If the platform's arch is "aarch64", this should also match "arm64"

This fixes an issue with installing omegasort on an M1 Mac.

Changes.md

@@ -1,3 +1,9 @@
+## 0.0.16 - 2022-10-04
+
+- Fixed matching the "aarch64" architecture for macOS. At least with Go, these
+  binaries end up labeled as "arm64" instead of "aarch64", and `ubi` should
+  treat that as a match. Reported by Ajay Vijayakumar.
+
 ## 0.0.15 - 2022-09-05
 
 - Added a `--self-upgrade` flag, which will use `ubi` to upgrade `ubi`. Note

src/main.rs

@@ -715,7 +715,7 @@ fn arch_matcher() -> Result<Regex> {
     debug!("current CPU architecture = {}", TARGET_ARCH.as_str());
 
     #[cfg(target_arch = "aarch64")]
-    return Regex::new(r"(?i:(?:\b|_)aarch64(?:\b|_))").map_err(anyhow::Error::new);
+    return Regex::new(r"(?i:(?:\b|_)aarch64|arm64(?:\b|_))").map_err(anyhow::Error::new);
 
     #[cfg(target_arch = "arm")]
     return Regex::new(r"(?i:(?:\b|_)arm(?:v[0-9]+|64)?(?:\b|_))").map_err(anyhow::Error::new);

tests/ubi.rs

@@ -231,6 +231,15 @@ fn tests() -> Result<()> {
         }
     }
 
+    // The omegasort release for macOS on an M1 is named
+    // "omegasort_0.0.5_Darwin_arm64.tar.gz", but macOS reports its
+    // architecture as "aarch64". This was fixed in ubi 0.0.16.
+    run_test(
+        ubi.as_ref(),
+        &["--project", "https://github.com/houseabsolute/omegasort"],
+        make_exe_pathbuf(&["bin", "omegasort"]),
+    )?;
+
     Ok(())
 }