From a1e39884b9d4f876e64406d94ee3f8c554d62a5d Mon Sep 17 00:00:00 2001
From: Katherine Cox-Buday <cox.katherine.e@gmail.com>
Date: Sat, 16 Mar 2019 16:24:56 -0500
Subject: [PATCH] Create Package for Go v1.12.1

---
 gnu/packages/golang.scm | 188 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 187 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/golang.scm b/gnu/packages/golang.scm
index 4bcd5cfcf..e24ed8dde 100644
--- a/gnu/packages/golang.scm
+++ b/gnu/packages/golang.scm
@@ -12,7 +12,7 @@
 ;;; Copyright © 2018 Tomáš Čech <sleep_walker@gnu.org>
 ;;; Copyright © 2018 Pierre-Antoine Rouby <pierre-antoine.rouby@inria.fr>
 ;;; Copyright © 2018 Pierre Neidhardt <mail@ambrevar.xyz>
-;;; Copyright @ 2018 Katherine Cox-Buday <cox.katherine.e@gmail.com>
+;;; Copyright @ 2018, 2019 Katherine Cox-Buday <cox.katherine.e@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -413,6 +413,192 @@ in the style of communicating sequential processes (@dfn{CSP}).")
        ,@(package-native-inputs go-1.4)))
     (supported-systems %supported-systems)))
 
