01/03: gnu: Add go-golang.org-x-sync-errgroup.

[guix-commits]

dannym pushed a commit to branch master
in repository guix.

commit cb2555e28f1ce4d7d70b2b60bed7ad93649772e4
Author: Danny Milosavljevic <address@hidden>
AuthorDate: Fri Jan 3 02:34:30 2020 +0100

    gnu: Add go-golang.org-x-sync-errgroup.
    
    * gnu/packages/golang.scm (go-golang.org-x-sync-errgroup): New variable.
---
 gnu/packages/golang.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/golang.scm b/gnu/packages/golang.scm
index 9102469..e0bcee9 100644
--- a/gnu/packages/golang.scm
+++ b/gnu/packages/golang.scm
@@ -3077,3 +3077,30 @@ alternative to @code{reflect.DeepEqual} for comparing 
whether two values
 are semantically equal in Go (for writing tests).")
     (home-page "https://godoc.org/github.com/google/go-cmp/cmp";)
     (license license:asl2.0)))
+
+(define-public go-golang.org-x-sync-errgroup
+  (let ((commit "cd5d95a43a6e21273425c7ae415d3df9ea832eeb")
+        (revision "0"))
+    (package
+      (name "go-golang.org-x-sync-errgroup")
+      (version (git-version "0.0.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                       (url "https://go.googlesource.com/sync";)
+                       (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1nqkyz2y1qvqcma52ijh02s8aiqmkfb95j08f6zcjhbga3ds6hds"))))
+      (build-system go-build-system)
+      (arguments
+       '(#:import-path "golang.org/x/sync/errgroup"
+         #:unpack-path "golang.org/x/sync"))
+      (synopsis "Synchronization, error propagation, and Context cancelation
+for groups of goroutines working on subtasks of a common task.")
+      (description "This package provides synchronization, error propagation,
+and Context cancelation for groups of goroutines working on subtasks of a
+common task.")
+      (home-page "https://godoc.org/golang.org/x/sync/errgroup";)
+      (license license:bsd-3))))