[Bug 3438] New: env var that is SetEnv'ed multiple times in the same SetEnv directive, is sent/printed several times

[bugzilla-daemon at mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=3438

            Bug ID: 3438
           Summary: env var that is SetEnv'ed multiple times in the same
                    SetEnv directive, is sent/printed several times
           Product: Portable OpenSSH
           Version: v9.0p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Miscellaneous
          Assignee: unassigned-bugs at mindrot.org
          Reporter: calestyo at scientia.org

Hey.

Not sure whether this is a bug, but I guess so.

When doing e.g.
  SetEnv LC_ALL=C
  SetEnv LC_ALL=C.UTF-8

only the former will show up in e.g. -G as:
  setenv LC_ALL=C
respectively -v as:
  debug1: channel 0: setting env LC_ALL = "C"

which is, I guess, as it should be.

However, when using:
  SetEnv LC_ALL=C LC_ALL=C.UTF-8

-G will give:
setenv LC_ALL=C
setenv LC_ALL=C.UTF-8

and -v:
  debug1: channel 0: setting env LC_ALL = "C"
  debug1: channel 0: setting env LC_ALL = "C.UTF-8"

and in the remote shell, the env var is actually set to the latter
("C.UTF-8").
If actually desired, than at least this should be documented in SetEnv.

And -G should probably only print the one line that actually matters.


Thanks,
Chris.

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