OpenG Import Script

openg_import.sh

#!/bin/bash

echo Requesting list of branches...
branches=$(svn ls https://svn.code.sf.net/p/opengtoolkit/svn/branches | cut -d / -f 1)

echo Requesting list of tags...
tags=$(svn ls https://svn.code.sf.net/p/opengtoolkit/svn/tags | cut -d / -f 1)

echo Requesting list of projects...
projects=$(svn ls https://svn.code.sf.net/p/opengtoolkit/svn/trunk | cut -d / -f 1)

echo Requesting list of projects outside trunk...
top_projects=$(svn ls https://svn.code.sf.net/p/opengtoolkit/svn | cut -d / -f 1)

# Filter standard folders from projects outside trunk
top_projects=${top_projects//tags/}
top_projects=${top_projects//trunk/}
top_projects=${top_projects//branches/}

# Combine list of projects inside/outside trunk
projects+=$(printf -- '\n%s' "${top_projects[@]}")

echo "${projects[@]}" | while read project
do
	if [[ -z "$project" ]] # Skip empty project names
	then
		continue
	fi

	repo=$(echo "$project" | tr ' ' '_')

	if [[ -d "./openg_$repo.git" ]] # Skip finished projects
	then
		continue
	fi

	echo 
	echo ===== Working on project: $project =====
	echo 

	echo Checking if the project has branches...
	if [[ ! -z $(printf -- '%s\n' $branches | grep "$project") ]]
	then
		echo Branches found.
		branch="$project"
	else
		echo No branches.
		unset branch
	fi

	echo Checking if the project has tags...
	if [[ ! -z $(printf -- '%s\n' $tags | grep "$project") ]]
	then
		echo Tags found.
		tag="$project"
	else
		echo No tags.
		unset tag
	fi

	echo Checking if the project is inside trunk...
	if [[ ! -z $(printf -- '%s\n' $top_projects | grep "$project") ]]
	then
		echo Project is not inside trunk.
		trunk="$project"
	else
		echo Project is inside trunk.
		trunk="trunk/$project"
	fi

	echo Cloning the project...
	git svn clone https://svn.code.sf.net/p/opengtoolkit/svn \
	--quiet \
	--no-metadata \
	-A authors-transform.txt \
	--trunk="$trunk" \
	${branch:+--branch=/branches/$branch} \
	${tag:+--tags=/tags/$tag} \
	"./temp_$project"

	echo Creating a bare repository, pointing HEAD to trunk...
	git init --bare "./new_$project.git"
	cd "./new_$project.git"
	git symbolic-ref HEAD refs/heads/trunk
	cd ..

	echo Pushing repo to bare...
	cd "./temp_$project"
	git remote add bare "../new_$project.git"
	git config remote.bare.push 'refs/remotes/origin/*:refs/heads/*'
	git push bare
	git remote remove bare
	cd ..

	echo Renaming trunk to master...
	cd "./new_$project.git"
	git branch -m trunk master
	cd ..

	echo Tags are branches, fixing...
	cd "./new_$project.git"
	git for-each-ref --format='%(refname)' refs/heads/tags |
	cut -d / -f 4 |
	while read ref
	do
		git tag "$ref" "refs/heads/tags/$ref";
		git branch -D "tags/$ref";
	done
	cd ..

	echo Removing temp folder...
	rm -rf "./temp_$project"

	echo Renaming bare repository to final repository...
	mv "./new_$project.git" "./openg_$repo.git"

	echo done.
done