.lib/nix/envrc.sh

   1 [ "$(id -u)" != 0 ] || {
   2 log_status "ERROR: running as root"
   3 exit 1
   4 }
   5
   6 [ "$(nix --version)" = "nix (Nix) $(cat version)" ] || {
   7 log_status "installing Nix core tools"
   8 sh ./install
   9 }
  10 . ~/.nix-profile/etc/profile.d/nix.sh
  11
  12 gcroots="$OLDPWD"/.cache/nix/gcroots
  13 log_status "registering Nix dependencies into $(realpath -m --relative-to="$OLDPWD" $gcroots)/"
  14 rm -rf $gcroots # NOTE: remove dependencies no longer set in shell.nix
  15 mkdir -p $gcroots
  16 nix-instantiate >/dev/null shell.nix \
  17  --indirect --add-root $gcroots/shell.drv
  18 nix-store >/dev/null ${OFFLINE:+--option substituters ""} \
  19  --indirect --add-root $gcroots/shell.dep \
  20  --realise $(nix-store --query --references $gcroots/shell.drv)
  21
  22 use nix    shell.nix --pure
  23 watch_file shell.nix