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04e3492c5c
I blew the dust off a Bourne shell (file date 1996, yea verily) and tried to run test.sh with it. It mostly worked, but I found that the temp-directory creation code introduced by commit be76a6d39 was not compatible, for a couple of reasons: this shell thinks "set -e" should force an exit if a command within backticks fails, and it also thinks code within braces should be executed by a sub-shell, meaning that variable settings don't propagate back up to the parent shell. In view of Victor Wagner's report that Solaris is still using pre-POSIX shells, seems like we oughta make this case work. It's not like the code is any less idiomatic this way; the prior coding technique appeared nowhere else. (There is a remaining bash-ism here, which is that $RANDOM doesn't do what the code hopes in non-bash shells. But the use of $$ elsewhere in that path should be enough to ensure uniqueness and some amount of randomness, so I think it's okay as-is.) Back-patch to all supported branches, as the previous commit was. Discussion: https://postgr.es/m/20180720153820.69e9ae6c@fafnir.local.vm
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/.