#!/bin/bash

if [[ ! -e .git ]] ||
   [[ -z "`git rev-parse --git-dir 2>/dev/null`" ]]; then
	echo "This script can only be run from a top level git directory.  Exiting..."
	exit 1
fi

branch=`git symbolic-ref -q HEAD | sed "s|^refs/heads/||"`
if [[ -z "$branch" ]] ||
   [[ -z "`git rev-parse --symbolic-full-name --remotes=\"*/$branch\"`" ]]; then
	echo "There is not active upstream branch.  Exiting..."
	exit 1
fi

echo "Preparing $PWD for development use"
if [[ $1 == "" ]]; then
	gituser=`sed -n "/^\[remote \"origin\"\]/,/url/s/\turl = http:\/\/\([^@]*\)@.*/\1/p" <\`git rev-parse --git-dir\`/config | grep -v "\(anonymous\|system\)"`
else
	gituser=$1
fi

if [[ $gituser == "" ]]; then
	read -p "Enter your TDE GIT username []: " -e gituser
fi

if [[ $gituser == "" ]]; then
	gituser="anonymous"
fi

read -p "Enter your commit message []: " -e commitmessage

git submodule foreach "git commit -a -m \"$commitmessage\" || true"
git submodule foreach "sed -i \"s/system@scm\.trinitydesktop\.org/$gituser@scm\.trinitydesktop\.org/g\" \`git rev-parse --git-dir\`/config"
git submodule foreach "\
    [[ \"\`git rev-parse HEAD\`\" == \"\`git rev-parse origin/$branch\`\" ]] ||\
    (git pull --rebase && \
     git push origin HEAD)"
RETCODE=$?
if [[ $RETCODE != 0 ]]; then
	echo "Something went wrong"
	exit 1
fi

git commit -a -m "$commitmessage" || true
sed -i "s/system@scm\.trinitydesktop\.org/$gituser@scm\.trinitydesktop\.org/g" `git rev-parse --git-dir`/config
[[ "`git rev-parse HEAD`" == "`git rev-parse origin/$branch`" ]] ||\
    (git pull --rebase &&\
     git push origin HEAD;\
     git submodule update) || true
