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gnu: emacs: Add coreutils and gzip to PATH.

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Some parts of Emacs (dired, compression handling, Tramp) shell out to commands
and patching them all is a daunting task.  Also, w.r.t. Tramp, we need those
commands to be portable across multiple machines, which need not only be Guix
machines (and even if they are, store items can be different).  This patch
ensures a ‘sane’ setup FSVO ‘sane’.

* gnu/packages/emacs.scm (emacs)[wrap-load-path]: Rename to...
[wrap-emacs-paths] ... this.  Also patch PATH.
This commit is contained in:
Leo Prikler 2021-04-17 19:06:18 +02:00
parent 307a2d2e2a
commit d13b46fae4
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GPG key ID: 442A84B8C70E2F87
1 changed files with 16 additions and 3 deletions
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19
gnu/packages/emacs.scm
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@ -201,8 +201,8 @@ (define* (emacs-byte-compile-directory dir)
(car (find-files "bin" "^emacs-([0-9]+\\.)+[0-9]+$"))
"bin/emacs")
#t)))
(add-after 'strip-double-wrap 'wrap-load-path
(lambda* (#:key outputs #:allow-other-keys)
(add-after 'strip-double-wrap 'wrap-emacs-paths
(lambda* (#:key inputs outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(lisp-dirs (find-files (string-append out "/share/emacs")
"^lisp$"
@ -210,6 +210,13 @@ (define* (emacs-byte-compile-directory dir)
(for-each
(lambda (prog)
(wrap-program prog
;; emacs-next and variants rely on uname being in PATH for
;; Tramp. Tramp paths can't be hardcoded, because they
;; need to be portable.
`("PATH" suffix
,(map (lambda (in) (string-append in "/bin"))
(list (assoc-ref inputs "gzip")
(assoc-ref inputs "coreutils"))))
`("EMACSLOADPATH" suffix ,lisp-dirs)))
(find-files (string-append out "/bin")
;; Matches versioned and unversioned emacs binaries.
@ -231,6 +238,10 @@ (define* (emacs-byte-compile-directory dir)
`(("gnutls" ,gnutls)
("ncurses" ,ncurses)
;; Required for "core" functionality, such as dired and compression.
("coreutils" ,coreutils)
("gzip" ,gzip)
;; Avoid Emacs's limited movemail substitute that retrieves POP3 email
;; only via insecure channels. This is not needed for (modern) IMAP.
("mailutils" ,mailutils)
@ -361,7 +372,9 @@ (define-public emacs-minimal
(delete 'strip-double-wrap)))))
(inputs
`(("guix-emacs.el" ,(search-auxiliary-file "emacs/guix-emacs.el"))
("ncurses" ,ncurses)))
("ncurses" ,ncurses)
("coreutils" ,coreutils)
("gzip" ,gzip)))
(native-inputs
`(("pkg-config" ,pkg-config)))))