cdd-shared

#!/usr/bin/env sh

export CDD_COMMIT_MSG
CDD_COMMIT_MSG=$(git rev-parse --show-toplevel)/CDD_COMMIT_MSG

get_editor() {
  editor=$(git config core.editor)
  if [ -z "$editor" ]; then
    editor=$GIT_EDITOR
    if [ -z "$editor" ]; then
      # shellcheck disable=2153
      editor=${EDITOR:-vi}
      if [ -z "$editor" ]; then
        editor=/usr/bin/editor
        if [ -z "$editor" ]; then
          echo "Could not find an editor."
          echo "Please specify an editor for git, e.g."
          echo "git config --global core.editor /usr/bin/editor"
          exit 1
        fi
      fi
    fi
  fi
}

check_msg() {
  if [ ! -f "$CDD_COMMIT_MSG" ]; then
    echo "$CDD_COMMIT_MSG is not a regular file."
    exit 1
  fi

  if [ ! -w "$CDD_COMMIT_MSG" ]; then
    echo "$CDD_COMMIT_MSG exists but is not writable."
    exit 1
  fi

  if [ ! -r "$CDD_COMMIT_MSG" ]; then
    echo "$CDD_COMMIT_MSG exists but is not readable."
    exit 1
  fi

}