tentative fix for private-etc in NixOS - issue 4887

src/fcopy/main.c

@@ -402,6 +402,16 @@ static void duplicate_link(const char *src, const char *dest, struct stat *s) {
  gid_t gid = s->st_gid;
  mode_t mode = s->st_mode;
 
+ // NixOS problem #4887:
+ // /etc/fonts is a double symlink to a directory - copy the files instead of copying the symlink
+ // they could have some other dirs handled this way, so let's do it for all files in /etc
+ if (strncmp(src, "/etc/", 5) == 0) {
+ duplicate_dir(src, dest, s);
+ free(rsrc);
+ free(rdest);
+ return;
+ }
+
  // build destination file name
  char *name;
  // char *ptr = strrchr(rsrc, '/');