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Make the directory where the pg_upgrade binary resides the default for new bindir, as running the pg_upgrade binary from where the new cluster is installed is a very common scenario. Setting this as the defauly bindir for the new cluster will remove the need to provide it explicitly via -B in many cases. To support directories being missing from option parsing, extend the directory check with a missingOk mode where the path must be filled at a later point before being used. Also move the exec_path check to earlier in setup to make sure we know the new cluster bindir when we scan for required executables. This removes the exec_path from the OSInfo struct as it is not used anywhere. Author: Daniel Gustafsson <daniel@yesql.se> Reviewed-by: Peter Eisentraut <peter.eisentraut@2ndquadrant.com> Discussion: https://www.postgresql.org/message-id/flat/9328.1552952117@sss.pgh.pa.us
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/.