diff options
Diffstat (limited to 'guix/build')
-rw-r--r-- | guix/build/rebar-build-system.scm | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/guix/build/rebar-build-system.scm b/guix/build/rebar-build-system.scm new file mode 100644 index 0000000000..fb66422877 --- /dev/null +++ b/guix/build/rebar-build-system.scm @@ -0,0 +1,147 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2016, 2018 Ricardo Wurmus <rekado@elephly.net> +;;; Copyright © 2019 Björn Höfling <bjoern.hoefling@bjoernhoefling.de> +;;; Copyright © 2020, 2022 Hartmut Goebel <h.goebel@crazy-compilers.com> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (guix build rebar-build-system) + #:use-module ((guix build gnu-build-system) #:prefix gnu:) + #:use-module ((guix build utils) #:hide (delete)) + #:use-module (ice-9 match) + #:use-module (ice-9 ftw) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) + #:export (rebar-build + %standard-phases)) + +;; +;; Builder-side code of the standard build procedure for Erlang packages using +;; rebar3. +;; +;; TODO: Think about whether bindir ("ebin"), libdir ("priv") and includedir +;; "(include") need to be configurable + +(define %erlang-libdir "/lib/erlang/lib") + +(define* (erlang-depends #:key inputs #:allow-other-keys) + (define input-directories + (match inputs + (((_ . dir) ...) + dir))) + (mkdir-p "_checkouts") + + (for-each + (lambda (input-dir) + (let ((elibdir (string-append input-dir %erlang-libdir))) + (when (directory-exists? elibdir) + (for-each + (lambda (dirname) + (let ((dest (string-append elibdir "/" dirname)) + (link (string-append "_checkouts/" dirname))) + (when (not (file-exists? link)) + ;; RETHINK: Maybe better copy and make writable to avoid some + ;; error messages e.g. when using with rebar3-git-vsn. + (symlink dest link)))) + (list-directories elibdir))))) + input-directories)) + +(define* (unpack #:key source #:allow-other-keys) + "Unpack SOURCE in the working directory, and change directory within the +source. When SOURCE is a directory, copy it in a sub-directory of the current +working directory." + (let ((gnu-unpack (assoc-ref gnu:%standard-phases 'unpack))) + (gnu-unpack #:source source) + ;; Packages from hex.pm typically have a contents.tar.gz containing the + ;; actual source. If this tar file exists, extract it. + (when (file-exists? "contents.tar.gz") + (invoke "tar" "xvf" "contents.tar.gz")))) + +(define* (build #:key (rebar-flags '()) #:allow-other-keys) + (apply invoke `("rebar3" "compile" ,@rebar-flags))) + +(define* (check #:key target (rebar-flags '()) (tests? (not target)) + (test-target "eunit") + #:allow-other-keys) + (if tests? + (apply invoke `("rebar3" ,test-target ,@rebar-flags)) + (format #t "test suite not run~%"))) + +(define (erlang-package? name) + "Check if NAME correspond to the name of an Erlang package." + (string-prefix? "erlang-" name)) + +(define (package-name-version->erlang-name name+ver) + "Convert the Guix package NAME-VER to the corresponding Erlang name-version +format. Essentially drop the prefix used in Guix and replace dashes by +underscores." + (let* ((name- (package-name->name+version name+ver))) + (string-join + (string-split + (if (erlang-package? name-) ; checks for "erlang-" prefix + (string-drop name- (string-length "erlang-")) + name-) + #\-) + "_"))) + +(define (list-directories directory) + "Return file names of the sub-directory of DIRECTORY." + (scandir directory + (lambda (file) + (and (not (member file '("." ".."))) + (file-is-directory? (string-append directory "/" file)))))) + +(define* (install #:key name outputs + (install-name (package-name-version->erlang-name name)) + (install-profile "default") ; build profile outputs to install + #:allow-other-keys) + (let* ((out (assoc-ref outputs "out")) + (pkg-dir (string-append out %erlang-libdir "/" install-name))) + (let ((bin-dir (string-append "_build/" install-profile "/bin")) + (lib-dir (string-append "_build/" install-profile "/lib"))) + ;; install _build/PROFILE/bin + (when (file-exists? bin-dir) + (copy-recursively bin-dir out #:follow-symlinks? #t)) + ;; install _build/PROFILE/lib/*/{ebin,include,priv} + (for-each + (lambda (*) + (for-each + (lambda (dirname) + (let ((src-dir (string-append lib-dir "/" * "/" dirname)) + (dst-dir (string-append pkg-dir "/" dirname))) + (when (file-exists? src-dir) + (copy-recursively src-dir dst-dir #:follow-symlinks? #t)) + (false-if-exception + (delete-file (string-append dst-dir "/.gitignore"))))) + '("ebin" "include" "priv"))) + (list-directories lib-dir)) + (false-if-exception + (delete-file (string-append pkg-dir "/priv/Run-eunit-loop.expect")))))) + +(define %standard-phases + (modify-phases gnu:%standard-phases + (replace 'unpack unpack) + (delete 'bootstrap) + (delete 'configure) + (add-before 'build 'erlang-depends erlang-depends) + (replace 'build build) + (replace 'check check) + (replace 'install install))) + +(define* (rebar-build #:key inputs (phases %standard-phases) + #:allow-other-keys #:rest args) + "Build the given Erlang package, applying all of PHASES in order." + (apply gnu:gnu-build #:inputs inputs #:phases phases args)) |