fix: gix-config-value support compile target wasm32-wasi and wasm32-unknown-unknown

Author: ChanTsune

gix-config-value/src/path.rs

@@ -52,8 +52,13 @@ pub mod interpolate {
     /// or any other error occurred.
     /// It can be used as `home_for_user` parameter in [`Path::interpolate()`][crate::Path::interpolate()].
     #[cfg_attr(windows, allow(unused_variables))]
+    #[cfg_attr(all(target_family = "wasm", not(target_os = "emscripten")), allow(unused_variables))]
     pub fn home_for_user(name: &str) -> Option<PathBuf> {
-        #[cfg(not(any(target_os = "android", target_os = "windows")))]
+        #[cfg(not(any(
+            target_os = "android",
+            target_os = "windows",
+            all(target_family = "wasm", not(target_os = "emscripten"))
+        )))]
         {
             let cname = std::ffi::CString::new(name).ok()?;
             // SAFETY: calling this in a threaded program that modifies the pw database is not actually safe.
@@ -71,7 +76,11 @@ pub mod interpolate {
                 Some(std::ffi::OsStr::from_bytes(cstr.to_bytes()).into())
             }
         }
-        #[cfg(any(target_os = "android", target_os = "windows"))]
+        #[cfg(any(
+            target_os = "android",
+            target_os = "windows",
+            all(target_family = "wasm", not(target_os = "emscripten"))
+        ))]
         {
             None
         }