Merge PR #12878: Update sigma instead of erasing it in `update_global_env`

Reviewed-by: SkySkimmer

2 files changed, 7 insertions, 0 deletions

diff --git a/proofs/proof.ml b/proofs/proof.ml
index a183fa7797..38fcdd6e5f 100644
--- a/proofs/proof.ml
+++ b/proofs/proof.ml
@@ -356,6 +356,10 @@ let compact p =
   let entry, proofview = Proofview.compact p.entry p.proofview in
   { p with proofview; entry }
 
+let update_sigma_env p env =
+  let proofview = Proofview.Unsafe.update_sigma_env p.proofview env in
+  { p with proofview }
+
 (*** Function manipulation proof extra informations ***)
 
 (*** Tactics ***)
diff --git a/proofs/proof.mli b/proofs/proof.mli
index 0e5bdaf07d..2d4966676e 100644
--- a/proofs/proof.mli
+++ b/proofs/proof.mli
@@ -78,6 +78,9 @@ val partial_proof : t -> EConstr.constr list
 
 val compact : t -> t
 
+(** [update_sigma_env] lifts [Evd.update_sigma_env] to the proof *)
+val update_sigma_env : t -> Environ.env -> t
+
 (* Returns the proofs (with their type) of the initial goals.
     Raises [UnfinishedProof] is some goals remain to be considered.
     Raises [HasShelvedGoals] if some goals are left on the shelf.