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Make nix flake info fix backwards compatible

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This change handles previous nix versions by testing for the presence of
the `metadata` subcommand and falling back on the `info` subcommand if
it does not exist.
This commit is contained in:
Martin Hardselius 2021-03-22 20:58:51 +01:00
parent 93752a83ea
commit 4187519820
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GPG key ID: D25BE60D74E50F68
1 changed files with 7 additions and 1 deletions
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8
pkgs/nix-tools/darwin-rebuild.sh
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@ -126,7 +126,13 @@ if [ -n "$flake" ]; then
fi
if [ -n "$flake" ]; then
flake=$(nix "${flakeFlags[@]}" flake metadata --json "${extraBuildFlags[@]}" "${extraLockFlags[@]}" -- "$flake" | jq -r .url)
if nix flake metadata &>/dev/null; then
cmd=metadata
else
cmd=info
fi
flake=$(nix "${flakeFlags[@]}" flake "$cmd" --json "${extraBuildFlags[@]}" "${extraLockFlags[@]}" -- "$flake" | jq -r .url)
fi
if [ "$action" != build ] && [ -z "$flake" ]; then