fix(swift): prevent swift from using linux platforms that are not ava…

…ilable (#3583)

schema/mise.json

@@ -682,6 +682,10 @@
             "gpg_verify": {
               "description": "Use gpg to verify swift tool signatures.",
               "type": "boolean"
+            },
+            "platform": {
+              "description": "Override the platform to use for precompiled binaries.",
+              "type": "string"
             }
           }
         },

settings.toml

@@ -889,6 +889,13 @@ type = "Bool"
 optional = true
 description = "Use gpg to verify swift tool signatures."
 
+[swift.platform]
+env = "MISE_SWIFT_PLATFORM"
+type = "String"
+optional = true
+description = "Override the platform to use for precompiled binaries."
+default_docs = '"osx" | "windows10" | "ubuntu20.04" | "ubuntu22.04" | "ubuntu24.04" | "amazonlinux2" | "ubi9" | "fedora39"'
+
 [system_config_file]
 env = "MISE_SYSTEM_CONFIG_FILE"
 type = "Path"

src/plugins/core/swift.rs

@@ -203,18 +203,25 @@ fn platform_directory() -> String {
 }
 
 fn platform() -> String {
+    if let Some(platform) = &SETTINGS.swift.platform {
+        return platform.clone();
+    }
     if cfg!(macos) {
         "osx".to_string()
     } else if cfg!(windows) {
         "windows10".to_string()
     } else if let Ok(os_release) = &*os_release::OS_RELEASE {
         if os_release.id == "amzn" {
             format!("amazonlinux{}", os_release.version_id)
+        } else if os_release.id == "ubi" {
+            "ubi9".to_string() // only 9 is available
+        } else if os_release.id == "fedora" {
+            "fedora39".to_string() // only 39 is available
         } else {
             format!("{}{}", os_release.id, os_release.version_id)
         }
     } else {
-        "ubi".to_string()
+        "ubi9".to_string()
     }
 }