Difference between revisions of "Mediawiki installation/Version 1.23.8"

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# set global variables
do_not_install_but_show_dry_run="" # "" or "anything-but-non-empty"
if [ "$do_not_install_but_show_dry_run" != "" ]; then 
  install_notice="DRY RUN (nothing is done)";
else
  install_notice="INSTALL";
fi

git_mw_basedir="/usr/share/mw-wmf-clone"
git_mw_core_source_dir="${git_mw_basedir}/core"
git_mw_extension_source_dir="${git_mw_basedir}/extensions"
git_branch="origin/REL1_23"
git_tag="1.23.8"

v_wiki_folder="./v-infoflora"
v_wiki_sub_folder="" # default ""
web_wiki_script_folder="./d" # default ./w for wiki or web or what ever
web_wiki_config_folder="./mw-config" # default ./mw-config
web_base_dir="/var/www"

if [ "${v_wiki_sub_folder}" == "" ];then
  web_wiki_base_dir="${web_base_dir}/${v_wiki_folder}/${web_wiki_script_folder}"
else
  web_wiki_base_dir="${web_base_dir}/${v_wiki_folder}/${v_wiki_sub_folder}/${web_wiki_script_folder}"
fi

mw_LTS_version_source_path="/usr/share/mediawiki23"
mw_LTS_version_source_extension_path="${mw_LTS_version_source_path}/extensions"
# echo "$mw_LTS_version_source_extension_path"

if [ "`command -v realpath`" ]; then web_wiki_base_dir=`realpath "$web_wiki_base_dir"`; fi
printf "\e[47mBase directory of the Wiki will be: \e[42m'%s'\e[0m\n" "${web_wiki_base_dir}"
echo -e "\e[31m$install_notice\e[0m"
# end of global variables
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cd "${git_mw_core_source_dir}"; 
  sudo git pull;
  git branch -r | sort --version-sort # list branches
  git tag -l | sort --version-sort # list tags
cd "${git_mw_extension_source_dir}";
  sudo git pull; sudo git submodule update --init --recursive;
  git branch -r | sort --version-sort # list branches
  git tag -l | sort --version-sort # list tags
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# STEP checkout git clone to git_branch for the subsequent export?
# may be skipped, because later a branched or tagged archive will be exported
# and no copy and paste of a checkout
cd "${git_mw_core_source_dir}"
  # git branch -r | sort --version-sort # list branches
  # git tag -l | sort --version-sort # list tags
  if [ "$do_not_install_but_show_dry_run" == "" ]; then
    sudo -u root -g mwadmin git checkout -b $git_branch $git_tag
  fi
  printf "\e[47mgit clone in '\e[42m%s\e[47m' is checkout to branch: '%s' tag: '%s'\e[0m\n"  "${git_mw_core_source_dir}" "$git_branch" "$git_tag"
cd "${git_mw_extension_source_dir}" 
  # git branch -r | sort --version-sort # list branches
  # git tag -l | sort --version-sort # list tags
  # extensions seem to have no tags
  if [ "$do_not_install_but_show_dry_run" == "" ]; then
    sudo -u root -g mwadmin git checkout -b $git_branch
  fi
  printf "\e[47mgit clone in '\e[42m%s\e[47m' is checkout to branch: '%s' (extensions seem to have no global tags)\e[0m\n" "${git_mw_extension_source_dir}" "$git_branch"
# end checkout of git clone in git_mw_basedir
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# create MediaWiki versioned source (the source of a LTS-version)
if ! [ -d "${mw_LTS_version_source_path}" ]; then 
  if [ "$do_not_install_but_show_dry_run" == "" ]; then
    sudo -u root -g mwadmin mkdir --parent "${mw_LTS_version_source_path}"
  fi
  echo -e "\e[47mCreate wiki source directory ($git_branch): \e[42m'${mw_LTS_version_source_path}'\e[0m"
else
  echo -e "\e[47mWiki wiki source directory ($git_branch) exits already: \e[42m'${mw_LTS_version_source_path}'\e[0m"
fi

echo -e "\e[47mCheck also release notes, e.g. \e[42m'${mw_LTS_version_source_path}/RELEASE-NOTES-X.XX'\e[0m"
  
