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(define-module (crn packages go-xyz)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix gexp)
#:use-module (guix git-download)
#:use-module (guix utils)
#:use-module (gnu packages)
#:use-module (gnu packages golang)
#:use-module (gnu packages golang-check))
(define-public go-1.21
(package
(inherit go-1.20)
(name "go")
(version "1.21.4")
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/golang/go")
(commit (string-append "go" version))))
(file-name (git-file-name name version))
(sha256
(base32
"0xp1mqjbbs53bjg00d4a37af5p1by28xnflj2xi5kchcpmlqn5nz"))))
(arguments
(substitute-keyword-arguments (package-arguments go-1.20)
;; Source patching phases are broken up into discrete steps to
;; allow future versions to discard individual phases without
;; having to discard all source patching.
((#:phases phases)
#~(modify-phases #$phases
(delete 'skip-TestGoPathShlibGccgo-tests)
(delete 'patch-source)
(add-after 'unpack 'patch-os-tests
(lambda _
(substitute* "src/os/os_test.go"
(("/usr/bin") (getcwd))
(("/bin/sh") (which "sh")))))
(add-after 'unpack 'apply-patches
(lambda* (#:key inputs #:allow-other-keys)
;; Having the patch in the 'patches' field of <origin>
;; breaks the 'TestServeContent' test due to the fact
;; that timestamps are reset. Thus, apply it from here.
(invoke "patch" "-p1" "--force" "-i"
(assoc-ref inputs "go-fix-script-tests.patch"))))
(add-after 'unpack 'patch-src/net
(lambda* (#:key inputs #:allow-other-keys)
(let ((net-base (assoc-ref inputs "net-base")))
(substitute* "src/net/lookup_unix.go"
(("/etc/protocols")
(string-append net-base "/etc/protocols")))
(substitute* "src/net/port_unix.go"
(("/etc/services")
(string-append net-base "/etc/services"))))))
(add-after 'unpack 'patch-zoneinfo
(lambda* (#:key inputs #:allow-other-keys)
;; Add the path to this specific version of tzdata's
;; zoneinfo file to the top of the list to search. We
;; don't want to replace any sources because it will
;; affect how binaries compiled with this Go toolchain
;; behave on non-guix platforms.
(substitute* "src/time/zoneinfo_unix.go"
(("var platformZoneSources.+" all)
(format #f "~a~%\"~a/share/zoneinfo\",~%"
all
(assoc-ref inputs "tzdata"))))))
(add-after 'unpack 'patch-cmd/go/testdata/script
(lambda _
(substitute* "src/cmd/go/testdata/script/cgo_path_space.txt"
(("/bin/sh") (which "sh")))))
(add-after 'enable-external-linking 'enable-external-linking-1.21
(lambda _
;; Invoke GCC to link any archives created with GCC
;; (that is, any packages built using 'cgo'), because Go
;; doesn't know how to handle the runpaths but GCC does.
;; Use substitute* rather than. a patch since these
;; files are liable to change often
;;
;; XXX: Replace with GO_EXTLINK_ENABLED=1 or similar
;; when <https://github.com/golang/go/issues/31544>
;; and/or <https://github.com/golang/go/issues/43525>
;; are resolved.
(substitute* "src/cmd/link/internal/ld/config.go"
(("\\(iscgo && \\(.+\\)") "iscgo"))
(substitute* "src/internal/testenv/testenv.go"
(("!CanInternalLink.+") "true {\n"))
(substitute* "src/syscall/exec_linux_test.go"
(("testenv.MustHaveExecPath\\(t, \"whoami\"\\)")
"t.Skipf(\"no passwd file present\")"))))
(replace 'install
(lambda* (#:key outputs #:allow-other-keys)
;; Notably, we do not install archives (180M), which Go
;; will happily recompile quickly (and cache) if needed,
;; almost surely faster than they could be substituted.
;;
;; The main motivation for pre-compiled archives is to
;; use libc-linked `net' or `os' packages without a C
;; compiler, but on Guix a C compiler is necessary to
;; properly link the final binaries anyway. Many build
;; flags also invalidate these pre-compiled archives, so
;; in practice Go often recompiles them anyway.
;;
;; Upstream is also planning to no longer install these
;; archives: <https://github.com/golang/go/issues/47257>
;;
;; When necessary, a custom pre-compiled library package
;; can be created with `#:import-path "std"' and used
;; with `-pkgdir'.
;;
;; When moving files into place, any files that come
;; from GOROOT should remain in GOROOT to continue
;; functioning. If they need to be referenced from some
;; other directory, they need to be symlinked from
;; GOROOT. For more information, please see
;; https://github.com/golang/go/issues/61921
(let* ((out (assoc-ref outputs "out"))
(tests (assoc-ref outputs "tests")))
(for-each
(lambda (file)
(copy-recursively file (string-append out "/lib/go/" file)))
'("bin" "go.env" "lib" "VERSION" "pkg/include" "pkg/tool"))
(symlink "lib/go/bin" (string-append out "/bin"))
(for-each
(match-lambda
((file dest output)
;; Copy to output/dest and symlink from
;; output/lib/go/file.
(let ((file* (string-append output "/lib/go/" file))
(dest* (string-append output "/" dest)))
(copy-recursively file dest*)
(mkdir-p (dirname file*))
(symlink (string-append "../../" dest) file*))))
`(("src" "share/go/src" ,out)
("misc" "share/go/misc" ,out)
("doc" "share/doc/go/doc" ,out)
("api" "share/go/api" ,tests)
("test" "share/go/test" ,tests))))))))))))
(define-public go-std-1.21 (make-go-std go-1.21))
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