#!/bin/bash
# test00_specsyntax -- @package@ test (syntax checks of a specfile)
# Copyright (C) 2012-2013 Davide Madrisan <davide.madrisan@gmail.com>

[ -z "$BASH" ] || [ ${BASH_VERSION:0:1} -lt 2 ] &&
   echo $"this script requires bash version 2 or better" >&2 && exit 1

me=("test00_specsyntax" "@version@" "@date@")

[ -r @libdir@/libmsgmng.lib ] ||
 { echo "$me: "$"library not found"": @libdir@/libmsgmng.lib" 1>&2
   exit 1; }

. @libdir@/libmsgmng.lib

[ -r @libdir@/libtranslate.lib ] ||
 { echo "$me: "$"library not found"": @libdir@/libtranslate.lib" 1>&2
   exit 1; }
. @libdir@/libtranslate.lib

notify.debug $"loading"": \`test00_specsyntax'..."

# check if all the needed tools are available
for tool in cat file getopt grep sed; do
   [ "$(type -p $tool)" ] ||
      notify.error $"utility not found"": \`$tool'"
done

# function specfile.checksyntax()
#    do some syntax checks in the specfile of the building package
# args:
#    $1 : specfile name
#    $2, ... : execute these check numbers (optional, default = all checks)
function specfile.checksyntax() {
   local i rpmvar specfile="$1"

   [[ "$specfile" ]] || notify.error $"\
(bug)"" -- $FUNCNAME: "$"missing mandatory arg"" (#1)"
   notify.debug "$FUNCNAME: specfile = \"$specfile\""

   notify.note " * $specfile"

   local total_issues=0
   local user_agent="Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/81.0"

   # 0. checking if 'Source[0]' is a valid internet address
   # (skip this test if no '%setup' section has been found)
   test.skip $test_number || {
      notify.note "$(test.num2str). ${NOTE}"\
"url""${NORM}..."
     if [[ "$SPEC_URL" ]]; then
       { notify.debug "\
\`url': "$"checking Source URL with: ""\`curl -s -o /dev/null -w \"%{http_code}\" -A \"${user_agent}\" $SPEC_URL'"
       }

       http_code=`curl -s -o /dev/null -w "%{http_code}" -A "${user_agent}" $SPEC_URL`
       if [ "$http_code" != "200" ]; then
         if [ "${http_code:0:2}" == "30" ]; then
           http_effective_url=`curl -w "%{url_effective}" -I -L -s -o /dev/null -A "${user_agent}" -S $SPEC_URL`
           { notify.warning "\
\`url': "$"redirect detected: replacing from \`$SPEC_URL' to \`${http_effective_url}'"
                  let "total_issues += 1";
           }
           sed -i "s|^\(URL:[[:space:]]*\)$SPEC_URL.*|\1${http_effective_url}|" $specfile
         else
           { notify.error "\
\`url': "$"invalid return code for \`$SPEC_URL': $http_code"
                  let "total_issues += 1"; }
         fi
       fi
     fi; }
   test_number=$(($test_number + 1))

   # 1. checking if 'Source[0]' is a valid internet address
   # (skip this test if no '%setup' section has been found)
   test.skip $test_number || {
   grep -q "^%setup[ \t]*$\|^%setup[ \t]\+" $specfile
   if [ $? -eq 0 ]; then
      notify.note "$(test.num2str). ${NOTE}"\
"source0""${NORM}..."
      if [[ "$source0_name_structure" ]]; then
         specfile.getvars -s $specfile --verbatim SPEC_SOURCE0
         if [[ "$SPEC_SOURCE0_VERBATIM" ]]; then
            [[ "$(echo "$SPEC_SOURCE0_VERBATIM" | \
               grep -e "$source0_name_structure")" ]] ||
                { notify.warning "\
\`Source[0]': "$"does not point to a valid internet address"
                  let "total_issues += 1"; }
         fi
      fi
   fi; }
   test_number=$(($test_number + 1))

