Outdated zsh:master image

[LangLangBart]

Regularly update the master tag and provide a way to see which zsh dev version I’m running.

Ref: ZSH_PATCHLEVEL discussion #2

actual

podman run --quiet --rm zshusers/zsh:master zsh -fc 'typeset -p ZSH_PATCHLEVEL'
# typeset ZSH_PATCHLEVEL=''

New zsh features like the -L flag for kill cannot be tested.

• zsh-users/zsh@5331ff11c64d

podman run --quiet --rm zshusers/zsh:master zsh -fc 'kill -L'
# zsh:kill:1: unknown signal: SIGL
# zsh:kill:1: type kill -l for a list of signals

expected

podman run --quiet --rm zshusers/zsh:master zsh -fc 'typeset -p ZSH_PATCHLEVEL'
# typeset ZSH_PATCHLEVEL=zsh-5.9.0.2-test-134-g5539bc3

podman run --quiet --rm zshusers/zsh:master zsh -fc 'kill -L'
#  1 HUP         2 INT         3 QUIT        4 ILL         5 TRAP        6 ABRT      
# ...