scripts: Remove newlines from end of generated SQL

This results in spurious empty lines in the server log.  Instead, add
the newlines only when printing out the --echo output.  In some cases,
this was already done, leading to two newlines being printed.  Clean
that up as well.

From: Fabrízio de Royes Mello <fabriziomello@gmail.com>

src/bin/scripts/clusterdb.c

@@ -201,7 +201,7 @@ cluster_one_database(const char *dbname, bool verbose, const char *table,
 		appendPQExpBufferStr(&sql, " VERBOSE");
 	if (table)
 		appendPQExpBuffer(&sql, " %s", table);
-	appendPQExpBufferStr(&sql, ";\n");
+	appendPQExpBufferStr(&sql, ";");
 
 	conn = connectDatabase(dbname, host, port, username, prompt_password,
 						   progname, false);

src/bin/scripts/createdb.c

@@ -195,7 +195,7 @@ main(int argc, char *argv[])
 	if (lc_ctype)
 		appendPQExpBuffer(&sql, " LC_CTYPE '%s'", lc_ctype);
 
-	appendPQExpBufferStr(&sql, ";\n");
+	appendPQExpBufferStr(&sql, ";");
 
 	/* No point in trying to use postgres db when creating postgres db. */
 	if (maintenance_db == NULL && strcmp(dbname, "postgres") == 0)
@@ -205,7 +205,7 @@ main(int argc, char *argv[])
 									  prompt_password, progname);
 
 	if (echo)
-		printf("%s", sql.data);
+		printf("%s\n", sql.data);
 	result = PQexec(conn, sql.data);
 
 	if (PQresultStatus(result) != PGRES_COMMAND_OK)
@@ -222,10 +222,10 @@ main(int argc, char *argv[])
 	{
 		printfPQExpBuffer(&sql, "COMMENT ON DATABASE %s IS ", fmtId(dbname));
 		appendStringLiteralConn(&sql, comment, conn);
-		appendPQExpBufferStr(&sql, ";\n");
+		appendPQExpBufferStr(&sql, ";");
 
 		if (echo)
-			printf("%s", sql.data);
+			printf("%s\n", sql.data);
 		result = PQexec(conn, sql.data);
 
 		if (PQresultStatus(result) != PGRES_COMMAND_OK)

src/bin/scripts/createlang.c

@@ -207,12 +207,12 @@ main(int argc, char *argv[])
 	 * older server, and it's easy enough to continue supporting the old way.
 	 */
 	if (PQserverVersion(conn) >= 90100)
-		printfPQExpBuffer(&sql, "CREATE EXTENSION \"%s\";\n", langname);
+		printfPQExpBuffer(&sql, "CREATE EXTENSION \"%s\";", langname);
 	else
-		printfPQExpBuffer(&sql, "CREATE LANGUAGE \"%s\";\n", langname);
+		printfPQExpBuffer(&sql, "CREATE LANGUAGE \"%s\";", langname);
 
 	if (echo)
-		printf("%s", sql.data);
+		printf("%s\n", sql.data);
 	result = PQexec(conn, sql.data);
 	if (PQresultStatus(result) != PGRES_COMMAND_OK)
 	{

src/bin/scripts/createuser.c

@@ -320,10 +320,10 @@ main(int argc, char *argv[])
 				appendPQExpBuffer(&sql, "%s", fmtId(cell->val));
 		}
 	}
-	appendPQExpBufferStr(&sql, ";\n");
+	appendPQExpBufferStr(&sql, ";");
 
 	if (echo)
-		printf("%s", sql.data);
+		printf("%s\n", sql.data);
 	result = PQexec(conn, sql.data);
 
 	if (PQresultStatus(result) != PGRES_COMMAND_OK)

src/bin/scripts/dropdb.c

@@ -121,7 +121,7 @@ main(int argc, char *argv[])
 
 	initPQExpBuffer(&sql);
 
-	appendPQExpBuffer(&sql, "DROP DATABASE %s%s;\n",
+	appendPQExpBuffer(&sql, "DROP DATABASE %s%s;",
 					  (if_exists ? "IF EXISTS " : ""), fmtId(dbname));
 
 	/* Avoid trying to drop postgres db while we are connected to it. */
@@ -132,7 +132,7 @@ main(int argc, char *argv[])
 							host, port, username, prompt_password, progname);
 
 	if (echo)
-		printf("%s", sql.data);
+		printf("%s\n", sql.data);
 	result = PQexec(conn, sql.data);
 	if (PQresultStatus(result) != PGRES_COMMAND_OK)
 	{

src/bin/scripts/droplang.c

@@ -211,10 +211,10 @@ main(int argc, char *argv[])
 	 * Attempt to drop the language.  We do not use CASCADE, so that the drop
 	 * will fail if there are any functions in the language.
 	 */
-	printfPQExpBuffer(&sql, "DROP EXTENSION \"%s\";\n", langname);
+	printfPQExpBuffer(&sql, "DROP EXTENSION \"%s\";", langname);
 
 	if (echo)
-		printf("%s", sql.data);
+		printf("%s\n", sql.data);
 	result = PQexec(conn, sql.data);
 	if (PQresultStatus(result) != PGRES_COMMAND_OK)
 	{

src/bin/scripts/dropuser.c

@@ -125,14 +125,14 @@ main(int argc, char *argv[])
 	}
 
 	initPQExpBuffer(&sql);
-	appendPQExpBuffer(&sql, "DROP ROLE %s%s;\n",
+	appendPQExpBuffer(&sql, "DROP ROLE %s%s;",
 					  (if_exists ? "IF EXISTS " : ""), fmtId(dropuser));
 
 	conn = connectDatabase("postgres", host, port, username, prompt_password,
 						   progname, false);
 
 	if (echo)
-		printf("%s", sql.data);
+		printf("%s\n", sql.data);
 	result = PQexec(conn, sql.data);
 
 	if (PQresultStatus(result) != PGRES_COMMAND_OK)

src/bin/scripts/reindexdb.c

@@ -253,7 +253,7 @@ reindex_one_database(const char *name, const char *dbname, const char *type,
 		appendPQExpBuffer(&sql, " INDEX %s", name);
 	else if (strcmp(type, "DATABASE") == 0)
 		appendPQExpBuffer(&sql, " DATABASE %s", fmtId(name));
-	appendPQExpBufferStr(&sql, ";\n");
+	appendPQExpBufferStr(&sql, ";");
 
 	conn = connectDatabase(dbname, host, port, username, prompt_password,
 						   progname, false);
@@ -320,7 +320,7 @@ reindex_system_catalogs(const char *dbname, const char *host, const char *port,
 
 	initPQExpBuffer(&sql);
 
-	appendPQExpBuffer(&sql, "REINDEX SYSTEM %s;\n", dbname);
+	appendPQExpBuffer(&sql, "REINDEX SYSTEM %s;", dbname);
 
 	conn = connectDatabase(dbname, host, port, username, prompt_password,
 						   progname, false);

src/bin/scripts/vacuumdb.c

@@ -298,7 +298,7 @@ vacuum_one_database(const char *dbname, bool full, bool verbose, bool and_analyz
 	}
 	if (table)
 		appendPQExpBuffer(&sql, " %s", table);
-	appendPQExpBufferStr(&sql, ";\n");
+	appendPQExpBufferStr(&sql, ";");
 
 	if (!executeMaintenanceCommand(conn, sql.data, echo))
 	{