[Issue 19165] New: Update d-kerying.gpg if it is out-of-date

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19165

          Issue ID: 19165
           Summary: Update d-kerying.gpg if it is out-of-date
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: installer
          Assignee: nobody at puremagic.com
          Reporter: johnnymarler at gmail.com

There are a few cases where a user could have either an invalid d-keyring.gpg
or it could be out-of-date.  The install.sh script should be updated to detect
invalid keyrings and update them when this occurs.  This can be done by
checking the SHA of the d-keyring.gpg file and removing/downloaded the latest
when it doesn't match.

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