feat: add our updated fork of pg_backtrace

Author: samrose

ansible/files/postgresql_config/postgresql.conf.j2

@@ -688,7 +688,7 @@ default_text_search_config = 'pg_catalog.english'
 #local_preload_libraries = ''
 #session_preload_libraries = ''
 
-shared_preload_libraries = 'pg_stat_statements, pg_stat_monitor, pgaudit, plpgsql, plpgsql_check, pg_cron, pg_net, pgsodium, timescaledb, auto_explain, pg_tle, plan_filter'	# (change requires restart)
+shared_preload_libraries = 'pg_stat_statements, pg_stat_monitor, pgaudit, plpgsql, plpgsql_check, pg_cron, pg_net, pgsodium, timescaledb, auto_explain, pg_tle, plan_filter, pg_backtrace'	# (change requires restart)
 jit_provider = 'llvmjit'		# JIT library to use
 
 # - Other Defaults -

flake.nix

@@ -102,6 +102,7 @@
           ./nix/ext/postgis.nix
           ./nix/ext/pgrouting.nix
           ./nix/ext/pgtap.nix
+          ./nix/ext/pg_backtrace.nix
           ./nix/ext/pg_cron.nix
           ./nix/ext/pgsql-http.nix
           ./nix/ext/pg_plan_filter.nix

nix/ext/pg_backtrace.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub, postgresql }:
+
+stdenv.mkDerivation rec {
+  pname = "pg_backtrace";
+  version = "1.0";
+
+  buildInputs = [ postgresql ];
+
+  src = fetchFromGitHub {
+    owner  = "pashkinelfe";
+    repo   = pname;
+    rev    = "fddeeb4ae0a8aa8993336463ef0d5fcd5b4b7cfd";
+    hash = "sha256-o3bgPckh5KMHBgSiEmhmFSibbJzeIPOUTNyeLVh6Pkk=";
+  };
+
+  makeFlags = [ "USE_PGXS=1" ];
+
+  installPhase = ''
+    mkdir -p $out/{lib,share/postgresql/extension}
+
+    cp *.so      $out/lib
+    cp *.sql     $out/share/postgresql/extension
+    cp *.control $out/share/postgresql/extension
+  '';
+
+  meta = with lib; {
+    description = "Updated fork of pg_backtrace";
+    homepage    = "https://github.com/pashkinelfe/pg_backtrace";
+    maintainers = with maintainers; [ samrose ];
+    platforms   = postgresql.meta.platforms;
+    license     = licenses.postgresql;
+  };
+}

nix/tests/prime.sql

@@ -99,3 +99,4 @@ create extension xml2;
 
 
 
+CREATE EXTENSION IF NOT EXISTS pg_backtrace;