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[jrubyscripting] check if gems are installed before installing them (#13151)

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* [jrubyscripting] check if gems are installed before installing them

this avoids unecessary downloads and overwrites, or even more importantly
errors if the GEM_HOME is not writable by the openhab user.

this also adds a configuration option for if you want to check for
updates every time configuration is applied (or openhab restarts). this
is useful if your OpenHAB system can't access the internet regularly.

Signed-off-by: Cody Cutrer <cody@cutrer.us>
This commit is contained in:
Cody Cutrer
2022-08-07 10:02:34 -06:00
committed by GitHub
parent 7a31cb2785
commit 70eb7dc511
4 changed files with 71 additions and 31 deletions
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bundles/org.openhab.automation.jrubyscripting/README.md
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@@ -16,6 +16,7 @@ Alternatively, JRuby configuration parameters may be set by creating a `jruby.cf
| org.openhab.automation.jrubyscripting:local_variables | transient | Defines how variables are shared between Ruby and Java. See [this](https://github.com/jruby/jruby/wiki/RedBridge#local-variable-behavior-options) for options and details |
| org.openhab.automation.jrubyscripting:gems | | A comma separated list of [Ruby Gems](https://rubygems.org/) to install. |
| org.openhab.automation.jrubyscripting:require | | A comma separated list of script names to be required by the JRuby Scripting Engine at the beginning of user scripts. |
| org.openhab.automation.jrubyscripting:check_update | true | Check RubyGems for updates to the above gems when OpenHAB starts or JRuby settings are changed. Otherwise it will try to fulfil the requirements with locally installed gems, and you can manage them yourself with an external Ruby by setting the same GEM_HOME. |
## Ruby Gems