.relative_to() -> relative_to=

Reviewed By: JakobDegen

Differential Revision: D58844563

fbshipit-source-id: cf31904b441c89ae7a1de3e625d8e51a055daf5c

Author: stepancheg

examples/no_prelude/toolchains/go_toolchain.bzl

@@ -17,11 +17,11 @@ def _go_toolchain_impl(ctx):
 
     cmd = cmd_args()
     if host_info().os.is_windows:
-        compiler_src = cmd_args(download, format = "{}\\go\\bin\\go.exe")
-        cmd.add([ctx.attrs._symlink_bat, compiler_dst.as_output(), compiler_src.relative_to(compiler_dst, parent = 1)])
+        compiler_src = cmd_args(download, format = "{}\\go\\bin\\go.exe", relative_to = (compiler_dst, 1))
+        cmd.add([ctx.attrs._symlink_bat, compiler_dst.as_output(), compiler_src])
     else:
-        compiler_src = cmd_args(download, format = "{}/go/bin/go")
-        cmd.add(["ln", "-sf", compiler_src.relative_to(compiler_dst, parent = 1), compiler_dst.as_output()])
+        compiler_src = cmd_args(download, format = "{}/go/bin/go", relative_to = (compiler_dst, 1))
+        cmd.add(["ln", "-sf", compiler_src, compiler_dst.as_output()])
 
     ctx.actions.run(cmd, category = "cp_compiler")
     return [DefaultInfo(default_output = download), GoCompilerInfo(compiler_path = compiler_dst, GOROOT = "")]
@@ -60,12 +60,12 @@ def _download_toolchain(ctx: AnalysisContext):
     if host_info().os.is_windows:
         script_content.extend([
             cmd_args(output, format = "cd {}"),
-            cmd_args(["unzip", archive], delimiter = " ").relative_to(output),
+            cmd_args(["unzip", archive], delimiter = " ", relative_to = output),
         ])
     else:
         script_content.extend([
             cmd_args(output, format = "cd {}"),
-            cmd_args(["tar", compress_flag, "-x", "-f", archive], delimiter = " ").relative_to(output),
+            cmd_args(["tar", compress_flag, "-x", "-f", archive], delimiter = " ", relative_to = output),
         ])
     script, _ = ctx.actions.write(
         script_name,