   # 2. check if the patches have standard names
   # (see the 'patch_name_structure' var in the configure file)
   test.skip $test_number || {
   notify.note "$(test.num2str). ${NOTE}"\
$"patch""${NORM}..."

   specfile.getvars -s $specfile --verbatim SPEC_PATCH
   echo "${SPEC_PATCH_VERBATIM[@]}" | \
   for i in `seq 1 1 ${#SPEC_PATCH_VERBATIM[@]}`; do
      [[ "${SPEC_PATCH_VERBATIM[$i-1]}" =~ \
          $patch_name_structure ]] ||
       { notify.warning "\
patch $i (\`${NOTE}${SPEC_PATCH_VERBATIM[$i-1]}${NORM}') "
         notify.warning $"\
not a standard structure (see config file)";
         let "total_issues += 1"; }
   done; }
   test_number=$(($test_number + 1))

   # 3. check if `%setup' have `-D' and/or `-T' options
   test.skip $test_number || {
   notify.note "$(test.num2str). ${NOTE}"\
"%setup""${NORM}..."

   [[ "$(cat $specfile | \
      sed -n "/%setup/{/-D /p;/-T /p;/-D$/p;/-T$/p}")" ]] &&
       { notify.warning $"\
found \`-D' and/or \`-T' option(s) in the \`%setup' directive"
         let "total_issues += 1"; }
   }
   test_number=$(($test_number + 1))

   # 4. check if all the `%files' blocks have a `%defattr' line
   #    note: skip commented out blocks
   test.skip $test_number || {
   notify.note "$(test.num2str). ${NOTE}"\
"%defattr""${NORM}..."
   [[ "$(sed -e '
            # print paragraph if it contains "%files" and "%defattr"
            /./{H;$!d;}' -e 'x;/%files/!d;/%defattr/!d' $specfile | \
         grep "^[[:space:]]*%files")" != \
      "$(grep "^[[:space:]]*%files" $specfile)" ]] &&
    { notify.error $"\
missing at least one \`%defattr' directive"
      let "total_issues += 1"; }
   }
   test_number=$(($test_number + 1))

   # 5. check if the rpm macros %configure, %make are used
   # - look in the block : `%build' to `%install'
   test.skip $test_number || {
   notify.note "$(test.num2str). ${NOTE}"\
"%build, %install""${NORM}..."

   local token tokens
   sed -n '/%build/,/%install/p' $specfile | \
   while read -a tokens; do
      # ignore comments
      [[ "${tokens[0]}" =~ ^\# ]] && continue
      for token in ${tokens[*]}; do
         case "$token" in
         configure|./configure)
            [[ "$rpm_macro_configure" ]] &&
             { notify.warning $"\
use rpm macros if possible:"" \`$token' --> \`$rpm_macro_configure'"
               let "total_issues += 1"; }
         ;;
         make)
            [[ "$rpm_macro_make" ]] &&
             { notify.warning \
$"use rpm macros if possible:""${NORM}
   $token --> $rpm_macro_make"
               let "total_issues += 1"; }
         ;;
         esac
      done
   done

   # do check between`%install' and `%changelog'
   sed -n '/%install/,/%changelog/p' $specfile | \
   while read -a tokens; do
      # ignore comments
      [[ "${tokens[0]}" =~ ^\# ]] && continue
      for token in ${tokens[*]}; do
         case "$token" in
         "make")
            [[ "$rpm_macro_make" ]] &&
             { notify.warning \
$"use rpm macros if possible:""${NORM}
$([[ "$rpm_macro_makeinstall" ]] &&
     echo "   make install -> $rpm_macro_makeinstall"
  [[ "$rpm_macro_makeoldinstall" ]] &&
     echo "   make install -> $rpm_macro_makeoldinstall" )"
             } ;;
         esac
      done
   done; }
   test_number=$(($test_number + 1))

   # 6. check if '%find_lang' is used when localization files are detected
   test.skip $test_number || {
   notify.note "$(test.num2str). ${NOTE}%find_lang${NORM}..."

