v2-0004-pg_resetwal-Use-frontend-logging-API.patch

From ff81acdd646c64efcae8b6cf083daff0494f6f82 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Tue, 19 Sep 2023 16:06:22 +0200
Subject: [PATCH v2 4/7] pg_resetwal: Use frontend logging API

This now causes error messages related to the lack of the -f option to
appear on standard error rather than standard output.
---
 src/bin/pg_resetwal/pg_resetwal.c | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/bin/pg_resetwal/pg_resetwal.c b/src/bin/pg_resetwal/pg_resetwal.c
index 12e0869251..35876e1c95 100644
--- a/src/bin/pg_resetwal/pg_resetwal.c
+++ b/src/bin/pg_resetwal/pg_resetwal.c
@@ -458,20 +458,22 @@ main(int argc, char *argv[])
 	if (minXlogSegNo > newXlogSegNo)
 		newXlogSegNo = minXlogSegNo;
 
+	if (noupdate)
+	{
+		PrintNewControlValues();
+		exit(0);
+	}
+
 	/*
 	 * If we had to guess anything, and -f was not given, just print the
-	 * guessed values and exit.  Also print if -n is given.
+	 * guessed values and exit.
 	 */
-	if ((guessed && !force) || noupdate)
+	if (guessed && !force)
 	{
 		PrintNewControlValues();
-		if (!noupdate)
-		{
-			printf(_("\nIf these values seem acceptable, use -f to force reset.\n"));
-			exit(1);
-		}
-		else
-			exit(0);
+		pg_log_error("not proceeding because control file values were guessed");
+		pg_log_error_hint("If these values seem acceptable, use -f to force reset.");
+		exit(1);
 	}
 
 	/*
@@ -479,9 +481,9 @@ main(int argc, char *argv[])
 	 */
 	if (ControlFile.state != DB_SHUTDOWNED && !force)
 	{
-		printf(_("The database server was not shut down cleanly.\n"
-				 "Resetting the write-ahead log might cause data to be lost.\n"
-				 "If you want to proceed anyway, use -f to force reset.\n"));
+		pg_log_error("database server was not shut down cleanly");
+		pg_log_error_detail("Resetting the write-ahead log might cause data to be lost.");
+		pg_log_error_hint("If you want to proceed anyway, use -f to force reset.");
 		exit(1);
 	}
 
-- 
2.42.0