mecha10_cli/services/
build_platforms.rs

1//! Human-readable names for the Rust target triples `mecha10 build` compiles for.
2//!
3//! Single source of truth for the `mecha10 init` and `mecha10 build <target>` platform prompts.
4
5#[derive(Debug, Clone, Copy, PartialEq, Eq)]
6pub struct BuildPlatform {
7    pub label: &'static str,
8    pub triple: &'static str,
9}
10
11pub const BUILD_PLATFORMS: &[BuildPlatform] = &[
12    BuildPlatform {
13        label: "Raspberry Pi 4/5 (64-bit Linux)",
14        triple: "aarch64-unknown-linux-gnu",
15    },
16    BuildPlatform {
17        label: "Generic 64-bit Linux (x86_64)",
18        triple: "x86_64-unknown-linux-gnu",
19    },
20    BuildPlatform {
21        label: "Apple Silicon Mac (dev/simulation only)",
22        triple: "aarch64-apple-darwin",
23    },
24    BuildPlatform {
25        label: "Intel Mac (dev/simulation only)",
26        triple: "x86_64-apple-darwin",
27    },
28];
29
30/// Look up a platform's human-readable label by its triple, for displaying an
31/// already-configured `targets.<key>.platforms` entry. Falls back to the raw
32/// triple for anything outside `BUILD_PLATFORMS` (e.g. a hand-edited mecha10.json).
33pub fn label_for_triple(triple: &str) -> &str {
34    BUILD_PLATFORMS
35        .iter()
36        .find(|p| p.triple == triple)
37        .map_or(triple, |p| p.label)
38}
39
40#[cfg(test)]
41mod tests {
42    use super::*;
43
44    #[test]
45    fn label_for_triple_finds_known_triples() {
46        assert_eq!(
47            label_for_triple("aarch64-unknown-linux-gnu"),
48            "Raspberry Pi 4/5 (64-bit Linux)"
49        );
50        assert_eq!(
51            label_for_triple("x86_64-unknown-linux-gnu"),
52            "Generic 64-bit Linux (x86_64)"
53        );
54    }
55
56    #[test]
57    fn label_for_triple_falls_back_to_the_raw_triple_when_unknown() {
58        assert_eq!(
59            label_for_triple("riscv64-unknown-linux-gnu"),
60            "riscv64-unknown-linux-gnu"
61        );
62    }
63
64    #[test]
65    fn every_platform_has_a_unique_triple() {
66        let mut triples: Vec<&str> = BUILD_PLATFORMS.iter().map(|p| p.triple).collect();
67        let len_before = triples.len();
68        triples.sort_unstable();
69        triples.dedup();
70        assert_eq!(triples.len(), len_before, "duplicate triple in BUILD_PLATFORMS");
71    }
72}
mecha10_cli/services/build_platforms.rs

mecha10_cli/services/
build_platforms.rs
