vaguely, resholve --interpreter /nix/.../bin/bash --lore lorefile --assay assayfile < nested_execer.sh

nested_exec.diff

--- original
+++ resolved
@@ -1,7 +1,12 @@
+#!/nix/store/l25gl3siwmq6gws4lqlyd1040xignvqw-bash-4.4-p23/bin/bash
 fargs(){
    echo "nice $(type -ap file) you got there"
 }
 
-echo wert | find $(type -p file) -name file -exec file {} +  # should resolve the last
+echo wert | /nix/store/3nb6lyw2ifs1jcjw3syvmmyin4na7pml-findutils-4.7.0/bin/find $(type -p file) -name file -exec /nix/store/0wbwj0ki6zcz6c7s5crdybxh9fcnkrcl-file-5.39/bin/file {} +  # should resolve the last
 echo wert | fargs file # resolve none
-echo wert | exec find file # resolve none
+echo wert | exec /nix/store/3nb6lyw2ifs1jcjw3syvmmyin4na7pml-findutils-4.7.0/bin/find file # resolve none
+
+### resholve directives (auto-generated) ## format_version: 2
+# resholve: keep /nix/store/0wbwj0ki6zcz6c7s5crdybxh9fcnkrcl-file-5.39/bin/file
+# resholve: keep /nix/store/3nb6lyw2ifs1jcjw3syvmmyin4na7pml-findutils-4.7.0/bin/find