php_psr0_refactoring.sh

#!/bin/bash
#
# Pretty basic script for php psr0 refactoring
# USAGE:
# Don't touch the php file! Just use "git mv" and then run this script

FILES=""

function set_files_by_git_status() {
    FILES=`git status -s | grep ^R | awk '{print $4}'`
}

function set_files() {
    set_files_by_git_status
}

function main() {
    set_files
    local files=`egrep -o "^(((abstract|final) )?class (\w+)|interface (\w)+)" $FILES`
    IFS=$'\n'
    for file in $files; do
        local file_path=`echo $file | cut -f1 -d:`
        local pattern=`echo $file | cut -f2- -d:`

        local old_namespace=`egrep -o "namespace (\w+\\\\\\\\[^;]+);" $file_path  | cut -f2 -d' ' | cut -f1 -d';'`
        local old_name=`echo $pattern | awk '{print $NF}'`

        local new_name=`echo $file_path | awk -F/ '{print $NF}' | cut -f1 -d.`
        local new_namespace=`echo $file_path | awk -F/ '{$NF=""; print $0}' | sed 's,src ,,' | sed 's, ,\\\\\\\\,g'`
        new_namespace=`echo ${new_namespace%?}`
        new_namespace=`echo ${new_namespace%?}`

        local pattern_replace=`echo $pattern | awk '{$NF=""; print $0}'`"$new_name"
        local namespace_replace="namespace $new_namespace;"

        # Refactor the file
        echo "Refactoring the file $file_path..."
        sed -e "s,$pattern,$pattern_replace," -e "s,namespace .*;,$namespace_replace," -i $file_path

        # Refactor the project
        old_namespace=`echo $old_namespace | sed 's,\\\\,\\\\\\\\,g'`
        echo "Refactoring the project..."
        sed -r \
            -e "s,($new_namespace\\\\$new_name|$old_namespace\\\\$old_name),$new_namespace\\\\$new_name,g" \
            -e "s,(extends|implements|new) ($new_name|$old_name),\\1 $new_name,g" \
            -i `find . -type f -name "*.php" -not -wholename "$file_path"`
    done
}

main