22/23: gnu: Add rebar3-git-vsn.

[guix-commits]

htgoebel pushed a commit to branch master
in repository guix.

commit ffc18b87f9d34ef44a977af8c83d103ae5c56050
Author: Hartmut Goebel <h.goebel@crazy-compilers.com>
AuthorDate: Fri Jul 3 18:31:35 2020 +0200

    gnu: Add rebar3-git-vsn.
    
    * gnu/packages/erlang.scm (rebar3-git-vsn): New variable.
---
 gnu/packages/erlang.scm | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/gnu/packages/erlang.scm b/gnu/packages/erlang.scm
index 76e386baf2..5b93902f61 100644
--- a/gnu/packages/erlang.scm
+++ b/gnu/packages/erlang.scm
@@ -37,6 +37,7 @@
   #:use-module (gnu packages gl)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages perl)
+  #:use-module (gnu packages version-control)
   #:use-module (gnu packages tls)
   #:use-module (gnu packages wxwidgets))
 
@@ -647,3 +648,34 @@ of locations (git, hg, etc).")
     (description "This plugin provides support for handling non-OTP
 applications as a dependent libraries.")
     (license license:expat)))
+
+(define-public rebar3-git-vsn
+  (package
+    (name "rebar3-git-vsn")
+    (version "1.1.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (hexpm-uri "rebar3_git_vsn" version))
+        (sha256
+          (base32 "1dfz56034pa25axly9vqdzv3phkn8ll0qwrkws96pbgcprhky1hx"))))
+    (build-system rebar-build-system)
+    (inputs
+     (list git-minimal/fixed))
+    (arguments
+     `(;; Running the tests require binary artifact (tar-file containing
+       ;; samples git repos)  TODO: remove these from the source
+       #:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'patch-path
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((git (assoc-ref inputs "git-minimal")))
+               (substitute* "src/rebar3_git_vsn.erl"
+                 (("rebar_utils:sh\\(\"git " _)
+                  (string-append "rebar_utils:sh(\"" git "/bin/git ")))))))))
+    (home-page "https://github.com/soranoba/rebar3_git_vsn";)
+    (synopsis "Rebar3 plugin for generating the version from git")
+    (description "This plugin adds support for generating the version from
+a git checkout.")
+    (license license:expat)))