> Oh interesting, I wonder if there is a way to not have to perform a
> chdir since taking a lock to lstat wouldn't be ideal.
I think we could rewrite is_submodule_populated to be
int is_submodule_populated_cheap_with_no_chdir(char *path)
{
return stat(path + ".git")
}
i.e. just take the presence of the .git file/dir as a hint to run
the child process?