+
+(define-public go-1.12
+  (package
+    (inherit go-1.4)
+    (name "go")
+    (version "1.12.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://storage.googleapis.com/golang/"
+                           name version ".src.tar.gz"))
+       (sha256
+        (base32
+         "12l12mmgqvy3nbscy7sz83qj4m6iz5a322aq9sk45f7l9ml2gq8b"))))
+    (arguments
+     (substitute-keyword-arguments (package-arguments go-1.4)
+       ((#:phases phases)
+        `(modify-phases ,phases
+           (replace 'prebuild
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let* ((gcclib (string-append (assoc-ref inputs "gcc:lib") "/lib"))
+                      (ld (string-append (assoc-ref inputs "libc") "/lib"))
+                      (loader (car (find-files ld "^ld-linux.+")))
+                      (net-base (assoc-ref inputs "net-base"))
+                      (tzdata-path
+                       (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo"))
+                      (output (assoc-ref outputs "out")))
+
+                 ;; A side effect of these test scripts is testing
+                 ;; cgo. Attempts at using cgo flags and directives with these
+                 ;; scripts as specified here (https://golang.org/cmd/cgo/)
+                 ;; have not worked. The tests continue to state that they can
+                 ;; not find object files/headers despite being present.
+                 (for-each
+                  delete-file
+                  '("cmd/go/testdata/script/mod_case_cgo.txt"
+                    "cmd/go/testdata/script/list_find.txt"
+                    "cmd/go/testdata/script/list_compiled_imports.txt"
+                    "cmd/go/testdata/script/cgo_syso_issue29253.txt"))
+
+                 (substitute* "os/os_test.go"
+                   (("/usr/bin") (getcwd))
+                   (("/bin/pwd") (which "pwd"))
+                   (("/bin/sh") (which "sh")))
+
+                 (substitute* "cmd/vendor/golang.org/x/sys/unix/syscall_unix_test.go"
+                   (("/usr/bin") "/tmp"))
+
+                 ;; Add libgcc to runpath
+                 (substitute* "cmd/link/internal/ld/lib.go"
+                   (("!rpath.set") "true"))
+                 (substitute* "cmd/go/internal/work/gccgo.go"
+                   (("cgoldflags := \\[\\]string\\{\\}")
+                    (string-append "cgoldflags := []string{"
+                                   "\"-rpath=" gcclib "\""
+                                   "}"))
+                   (("\"-lgcc_s\", ")
+                    (string-append
+                     "\"-Wl,-rpath=" gcclib "\", \"-lgcc_s\", ")))
+                 (substitute* "cmd/go/internal/work/gc.go"
+                   (("ldflags = setextld\\(ldflags, compiler\\)")
+                    (string-append
+                     "ldflags = setextld(ldflags, compiler)\n"
+                     "ldflags = append(ldflags, \"-r\")\n"
+                     "ldflags = append(ldflags, \"" gcclib "\")\n")))
+
+                 ;; Disable failing tests: these tests attempt to access
+                 ;; commands or network resources which are neither available
+                 ;; nor necessary for the build to succeed.
+                 (for-each
+                  (match-lambda
+                    ((file regex)
+                     (substitute* file
+                       ((regex all before test_name)
+                        (string-append before "Disabled" test_name)))))
+                  '(("net/net_test.go" "(.+)(TestShutdownUnix.+)")
+                    ("net/dial_test.go" "(.+)(TestDialTimeout.+)")
+                    ("net/cgo_unix_test.go" "(.+)(TestCgoLookupPort.+)")
+                    ("net/cgo_unix_test.go" "(.+)(TestCgoLookupPortWithCancel.+)")
+                    ;; 127.0.0.1 doesn't exist
+                    ("net/cgo_unix_test.go" "(.+)(TestCgoLookupPTR.+)")
+                    ;; 127.0.0.1 doesn't exist
+                    ("net/cgo_unix_test.go" "(.+)(TestCgoLookupPTRWithCancel.+)")
+                    ;; /etc/services doesn't exist
+                    ("net/parse_test.go" "(.+)(TestReadLine.+)")
+                    ("os/os_test.go" "(.+)(TestHostname.+)")
+                    ;; The user's directory doesn't exist
+                    ("os/os_test.go" "(.+)(TestUserHomeDir.+)")
+                    ("time/format_test.go" "(.+)(TestParseInSydney.+)")
+                    ("time/format_test.go" "(.+)(TestParseInLocation.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestEcho.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestCommandRelativeName.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestCatStdin.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestCatGoodAndBadFile.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestExitStatus.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestPipes.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestStdinClose.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestIgnorePipeErrorOnSuccess.+)")
+                    ("syscall/syscall_unix_test.go" "(.+)(TestPassFD\\(.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestExtraFiles/areturn.+)")
+                    ("cmd/go/go_test.go" "(.+)(TestCoverageWithCgo.+)")
+                    ("cmd/go/go_test.go" "(.+)(TestTwoPkgConfigs.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestOutputStderrCapture.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestExtraFiles.+)")
+                    ("os/exec/exec_test.go" "(.+)(TestExtraFilesRace.+)")
+                    ("net/lookup_test.go" "(.+)(TestLookupPort.+)")
+                    ("syscall/exec_linux_test.go"
+                     "(.+)(TestCloneNEWUSERAndRemapNoRootDisableSetgroups.+)")))
+
+                 ;; fix shebang for testar script
+                 ;; note the target script is generated at build time.
+                 (substitute* "../misc/cgo/testcarchive/carchive_test.go"
+                   (("#!/usr/bin/env") (string-append "#!" (which "env"))))
+
+                 (substitute* "net/lookup_unix.go"
+                   (("/etc/protocols") (string-append net-base "/etc/protocols")))
+                 (substitute* "net/port_unix.go"
+                   (("/etc/services") (string-append net-base "/etc/services")))
+                 (substitute* "time/zoneinfo_unix.go"
+                   (("/usr/share/zoneinfo/") tzdata-path))
+                 (substitute* (find-files "cmd" "\\.go")
+                   (("/lib(64)?/ld-linux.*\\.so\\.[0-9]") loader))
+                 #t)))
+           (add-before 'build 'set-bootstrap-variables
+             (lambda* (#:key outputs inputs #:allow-other-keys)
+               ;; Tell the build system where to find the bootstrap Go.
+               (let ((go  (assoc-ref inputs "go")))
+                 (setenv "GOROOT_BOOTSTRAP" go)
+                 (setenv "GOGC" "400")
+                 #t)))
+           (replace 'build
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               ;; FIXME: Some of the .a files are not bit-reproducible.
+               (let* ((output (assoc-ref outputs "out")))
+                 (setenv "CC" (which "gcc"))
+                 (setenv "GOOS" "linux")
+                 (setenv "GOROOT" (dirname (getcwd)))
+                 (setenv "GOROOT_FINAL" output)
+                 (setenv "CGO_ENABLED" "1")
+                 (invoke "sh" "all.bash"))))
+
+           (replace 'install
+             ;; TODO: Most of this could be factorized with Go 1.4.
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let* ((output (assoc-ref outputs "out"))
+                      (doc_out (assoc-ref outputs "doc"))
+                      (docs (string-append doc_out "/share/doc/" ,name "-" ,version))
+                      (src (string-append
+                            (assoc-ref outputs "tests") "/share/" ,name "-" ,version)))
+                 (delete-file-recursively "../pkg/bootstrap")
+                 ;; Prevent installation of the build cache, which contains
+                 ;; store references to most of the tools used to build Go and
+                 ;; would unnecessarily increase the size of Go's closure if it
+                 ;; was installed.
+                 (delete-file-recursively "../pkg/obj")
+
+                 (mkdir-p src)
+                 (copy-recursively "../test" (string-append src "/test"))
+                 (delete-file-recursively "../test")
+                 (mkdir-p docs)
+                 (copy-recursively "../api" (string-append docs "/api"))
+                 (delete-file-recursively "../api")
+                 (copy-recursively "../doc" (string-append docs "/doc"))
+                 (delete-file-recursively "../doc")
+
+                 (for-each
+                  (lambda (file)
+                    (let* ((filein (string-append "../" file))
+                           (fileout (string-append docs "/" file)))
+                      (copy-file filein fileout)
+                      (delete-file filein)))
+                  ;; Note the slightly different file names compared to 1.4.
+                  '("README.md" "CONTRIBUTORS" "AUTHORS" "PATENTS"
+                    "LICENSE" "VERSION" "CONTRIBUTING.md" "robots.txt"))
+
+                 (copy-recursively "../" output)
+                 #t)))))))
+    (native-inputs
+     `(("go" ,go-1.4)
+       ,@(match (%current-system)
+           ((or "armhf-linux" "aarch64-linux")
+            `(("gold" ,binutils-gold)))
+           (_ `()))
+       ,@(package-native-inputs go-1.4)))
+    (supported-systems %supported-systems)))
+
 (define-public go go-1.11)
 
 (define-public go-github-com-alsm-ioprogress
-- 
2.17.1

