pass config to start-postgres-server

Author: steve-chavez

flake.nix

@@ -251,14 +251,22 @@
           psql_15 = makePostgres "15";
 
           # Start a version of the server.
-          start-server = pkgs.runCommand "start-postgres-server" {} ''
-            mkdir -p $out/bin
-            substitute ${./tools/run-server.sh.in} $out/bin/start-postgres-server \
-              --subst-var-by 'PGSQL_DEFAULT_PORT' '${pgsqlDefaultPort}' \
-              --subst-var-by 'PSQL14_BINDIR' '${basePackages.psql_14.bin}' \
-              --subst-var-by 'PSQL15_BINDIR' '${basePackages.psql_15.bin}'
-            chmod +x $out/bin/start-postgres-server
-          '';
+          start-server =
+            let
+              configFile = ./tests/postgresql.conf.in;
+              getkeyScript = ./tests/util/pgsodium_getkey.sh;
+            in
+            pkgs.runCommand "start-postgres-server" {} ''
+              mkdir -p $out/bin
+              substitute ${./tools/run-server.sh.in} $out/bin/start-postgres-server \
+                --subst-var-by 'PGSQL_DEFAULT_PORT' '${pgsqlDefaultPort}' \
+                --subst-var-by 'PSQL14_BINDIR' '${basePackages.psql_14.bin}' \
+                --subst-var-by 'PSQL15_BINDIR' '${basePackages.psql_15.bin}' \
+                --subst-var-by 'PSQL_CONF_FILE' '${configFile}' \
+                --subst-var-by 'PGSODIUM_GETKEY' '${getkeyScript}'
+
+              chmod +x $out/bin/start-postgres-server
+            '';
 
           # Start a version of the client.
           start-client = pkgs.runCommand "start-postgres-client" {} ''

tools/run-server.sh.in

@@ -19,6 +19,8 @@ fi
 
 export PATH=$BINDIR/bin:$PATH
 
+PSQL_CONF_FILE=@PSQL_CONF_FILE@
+PGSODIUM_GETKEY_SCRIPT=@PGSODIUM_GETKEY@
 PORTNO="${2:-@PGSQL_DEFAULT_PORT@}"
 DATDIR=$(mktemp -d)
 mkdir -p "$DATDIR"
@@ -29,4 +31,10 @@ echo "NOTE: you are free to re-use this data directory at will"
 echo
 
 initdb -D "$DATDIR" --locale=C
+
+echo "NOTE: patching postgresql.conf files"
+sed \
+  "s#@PGSODIUM_GETKEY_SCRIPT@#$PGSODIUM_GETKEY_SCRIPT#g" \
+  $PSQL_CONF_FILE > "$DATDIR/postgresql.conf"
+
 exec postgres -p "$PORTNO" -D "$DATDIR" -k /tmp