bug#51869: [PATCH] Add emacs-vala-mode

[Vivien Kraus via Bug reports for GNU Guix <bug-guix@gnu.org>]

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Liliana Marie Prikler <liliana.prikler@gmail.com> writes:
> I'd use our emacs sexp substitution tools to erase these defconsts and
> defcustoms rather than a patch.  Other than that LGTM.

I didn’t know about this great macro! Here is an updated version.

Vivien


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From 759b0437e5016e7c558a5a99e2831f419a3b0802 Mon Sep 17 00:00:00 2001
From: Vivien Kraus <vivien@planete-kraus.eu>
Date: Mon, 15 Nov 2021 13:57:18 +0000
Subject: [PATCH] gnu: Add emacs-vala-mode.

* gnu/packages/emacs-xyz (emacs-vala-mode): New variable.
---
 gnu/packages/emacs-xyz.scm | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 113471ae14..dadfa67ccf 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -29993,3 +29993,40 @@ (define-public emacs-global-tags
 wraps GNU Global calls and integration to editor using this API with
 project.el and xref.el.")
       (license license:gpl3+))))
+
+(define-public emacs-vala-mode
+  ;; Upstream has no tagged release.
+  (let ((commit "d696a8177e94c81ea557ad364a3b3dcc3abbc50f")
+        (revision "0"))
+    (package
+      (name "emacs-vala-mode")
+      (version (git-version "0.1" revision commit))
+      (home-page "https://github.com/rrthomas/vala-mode")
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url home-page)
+               (commit commit)))
+         (sha256
+          (base32 "0g5pdq757z9d8rk489n5ilhqipdc4i4sfkjwwrxyvgjlapjc04c0"))))
+      (build-system emacs-build-system)
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'disable-multiline-support
+             (lambda* (#:key inputs #:allow-other-keys)
+               (make-file-writable "vala-mode.el")
+               (emacs-substitute-sexps "vala-mode.el"
+                 (";; Support multiline strings" 'disabled.)
+                 ("(defcustom vala-multiline-strings nil"
+                  "This variable is ignored.")))))))
+      (synopsis "Vala mode for Emacs")
+      (description
+       "This package provides a major mode for editing .vala and .vapi files
+in Emacs.  See @url{http://live.gnome.org/Vala} for details about Vala
+language.
+
+This mode was based on Dylan Moonfire's @samp{csharp-mode}.
+")
+      (license license:gpl2+))))
-- 
2.33.1


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