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gnu: Add emacs-libgit.

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* gnu/packages/emacs-xyz.scm (emacs-libgit): New variable.
* gnu/packages/patches/emacs-libgit-use-system-libgit2.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register patch.
This commit is contained in:
Maxim Cournoyer 2020-03-27 21:21:37 -04:00
parent c08f235b12
commit 9ea9e97b9c
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3 changed files with 167 additions and 2 deletions
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78
gnu/packages/emacs-xyz.scm
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@ -31,7 +31,7 @@
;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com>
;;; Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2017 Mike Gerwitz <mtg@gnu.org>
;;; Copyright © 2017, 2018, 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2017, 2018, 2019, 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2018 Sohom Bhattacharjee <soham.bhattacharjee15@gmail.com>
;;; Copyright © 2018, 2019 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2018, 2019, 2020 Pierre Neidhardt <mail@ambrevar.xyz>
@ -318,6 +318,82 @@ For remote processes a substitute is provided, which communicates with Emacs
on stdout instead of using a socket as the Emacsclient does.")
(license license:gpl3+)))
(define-public emacs-libgit
(let ((commit "0ef8b13aef011a98b7da756e4f1ce3bb18e4d55a")
(revision "1"))
(package
(name "emacs-libgit")
(version (git-version "20200515" revision commit))
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/magit/libegit2.git")
(commit commit)))
(file-name (git-file-name name version))
(sha256
(base32
"0pnjr3bg6y6354dfjjxfj0g51swzgl1fncpprah75x4k94rd369f"))
(patches (search-patches
;; Submitted for inclusion upstream (see:
;; https://github.com/magit/libegit2/pull/96).
"emacs-libgit-use-system-libgit2.patch"))))
;; Use the cmake-build-system as it provides support for cross builds.
(build-system cmake-build-system)
(arguments
`(#:configure-flags '("-DUSE_SYSTEM_LIBGIT2=x")
;; Add the emacs-build-system byte compilation and install phases.
#:imported-modules (,@%cmake-build-system-modules
(guix build emacs-build-system)
(guix build emacs-utils))
#:modules ((guix build cmake-build-system)
((guix build emacs-build-system) #:prefix emacs:)
(guix build emacs-utils)
(guix build utils))
#:phases
(modify-phases %standard-phases
(add-after 'unpack 'set-libgit--module-file
(lambda* (#:key outputs #:allow-other-keys)
(let ((out (assoc-ref outputs "out")))
(make-file-writable "libgit.el")
(emacs-substitute-variables "libgit.el"
("libgit--module-file"
(string-append out "/share/emacs/site-lisp/libegit2.so")))
#t)))
(add-before 'install 'prepare-for-install
(lambda _
(let ((s (string-append "../" ,name "-" ,version "-checkout")))
(copy-file "libegit2.so" (string-append s "/libegit2.so"))
(chdir s)
#t)))
(replace 'install
(lambda* (#:key outputs #:allow-other-keys)
(let ((install (assoc-ref emacs:%standard-phases 'install)))
(install #:outputs outputs
#:include (cons "\\.so$"
emacs:%default-include)))))
(add-after 'install 'make-autoloads
(assoc-ref emacs:%standard-phases 'make-autoloads))
(add-after 'make-autoloads 'enable-autoloads-compilation
(assoc-ref emacs:%standard-phases 'enable-autoloads-compilation))
(add-after 'enable-autoloads-compilation 'patch-el-files
(assoc-ref emacs:%standard-phases 'patch-el-files))
(add-after 'patch-el-files 'emacs-build
(assoc-ref emacs:%standard-phases 'build))
(add-after 'emacs-build 'validate-compiled-autoloads
(assoc-ref emacs:%standard-phases 'validate-compiled-autoloads)))))
(native-inputs
`(("pkg-config" ,pkg-config)
("emacs" ,emacs-no-x)
("git" ,git-minimal)))
(inputs
`(("libgit2" ,libgit2)))
(home-page "https://github.com/magit/libegit2")
(synopsis "Emacs bindings for libgit2")
(description "This is an experimental module written in C providing
libgit2 bindings for Emacs, intended to boost the performance of Magit.")
;; The LICENSE file says GPL v2+, but libgit.el says GPL v3+.
(license license:gpl3+))))
(define-public emacs-magit
;; `magit-setup-buffer' macro introduced in c761d28d and required in
;; `emacs-forge'.