message: Re-work setup script to start with the upstream repo
diff: #!/usr/bin/env bash
  -echo "Checking GitHub username..."
  -GHUSER=$(git remote show origin | grep "Fetch URL" | sed 's|.*[:/]\([^/]*\)/adios2.git|\1|')
  -if [ -z "${GHUSER}" ]
  +GH_UPSTREAM_URL=$(git remote show origin | grep "Fetch URL" | sed 's|.*: \(.*\)|\1|')
  +BRANCH="$(git branch | sed -n 's|^\* \(.*\)|\1|p')"
  +if [ "${GH_UPSTREAM_URL}" != "https://github.com/ornladios/adios2.git" ] || \
  + [ "${BRANCH}" != "master" ]
  then
  - echo " Warning: Unable to determine GitHub username. Are you sure you"
  - echo " cloned your fork?"
  + echo " Warning: This script is intended to run off of the master branch"
  + echo " of the upstream repository. Setup might not work as"
  + echo " expected otherwise."
  +fi
  +
  +read -p "Enter your GitHub username: " GH_USERNAME
  +if [ -z "${GH_USERNAME}" ]
  +then
  + echo " Error: GitHub username cannot be empty."
  exit 1
  fi
  -echo "Using GitHub user ${GHUSER}"
  +git remote set-url origin https://github.com/${GH_USERNAME}/adios2.git
  +read -p "Setup SSH push access? [(y)/n] " GH_USE_SSH
  +GH_USE_SSH="${GH_USE_SSH,,}"
  +if [ -z "${GH_USE_SSH}" ]
  +then
  + echo " Empty entry. Using 'y' as default"
  + GH_USE_SSH="y"
  +elif [ "${GH_USE_SSH}" != "y" ] && [ "${GH_USE_SSH}" != "n" ]
  +then
  + echo " Invalid entry. Using 'y' by default"
  + GH_USE_SSH="y"
  +fi
  +if [ "${GH_USE_SSH}" == "y" ]
  +then
  + git config remote.origin.pushurl "git@github.com:${GH_USERNAME}/adios2.git"
  +fi
  +
  -echo "Adding upstream remote..."
  if git remote show upstream > /dev/null 2>&1
  then
  - echo " Warning: upstream remote already exists; skipping"
  -else
  - git remote add upstream https://github.com/ornladios/adios2.git
  + echo " Warning: upstream remote already exists; replacing..."
  + git remote rm upstream
  fi
  -git fetch --all -p
  +git remote add upstream https://github.com/ornladios/adios2.git
  echo "Re-configuring local master branch to use upstream"
  git config branch.master.remote upstream
  git config branch.master.mergeOptions "--ff-only"
  git config merge.log 100
  +git fetch --all -p
  exit 0
  