relative_to: macos: sys: greadlink required

Author: scivision

+stdlib/+sys/relative_to.m

@@ -8,6 +8,8 @@
 
 if ispc()
   cmd = sprintf('pwsh -c "Resolve-Path -Path ''%s'' -RelativeBasePath ''%s'' -Relative"', other, base);
+elseif ismac()
+  cmd = sprintf('grealpath --relative-to="%s" "%s"', base, other);
 else
   cmd = sprintf('realpath --relative-to="%s" "%s"', base, other);
 end

test/is_capable.m

@@ -6,7 +6,7 @@ function is_capable(tc, f)
 
 n = func2str(f);
 
-if contains(n, "dotnet")
+if contains(n, ".dotnet.")
 
   dapi = stdlib.dotnet_api();
 
@@ -24,7 +24,7 @@ function is_capable(tc, f)
     tc.assumeGreaterThanOrEqual(dapi, 6);
   end
 
-elseif contains(n, "java")
+elseif contains(n, ".java.")
 
   japi = stdlib.java_api();
   tc.assumeGreaterThan(japi, 0, "Java not available")
@@ -49,6 +49,12 @@ function is_capable(tc, f)
      tc.assumeTrue(isunix() || ~isMATLABReleaseOlderThan('R2024a'))
    end
 
+elseif contains(n, ".sys.")
+
+  if ismac() && endsWith(n, "relative_to")
+    tc.assumeNotEmpty(stdlib.which("greadlink"), "brew install coreutils")
+  end
+
 end
 
 end