# cd "${git_mw_core_source_dir}"
# sudo -u root -g mwadmin git checkout -b origin/REL1_23 1.23.8 only from repo clone directly

###
# MediaWiki core files and directories
if [ "$do_not_install_but_show_dry_run" == "" ]; then
  # EXAMPLE: sudo git archive origin/REL1_23 | sudo -u root -g mwadmin tar --extract --overwrite --directory=/usr/share/mediawiki23
  cd "${git_mw_core_source_dir}" && sudo git archive $git_tag | sudo -u root -g mwadmin tar --extract --overwrite --directory="${mw_LTS_version_source_path}"
  if [ -d "${mw_LTS_version_source_extension_path}" ]; then
    sudo chown root:www-data -R "${mw_LTS_version_source_extension_path}"
  fi
else
  echo "cd \"${git_mw_core_source_dir}\" && sudo git archive $git_tag | sudo -u root -g mwadmin tar --extract --overwrite --directory=\"${mw_LTS_version_source_path}\""
fi
# cd "${git_mw_extension_source_dir}"
# ls -l
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#######################################
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# check extensions: find all extensions and print tags
IFS=$'\n'; # Internal Field Separator: printf %q "$IFS" # default $' \t\n'
for ext in `find "${git_mw_extension_source_dir}" -maxdepth 1 -type d -printf "%f\n" | sort`; do 
  printf "%s" "$ext"; 
  cd "${git_mw_extension_source_dir}/$ext";
  tags=""; tags=`git tag -l | sed ':anchor;N;$!banchor;s@\n@, @g; s@ \{2,\}@ @g;'` ; 
  if [ "$tags" != "" ]; then printf "\n  tags: %s" "$tags"; else printf "\n";  fi
done;
  cd "${git_mw_extension_source_dir}"
IFS=$' \t\n';
# end check extensions' tags
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# check extensions: find all extensions and print branches
IFS=$'\n'; # Internal Field Separator: printf %q "$IFS" # default $' \t\n'
for ext in `find "${git_mw_extension_source_dir}" -maxdepth 1 -type d -printf "%f\n" | sort`; do 
  printf "%s" "$ext"; 
  cd "${git_mw_extension_source_dir}/$ext";
  branches=""; branches=`git branch --remotes | sed ':anchor;N;$!banchor;s@\n@, @g; s@ \{2,\}@ @g;'`
  if [ "$branches" != "" ]; then printf "\n  branches: %s" "$branches"; else printf "\n"; fi
done;
  cd "${git_mw_extension_source_dir}"
IFS=$' \t\n';
# end check extensions' branches
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#######################################

#######################################
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# create sources for LTS-MediaWiki extensions
# IMPORTANT: extensions managed by PHP script composer.phar
# must be dealt with individually on the level WEB_WIKI
#
# basic extensions from a v1.23.8 tar.gz download are:
#   Cite, ConfirmEdit, Gadgets, ImageMap, InputBox, Interwiki, LocalisationUpdate, 
#   Nuke, ParserFunctions, Poem, Renameuser, SpamBlacklist, SyntaxHighlight_GeSHi, 
#   TitleBlacklist, WikiEditor
EXTENSIONS="
Arrays
CategoryTree
CharInsert
Cite
Collection
ConfirmAccount
ConfirmEdit
ContactPage
DataTransfer, 0.6
DismissableSiteNotice
ExternalData, 1.8
Gadgets
HeaderTabs, 1.0.1
ImageMap
InputBox
Interwiki
LiquidThreads
LocalisationUpdate
Lockdown
MassEditRegex
Math
MediaFunctions
MwEmbedSupport
MultimediaViewer
Nuke
OpenID
PageTools, REL_2_0
ParserFunctions
Poem
PdfExport
PdfHandler
Quiz
Renameuser
ReplaceText
SemanticCompoundQueries
SemanticDrilldown
SemanticForms
SemanticFormsInputs
SemanticInternalObjects
SpamBlacklist
SyntaxHighlight_GeSHi
TimedMediaHandler
TitleBlacklist
TitleKey
UploadWizard
Variables
Widgets
WikiEditor
WikimediaMessages
"

