light_program_test/utils/
find_light_bin.rs

1use std::path::PathBuf;
2
3pub fn find_light_bin() -> Option<PathBuf> {
4    // Run the 'which light' command to find the location of 'light' binary
5    #[cfg(not(feature = "devenv"))]
6    {
7        use std::process::Command;
8        let output = Command::new("which")
9            .arg("light")
10            .output()
11            .expect("Failed to execute 'which light'");
12
13        if !output.status.success() {
14            return None;
15        }
16        // Convert the output into a string (removing any trailing newline)
17        let light_path = String::from_utf8_lossy(&output.stdout).trim().to_string();
18        // Get the parent directory of the 'light' binary
19        let mut light_bin_path = PathBuf::from(light_path);
20        light_bin_path.pop(); // Remove the 'light' binary itself
21
22        // Assuming the node_modules path starts from '/lib/node_modules/...'
23        let node_modules_bin =
24            light_bin_path.join("../lib/node_modules/@lightprotocol/zk-compression-cli/bin");
25
26        Some(node_modules_bin.canonicalize().unwrap_or(node_modules_bin))
27    }
28    #[cfg(feature = "devenv")]
29    {
30        println!("Use only in light protocol monorepo. Using 'git rev-parse --show-toplevel' to find the location of 'light' binary");
31        let light_protocol_toplevel = String::from_utf8_lossy(
32            &std::process::Command::new("git")
33                .arg("rev-parse")
34                .arg("--show-toplevel")
35                .output()
36                .expect("Failed to get top-level directory")
37                .stdout,
38        )
39        .trim()
40        .to_string();
41        let light_path = PathBuf::from(format!("{}/target/deploy/", light_protocol_toplevel));
42        Some(light_path)
43    }
44}
light_program_test/utils/find_light_bin.rs

light_program_test/utils/
find_light_bin.rs
