stackql_mcp/
platform.rs

1use crate::error::{Error, Result};
2
3/// A platform the packaging repo publishes a .mcpb bundle for.
4///
5/// Keys mirror stackql/stackql-mcpb-packaging: linux-x64, linux-arm64,
6/// windows-x64, darwin-universal.
7#[derive(Clone, Copy, Debug, PartialEq, Eq)]
8pub enum Platform {
9    LinuxX64,
10    LinuxArm64,
11    WindowsX64,
12    DarwinUniversal,
13}
14
15impl Platform {
16    /// Detect the host platform, or fail if no bundle is published for it.
17    pub fn detect() -> Result<Self> {
18        Self::from_os_arch(std::env::consts::OS, std::env::consts::ARCH)
19    }
20
21    pub(crate) fn from_os_arch(os: &'static str, arch: &'static str) -> Result<Self> {
22        match (os, arch) {
23            ("linux", "x86_64") => Ok(Platform::LinuxX64),
24            ("linux", "aarch64") => Ok(Platform::LinuxArm64),
25            ("windows", "x86_64") => Ok(Platform::WindowsX64),
26            // The darwin bundle is a universal binary, so any macOS arch works.
27            ("macos", _) => Ok(Platform::DarwinUniversal),
28            _ => Err(Error::UnsupportedPlatform { os, arch }),
29        }
30    }
31
32    /// The platform key used in bundle names and cache paths.
33    pub fn key(self) -> &'static str {
34        match self {
35            Platform::LinuxX64 => "linux-x64",
36            Platform::LinuxArm64 => "linux-arm64",
37            Platform::WindowsX64 => "windows-x64",
38            Platform::DarwinUniversal => "darwin-universal",
39        }
40    }
41
42    /// Name of the server binary inside the bundle's server/ directory.
43    pub fn binary_name(self) -> &'static str {
44        match self {
45            Platform::WindowsX64 => "stackql.exe",
46            _ => "stackql",
47        }
48    }
49}
50
51#[cfg(test)]
52mod tests {
53    use super::*;
54
55    #[test]
56    fn known_platforms_map_to_keys() {
57        assert_eq!(
58            Platform::from_os_arch("linux", "x86_64").unwrap().key(),
59            "linux-x64"
60        );
61        assert_eq!(
62            Platform::from_os_arch("linux", "aarch64").unwrap().key(),
63            "linux-arm64"
64        );
65        assert_eq!(
66            Platform::from_os_arch("windows", "x86_64").unwrap().key(),
67            "windows-x64"
68        );
69        assert_eq!(
70            Platform::from_os_arch("macos", "aarch64").unwrap().key(),
71            "darwin-universal"
72        );
73        assert_eq!(
74            Platform::from_os_arch("macos", "x86_64").unwrap().key(),
75            "darwin-universal"
76        );
77    }
78
79    #[test]
80    fn unsupported_platform_is_an_error() {
81        assert!(Platform::from_os_arch("freebsd", "x86_64").is_err());
82        assert!(Platform::from_os_arch("windows", "aarch64").is_err());
83    }
84
85    #[test]
86    fn windows_binary_has_exe_suffix() {
87        assert_eq!(Platform::WindowsX64.binary_name(), "stackql.exe");
88        assert_eq!(Platform::LinuxX64.binary_name(), "stackql");
89    }
90}
stackql_mcp/platform.rs

stackql_mcp/
platform.rs