this_ext_update_status=""
 IFS=$'\n'; # Internal Field Separator: printf %q "$IFS" # default $' \t\n'
 for ext in $EXTENSIONS; do
  # split line on ", ". If only one value, export HEAD, else first value is branch/tag. Example:
  #   SemanticMediaWiki, 1.8
  #      ↓                   ↓
  #   $extension, $this_clone_version
  #   will export tag 1.8
  # --------------------------------------
  # NOTE: check the line (similar to ternary operator: if condition ? dothis : dootherthings)
  # $( … ) substitutes/returns the command's output
  # → if ext-check-with-comma == ext then (&&) "HEAD" else (||) version-string-from-above-list-of-EXTENSIONS
  # ${ext%,*}    from back  of $ext → delete shortest (%) or (%%) longest match 
  # ${ext#*,* }  from front of $ext → delete shortest (#) or (##) longest match
  # --------------------------------------
  this_extension=$([ "${ext%,*}" == "$ext" ] && echo "$ext" || echo "${ext%*,* *}");
  this_clone_version=$([ "${ext%,*}" == "$ext" ] && echo "$git_branch" || echo "${ext#*,* *}");
  if ! [ -d "${git_mw_extension_source_dir}/${this_extension}" ]; then
    echo "${git_mw_extension_source_dir}/${this_extension} DOES NOT EXIST AS GIT SOURCE, check the extension's name or path!! (extension was skipped)";
  else
    if [ ! -d "${mw_LTS_version_source_extension_path}/${this_extension}" ]; then
      this_ext_update_status="+";
      if [ "$do_not_install_but_show_dry_run" == "" ]; then
        sudo mkdir --parents "${mw_LTS_version_source_extension_path}/${this_extension}";
        sudo chown www-data:www-data "${mw_LTS_version_source_extension_path}/${this_extension}";
      else
        echo "sudo mkdir --parents \"${mw_LTS_version_source_extension_path}/${this_extension}\"; # add $this_ext_update_status;"
        echo "sudo chown www-data:www-data \"${mw_LTS_version_source_extension_path}/${this_extension}\";"
      fi
    else
      this_ext_update_status="u";
    fi;
    printf "git archive export: %1s %-30s %s\n" $this_ext_update_status $this_extension $this_clone_version;
    if [ "$do_not_install_but_show_dry_run" == "" ]; then
      # EXAMPLE: sudo git archive --prefix=AdminLinks/ HEAD | sudo -u www-data tar --extract --overwrite --directory=/usr/share/mediawiki23/extensions
      cd "${git_mw_extension_source_dir}/${this_extension}" && sudo git archive --prefix="${this_extension}/" $this_clone_version | \
      sudo -u www-data tar --extract --overwrite --directory="${mw_LTS_version_source_extension_path}";
    else
      echo "cd \"${git_mw_extension_source_dir}/${this_extension}\" && sudo git archive --prefix=\"${this_extension}/\" $this_clone_version | sudo -u www-data tar --extract --overwrite --directory=\"${mw_LTS_version_source_extension_path}\";"
    fi
  fi;
 done;
 IFS=$' \t\n';
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#######################################

## Problem unsupported extensions ##
# https://www.mediawiki.org/wiki/Extension:StringFunctions
cd "${mw_LTS_version_source_extension_path}"
sudo svn co http://svn.wikimedia.org/svnroot/mediawiki/trunk/extensions/StringFunctions/
# link StringFunctions to infoflora manually
sudo ln -s "${mw_LTS_version_source_extension_path}/StringFunctions" "${web_wiki_base_dir}/extensions/StringFunctions"

#######################################
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# subversion step 1: biowikifarm extensions to ${mw_LTS_version_source_extension_path} 
cd "${mw_LTS_version_source_extension_path}"
sudo -u www-data -g www-data svn checkout file:///var/lib/svn/LocalSVNextensions "${mw_LTS_version_source_extension_path}"

# subversion step 2
# create post hook commit to the MediaWiki LTS source
# file sudo vi /var/lib/svn/hooks/post-commit
#!/bin/bash
if [ -d "/usr/share/mediawiki23/extensions" ]; then
  echo -en "\n\npost-commit mediawiki23/extensions (r${REV})\n" >> "${LOGFILE}"
  cd /usr/share/mediawiki23/extensions
  echo "try to get /usr/bin/svn update >> \"${LOGFILE}\"" >> "${LOGFILE}";
  /usr/bin/svn update >> "${LOGFILE}"
  echo -ne " (done)\n" >> "${LOGFILE}"
fi
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#######################################