   # FIXME : the test should perhaps be improved...
   grep -q "^[ ]*[^# ]*/share/locale/" $specfile &&
    { notify.error $"\
"$"localization files must be packaged via \`%find_lang'""${NORM}
---------------------------------------
${NOTE}"$"Hint"":${NORM}
%install
...
%find_lang %{name}

%files -f %{name}.lang
---------------------------------------
"
      let "total_issues += 1"; }
   }
   test_number=$(($test_number + 1))

   # 7. check for illegal 'Group's (see configuration file)
   test.skip $test_number || {
   if [ "${#rpm_allowed_groups[*]}" = 0 ]; then
      # 'rpm_allowed_groups' unset in the configuration files
      notify.note "$(test.num2str). ${NOTE}"\
$"package Groups""${NORM}..."" "$"skipped"
   else
      notify.note "$(test.num2str). ${NOTE}"\
$"package Groups""${NORM}..."

      local i j match
      for j in `seq 1 1 ${#SPEC_GROUP[*]}`; do
         notify.debug "\
$FUNCNAME: checking if \"${SPEC_GROUP[$j-1]}\" is a known group ..."
         let "match = 0"
         for i in `seq 1 1 ${#rpm_allowed_groups[*]}`; do
            notify.debug "\
$FUNCNAME: current group: \"${rpm_allowed_groups[$i-1]}\""
            [ "${rpm_allowed_groups[$i-1]}" = \
              "${SPEC_GROUP[$j-1]}" ] &&
             { let "match = 1"; break; }
         done
         [ "$match" = 1 ] ||
          { notify.error "\
"$"invalid \`Group'"" \"${SPEC_GROUP[$j-1]}\"""${NORM}
---------------------------------------
${NOTE}"$"Hint"":${NORM}""
"$"see configuration files"" (\`${NOTE}rpm_allowed_groups${NORM}')
"$"or enter the command"":
${NOTE}@package@ --eval=rpm_allowed_groups${NORM}
---------------------------------------
"
            let "total_issues += 1"; }
      done
   fi; }
   test_number=$(($test_number + 1))

   # 8. check for no approved 'License's (see configuration file)
   test.skip $test_number || {
   if [ "${#rpm_approved_licenses[*]}" = 0 ]; then
      # 'rpm_approved_licenses' unset in the configuration files
      notify.note "$(test.num2str). ${NOTE}"\
$"approved License""${NORM}..."" "$"skipped"
   else
      notify.note "$(test.num2str). ${NOTE}"\
$"approved License""${NORM}..."
      local i j match
      for j in `seq 1 1 ${#SPEC_LICENSE[*]}`; do
         notify.debug "\
$FUNCNAME: checking if \"${SPEC_LICENSE[$j-1]}\" is an approved license ..."
         let "match = 0"
         for i in `seq 1 1 ${#rpm_approved_licenses[*]}`; do
            notify.debug "\
$FUNCNAME: current license: \"${rpm_approved_licenses[$i-1]}\""
            [ "${rpm_approved_licenses[$i-1]}" = \
              "${SPEC_LICENSE[$j-1]}" ] &&
             { let "match = 1"; break; }
         done
         [ "$match" = 1 ] ||
          { notify.warning "\
"$"not approved \`License'"" \"${NOTE}${SPEC_LICENSE[$j-1]}${NORM}\"""
---------------------------------------
${NOTE}"$"Hint"":${NORM}""
"$"see configuration files"" (\`${NOTE}rpm_approved_licenses${NORM}')
"$"or enter the command"":
${NOTE}@package@ --eval=rpm_approved_licenses${NORM}
---------------------------------------
"
            let "total_issues += 1"; }
      done
   fi; }
   test_number=$(($test_number + 1))

   notify.note "
 --> "$"${NOTE}Specfile checks: ${NORM}\
${WARN}$total_issues${NORM} ${NOTE}warnings.${NORM}""
"
   return $total_issues
}