my-custom-package.scm

(define-module (my-module)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix packages)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system cmake)
  #:use-module (guix utils))

(define-public my-custom-package
  (package
    (name "my-custom-package")
    (version "0.0.1")
    (source
      (origin
        (method git-fetch)
        (uri (git-reference
           (url "git@git.mydomain.com:path/to/my_custom_package.git")
	       (commit (string-append
			 "v" version))))
        (sha256
         (base32
          "1d6p22vk1b9v16q96mwaz9w2xr4ly28yamkh49md9gq67qfhhlyq"))))
    (build-system cmake-build-system)
    (arguments
      `(#:tests? #f))
    (home-page "https://mydomain.com")
    (synopsis "short info for my package")
    (description "extended details about my custom application.")
    (license license:gpl2+)))