Script that automatically updates plugins of WordPress hosted on Openshift. Inspired by http://www.websightdesigns.com/posts/view/wordpress-update-script

update-plugins.sh

#!/bin/sh

if [ -d "./.openshift/plugins/" ]; then
  webroot=$(pwd)

  # folder plugins
  for i in $(find $webroot/.openshift/plugins/ -maxdepth 1 -mindepth 1 -type d)
  do
    f=$(basename $i)

    cd "$webroot/.openshift/plugins/"

    if [ -f "./$f/readme.txt" ]; then
      currpluginv=$(awk 'FNR>=1&&FNR<=10' ./$f/readme.txt | grep -E Stable.+\: | awk '{print $3}')
    elif [ -f "./$f/README.txt" ]; then
      currpluginv=$(awk 'FNR>=1&&FNR<=10' ./$f/README.txt | grep -E Stable.+\: | awk '{print $3}')
    fi

    echo -e "Current \e[48;5;21m$f\e(B\e[m version: \e[48;5;21m$currpluginv\e(B\e[m"

    # Get the plugin readme file and use that to determine the latest stable release.
    if curl --output /dev/null --silent --head --fail "http://plugins.svn.wordpress.org/$f/trunk/readme.txt"; then
      curl --silent -o $f-readme.txt http://plugins.svn.wordpress.org/$f/trunk/readme.txt
      pluginv=$(awk 'FNR>=1&&FNR<=10' $f-readme.txt | grep -E Stable.+\: | awk '{print $3}')
      echo -e "Latest \e[48;5;21m$f\e(B\e[m version: \e[48;5;52m$currpluginv\e(B\e[m"
    else
      pluginv='.'
    fi

    # Do not update plugins for which we could not determine version.
    if [[ "$currpluginv" = "$pluginv" ]] || [[ "$pluginv" == "trunk" ]] || [[ "$pluginv" == ".trunk" ]] || [[ "$pluginv" == "." ]]; then
      updateplugin=false
      echo -e "Skipping \e[48;5;21m$f\e(B\e[m plugin\n"
    elif [[ ! "$currpluginv" = "$pluginv" ]]; then
      updateplugin=true
    else
      updateplugin=false
    fi

    if [[ "$updateplugin" == "true" ]]; then
      echo "Trying to download the $f plugin..."

      # Check if plugin zip is available for download.
      if curl --output /dev/null --silent --head --fail "http://downloads.wordpress.org/plugin/$f.$pluginv.zip"; then
        wget -q "http://downloads.wordpress.org/plugin/$fi.$pluginv.zip"
        rm -rf $f

        unzip -o "$f.$pluginv.zip"

        if [ -f "$f.$pluginv.zip" ]; then
          rm -f "$f.$pluginv.zip"
        fi

        # Commit the changes
        git add -A $f
        git commit -m "Update $f to v$pluginv"
      else
        echo -e "\e[48;5;21mFailed to download the $f.$pluginv.zip\e(B\e[m zip. Update it manually\e(B\e[m"
      fi
    fi

    if [ -f "$f-readme.txt" ]; then
      rm $f-readme.txt
    fi

  done
fi

Update of 03.01.2017

• Script won't update a plugin if it's version is trunk or could not be determined.
• Script will download only the versioned zip of plugins (i.e woocommerce.2.6.11.zip)in order not to install a beta version under the not versioned zip.