zshenv, zshrc: add fallback to uname for HOSTNAME
authorMoviuro <moviuro+git@gmail.com>
Thu, 28 May 2020 09:25:20 +0000 (11:25 +0200)
committerMoviuro <moviuro+git@gmail.com>
Thu, 28 May 2020 09:25:20 +0000 (11:25 +0200)
commit41249966740c33a591b9dcc14edc37ddaa595bb6
tree7bcb4ace1d97bae53628ddce25c9cf6ba59869df
parent6aef288c003af51e9d729610536d43ab1540480e
zshenv, zshrc: add fallback to uname for HOSTNAME

uname -n is POSIX, and should work when neither hostname(1) nor hostnamectl(1)
exist.
Enhances #97
etc/zsh/zshenv
etc/zsh/zshrc