reftest: add a test showing simulated pinning does not propagate vers…

…ion information

master_changes.md

@@ -180,6 +180,7 @@ users)
   * Add a test showing the behaviour when a pin depend is unpinned [#6380 @rjbou]
   * Add a test to ensure `opam upgrade <pkg>` will not upgrade unrelated things [#6373 @kit-ty-kate]
   * Add a test in init to show ocaml system compiler selection behaviour [#6307 @kit-ty-kate @rjbou]
+  * Add a test showing simulated pinning does not propagate version information [#6256 @rjbou]
 
 ### Engine
 

tests/reftests/pin.test

@@ -1035,3 +1035,35 @@ The following actions will be performed:
 -> installed dep2.2
 -> installed dep1.dev
 Done.
+### : opam install . --deps-only not selecting the good version
+### <pkg:simcomp.1>
+opam-version: "2.0"
+flags: compiler
+### opam switch create simulate-pin simcomp
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["simcomp"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed simcomp.1
+Done.
+### <pin:sim/sim.opam>
+opam-version: "2.0"
+version: "2.0"
+depends: "deps-sim" { = "2" }
+conflicts: "simcomp"
+### <pkg:sim.1>
+opam-version: "2.0"
+depends: "deps-sim" { = "1" }
+### <pkg:deps-sim.1>
+opam-version: "2.0"
+### <pkg:deps-sim.2>
+opam-version: "2.0"
+### opam install ./sim --deps-only
+The following actions will be performed:
+=== install 1 package
+  - install deps-sim 1 [required by sim]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed deps-sim.1
+Done.