* guix/build/go-build-system.com (setup-go-environment): Set GOCACHE to a location within the build directory. Union "/var/cache/go/build" input directories to initialize the cache. Generate "trim.txt" within the cache, with the current time. --- guix/build/go-build-system.scm | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/guix/build/go-build-system.scm b/guix/build/go-build-system.scm index 645d2fe680..9f249b0777 100644 --- a/guix/build/go-build-system.scm +++ b/guix/build/go-build-system.scm @@ -5,6 +5,7 @@ ;;; Copyright © 2020 Jack Hill <jackh...@jackhill.us> ;;; Copyright © 2020 Jakub Kądziołka <k...@kadziolka.net> ;;; Copyright © 2020, 2021 Efraim Flashner <efr...@flashner.co.il> +;;; Copyright © 2021 Sarah Morgensen <iskar...@mgsn.dev> ;;; ;;; This file is part of GNU Guix. ;;; @@ -138,9 +139,28 @@ (define* (setup-go-environment #:key inputs outputs goos goarch #:allow-other-ke where executables (\"commands\") are installed to. This phase is sometimes used by packages that use (guix build-system gnu) but have a handful of Go dependencies, so it should be self-contained." - ;; The Go cache is required starting in Go 1.12. We don't actually use it but - ;; we need it to be a writable directory. - (setenv "GOCACHE" "/tmp/go-cache") + (define (search-input-directories dir) + (filter directory-exists? + (map (match-lambda + ((name . directory) + (string-append directory "/" dir))) + inputs))) + + ;; Seed the Go build cache with the build caches from input packages. + (let ((cache (string-append (getcwd) "/go-build"))) + (setenv "GOCACHE" cache) + (union-build cache + (search-input-directories "/var/cache/go/build") + ;; Creating all directories isn't that bad, because there are + ;; only ever 256 of them. + #:create-all-directories? #t + #:log-port (%make-void-port "w")) + + ;; Tell Go that the cache was recently trimmed, so it doesn't try to. + (call-with-output-file (string-append cache "/trim.txt") + (lambda (port) + (format port "~a" (current-time))))) + ;; Using the current working directory as GOPATH makes it easier for packagers ;; who need to manipulate the unpacked source code. (setenv "GOPATH" (getcwd)) -- 2.33.0
