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01/05: gnu: Add emacs-libgit.
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From: |
guix-commits |
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Subject: |
01/05: gnu: Add emacs-libgit. |
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Date: |
Wed, 27 May 2020 13:48:25 -0400 (EDT) |
apteryx pushed a commit to branch master
in repository guix.
commit 9ea9e97b9c6d886151f4fd4394c315fda8efa9cb
Author: Maxim Cournoyer <address@hidden>
AuthorDate: Fri Mar 27 21:21:37 2020 -0400
gnu: Add emacs-libgit.
* 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.
---
gnu/local.mk | 3 +-
gnu/packages/emacs-xyz.scm | 78 ++++++++++++++++++-
.../patches/emacs-libgit-use-system-libgit2.patch | 88 ++++++++++++++++++++++
3 files changed, 167 insertions(+), 2 deletions(-)
diff --git a/gnu/local.mk b/gnu/local.mk
index 3d5653b..6be47b9 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -19,7 +19,7 @@
# Copyright © 2018 Amirouche Boubekki <address@hidden>
# Copyright © 2018, 2019, 2020 Oleg Pykhalov <address@hidden>
# Copyright © 2018 Stefan Stefanović <address@hidden>
-# Copyright © 2018 Maxim Cournoyer <address@hidden>
+# Copyright © 2018, 2020 Maxim Cournoyer <address@hidden>
# Copyright © 2019 Guillaume Le Vaillant <address@hidden>
# Copyright © 2019, 2020 John Soo <address@hidden>
# Copyright © 2019 Jonathan Brielmaier <address@hidden>
@@ -886,6 +886,7 @@ dist_patch_DATA =
\
%D%/packages/patches/emacs-fix-scheme-indent-function.patch \
%D%/packages/patches/emacs-json-reformat-fix-tests.patch \
%D%/packages/patches/emacs-highlight-stages-add-gexp.patch \
+ %D%/packages/patches/emacs-libgit-use-system-libgit2.patch \
%D%/packages/patches/emacs-magit-log-format-author-margin.patch \
%D%/packages/patches/emacs-scheme-complete-scheme-r5rs-info.patch \
%D%/packages/patches/emacs-source-date-epoch.patch \
diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 45a10f4..e6cbd44 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -31,7 +31,7 @@
;;; Copyright © 2017 Peter Mikkelsen <address@hidden>
;;; Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <address@hidden>
;;; Copyright © 2017 Mike Gerwitz <address@hidden>
-;;; Copyright © 2017, 2018, 2019 Maxim Cournoyer <address@hidden>
+;;; Copyright © 2017, 2018, 2019, 2020 Maxim Cournoyer <address@hidden>
;;; Copyright © 2018 Sohom Bhattacharjee <address@hidden>
;;; Copyright © 2018, 2019 Mathieu Lirzin <address@hidden>
;;; Copyright © 2018, 2019, 2020 Pierre Neidhardt <address@hidden>
@@ -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'.
diff --git a/gnu/packages/patches/emacs-libgit-use-system-libgit2.patch
b/gnu/packages/patches/emacs-libgit-use-system-libgit2.patch
new file mode 100644
index 0000000..4a5546b
--- /dev/null
+++ b/gnu/packages/patches/emacs-libgit-use-system-libgit2.patch
@@ -0,0 +1,88 @@
+From de3c48d72ec7064e7f0522877fe759c729df0c50 Mon Sep 17 00:00:00 2001
+From: Maxim Cournoyer <address@hidden>
+Date: Wed, 25 Mar 2020 11:32:18 -0400
+Subject: [PATCH] Allow using a system provided libgit2 library
+
+Setting the USE_SYSTEM_LIBGIT2 Make or CMake variable (through the
+BUILD_OPTIONS variable) to any value enables using the system library.
+The default behavior of using a bundled copy of libgit2 is unchanged.
+---
+ CMakeLists.txt | 9 +++++++--
+ Makefile | 11 +++++++++++
+ src/CMakeLists.txt | 9 +++++++--
+ 3 files changed, 25 insertions(+), 4 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a393d7c..75d6ca6 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -7,9 +7,14 @@ set(BUILD_SHARED_LIBS OFF CACHE BOOL "shared" FORCE)
+ set(BUILD_CLAR OFF CACHE BOOL "clar" FORCE)
+ set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DEGIT_DEBUG")
+
+-add_subdirectory(libgit2)
++if(USE_SYSTEM_LIBGIT2)
++ find_package(PkgConfig REQUIRED)
++ pkg_check_modules(git2 REQUIRED IMPORTED_TARGET libgit2)
++else()
++ add_subdirectory(libgit2)
++ find_library(git2 libgit2.a)
++endif()
+
+-find_library(git2 libgit2.a)
+ add_subdirectory(src)
+
+ enable_testing()
+diff --git a/Makefile b/Makefile
+index 8199532..6a6a4e1 100644
+--- a/Makefile
++++ b/Makefile
+@@ -13,6 +13,13 @@ ifeq ($(UNAME),MSYS)
+ BUILD_OPTIONS+= -G "MSYS Makefiles"
+ endif
+
++# If the variable USE_SYSTEM_LIBGIT2 is set to *any* value, use the
++# system provided libgit2 library.
++USE_SYSTEM_LIBGIT2? := \
++ $(if $(or $(USE_SYSTEM_LIBGIT2),\
++ $(findstring USE_SYSTEM_LIBGIT2,$(BUILD_OPTIONS))),\
++ true)
++
+ ifeq "$(TRAVIS)" "true"
+ ## Makefile for Travis ###################################################
+ #
+@@ -87,7 +94,11 @@ submodule-update:
+ @git submodule update
+
+ libgit2:
++ifeq ($(USE_SYSTEM_LIBGIT2?),)
+ @git submodule update --init
++else
++ @echo "Using the system provided libgit2 library"
++endif
+
+ CLEAN = $(ELCS) $(PKG)-autoloads.el build
+
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index cfb5777..0dbad8a 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -13,8 +13,13 @@ if(WIN32)
+ set_target_properties(egit2 PROPERTIES PREFIX lib)
+ endif(WIN32)
+
+-target_link_libraries(egit2 git2)
+-target_include_directories(egit2 SYSTEM PRIVATE
"${libgit2_SOURCE_DIR}/include")
++if(USE_SYSTEM_LIBGIT2)
++ target_link_libraries(egit2 PRIVATE PkgConfig::git2)
++else()
++ target_link_libraries(egit2 git2)
++ target_include_directories(
++ egit2 SYSTEM PRIVATE "${libgit2_SOURCE_DIR}/include")
++endif()
+
+ if(CMAKE_COMPILER_IS_GNUCC)
+ target_compile_options(egit2 PRIVATE -Wall -Wextra)
+--
+2.26.2
+