packc/cli/
input.rs

1use std::fs;
2use std::path::{Path, PathBuf};
3use std::process::{Command, Stdio};
4
5use anyhow::{Context, Result, bail};
6use tempfile::TempDir;
7
8pub const PACKC_ENV: &str = "GREENTIC_PACK_PLAN_PACKC";
9
10pub fn materialize_pack_path(input: &Path, verbose: bool) -> Result<(Option<TempDir>, PathBuf)> {
11    let metadata =
12        fs::metadata(input).with_context(|| format!("unable to read input {}", input.display()))?;
13    if metadata.is_file() {
14        Ok((None, input.to_path_buf()))
15    } else if metadata.is_dir() {
16        let (temp, path) = build_pack_from_source(input, verbose)?;
17        Ok((Some(temp), path))
18    } else {
19        bail!(
20            "input {} is neither a file nor a directory",
21            input.display()
22        );
23    }
24}
25
26fn build_pack_from_source(source: &Path, verbose: bool) -> Result<(TempDir, PathBuf)> {
27    let temp = TempDir::new().context("failed to create temporary directory for pack build")?;
28    let gtpack_path = temp.path().join("pack.gtpack");
29    let wasm_path = temp.path().join("pack.wasm");
30    let manifest_path = temp.path().join("manifest.cbor");
31    let sbom_path = temp.path().join("sbom.cdx.json");
32    let component_data = temp.path().join("data.rs");
33
34    let packc_bin = std::env::var(PACKC_ENV).unwrap_or_else(|_| "packc".to_string());
35    let mut cmd = Command::new(packc_bin);
36    cmd.arg("build")
37        .arg("--in")
38        .arg(source)
39        .arg("--out")
40        .arg(&wasm_path)
41        .arg("--manifest")
42        .arg(&manifest_path)
43        .arg("--sbom")
44        .arg(&sbom_path)
45        .arg("--gtpack-out")
46        .arg(&gtpack_path)
47        .arg("--component-data")
48        .arg(&component_data)
49        .arg("--log")
50        .arg(if verbose { "info" } else { "warn" });
51
52    if !verbose {
53        cmd.stdout(Stdio::null()).stderr(Stdio::null());
54    }
55
56    let status = cmd
57        .status()
58        .context("failed to spawn packc to build temporary .gtpack")?;
59    if !status.success() {
60        bail!("packc build failed with status {}", status);
61    }
62
63    Ok((temp, gtpack_path))
64}
packc/cli/input.rs

packc/cli/
input.rs
