Add opam 2.3

Author: kit-ty-kate

src-opam/opam.ml

@@ -192,6 +192,7 @@ type opam_hashes = {
   opam_2_0_hash : string;
   opam_2_1_hash : string;
   opam_2_2_hash : string;
+  opam_2_3_hash : string;
   opam_master_hash : string;
 }
 
@@ -215,7 +216,11 @@ let opam_master_branch opam_master_hash =
   }
 
 let create_opam_branches opam_hashes =
-  let { opam_2_0_hash; opam_2_1_hash; opam_2_2_hash; opam_master_hash } =
+  let { opam_2_0_hash;
+        opam_2_1_hash;
+        opam_2_2_hash;
+        opam_2_3_hash;
+        opam_master_hash } =
     opam_hashes
   in
   ( opam_master_hash,
@@ -245,6 +250,14 @@ let create_opam_branches opam_hashes =
         public_name = "opam-2.2";
         aliases = [];
       };
+      {
+        branch = "2.3";
+        hash = opam_2_3_hash;
+        enable_0install_solver = true;
+        with_vendored_deps = true;
+        public_name = "opam-2.3";
+        aliases = [];
+      };
       opam_master_branch opam_master_hash;
     ] )
 

src-opam/opam.mli

@@ -46,6 +46,7 @@ type opam_hashes = {
   opam_2_0_hash : string;
   opam_2_1_hash : string;
   opam_2_2_hash : string;
+  opam_2_3_hash : string;
   opam_master_hash : string;
 }