Add a --socketdir option to pg_upgrade

Enterprise / PostgreSQL - Tom Lane [sss.pgh.pa.us] - 1 December 2018 20:45 EST

This allows control of the directory in which the postmaster sockets are created for the temporary postmasters started by pg_upgrade. The default location remains the current working directory, which is typically fine, but if it is deeply nested then its pathname might be too long to be a socket name.

In passing, clean up some messiness in pg_upgrade's option handling, particularly the confusing and undocumented way that configuration-only datadirs were handled. And fix check_required_directory's substantially under-baked cleanup of directory pathnames.

Daniel Gustafsson, reviewed by Hironobu Suzuki, some code cleanup by me

Discussion: https://postgr.es/m/E72DD5C3-2268-48A5-A907-ED4B34BEC223@yesql.se

2d34ad8430 Add a --socketdir option to pg_upgrade.
doc/src/sgml/ref/pgupgrade.sgml | 36 ++++++++++++++++---
src/bin/pg_upgrade/option.c | 80 ++++++++++++++++++++++-------------------
src/bin/pg_upgrade/pg_upgrade.h | 5 +--
3 files changed, 77 insertions(+), 44 deletions(-)

Upstream: git.postgresql.org


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