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bug#61748: 27.2; Eglot should use shell-file-name when launching the lan
From: |
jeberger |
Subject: |
bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file |
Date: |
Fri, 24 Feb 2023 08:39:45 +0100 (CET) |
>From https://github.com/joaotavora/eglot/issues/1175
# Steps to reproduce:
- On the remote machine:
- Install a language server in a non-standard path (e.g. `rust-analyzer`,
which installs in a subdirectory under `$HOME` and not `/usr/bin`)
- Make sure that the server is in the path for a shell other than `sh`
(e.g. set the path in `.zprofile` for `zsh`).
- On the local machine:
- Open a file remotely through TRAMP
- Set `shell-file-name` to the shell you're using on the remote (e.g.
`(setq shell-file-name "zsh")`)
- <key>M-x</key> `eglot`.
# Expected result:
Eglot should start
# Actual result:
Eglot asks `Enter program to execute (or <host>:<port>):`, then when I type
`rust-analyzer` it fails with message `[jsonrpc] Server exited with status
127`. Looking at `eglot-events-buffer`, it is clear that eglot tried to use
`sh` to start the server.
# Partial fix
The server starts correctly if I change function `eglot--cmd` to use `(or
shell-file-name "sh")` instead of plain `"sh"`, e.g.:
```lisp
(defun eglot--cmd (contact)
"Helper for `eglot--connect'."
(if (file-remote-p default-directory)
;; TODO: this seems like a bug, although it’s everywhere. For
;; some reason, for remote connections only, over a pipe, we
;; need to turn off line buffering on the tty.
;;
;; Not only does this seem like there should be a better way,
;; but it almost certainly doesn’t work on non-unix systems.
(list (or shell-file-name "sh") "-c"
(string-join (cons "stty raw > /dev/null;"
(mapcar #'shell-quote-argument contact))
" "))
contact))
```
It still fails to autodetect the server and asks for the program to execute
though.
----
In GNU Emacs 27.2 (build 1, x86_64-w64-mingw32)
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- bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file,
jeberger <=
- bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, Eli Zaretskii, 2023/02/24
- bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, João Távora, 2023/02/27
- bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, João Távora, 2023/02/27
- bug#61748: [informatique] Re: bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, Jérôme M . Berger, 2023/02/27
- bug#61748: [informatique] Re: bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, João Távora, 2023/02/27
- bug#61748: [informatique] Re: bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, jeberger, 2023/02/28
- bug#61748: [informatique] Re: bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, Michael Albinus, 2023/02/28
- bug#61748: [informatique] Re: bug#61748: 27.2; Eglot should use shell-file-name when launching the language server for a remote file, João Távora, 2023/02/28