feat: postgres hooks

package/migrator/default.nix

@@ -1,4 +1,4 @@
-{ dash, hectic, sqlite, postgresql_17, gawk }:
+{ dash, hectic, sqlite, postgresql_17, gawk, runCommand, self }:
 let
   shell = "${dash}/bin/dash";
   bashOptions = [
@@ -6,6 +6,21 @@ let
     "nounset"
   ];
 
+  hecticVersionSqlFile = runCommand "hectic-version.sql" {
+    text = self.lib.hectic.version.sql;
+    passAsFile = [ "text" ];
+  } ''cp "$textPath" "$out"'';
+
+  hecticEnv = ''
+    HECTIC_VERSION_SQL=${hecticVersionSqlFile}
+    HECTIC_SECRET_SQL=${self.lib.hectic.secret.path}
+    HECTIC_MIGRATION_SQL=${self.lib.hectic.migration.path}
+    HECTIC_INHERITANCE_SQL=${self.lib.hectic.inheritance.path}
+    export HECTIC_VERSION_SQL HECTIC_SECRET_SQL HECTIC_MIGRATION_SQL HECTIC_INHERITANCE_SQL
+  '';
+
+  applyBundle = builtins.readFile self.lib.hectic.applyBundleScript;
+
   migrator = hectic.writeShellApplication {
     inherit shell bashOptions;
     name = "migrator";
@@ -13,6 +28,8 @@ let
 
     text = ''
       ${builtins.readFile hectic.helpers.posix-shell.log}
+      ${hecticEnv}
+      ${applyBundle}
       ${builtins.readFile ./migrator.sh}
     '';
   };