Update build_marker only if specific cmake-target is not requested (#…

…3788)

Summary: Pull Request resolved: facebookincubator/velox#3788

Reviewed By: chadaustin

Differential Revision: D42637430

fbshipit-source-id: 6997a537a0f924b068551c244463082b3e105be6

build/fbcode_builder/getdeps.py

@@ -627,8 +627,10 @@ def run_project_cmd(self, args, loader, manifest):
                     )
                     builder.build(install_dirs, reconfigure=reconfigure)
 
-                    with open(built_marker, "w") as f:
-                        f.write(project_hash)
+                    # Update built_marker only if user hasn't built a specific target
+                    if m == manifest and args.cmake_target == "install":
+                        with open(built_marker, "w") as f:
+                            f.write(project_hash)
 
                     # Only populate the cache from continuous build runs
                     if args.schedule_type == "continuous":