cargo-pgx 0.3.0

Cargo subcommand for 'pgx' to make Postgres extension development easy
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// Copyright 2020 ZomboDB, LLC <zombodb@gmail.com>. All rights reserved. Use of this source code is
// governed by the MIT license that can be found in the LICENSE file.

mod command;
mod manifest;
mod metadata;

use clap::Parser;
use tracing_error::ErrorLayer;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};

const SUPPORTED_MAJOR_VERSIONS: &[u16] = &[10, 11, 12, 13, 14];

trait CommandExecute {
    fn execute(self) -> eyre::Result<()>;
}

/// `cargo` stub for `cargo-pgx` (you probably meant to run `cargo pgx`)
#[derive(clap::Parser, Debug)]
#[clap(
    name = "cargo",
    bin_name = "cargo",
    version,
    global_setting(clap::AppSettings::PropagateVersion)
)]
struct CargoCommand {
    #[clap(subcommand)]
    subcommand: CargoSubcommands,
    /// Enable info logs, -vv for debug, -vvv for trace
    #[clap(short = 'v', long, parse(from_occurrences), global = true)]
    verbose: usize,
}

impl CommandExecute for CargoCommand {
    fn execute(self) -> eyre::Result<()> {
        self.subcommand.execute()
    }
}

#[derive(clap::Subcommand, Debug)]
enum CargoSubcommands {
    Pgx(command::pgx::Pgx),
}

impl CommandExecute for CargoSubcommands {
    fn execute(self) -> eyre::Result<()> {
        use CargoSubcommands::*;
        match self {
            Pgx(c) => c.execute(),
        }
    }
}

fn main() -> color_eyre::Result<()> {
    color_eyre::install()?;

    let cargo_cli = CargoCommand::parse();

    // Initialize tracing with tracing-error, and eyre
    let fmt_layer = tracing_subscriber::fmt::Layer::new().pretty();

    let filter_layer = match EnvFilter::try_from_default_env() {
        Ok(filter_layer) => filter_layer,
        Err(_) => {
            let log_level = match cargo_cli.verbose {
                0 => "info",
                1 => "debug",
                _ => "trace",
            };
            let filter_layer = EnvFilter::new("warn");
            let filter_layer =
                filter_layer.add_directive(format!("cargo_pgx={}", log_level).parse()?);
            let filter_layer = filter_layer.add_directive(format!("pgx={}", log_level).parse()?);
            let filter_layer =
                filter_layer.add_directive(format!("pgx_macros={}", log_level).parse()?);
            let filter_layer =
                filter_layer.add_directive(format!("pgx_tests={}", log_level).parse()?);
            let filter_layer =
                filter_layer.add_directive(format!("pgx_pg_sys={}", log_level).parse()?);
            let filter_layer =
                filter_layer.add_directive(format!("pgx_utils={}", log_level).parse()?);
            filter_layer
        }
    };

    tracing_subscriber::registry()
        .with(filter_layer)
        .with(fmt_layer)
        .with(ErrorLayer::default())
        .init();

    cargo_cli.execute()
}