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https://issues.apache.org/jira/browse/MYNEWT-543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15886006#comment-15886006
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David G. Simmons commented on MYNEWT-543:
-----------------------------------------
It may be the expected behavior by the designer, but it certainly isn't
expected by the user :-) It would be helpful to note in the documentation that
the newt target set command will *erase* any previously defined variables, not
just override them.
I might suggest also that the newt target set for syscfg values warn a user
that existing values will be erased if there are already syscfg values set.
> setting sys cfg values via newt erases old settings
> ---------------------------------------------------
>
> Key: MYNEWT-543
> URL: https://issues.apache.org/jira/browse/MYNEWT-543
> Project: Mynewt
> Issue Type: Bug
> Components: Newt
> Affects Versions: v1_0_0_beta1
> Environment: Mac OS X
> Reporter: David G. Simmons
> Assignee: Wanda Chiu
> Priority: Minor
> Fix For: v1_0_0_rel
>
>
> DSimmons-Pro:myproj dsimmons$ cat targets/air_q/syscfg.yml
> \### Package: targets/air_q
> syscfg.vals:
> OPENOCD_DEBUG: 1
> \# Enable the shell task.
> SHELL_TASK: 1
> STATS_CLI: 1
> CONSOLE_TICKS: 1
> CONSOLE_PROMPT: 1
> DSimmons-Pro:myproj dsimmons$ newt target set air_q syscfg=OPENOCD_DEBUG=0
> Target targets/air_q successfully set target.syscfg to OPENOCD_DEBUG=0
> DSimmons-Pro:myproj dsimmons$ cat targets/air_q/syscfg.yml
> \### Package: targets/air_q
> syscfg.vals:
> OPENOCD_DEBUG: 0
> DSimmons-Pro:myproj dsimmons$
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