imagemagick/})
makedepends=(${makedepends[@]//texlive-latexextra/})