list/upgrade plugin's version across all projects

up_plugin

#/bin/sh

PLUGIN_NAME=$1
PLUGIN_VERSION=$2


if [ -z "$1" -o "$1" = "-h" ]
then
  echo Usage: 
  echo List usage of a plugin:
  echo   up_plugin PLUGIN_NAME
  echo
  echo Update plugin version:
  echo   up_plugin PLUGIN_NAME NEW_PLUGIN_VERSION
  exit 1
fi

if [ -z "$2" ]
then
  ACTION="LIST"
else
  ACTION="UPGRADE"
fi

if [ "$ACTION" =  "LIST" ]
then
  echo "listing $PLUGIN_NAME plugin usages."
  grep -RnH --include "BuildConfig.groovy" :$PLUGIN_NAME: *
else
  CONFIG_FILES=$(grep -RnH --include "BuildConfig.groovy" :$PLUGIN_NAME: *  | cut -d : -f 1)
  echo "upgrading $PLUGIN_NAME plugin to version $PLUGIN_VERSION."
  for file in $CONFIG_FILES
  do
    echo "processing file $file"
    cp $file $file.old
    cat $file.old | sed -E "s/:$PLUGIN_NAME:([0-9\.]*)(['\"])/:$PLUGIN_NAME:$PLUGIN_VERSION\2/g" > $file
    rm $file.old
  done
fi

running
up_plugin my-plugin 10.0
will update any BuildConfig.groovy file in any subdirectory of the current directory
and change the dependency version for 'my-plugin' to 10.0

Nice!