On 2021-Mar-30, Mark Dilger wrote: > Once you have a node running, you can query the version using > safe_psql, but that clearly doesn't work soon enough, since we need > the information prior to running initdb.
I was thinking something like examining some file in the install dir -- say, include/server/pg_config.h, but that seems messier than just running pg_config. > One of the things I noticed while playing with this new toy (thanks, > Andrew!) is that if you pass a completely insane install_path, you > don't get any errors. In fact, you get executables and libraries from > whatever PATH="/no/such/postgres:$PATH" gets you, probably the > executables and libraries of your latest development branch. By > forcing get_new_node to call the pg_config of the path you pass in, > you'd fix that problem. I didn't do that, mind you, but you could. I > just executed pg_config, which means you'll still get the wrong > version owing to the PATH confusion. Hmm, I think it should complain if you give it a path that doesn't actually contain a valid installation. -- Álvaro Herrera Valdivia, Chile "But static content is just dynamic content that isn't moving!" http://smylers.hates-software.com/2007/08/15/fe244d0c.html