matrix-rust-sdk

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use std::{env, process};

fn env_is_set(var_name: &str) -> bool {
    env::var_os(var_name).is_some()
}

fn ensure(cond: bool, err: &str) {
    if !cond {
        eprintln!(
            "\n\
            ┏━━━━━━━━{pad}━┓\n\
            ┃ error: {err} ┃\n\
            ┗━━━━━━━━{pad}━┛\n\
            ",
            pad = "━".repeat(err.len()),
        );
        process::exit(1);
    }
}

fn main() {
    // Prevent unnecessary rerunning of this build script
    println!("cargo:rerun-if-changed=build.rs");

    let is_wasm = env::var_os("CARGO_CFG_TARGET_ARCH").is_some_and(|arch| arch == "wasm32");
    if is_wasm {
        ensure(
            !env_is_set("CARGO_FEATURE_SSO_LOGIN"),
            "feature 'sso-login' is not available on target arch 'wasm32'",
        );
    }
}

1	use std::{env, process};
2
3	fn env_is_set(var_name: &str) -> bool {
4	env::var_os(var_name).is_some()
5	}
6
7	fn ensure(cond: bool, err: &str) {
8	if !cond {
9	eprintln!(
10	"\n\
11	┏━━━━━━━━{pad}━┓\n\
12	┃ error: {err} ┃\n\
13	┗━━━━━━━━{pad}━┛\n\
14	",
15	pad = "━".repeat(err.len()),
16	);
17	process::exit(1);
18	}
19	}
20
21	fn main() {
22	// Prevent unnecessary rerunning of this build script
23	println!("cargo:rerun-if-changed=build.rs");
24
25	let is_wasm = env::var_os("CARGO_CFG_TARGET_ARCH").is_some_and(\|arch\| arch == "wasm32");
26	if is_wasm {
27	ensure(
28	!env_is_set("CARGO_FEATURE_SSO_LOGIN"),
29	"feature 'sso-login' is not available on target arch 'wasm32'",
30	);
31	}
32	}