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-rw-r--r--guix/build/julia-build-system.scm48
1 files changed, 43 insertions, 5 deletions
diff --git a/guix/build/julia-build-system.scm b/guix/build/julia-build-system.scm
index d74acf2a05..41c69665c6 100644
--- a/guix/build/julia-build-system.scm
+++ b/guix/build/julia-build-system.scm
@@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019, 2020 Nicolò Balzarotti <nicolo@nixo.xyz>
+;;; Copyright © 2021 Jean-Baptiste Volatier <jbv@pm.me>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -20,9 +21,11 @@
(define-module (guix build julia-build-system)
#:use-module ((guix build gnu-build-system) #:prefix gnu:)
#:use-module (guix build utils)
+ #:use-module (rnrs io ports)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:use-module (ice-9 rdelim)
+ #:use-module (ice-9 popen)
#:export (%standard-phases
julia-create-package-toml
julia-build))
@@ -37,7 +40,7 @@
(invoke "julia" "-e" code))
;; subpath where we store the package content
-(define %package-path "/share/julia/packages/")
+(define %package-path "/share/julia/loadpath/")
(define (project.toml->name file)
"Look for Julia package name in the TOML file FILE (usually named
@@ -51,6 +54,18 @@ Project.toml)."
(if m (match:substring m 1)
(loop (read-line in 'concat)))))))))
+(define (project.toml->uuid file)
+ "Look for Julia package uuid in the TOML file FILE (usually named
+Project.toml)."
+ (call-with-input-file file
+ (lambda (in)
+ (let loop ((line (read-line in 'concat)))
+ (if (eof-object? line)
+ #f
+ (let ((m (string-match "uuid\\s*=\\s*\"(.*)\"" line)))
+ (if m (match:substring m 1)
+ (loop (read-line in 'concat)))))))))
+
(define* (install #:key source inputs outputs julia-package-name
#:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
@@ -73,7 +88,7 @@ Project.toml)."
(setenv "JULIA_DEPOT_PATH" builddir)
;; Add new package dir to the load path.
(setenv "JULIA_LOAD_PATH"
- (string-append builddir "packages/" ":"
+ (string-append builddir "loadpath/" ":"
(or (getenv "JULIA_LOAD_PATH")
"")))
;; Actual precompilation:
@@ -97,15 +112,36 @@ Project.toml)."
(setenv "SOURCE_DATE_EPOCH" "1")
(setenv "JULIA_DEPOT_PATH" builddir)
(setenv "JULIA_LOAD_PATH"
- (string-append builddir "packages/" ":"
+ (string-append builddir "loadpath/" ":"
(or (getenv "JULIA_LOAD_PATH")
"")))
(setenv "HOME" "/tmp")
(invoke "julia" "--depwarn=yes"
- (string-append builddir "packages/"
+ (string-append builddir "loadpath/"
package "/test/runtests.jl"))))
#t)
+(define* (link-depot #:key source inputs outputs julia-package-name julia-package-uuid
+ #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (package-name (or
+ julia-package-name
+ (project.toml->name "Project.toml")))
+ (package-dir (string-append out %package-path package-name))
+ (uuid (or julia-package-uuid (project.toml->uuid "Project.toml")))
+ (pipe (open-pipe* OPEN_READ "julia" "-e"
+ (format #f "using Pkg;
+println(Base.version_slug(Base.UUID(\"~a\"),
+ Base.SHA1(Pkg.GitTools.tree_hash(\".\"))))" uuid)))
+ (slug (string-trim-right (get-string-all pipe))))
+ ;; When installing a package, julia looks first at in the JULIA_DEPOT_PATH
+ ;; for a path like packages/PACKAGE/XXXX
+ ;; Where XXXX is a slug encoding the package UUID and SHA1 of the files
+ ;; Here we create a link with the correct path to enable julia to find the package
+ (mkdir-p (string-append out "/share/julia/packages/" package-name))
+ (symlink package-dir (string-append out "/share/julia/packages/" package-name "/" slug)))
+ #t)
+
(define (julia-create-package-toml outputs source
name uuid version
deps)
@@ -138,6 +174,7 @@ version = \"" version "\"
(delete 'check) ; tests must be run after installation
(replace 'install install)
(add-after 'install 'precompile precompile)
+ (add-after 'unpack 'link-depot link-depot)
(add-after 'install 'check check)
;; TODO: In the future we could add a "system-image-generation" phase
;; where we use PackageCompiler.jl to speed up package loading times
@@ -146,11 +183,12 @@ version = \"" version "\"
(delete 'patch-usr-bin-file)
(delete 'build)))
-(define* (julia-build #:key inputs julia-package-name
+(define* (julia-build #:key inputs julia-package-name julia-package-uuid
(phases %standard-phases)
#:allow-other-keys #:rest args)
"Build the given Julia package, applying all of PHASES in order."
(apply gnu:gnu-build
#:inputs inputs #:phases phases
#:julia-package-name julia-package-name
+ #:julia-package-uuid julia-package-uuid
args))