feat: build pg_graphql and pg_jsonschema extension packages separately in CI

To be able to build extensions versions packages separately in CI, we
expose them in a nested structure.

We did this change in the past for wrappers packages. Now we do the same
for pg_graphql and pg_jsonschema extension packages.

Author: jfroche

nix/ext/pg_graphql/default.nix

@@ -132,9 +132,11 @@ let
       supportedVersions;
   versionsBuilt = if latestOnly then [ latestVersion ] else versions;
   numberOfVersionsBuilt = builtins.length versionsBuilt;
-  packages = builtins.attrValues (
-    lib.mapAttrs (name: value: build name value.hash value.rust value.pgrx) versionsToUse
-  );
+  packagesAttrSet = lib.mapAttrs' (name: value: {
+    name = lib.replaceStrings [ "." ] [ "_" ] name;
+    value = build name value.hash value.rust value.pgrx;
+  }) versionsToUse;
+  packages = builtins.attrValues packagesAttrSet;
 in
 (buildEnv {
   name = pname;
@@ -187,6 +189,10 @@ in
         latestVersion
       else
         "multi-" + lib.concatStringsSep "-" (map (v: lib.replaceStrings [ "." ] [ "-" ] v) versions);
+    # Expose individual packages for CI to build separately
+    packages = packagesAttrSet // {
+      recurseForDerivations = true;
+    };
   };
 }).overrideAttrs
   (_: {

nix/ext/pg_jsonschema/default.nix

@@ -137,9 +137,11 @@ let
       { "${latestVersion}" = supportedVersions.${latestVersion}; }
     else
       supportedVersions;
-  packages = builtins.attrValues (
-    lib.mapAttrs (name: value: build name value.hash value.rust value.pgrx) versionsToUse
-  );
+  packagesAttrSet = lib.mapAttrs' (name: value: {
+    name = lib.replaceStrings [ "." ] [ "_" ] name;
+    value = build name value.hash value.rust value.pgrx;
+  }) versionsToUse;
+  packages = builtins.attrValues packagesAttrSet;
   versionsBuilt = if latestOnly then [ latestVersion ] else versions;
   numberOfVersionsBuilt = builtins.length versionsBuilt;
 in
@@ -186,6 +188,10 @@ in
         latestVersion
       else
         "multi-" + lib.concatStringsSep "-" (map (v: lib.replaceStrings [ "." ] [ "-" ] v) versions);
+    # Expose individual packages for CI to build separately
+    packages = packagesAttrSet // {
+      recurseForDerivations = true;
+    };
   };
 }).overrideAttrs
   (_: {