Allows for customizing the shell options used by the entrypoint script.
E.g. set it to "+x" to disable the trace logging or set it to "-v" to also print shell input lines.
Fixes#346
Signed-off-by: Wouter Born <github@maindrain.net>
* Make Dockerfiles more generic so they can be reused for all openHAB versions
* Determine version information automatically based on openhab-distro tags/branches
* Merge helper scripts into helper-functions
* Add "build" script to simplify building multiple versions or a specific distro using BuildKit
* Add GitHub Actions workflows for PR builds
Fixes#318
Signed-off-by: Wouter Born <github@maindrain.net>