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# STEP create web wiki directory
if ! [ -d "${web_wiki_base_dir}" ]; then 
  echo -e "\e[47mCreate wiki web base directory (sudo): \e[42m'${web_wiki_base_dir}'\e[0m"
  if [ "$do_not_install_but_show_dry_run" == "" ]; then
    sudo -u root -g mwadmin mkdir --parent "${web_wiki_base_dir}"
    # sudo chown root:mwadmin "${web_wiki_base_dir}" -R
  else
    echo "sudo -u root -g mwadmin mkdir --parent \"${web_wiki_base_dir}\""
  fi
else
  echo -e "\e[47mWiki web base directory exits already: \e[42m'${web_wiki_base_dir}'\e[0m"
fi
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# STEP create symlink to openmedia
if ! [ -d "${web_base_dir}/${v_wiki_folder}/o" ]; then 
  echo -e "\e[47mCreate Openmedia-symlink \e[42m'${web_base_dir}/${v_wiki_folder}/o'\e[47m → \e[42m'../v-species/o'\e[0m"
  if [ "$do_not_install_but_show_dry_run" == "" ]; then
    sudo ln -s "../v-species/o" "${web_base_dir}/${v_wiki_folder}/o"
    sudo mkdir "${web_base_dir}/${v_wiki_folder}/o = Openmedia-symlink"
    # sudo chown root:mwadmin "${web_wiki_base_dir}" -R
  else
    echo "sudo ln -s \"../v-species/o\" \"${web_base_dir}/${v_wiki_folder}/o\";"
  fi
else
  echo -e "\e[47mOpenmedia-symlink exits already \e[42m'${web_base_dir}/${v_wiki_folder}/o'\e[0m"
fi
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# symbolic links of folders of LTS version
# for $web_wiki_base_dir to $mw_LTS_version_source_path
cd "${mw_LTS_version_source_path}"
# \( ! -name '.*' \) avoids finding hidden directories
for mw_LTS_version_wiki_folder in `find . -maxdepth 1 \( ! -name '.*' \) -type d -printf "%f\n"`; do
  if ! [ -e "${web_wiki_base_dir}/${mw_LTS_version_wiki_folder}" ]; then
    echo "symbolic link to ${web_wiki_base_dir}/${mw_LTS_version_wiki_folder}"
    sudo ln -s "${mw_LTS_version_source_path}/${mw_LTS_version_wiki_folder}" "${web_wiki_base_dir}/${mw_LTS_version_wiki_folder}"
  fi
done
# symbolic links of files of LTS version
cd "${mw_LTS_version_source_path}"
# \( ! -name '.*' \) avoids finding hidden directories
for mw_LTS_version_wiki_file in `find . -maxdepth 1 \( ! -name '.*' \) -type f -printf "%f\n"`; do
  if ! [ -e "${web_wiki_base_dir}/${mw_LTS_version_wiki_file}" ]; then
    echo "symbolic link to ${web_wiki_base_dir}/${mw_LTS_version_wiki_file}"
    sudo ln -s "${mw_LTS_version_source_path}/${mw_LTS_version_wiki_file}" "${web_wiki_base_dir}/${mw_LTS_version_wiki_file}"
  fi
done
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# extension: remove symbolic link to folder extensions
  # no symbolic link to mw_LTS_version_source_extension_path
  # because composer.phar handles extension on level WEB_WIKI
  sudo rm -i "${web_wiki_base_dir}/extensions" # remove interactively
  echo "create ${web_wiki_base_dir}/extensions"
  sudo -u root -g www-data mkdir "${web_wiki_base_dir}/extensions"
  
# cache: reroute cache folder to a dump partition
  var_dump_dir_for_wiki="/mnt/dump/var/www/v-infoflora-d-cache";
  web_wiki_base_dir="/var/www/v-infoflora/d";
  echo "create ${var_dump_dir_for_wiki}";
  sudo mkdir --parent "${var_dump_dir_for_wiki}"; 
  sudo chown www-data:www-data "${var_dump_dir_for_wiki}";
  sudo chmod 775 -R "${var_dump_dir_for_wiki}";
  echo "remove current ${web_wiki_base_dir}/cache";
  sudo rm "${web_wiki_base_dir}/cache" -r;
  echo "make symbolic link ${web_wiki_base_dir}/cache → ${var_dump_dir_for_wiki}";
  sudo ln -s "${var_dump_dir_for_wiki}" "${web_wiki_base_dir}/cache";
  
