gnu: go-github-com-go-md2man: Package executable separately.

* gnu/packages/golang-xyz.scm (go-github-com-go-md2man) [arguments]
<skip-build?>: Preserve the package for source only inputs.
(go-md2man): New variable.

* gnu/packages/check.scm (checkmake): [native-inputs]: Remove
go-github-com-go-md2man; add go-md2man.
* gnu/packages/containers.scm (buildah, podman): Likewise.
* gnu/packages/hardware.scm (brillo): Likewise.
* gnu/packages/printers.scm (ipp-usb): Likewise.
* gnu/packages/virtualization.scm (runc, skopeo): Likewise.

Change-Id: I753364633786574c603a978da75a57090d706b27

gnu/packages/check.scm

@@ -413,9 +413,9 @@ source code editors and IDEs.")
     (native-inputs
      (list go-github-com-docopt-docopt-go
            go-github-com-go-ini-ini
-           go-github-com-go-md2man
            go-github-com-olekukonko-tablewriter
-           go-github-com-stretchr-testify))
+           go-github-com-stretchr-testify
+           go-md2man))
     (home-page "https://github.com/mrtazz/checkmake")
     (synopsis "Linter and analyzer for @file{Makefile}")
     (description

gnu/packages/containers.scm

@@ -489,8 +489,7 @@ Its main purpose is to support the key usage by @code{docker-init}:
       #~(list (string-append "CC=" #$(cc-for-target))
               (string-append "PREFIX=" #$output)
               (string-append "HELPER_BINARIES_DIR=" #$output "/_guix")
-              (string-append "GOMD2MAN="
-                             #$go-github-com-go-md2man "/bin/go-md2man")
+              (string-append "GOMD2MAN=" #$go-md2man "/bin/go-md2man")
               (string-append "BUILDFLAGS=-trimpath"))
       #:tests? #f                  ; /sys/fs/cgroup not set up in guix sandbox
       #:test-target "test"
@@ -575,7 +574,7 @@ Its main purpose is to support the key usage by @code{docker-init}:
            bats
            git-minimal/pinned
            go-1.22
-           go-github-com-go-md2man
+           go-md2man
            gnu-gettext ; for envsubst
            mandoc
            pkg-config
@@ -643,8 +642,7 @@ being rootless and not requiring any daemon to be running.")
       #:make-flags
       #~(list (string-append "CC=" #$(cc-for-target))
               (string-append "PREFIX=" #$output)
-              (string-append "GOMD2MAN="
-                             #$go-github-com-go-md2man "/bin/go-md2man"))
+              (string-append "GOMD2MAN=" #$go-md2man "/bin/go-md2man"))
       #:tests? #f                  ; /sys/fs/cgroup not set up in guix sandbox
       #:test-target "test-unit"
       #:phases
@@ -702,7 +700,7 @@ being rootless and not requiring any daemon to be running.")
     (native-inputs
      (list bats
            go-1.23
-           go-github-com-go-md2man
+           go-md2man
            pkg-config))
     (synopsis "Build @acronym{OCI, Open Container Initiative} images")
     (description

gnu/packages/golang-xyz.scm

@@ -3968,6 +3968,7 @@ it effectively reuses the JSON struct tags as well as the custom JSON methods
     (build-system go-build-system)
     (arguments
      (list
+      #:skip-build? #t
       #:import-path "github.com/cpuguy83/go-md2man"))
     (propagated-inputs
      (list go-github-com-russross-blackfriday-v2))
@@ -19498,6 +19499,24 @@ Jsonnet C++implementation.")
      (string-append (package-description go-github-com-vburenin-ifacemaker)
                     "  This package provides a command line interface (CLI) tool."))))
 
+(define-public go-md2man
+  (package/inherit go-github-com-go-md2man
+    (name "go-md2man")
+    (arguments
+     (substitute-keyword-arguments
+         (package-arguments go-github-com-go-md2man)
+       ((#:tests? _ #t) #f)
+       ((#:install-source? _ #t) #f)
+       ((#:skip-build? _ #t) #f)))
+    (native-inputs
+     (package-propagated-inputs go-github-com-go-md2man))
+    (propagated-inputs '())
+    (inputs '())
+    (description
+     (string-append (package-description go-github-com-go-md2man)
+                    "\nThis package provides a command line interface (CLI)
+tool."))))
+
 (define-public go-msgio
   (package
     (inherit go-github-com-libp2p-go-msgio)

gnu/packages/hardware.scm

@@ -188,7 +188,7 @@ sets, and tools to deal with register databases.")
               (map (lambda (target)
                      (apply invoke "make" target make-flags))
                    '("install.udev" "install.polkit")))))))
-    (native-inputs (list go-github-com-go-md2man))
+    (native-inputs (list go-md2man))
     (supported-systems
      (lset-difference string=? %supported-systems %hurd-systems))
     (home-page "https://gitlab.com/cameronnemo/brillo")

gnu/packages/printers.scm

@@ -82,7 +82,7 @@
      (list avahi libusb))
     (native-inputs
      (list go-github-com-openprinting-goipp
-           go-github-com-go-md2man
+           go-md2man
            pkg-config))
     (home-page "https://github.com/OpenPrinting/ipp-usb")
     (synopsis "HTTP reverse proxy, backed by the IPP-over-USB connection")

gnu/packages/virtualization.scm

@@ -2317,7 +2317,7 @@ main monitor/GPU.")
                  (invoke "make" "install" "install-bash" "install-man"
                          (string-append "PREFIX=" out)))))))))
     (native-inputs
-     (list go-github-com-go-md2man pkg-config))
+     (list go-md2man pkg-config))
     (inputs
      (list libseccomp))
     (synopsis "Open container initiative runtime")
@@ -2394,7 +2394,7 @@ Open Container Initiative (OCI) image layout and its tagged images.")
     (build-system gnu-build-system)
     (native-inputs
      (list go-1.22
-           go-github-com-go-md2man
+           go-md2man
            pkg-config))
     (inputs
      (list bash-minimal
@@ -2413,8 +2413,7 @@ Open Container Initiative (OCI) image layout and its tagged images.")
               "PREFIX="
               (string-append "DESTDIR=" #$output)
               "GOGCFLAGS=-trimpath"
-              (string-append "GOMD2MAN="
-                             #$go-github-com-go-md2man "/bin/go-md2man"))
+              (string-append "GOMD2MAN=" #$go-md2man "/bin/go-md2man"))
       #:tests? #f                       ; The tests require Docker
       #:test-target "test-unit"
       #:imported-modules