gnu: go-github-com-prometheus-client-golang: Move to prometheus.

* gnu/packages/golang.scm (go-github-com-prometheus-client-golang): Move
from here ...
* gnu/packages/prometheus.scm: ... to here.

* gnu/packages/backup.scm: Add (gnu packages prometheus) module.
* gnu/packages/golang-xyz.scm: Likewise.
* gnu/packages/ipfs.scm: Likewise.
* gnu/packages/irc.scm: Likewise.
* gnu/packages/web.scm: Likewise.

Change-Id: If3d78d31b1491f8a95616e59f50371c2914242d9

1 files changed, 51 insertions, 0 deletions

diff --git a/gnu/packages/prometheus.scm b/gnu/packages/prometheus.scm
index 5ec4fe0b12..860bb74017 100644
--- a/gnu/packages/prometheus.scm
+++ b/gnu/packages/prometheus.scm
@@ -29,6 +29,7 @@
   #:use-module (gnu packages golang)
   #:use-module (gnu packages golang-build)
   #:use-module (gnu packages golang-check)
+  #:use-module (gnu packages golang-crypto)
   #:use-module (gnu packages golang-web)
   #:use-module (gnu packages golang-xyz))
 
@@ -87,6 +88,56 @@ x/net/trace)} tracing wrappers @code{net.Conn}, both inbound
 (@@code{net.Listener}) and outbound (@@code{net.Dialer}).")
     (license license:asl2.0)))
 
+(define-public go-github-com-prometheus-client-golang
+  (package
+    (name "go-github-com-prometheus-client-golang")
+    (version "1.19.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/prometheus/client_golang")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0mx5q221pbkx081ycf1lp8sxz513220ya8qczkkvab943cwlcarv"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:import-path "github.com/prometheus/client_golang"
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'remove-examples-and-tutorials
+            (lambda* (#:key import-path #:allow-other-keys)
+              (with-directory-excursion (string-append "src/" import-path)
+                (for-each delete-file-recursively
+                          (list "api/prometheus/v1/example_test.go"
+                                "examples"
+                                "tutorial")))))
+          ;; XXX: Workaround for go-build-system's lack of Go modules support.
+          (delete 'build)
+          (replace 'check
+            (lambda* (#:key tests? import-path #:allow-other-keys)
+              (when tests?
+                (with-directory-excursion (string-append "src/" import-path)
+                  (invoke "go" "test" "-v" "./..."))))))))
+    (propagated-inputs
+     (list go-github-com-beorn7-perks
+           go-github-com-cespare-xxhash-v2
+           go-github-com-davecgh-go-spew
+           go-github-com-json-iterator-go
+           go-github-com-prometheus-client-model
+           go-github-com-prometheus-common
+           go-github-com-prometheus-procfs
+           go-golang-org-x-sys
+           go-google-golang-org-protobuf))
+    (home-page "https://github.com/prometheus/client_golang")
+    (synopsis "HTTP server and client tools for Prometheus")
+    (description
+     "This package @code{promhttp} provides HTTP client and server tools for
+Prometheus metrics.")
+    (license license:asl2.0)))
+
 (define-public go-github-com-prometheus-client-model
   (package
     (name "go-github-com-prometheus-client-model")