[ESS-bugs] ess-mode 18.10 [<unknown>]; ESS doesn't access CRAN mirror when ido is disabled

[David Palma]

With ess-use-ido set to nil, ess tries to
access "nil" instead of the mirror selected

"Installing package into ‘/home/hnasiet/R/x86_64-pc-linux-gnu-library/3.5’
(as ‘lib’ is unspecified)
Warning: unable to access index for repository nil/src/contrib:
cannot open URL 'nil/src/contrib/PACKAGES'"
I'm using a MELPA installation and only started having this issue after
having updated today.
The problem doesn't exist when ess-use-ido is set to t.
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(R): ess-dialect=R, buf=Ra.R, start-arg=nil
current-prefix-arg=nil
(inf-ess 1): lang=S, dialect=R, tmp-dialect=R, buf=Ra.R
(inf-ess 1.1): procname=R temp-dialect=R, buf-name=*R*
(inf-ess 2.0) Method #3 start=/home/hnasiet/ buf=*R*
(inf-ess 2.1): ess-language=S, ess-dialect=R buf=*R*
(i-ess 1): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(i-ess end): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(inf-ess 3.0): prog=R, start-args=--no-readline , echoes=t
Making Process...Buf *R*, :Proc R, :Prog R
:Args= --no-readline
Start File=nil
(inferior-ess: waiting for process to start (before hook)
(inferior-ess 3): waiting for process after hookload-ESSR cmd:
local({
source('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R/.load.R',
local=TRUE) #define load.ESSR
load.ESSR('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R')
})

(R): inferior-ess-language-start=options(STERM='iESS',
str.dendrogram.last="'", editor='emacsclient', show.error.locations=TRUE)
... request-a-process: buf=Ra.R
ess-request-a-process: {beginning}
... request-a-process:
major mode ess-mode; current buff: Ra.R; ess-language: S, ess-dialect: R
..start-process-specific: lang:dialect= S:R, current-buf=Ra.R

(R): ess-dialect=R, buf=Ra.R, start-arg=nil
current-prefix-arg=nil
(inf-ess 1): lang=S, dialect=R, tmp-dialect=R, buf=Ra.R
(inf-ess 1.1): procname=R temp-dialect=R, buf-name=*R*
(inf-ess 2.0) Method #3 start=/home/hnasiet/ buf=*R*
(inf-ess 2.1): ess-language=S, ess-dialect=R buf=*R*
(i-ess 1): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(i-ess end): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(inf-ess 3.0): prog=R, start-args=--no-readline , echoes=t
Making Process...Buf *R*, :Proc R, :Prog R
:Args= --no-readline
Start File=nil
(inferior-ess: waiting for process to start (before hook)
(inferior-ess 3): waiting for process after hookload-ESSR cmd:
local({
source('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R/.load.R',
local=TRUE) #define load.ESSR
load.ESSR('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R')
})

(R): inferior-ess-language-start=options(STERM='iESS',
str.dendrogram.last="'", editor='emacsclient', show.error.locations=TRUE)
... request-a-process: buf=Ra.R
ess-request-a-process: {beginning}
... request-a-process:
major mode ess-mode; current buff: Ra.R; ess-language: S, ess-dialect: R
..start-process-specific: lang:dialect= S:R, current-buf=Ra.R

(R): ess-dialect=R, buf=Ra.R, start-arg=nil
current-prefix-arg=nil
(inf-ess 1): lang=S, dialect=R, tmp-dialect=R, buf=Ra.R
(inf-ess 1.1): procname=R temp-dialect=R, buf-name=*R*
(inf-ess 2.0) Method #3 start=/home/hnasiet/ buf=*R*
(inf-ess 2.1): ess-language=S, ess-dialect=R buf=*R*
(i-ess 1): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(i-ess end): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(inf-ess 3.0): prog=R, start-args=--no-readline , echoes=t
Making Process...Buf *R*, :Proc R, :Prog R
:Args= --no-readline
Start File=nil
(inferior-ess: waiting for process to start (before hook)
(inferior-ess 3): waiting for process after hookload-ESSR cmd:
local({
source('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R/.load.R',
local=TRUE) #define load.ESSR
load.ESSR('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R')
})

(R): inferior-ess-language-start=options(STERM='iESS',
str.dendrogram.last="'", editor='emacsclient', show.error.locations=TRUE)
... request-a-process: buf=Ra.R
ess-request-a-process: {beginning}
... request-a-process:
major mode ess-mode; current buff: Ra.R; ess-language: S, ess-dialect: R
..start-process-specific: lang:dialect= S:R, current-buf=Ra.R

(R): ess-dialect=R, buf=Ra.R, start-arg=nil
current-prefix-arg=nil
(inf-ess 1): lang=S, dialect=R, tmp-dialect=R, buf=Ra.R
(inf-ess 1.1): procname=R temp-dialect=R, buf-name=*R*
(inf-ess 2.0) Method #3 start=/home/hnasiet/ buf=*R*
(inf-ess 2.1): ess-language=S, ess-dialect=R buf=*R*
(i-ess 1): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(i-ess end): buf=*R*, lang=S, comint..echo=t,
comint..sender=inferior-ess-input-sender,
(inf-ess 3.0): prog=R, start-args=--no-readline , echoes=t
Making Process...Buf *R*, :Proc R, :Prog R
:Args= --no-readline
Start File=nil
(inferior-ess: waiting for process to start (before hook)
(inferior-ess 3): waiting for process after hookload-ESSR cmd:
local({
source('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R/.load.R',
local=TRUE) #define load.ESSR
load.ESSR('/home/hnasiet/.emacs.d/elpa/ess-20181017.1431/etc/ESSR/R')
})

(R): inferior-ess-language-start=options(STERM='iESS',
str.dendrogram.last="'", editor='emacsclient', show.error.locations=TRUE)
... request-a-process: buf=Ra.R


Emacs : GNU Emacs 26.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
of 2018-07-05
Package: ess-mode 18.10 [<unknown>]

current state:
==============
(setq
ess-language "S"
ess-dialect "R"
ess-ask-for-ess-directory t
ess-ask-about-transfile nil
default-directory "/home/hnasiet/"
ess-keep-dump-files t
ess-source-directory "/tmp/"
ess-use-ido nil
ess-use-eldoc t
ess-use-tracebug t
ess-use-auto-complete t
ess-use-company 'script-only
ess-eval-visibly-p t
ess-can-eval-in-background t
ess-local-process-name "R"
)