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https://github.com/LnL7/nix-darwin.git
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checks: make nixPath check more helpful
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Emily
parent
ca0c46ace5
commit
b317dbefbd
1 changed files with 60 additions and 39 deletions
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@ -162,49 +162,70 @@ let
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'';
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nixPath = ''
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nixPath=${concatMapStringsSep ":" escapeDoubleQuote config.nix.nixPath}:$HOME/.nix-defexpr/channels
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findPathEntry() {
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NIX_PATH=${concatMapStringsSep ":" escapeDoubleQuote config.nix.nixPath} \
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nix-instantiate --find-file "$@" >/dev/null
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}
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darwinConfig=$(NIX_PATH=$nixPath nix-instantiate --find-file darwin-config) || true
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if ! test -e "$darwinConfig"; then
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echo "[1;31merror: Changed <darwin-config> but target does not exist, aborting activation[0m" >&2
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echo "Create ''${darwinConfig:-/etc/nix-darwin/configuration.nix} or set environment.darwinConfig:" >&2
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echo >&2
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echo " environment.darwinConfig = \"$(nix-instantiate --find-file darwin-config 2> /dev/null || echo '***')\";" >&2
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echo >&2
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echo "And rebuild using (only required once)" >&2
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echo "$ darwin-rebuild switch -I \"darwin-config=$(nix-instantiate --find-file darwin-config 2> /dev/null || echo '***')\"" >&2
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echo >&2
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echo >&2
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exit 2
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if ! findPathEntry darwin-config; then
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printf >&2 '\e[1;31merror: can’t find `<darwin-config>`, aborting activation\e[0m\n'
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printf >&2 'Make sure that %s exists,\n' \
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${escapeDoubleQuote (
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if config.environment.darwinConfig == null then
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"the \\`<darwin-config>\\` entry in `nix.nixPath`"
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else
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"\\`${config.environment.darwinConfig}\\`"
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)}
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printf >&2 'or else set `environment.darwinConfig` to the correct path to your\n'
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printf >&2 '`configuration.nix` file.\n'
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printf >&2 '\n'
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printf >&2 'The setting should not reference `$HOME`, as `root` now needs to be\n'
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printf >&2 'able to find your configuration. If you previously used `$HOME` in\n'
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printf >&2 'your `environment.darwinConfig` path, please replace it with the\n'
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printf >&2 'full path to your home directory.\n'
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exit 2
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fi
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darwinPath=$(NIX_PATH=$nixPath nix-instantiate --find-file darwin) || true
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if ! test -e "$darwinPath"; then
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echo "[1;31merror: Changed <darwin> but target does not exist, aborting activation[0m" >&2
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echo "Add the darwin repo as a channel or set nix.nixPath:" >&2
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echo "$ sudo nix-channel --add https://github.com/LnL7/nix-darwin/archive/master.tar.gz darwin" >&2
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echo "$ sudo nix-channel --update" >&2
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echo >&2
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echo "or set" >&2
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echo >&2
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echo " nix.nixPath = [ \"darwin=$(nix-instantiate --find-file darwin 2> /dev/null || echo '***')\" ];" >&2
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echo >&2
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exit 2
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fi
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checkChannel() {
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if findPathEntry "$1"; then
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return
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fi
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nixpkgsPath=$(NIX_PATH=$nixPath nix-instantiate --find-file nixpkgs) || true
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if ! test -e "$nixpkgsPath"; then
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echo "[1;31merror: Changed <nixpkgs> but target does not exist, aborting activation[0m" >&2
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echo "Add a nixpkgs channel or set nix.nixPath:" >&2
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echo "$ sudo nix-channel --add http://nixos.org/channels/nixpkgs-unstable nixpkgs" >&2
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echo "$ sudo nix-channel --update" >&2
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echo >&2
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echo "or set" >&2
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echo >&2
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echo " nix.nixPath = [ \"nixpkgs=$(nix-instantiate --find-file nixpkgs 2> /dev/null || echo '***')\" ];" >&2
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echo >&2
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exit 2
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fi
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printf >&2 '\e[1;31merror: can’t find `<%s>`, aborting activation\e[0m\n' \
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"$1"
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printf >&2 'The most likely reason for this is that the channel is owned\n'
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printf >&2 'by your user. This no longer works now that nix-darwin has moved over\n'
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printf >&2 'to `root`‐based activation.\n'
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printf >&2 '\n'
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printf >&2 'You can check your current channels with:\n'
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printf >&2 '\n'
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printf >&2 ' $ sudo nix-channel --list\n'
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printf >&2 ' nixpkgs https://nixos.org/channels/NIXPKGS-BRANCH\n'
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printf >&2 ' darwin https://github.com/LnL7/nix-darwin/archive/NIX-DARWIN-BRANCH.tar.gz\n'
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printf >&2 ' …\n'
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printf >&2 ' $ nix-channel --list\n'
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printf >&2 ' …\n'
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printf >&2 '\n'
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printf >&2 'You should see `darwin` and `nixpkgs` in `sudo nix-channel --list`.\n'
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printf >&2 'If `darwin` or `nixpkgs` are present in `nix-channel --list` (without\n'
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printf >&2 '`sudo`), you should delete them with `nix-channel --remove NAME`.\n'
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printf >&2 '\n'
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printf >&2 'You can then fix your channels like this:\n'
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printf >&2 '\n'
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printf >&2 ' $ sudo nix-channel --add https://nixos.org/channels/NIXPKGS-BRANCH nixpkgs\n'
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printf >&2 ' $ sudo nix-channel --add https://github.com/LnL7/nix-darwin/archive/NIX-DARWIN-BRANCH.tar.gz darwin\n'
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printf >&2 ' $ sudo nix-channel --update\n'
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printf >&2 '\n'
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printf >&2 'After that, activating your system again should work correctly. If it\n'
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printf >&2 'doesn’t, please open an issue at\n'
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printf >&2 '<https://github.com/LnL7/nix-darwin/issues/new> and include as much\n'
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printf >&2 'information as possible.\n'
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exit 2
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}
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checkChannel nixpkgs
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checkChannel darwin
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'';
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# TODO: Remove this a couple years down the line when we can assume
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