change the git host for your project (origin, submodules, package.json refs)

change_git_remote.sh

#!/bin/bash

# _Usage_
# - modify the NEW_GIT_HOST, OLD_GIT_HOST variables below
# - make the script executable with `chmod u+x change_git_remote.sh`
# - run it from your project dir or give the path as first parameter

# configure host changes
NEW_GIT_HOST="new.git.host.com"
OLD_GIT_HOST="old.git.host.com"

# save execution directory
START_DIR=`pwd`;

# check if path to repository was given
if [ ! "$1" == "" ]; then
  cd $1
fi

# check if folder is a git repository
if [ ! -d ".git" ]; then
  echo ""
  echo "please run inside a git repository folder or supply path as first parameter"
  echo ""
  exit 1;  
fi;

# get current git host
CURRENT_GIT_HOST=$(git remote -v | head -n 1 | cut -f2 -d@ | cut -f 1 -d:)

# check if current git host is already up to date
if [ "$CURRENT_GIT_HOST" == "$NEW_GIT_HOST" ]; then
  echo "git host is already set to "$NEW_GIT_HOST
  exit 0
fi

# check if current git host is the one that should be replaced
if [ ! "$CURRENT_GIT_HOST" == "$OLD_GIT_HOST" ]; then
  echo "old git host is not "$OLD_GIT_HOST
  exit 1
fi

echo ""
echo "changing repository url to new host: "$NEW_GIT_HOST
echo ""

# extract repo part from origin url
REPO_PART=$(git remote -v | head -n 1 | cut -f2 -d: | cut -f1 -d' ')
echo $REPO_PART

# set new remote url
NEW_REMOTE_URL="git@"$NEW_GIT_HOST":"$REPO_PART
echo "- set remote url to "$NEW_REMOTE_URL
git remote set-url origin $NEW_REMOTE_URL

# change submodule paths
if [ -f ".gitmodules" ]; then
  echo "- changing submodule urls..."
  NEW_HOST_REGEX_URL=$(echo $NEW_GIT_HOST | sed 's/\./\\./g')
  OLD_HOST_REGEX_URL=$(echo $OLD_GIT_HOST | sed 's/\./\\./g')
  sed -i.bak 's/'$OLD_HOST_REGEX_URL'/'$NEW_HOST_REGEX_URL'/g' .gitmodules
  rm -f .gitmodules.bak
  git submodule sync
fi

# change package.json refs
if [ -f "package.json" ]; then
  echo "- changing package refs..."
  NEW_HOST_REGEX_URL=$(echo $NEW_GIT_HOST | sed 's/\./\\./g')
  OLD_HOST_REGEX_URL=$(echo $OLD_GIT_HOST | sed 's/\./\\./g')
  sed -i.bak 's/'$OLD_HOST_REGEX_URL'/'$NEW_HOST_REGEX_URL'/g' package.json
  rm -f package.json.bak
fi

echo ""
echo "repository remote changed"
echo ""

# go back to execution directory
cd $START_DIR