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bug#30419: tramp-sh-process-file: effect of tramp-remote-process-environ
bug#30419: tramp-sh-process-file: effect of tramp-remote-process-environment vs non-top level value of process-environment
Sun, 11 Feb 2018 10:37:23 +0100
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)
Noam Postavsky <address@hidden> writes:
> `(tramp) Remote processes' says:
> TRAMP does not use the defaults specified in `process-environment'
> for running `process-file' or `start-file-process' on remote hosts.
> When values from `process-environment' are needed for remote processes,
> then set them as follows:
> (let ((process-environment (cons "HGPLAIN=1" process-environment)))
> (process-file ...))
> This works only for environment variables not already set in the
> I'm confused as to why the environment variables aren't controlled by
> tramp-remote-process-environment. Or is that in addition to the effect
> of tramp-remote-process-environment? Does one take precedence over the
`tramp-remote-process-environment' is still in play. The let-bound
environment variables from `process-environment' are taken additionally,
and afterwards. So they would have precedence.
See bug#18940. The major reasoning is, that other packages do not want
to preload Tramp in order to set `tramp-remote-process-environment',
even if Tramp isn't used ever.
Best regards, Michael.