feat: db-tool: update hook realization

package/db-tool/README.md

@@ -210,15 +210,13 @@ directly against the paths exposed by `self.lib.hectic.*.path`:
 
 ```nix
 services.postgresql.initialScript = pkgs.writeText "hectic-init.sql" ''
+  \i ${self.lib.hectic.version.path}
   \i ${self.lib.hectic.secret.path}
   \i ${self.lib.hectic.migration.path}
   \i ${self.lib.hectic.inheritance.path}
 '';
 ```
 
-The version file (`self.lib.hectic.version`) is templated and only exposes
-`.sql` (a string). Materialize it with `pkgs.writeText` if a path is needed.
-
 ## Exit Codes
 
 | Code | Meaning |

package/db-tool/default.nix

@@ -1,30 +1,12 @@
 { dash, hectic, postgresql_17, neovim, openssh, coreutils, gawk, lib, runCommand, self }:
 let
   shell = "${dash}/bin/dash";
-
-  hecticInheritanceSqlPath = ../../lib/hook/sql/hectic-inheritance.sql;
-
   hecticInheritance = runCommand "hectic-inheritance" { } ''
     mkdir -p "$out/share/hectic"
-    cp ${hecticInheritanceSqlPath} "$out/share/hectic/hectic-inheritance.sql"
+    cp ${self.lib.hectic.inheritance.path} "$out/share/hectic/hectic-inheritance.sql"
   '';
 
-  # Materialize the templated version SQL into the Nix store as a real file
-  # so it can be passed by path to psql -f (alongside the static siblings).
-  hecticVersionSqlFile = pkgs-writeText "hectic-version.sql" self.lib.hectic.version.sql;
-  pkgs-writeText = name: text: runCommand name { inherit text; 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;
+  applyBundle = self.lib.hectic.applyBundleScript;
 
   mkDatabase =
     { postgresql ? postgresql_17 }:
@@ -44,7 +26,6 @@ let
         ${builtins.readFile hectic.helpers.posix-shell.quote}
         ${builtins.readFile hectic.helpers.posix-shell.pager_or_cat}
         ${builtins.readFile hectic.helpers.posix-shell.with_closed_fds}
-        ${hecticEnv}
         ${applyBundle}
         ${builtins.readFile ./database.sh}
       '';