https://issues.dlang.org/show_bug.cgi?id=15643

          Issue ID: 15643
           Summary: install.sh signature verification fails on fresh
                    Ubuntu image
           Product: D
           Version: D2
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: installer
          Assignee: code@dawg.eu
          Reporter: code@klickverbot.at

I was just trying to use Martin's new install script (linked from the Git master download page) to bring up DMD on a brand-new EC2 instance running the 16.04-dev Ubuntu image. Signature verification for the 2.070 xz archive would fail, even though the script automatically downloaded the relevant keyring.

It probably has something to do with the fact that GnuPG hadn't been used on the system before (apart from apt-get, not sure if/how that uses GnuPG). After just running `gpg` on the command line and immediately quitting it again, "install.sh dmd" completed successfully.

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