# images: use media instead, reroute to dump partition
  var_dump_dir_for_wiki="/mnt/storage/var-www-v-inflora-d-media";
  web_wiki_base_dir="/var/www/v-infoflora/d";
  echo "remove current ${web_wiki_base_dir}/images";
  sudo rm -i "${web_wiki_base_dir}/images"  # remove it interactively
  echo "create ${var_dump_dir_for_wiki}";
  sudo mkdir --parent "${var_dump_dir_for_wiki}"; 
  sudo chown www-data:www-data "${var_dump_dir_for_wiki}"; 
  sudo chmod 775 -R "${var_dump_dir_for_wiki}";
  echo "make symbolic link ${web_wiki_base_dir}/media → ${var_dump_dir_for_wiki}";
  sudo ln -s "${var_dump_dir_for_wiki}" "${web_wiki_base_dir}/media";
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# create symlinks to extensions individually
# reason: composer-extensions must be dealt with
# on level WEB_WIKI individually
# @dependency $EXTENSIONS
# @dependency global variables

SVN_BIOWIKIFARM_EXTENSIONS="
CommonsMediaCaching
ContributorList
IdentificationTool
ListAllExternalLinks
MobileKeyV1
MobileKeyV2
TemplateParameterIndex
"
LTS_EXTENSIONS=`echo "${EXTENSIONS}\n${SVN_BIOWIKIFARM_EXTENSIONS}" | sed 's@ *, .*@@g;/^$/d;' | sort --unique`

 this_ext_update_status=""
 IFS=$'\n'; # Internal Field Separator: printf %q "$IFS" # default $' \t\n'
 for ext in $LTS_EXTENSIONS; do
  # ${ext%,*}    from back  of $ext → delete shortest (%) or (%%) longest match 
  # ${ext#*,* }  from front of $ext → delete shortest (#) or (##) longest match
  this_extension=$([ "${ext%,*}" == "$ext" ] && echo "$ext" || echo "${ext%*,* *}");
  if ! [ -d "${mw_LTS_version_source_extension_path}/${this_extension}" ]; then
    echo "${mw_LTS_version_source_extension_path}/${this_extension} DOES NOT EXIST as LTS source, check '${mw_LTS_version_source_extension_path}' (extension was skipped)";
  else
    if ! [ -e "${web_wiki_base_dir}/extensions/${this_extension}" ]; then
      this_ext_update_status="+";
      if [ "$do_not_install_but_show_dry_run" == "" ]; then
        sudo ln -s "${mw_LTS_version_source_extension_path}/${this_extension}" "${web_wiki_base_dir}/extensions/${this_extension}";
      else
        echo "sudo ln -s \"${mw_LTS_version_source_extension_path}/${this_extension}\" \"${web_wiki_base_dir}/extensions/${this_extension}\";";
      fi
    else
      this_ext_update_status=".";
    fi;
    printf "symlink: %1s %-30s\n" $this_ext_update_status $this_extension;
  fi;
 done;
 IFS=$' \t\n';
##↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑

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# get, install PHP composer tool
cd ~ # go to personal home directory
sudo curl -sS https://getcomposer.org/installer | php
sudo chown root:mwadmin composer.phar
sudo mv composer.phar /usr/local/bin/

