migrate

#!/bin/bash

REPO="file://"`pwd`"/svn-repo"
USER=`pwd`"/users.txt"
BASE="file://"`pwd`

# Start from scratch
rm -rf git
rm -rf tmp

# Initial import of git repository for arbit trunk
if [ ! -d "import/" ]; then
    mkdir tmp
    cd tmp
    git svn init "$REPO/trunk" --no-metadata
    git config svn.authorsfile "$USER"
    git svn fetch
    cd ../

    # Copy repository into a new one get rid of the git-svn stuff
    git clone --no-hardlinks "${BASE}/tmp/" import/
    rm -rf tmp
fi

# Extract modules into their own repositories
for MODULE in ci faq importer jslint notification pdepend phpcs phpdoc phploc phpunit source tracker wiki ; do
    MODULE_PATH="git/module-$MODULE"
    rm -rf tmp
    git clone --no-hardlinks "import/" "tmp/"

    cd "tmp/"
    git filter-branch --index-filter \
        'git ls-files -s |
             sed -e "s-\(^.*\t\"*\)tests/modules_'$MODULE'_suite.php-\\1src/modules/'$MODULE'/tests/suite.php-" \
                 -e "s-\(^.*\t\"*\)tests/modules/'$MODULE'/\(.*\)\$-\\1src/modules/'$MODULE'/tests/\\2-" \
                 -e "s-\(^.*\t\"*\)src/modules/'$MODULE'/classes/\(.*\)\$-\\1src/modules/'$MODULE'/src/\\2-" |
            GIT_INDEX_FILE=$GIT_INDEX_FILE.new git update-index --index-info &&
            mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE' HEAD
    git filter-branch -f --subdirectory-filter 'src/modules/'$MODULE HEAD
    git filter-branch -f --prune-empty HEAD
    git reset --hard
    git gc --aggressive
    git prune

    cd ../

    git clone --no-hardlinks "${BASE}/tmp/" "${MODULE_PATH}"
    rm -rf tmp/

    cd "$MODULE_PATH"
    ../../findExternals "$REPO/trunk//src/modules/$MODULE" > externals.txt
    git add externals.txt
    git commit -m "Added project externals" externals.txt
    cd ../../
done

# Remove all modules and store as framework repository
rm -rf tmp/
git clone --no-hardlinks "${BASE}/import/" tmp/
cd tmp/
git filter-branch --tree-filter 'rm -rf tests/modules_* tests/modules/ src/modules/' HEAD

git reset --hard
git gc --aggressive
git prune

../findExternals "$REPO/trunk" > externals.txt
git add externals.txt
git commit -m "Added project externals" externals.txt

cd ../
git clone --no-hardlinks "${BASE}/tmp/" "git/framework/"

# Clone framework into core repository
git clone --no-hardlinks "${BASE}/git/framework/" "git/arbit/"

# Clone project dirs
for PROJECT in installer periodic phpcs phync vcs_wrapper xml ; do
    rm -rf tmp
    mkdir tmp
    cd tmp
    git svn init "$REPO/projects/$PROJECT/trunk" --no-metadata
    git config svn.authorsfile "$USER"
    git svn fetch
    cd ../

    git clone --no-hardlinks "${BASE}/tmp/" "git/$PROJECT"
    ./findExternals "$REPO/projects/$PROJECT/trunk" > "git/$PROJECT/externals.txt"
    cd "git/$PROJECT"
    git add externals.txt
    git commit -m "Added project externals" externals.txt
    cd ../../
    rm -rf tmp/
done

# Clone website repository
rm -rf tmp
mkdir tmp
cd tmp
git svn init "$REPO/website" --no-metadata
git config svn.authorsfile "$USER"
git svn fetch
cd ../

# Copy repository into a new one get rid of the git-svn stuff
git clone --no-hardlinks tmp/ git/website/
./findExternals "$REPO/website" > git/website/externals.txt
cd "git/website"
git add externals.txt
git commit -m "Added project externals" externals.txt
cd ../../
rm -rf tmp