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A number of client programs have a "--progress" option that when printing to a TTY, updates the current line by printing a '\r' and overwriting it. After the last line, '\n' needs to be printed to move the cursor to the next line. pg_basebackup and pgbench got this right, but pg_rewind and pg_checksums were slightly wrong. pg_rewind printed the newline to stdout instead of stderr, and pg_checksums printed the newline even when not printing to a TTY. Fix them, and also add a 'finished' argument to pg_basebackup's progress_report() function, to keep it consistent with the other programs. Backpatch to v12. pg_rewind's newline was broken with the logging changes in commit cc8d415117 in v12, and pg_checksums was introduced in v12. Discussion: https://www.postgresql.org/message-id/82b539e5-ae33-34b0-1aee-22b3379fd3eb@iki.fi
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.