gitmodule2svn

#!/bin/bash

#set -x

executed=${0}
this=$(basename ${0})
modulepath=$(pwd |awk -F'/' '{print $1"/"$2"/"$3"/"$4"/"$5}')
modulename=$(echo "${modulepath}" |awk -F'/' '{print $NF}')
warnings=""
infos="Trying to sync git module: '${modulename}' accross all svn repositories in workspace..\n"

function process {
    local dir=${1}

    apppath=$(echo "${dir}" |awk -F'/' '{print $1"/"$2"/"$3"/"$4"/"$5}')
    appname=$(subd "${apppath}")
    vendorpath=$(echo "${dir}" |awk -F'/' '{print $1"/"$2"/"$3"/"$4"/"$5"/"$6}')

    if [ -d "${apppath}/.git" ]; then
        if [ -d "${dir}/.git" ]; then
            set -x
            cd ${apppath}
            git submodule update
            cd -
            set +x

            infos="${infos}'${modulename}' synced to '${dir}; using submodule'\n"
        else
            infos="${infos}'${modulename}' not synced to '${dir}; git repositories can use submodule'\n"
            gitsuggest ${apppath} ${modulename} ${dir}
        fi
    elif [ "$(svn propget svn:externals ${apppath} |grep "${modulename}" |wc -l)" -eq 1 ]; then
        infos="${infos}'${modulename}' not synced to '${dir}; lose svn:external first'\n"
        propsuggest ${apppath} ${modulename} ${dir}
    elif [ "$(svn propget svn:externals ${vendorpath} |grep "${modulename}" |wc -l)" -eq 1 ]; then
        infos="${infos}'${modulename}' not synced to '${dir}; lose svn:external first'\n"
        propsuggest ${vendorpath} ${modulename} ${dir}
    else
        svn up ${apppath}

        cmd="/usr/bin/rsync -a -i --size-only --exclude '*.git*' --exclude '.git' --exclude ${this} --exclude 'gitup.dat' --exclude 'up.sh' $modulepath/ ${dir}"
        echo "${cmd}"
        y=$(${cmd})

        if [ -d "${dir}/.git" ]; then
            cmd="rm -rf ${dir}/.git"
            #echo "${cmd}"
            #z=$(${cmd})
        fi
        if [ $(echo -e "${y}" |wc -l) -lt 2 ]; then
            infos="${infos}'${modulename}' was up to date in '${dir}'\n"
        else
            echo -e "'${y}'"
            x=$(svn ls ${dir})
            if [ ${?} -eq 1 ]; then
                svn add ${dir}
            fi
            svn commit -m "AutoIncluded internal module: ${modulename}" ${apppath}
            svn up ${apppath}
            infos="${infos}'${modulename}' was synced to '${dir}'\n"
        fi
    fi
}

function subd {
    echo "${1}" |awk -F'/' '{k=NF-1; print $k"/"$NF}'
}

function gitsuggest {
    local apppath=${1}
    local appname=$(subd "${apppath}")
    local modulename=${2}
    local dir=${3}
    local inpath=$(echo "${dir}" |sed "s#${apppath}/##g")

    warnings="${warnings}Git repositories can use submodules. You probably need to: \n"
    warnings="${warnings}  cd ${apppath} \n"
    warnings="${warnings}  rmdir ${dir} \n"
    warnings="${warnings}  git rm --cached -r ${dir} \n"
    warnings="${warnings}  git submodule add git://github.com/kvz/${modulename}.git ${inpath} \n"
    warnings="${warnings}  git submodule update --init \n"
    warnings="${warnings}  cd - \n"
    warnings="${warnings}\n"
    warnings="${warnings} OR, for Cake Plugins: \n"
    warnings="${warnings}\n"
    warnings="${warnings}  cd ${apppath} \n"
    warnings="${warnings}  rmdir ${dir} \n"
    warnings="${warnings}  git rm --cached -r ${dir} \n"
    warnings="${warnings}  git submodule add git://github.com/kvz/cakephp-${modulename}-plugin.git ${inpath} \n"
    warnings="${warnings}  git submodule update --init \n"
    warnings="${warnings}  cd - \n"
    warnings="${warnings}\n"
}

function propsuggest {
    local apppath=${1}
    local appname=$(subd "${apppath}")
    local modulename=${2}
    local dir=${3}
    local remain=$(svn propget svn:externals ${apppath} |grep -v ${modulename})
    
    warnings="${warnings}'${modulename}' is still an svn:external of '${appname}'. You probably need to: \n"
    warnings="${warnings}  svn up ${apppath}  \n"
    if [ -z "${remain}" ]; then
        warnings="${warnings}  svn propdel svn:externals ${apppath} \n"
    else
        warnings="${warnings}  svn propset svn:externals \"${remain}\" ${apppath} \n"
    fi
    warnings="${warnings}  svn commit -m \"Removed reference to external module: ${modulename}\" ${apppath} \n"
    warnings="${warnings}  svn up ${apppath} \n"
    warnings="${warnings}  svn rm ${dir} --force \n"
    warnings="${warnings}  rm -rf ${dir} \n"
    warnings="${warnings}  svn cleanup ${apppath} \n"
    warnings="${warnings}  svn commit -m \"Removed external module: ${modulename}\" ${apppath} \n"
    warnings="${warnings}  svn up ${apppath} \n"
    warnings="${warnings}  mkdir ${dir} \n"
    warnings="${warnings}  ${executed} \n"
    warnings="${warnings}\n"
}

# Vendor & Ext dirs that match modulename
for dir in $(find ~/workspace -mindepth 3 -maxdepth 3 -regextype posix-extended -iregex ".*(code|ext|vendors|vendor)/${modulename}" -type d |egrep -v '(\.svn)'); do
    process "${dir}"
done
# Cake Plugins that match modulename
for dir in $(find ~/workspace -mindepth 4 -maxdepth 5 -regextype posix-extended -iregex ".*(plugins)/${modulename}" -type d |egrep -v '(\.svn)'); do
    process "${dir}"
done

echo -e "${infos}"
echo -e "${warnings}"