# create ${web_wiki_base_dir}/composer.json
# see ${web_wiki_base_dir}/composer-example.json
sudo cp "${web_wiki_base_dir}/composer-example.json" "${web_wiki_base_dir}/composer.json"
sudo chown root:mwadmin  "${web_wiki_base_dir}/composer.json"
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##↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
# rename e.g. extension SemanticForms folder → SemanticForms_2015-01-15
# create a file containing all composer commands to be installed manually later on
cd "${web_wiki_base_dir}"
composer_command_file="composer_extensions_to_be_manually_installed.sh"
# ExtensionName, composer-require-command
COMPOSER_EXTENSIONS="
GraphViz, require mediawiki/graph-viz '*'
ImageMap, require mediawiki/image-map '@dev'
SemanticMediaWiki, require mediawiki/semantic-media-wiki '~2.0'
SemanticForms, require mediawiki/semantic-forms '3.1'
SemanticResultFormats, require mediawiki/semantic-result-formats '2.0'
SemanticMaps, require mediawiki/semantic-maps '3.1.3'
PHPExcel, require phpoffice/phpexcel '1.8.0'
"
echo "Install extensions manually, see '${web_wiki_base_dir}/$composer_command_file'";
echo "You may check also dependencies manually and rename those extension folders manually too, e.g. SemanticMaps is dependent on Maps";
if [ "$do_not_install_but_show_dry_run" == "" ]; then
  sudo /bin/su -c "echo '' > \"${web_wiki_base_dir}/$composer_command_file\""
else
  echo "sudo /bin/su -c \"echo '' > \\\"${web_wiki_base_dir}/$composer_command_file\\\"\" "
fi
IFS=$'\n'; # Internal Field Separator: printf %q "$IFS" # default $' \t\n'
 for ext in $COMPOSER_EXTENSIONS; do
  # ${ext%,*}    from back  of $ext → delete shortest (%) or (%%) longest match 
  # ${ext#*,* }  from front of $ext → delete shortest (#) or (##) longest match
  this_composer_command=$([ "${ext%,*}" == "$ext" ] && echo "$ext" || echo "${ext#*,* }");
  this_extension=$([ "${ext%,*}" == "$ext" ] && echo "$ext" || echo "${ext%*,*}");
  if [ -h "${web_wiki_base_dir}/extensions/${this_extension}" ]; then
    old_extension_date=`stat --format="%y" "${web_wiki_base_dir}/extensions/${this_extension}" | awk  '{ print $1 }'` # e.g 2015-01-15
    echo "There is already an extension: rename '${this_extension}' to '${this_extension}_${old_extension_date}' "
    if [ "$do_not_install_but_show_dry_run" == "" ]; then
      sudo mv "${web_wiki_base_dir}/extensions/${this_extension}" "${web_wiki_base_dir}/extensions/${this_extension}_${old_extension_date}"
    else
      echo "sudo mv \"${web_wiki_base_dir}/extensions/${this_extension}\" \"${web_wiki_base_dir}/extensions/${this_extension}_${old_extension_date}\""
    fi
  fi
  printf "\e[0mFor \e[47m$this_extension\e[0m you may need to remove in \e[47mLocalSettings.php\e[0m the entry \e[42m%s\e[0m\n" "require_once '\$IP/extensions/$this_extension/$this_extension.php'; "
  printf "Append composer command to \e[42m%s\e[0m\n" "'${web_wiki_base_dir}/$composer_command_file'"
  if [ "$do_not_install_but_show_dry_run" == "" ]; then
    sudo /bin/su -c "echo \"sudo php /usr/local/bin/composer.phar $this_composer_command\" >> \"${web_wiki_base_dir}/$composer_command_file\""
  else
    echo "sudo /bin/su -c \"echo \\\"sudo php /usr/local/bin/composer.phar $this_composer_command\\\" >> \\\"${web_wiki_base_dir}/$composer_command_file\\\"\""
  fi
 done
IFS=$' \t\n';
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##↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
# commands from manually created file in '${web_wiki_base_dir}/$composer_command_file'
cd "${web_wiki_base_dir}"
sudo php /usr/local/bin/composer.phar require mediawiki/graph-viz '*'
sudo php /usr/local/bin/composer.phar require mediawiki/image-map '@dev'
sudo php /usr/local/bin/composer.phar require mediawiki/semantic-media-wiki '~2.0'
sudo php /usr/local/bin/composer.phar require mediawiki/semantic-forms '3.1'
sudo php /usr/local/bin/composer.phar require mediawiki/semantic-result-formats '2.0'
sudo php /usr/local/bin/composer.phar require mediawiki/semantic-maps '3.1.3'
sudo php /usr/local/bin/composer.phar require phpoffice/phpexcel '1.8.0'
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#######################################

sudo chmod 664 "${web_wiki_base_dir}/LocalSettings.php" # rw-rw-r--
sudo chown root:mwadmin "${web_wiki_base_dir}/LocalSettings.php"