Repository: nvm-sh/nvm
File: install.sh (Shell)

Code before:
    *"/.bashrc" | *"/.bash_profile" | *"/.zshrc")
      return
    ;;
    *)
      return 1
    ;;
  esac
}

#
# Outputs the location to NVM depending on:
# * The availability of $NVM_SOURCE
# * The method used ("script" or "git" in the script, defaults to "git")
# NVM_SOURCE always takes precedence unless the method is "script-nvm-exec"
#
nvm_source() {
  local NVM_GITHUB_USER
  NVM_GITHUB_USER="$NVM_INSTALL_GITHUB_USER"
  if [ -z "${NVM_GITHUB_USER-}" ]; then
    NVM_GITHUB_USER="nvm-sh"
  fi
  local NVM_VERSION
  NVM_VERSION="$NVM_INSTALL_VERSION"
  if [ -z "${NVM_INSTALL_VERSION-}" ]; then
    NVM_VERSION="$(nvm_latest_version)"
  fi
  local NVM_METHOD
  NVM_METHOD="$1"
  local NVM_SOURCE_URL
  NVM_SOURCE_URL="$NVM_SOURCE"
  if [ "_$NVM_METHOD" = "_script-nvm-exec" ]; then
    NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_USER}/nvm/${NVM_VERSION}/nvm-exec"
  elif [ "_$NVM_METHOD" = "_script-nvm-bash-completion" ]; then
    NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_USER}/nvm/${NVM_VERSION}/bash_completion"
  elif [ -z "$NVM_SOURCE_URL" ]; then
    if [ "_$NVM_METHOD" = "_script" ]; then
      NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_USER}/nvm/${NVM_VERSION}/nvm.sh"
    elif [ "_$NVM_METHOD" = "_git" ] || [ -z "$NVM_METHOD" ]; then
      NVM_SOURCE_URL="https://github.com/${NVM_GITHUB_USER}/nvm.git"
    else
      echo >&2 "Unexpected value \"$NVM_METHOD\" for \$NVM_METHOD"
      return 1
    fi
  fi
  echo "$NVM_SOURCE_URL"
}

#
# Node.js version to install
#
nvm_node_version() {

Review comment (suggestion):
```suggestion
  NVM_VERSION="${NVM_INSTALL_VERSION:-$(nvm_latest_version)}"
```

Code after:
    *"/.bashrc" | *"/.bash_profile" | *"/.zshrc")
      return
    ;;
    *)
      return 1
    ;;
  esac
}

#
# Outputs the location to NVM depending on:
# * The availability of $NVM_SOURCE
# * The method used ("script" or "git" in the script, defaults to "git")
# NVM_SOURCE always takes precedence unless the method is "script-nvm-exec"
#
nvm_source() {
  local NVM_GITHUB_REPO
  NVM_GITHUB_REPO="${NVM_INSTALL_GITHUB_REPO:-nvm-sh/nvm}"
  local NVM_VERSION
  NVM_VERSION="${NVM_INSTALL_VERSION:-$(nvm_latest_version)}"
  local NVM_METHOD
  NVM_METHOD="$1"
  local NVM_SOURCE_URL
  NVM_SOURCE_URL="$NVM_SOURCE"
  if [ "_$NVM_METHOD" = "_script-nvm-exec" ]; then
    NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_REPO}/${NVM_VERSION}/nvm-exec"
  elif [ "_$NVM_METHOD" = "_script-nvm-bash-completion" ]; then
    NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_REPO}/${NVM_VERSION}/bash_completion"
  elif [ -z "$NVM_SOURCE_URL" ]; then
    if [ "_$NVM_METHOD" = "_script" ]; then
      NVM_SOURCE_URL="https://raw.githubusercontent.com/${NVM_GITHUB_REPO}/${NVM_VERSION}/nvm.sh"
    elif [ "_$NVM_METHOD" = "_git" ] || [ -z "$NVM_METHOD" ]; then
      NVM_SOURCE_URL="https://github.com/${NVM_GITHUB_REPO}.git"
    else
      echo >&2 "Unexpected value \"$NVM_METHOD\" for \$NVM_METHOD"
      return 1
    fi
  fi
  echo "$NVM_SOURCE_URL"
}

#
# Node.js version to install
#
nvm_node_version() {
  echo "$NODE_VERSION"
}

nvm_download() {
  if nvm_has "curl"; then
    curl --compressed -q "$@"