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authorKatherine Cox-Buday <cox.katherine.e@gmail.com>2020-10-22 19:40:17 -0500
committerLudovic Courtès <ludo@gnu.org>2021-03-10 18:01:48 +0100
commit02e2e093e858e8a0ca7bd66c1f1f6fd0a1705edb (patch)
tree86b9f549a206f0c9a27a2a477c4283756f5356f1 /guix/build-system
parent520bac7ed00a949a0391ad680de65a1498105c2b (diff)
import: Add Go importer.
This patch adds a 'guix import go' command. * doc/guix.texi (Requirements): Mention Guile-Lib dependency. (Invoking guix import): Document 'guix import go'. * gnu/packages/package-management.scm (guix)[inputs, propagated-inputs]: Add GUILE-LIB. * guix/self.scm (compiled-guix)[guile-lib]: New variable. [dependencies]: Add it. (specification->package): Add "guile-lib". * guix/build-system/go.scm (go-version->git-ref): New procedure. * guix/import/go.scm, guix/scripts/import/go.scm, tests/go.scm: New files. * guix/scripts/import.scm: Declare subcommand guix import go * po/guix/POTFILES.in: Add 'guix/scripts/import/go.scm'. * Makefile.am (MODULES): Add 'guix/import/go.scm' and 'guix/scripts/import/go.scm'. (SCM_TESTS): Add 'tests/go.scm'. Co-Authored-By: Helio Machado <0x2b3bfa0@gmail.com> Co-Authored-By: Francois Joulaud <francois.joulaud@radiofrance.com> Co-Authored-By: Maxim Cournoyer <maxim.cournoyer@gmail.com> Co-Authored-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'guix/build-system')
-rw-r--r--guix/build-system/go.scm35
1 files changed, 34 insertions, 1 deletions
diff --git a/guix/build-system/go.scm b/guix/build-system/go.scm
index f8ebaefb27..0e2c1cd2ee 100644
--- a/guix/build-system/go.scm
+++ b/guix/build-system/go.scm
@@ -26,9 +26,12 @@
#:use-module (guix build-system gnu)
#:use-module (guix packages)
#:use-module (ice-9 match)
+ #:use-module (ice-9 regex)
#:export (%go-build-system-modules
go-build
- go-build-system))
+ go-build-system
+
+ go-version->git-ref))
;; Commentary:
;;
@@ -37,6 +40,36 @@
;;
;; Code:
+(define %go-version-rx
+ (make-regexp (string-append
+ "(v?[0-9]\\.[0-9]\\.[0-9])" ;"v" prefix can be omitted in version prefix
+ "(-|-pre\\.0\\.|-0\\.)" ;separator
+ "([0-9]{14})-" ;timestamp
+ "([0-9A-Fa-f]{12})"))) ;commit hash
+
+(define (go-version->git-ref version)
+ "Parse VERSION, a \"pseudo-version\" as defined at
+<https://golang.org/ref/mod#pseudo-versions>, and extract the commit hash from
+it, defaulting to full VERSION if a pseudo-version pattern is not recognized."
+ ;; A module version like v1.2.3 is introduced by tagging a revision in the
+ ;; underlying source repository. Untagged revisions can be referred to
+ ;; using a "pseudo-version" like v0.0.0-yyyymmddhhmmss-abcdefabcdef, where
+ ;; the time is the commit time in UTC and the final suffix is the prefix of
+ ;; the commit hash (see: https://golang.org/ref/mod#pseudo-versions).
+ (let* ((version
+ ;; If a source code repository has a v2.0.0 or later tag for a file
+ ;; tree with no go.mod, the version is considered to be part of the
+ ;; v1 module's available versions and is given an +incompatible
+ ;; suffix
+ ;; (see:https://golang.org/cmd/go/#hdr-Module_compatibility_and_semantic_versioning).
+ (if (string-suffix? "+incompatible" version)
+ (string-drop-right version 13)
+ version))
+ (match (regexp-exec %go-version-rx version)))
+ (if match
+ (match:substring match 4)
+ version)))
+
(define %go-build-system-modules
;; Build-side modules imported and used by default.
`((guix build go-build-system)