[bug#45921] [PATCH] New gnu/packages/lisp.scm buildapp

[Sharlatan Hellseher <sharlatanus@gmail.com>]

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Hello Guix team!

`pgloader` uses `buildapp` to produce binary, so here is a patch to
make it available. I've placed it to lisp.scm and not lisp-xyz.sxm as
it's not ASDF system but stand alone binary build with itself and
ASDF+SBCL

-- 
… наш разум - превосходная объяснительная машина которая способна
найти смысл почти в чем угодно, истолковать любой феномен, но
совершенно не в состоянии принять мысль о непредсказуемости.

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From 3b1f12cb045bdc41f50d42415423a5f4f232e131 Mon Sep 17 00:00:00 2001
From: Sharlatan Hellseher <sharlatanus@gmail.com>
Date: Sat, 16 Jan 2021 22:11:16 +0000
Subject: [PATCH] Add buildapp

* gnu/packages/lisp.scm (buildapp) new variable
---
 gnu/packages/lisp.scm | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index e357aad4e0..c8ab6bbbdb 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -17,6 +17,7 @@
 ;;; Copyright © 2019, 2020 Guillaume Le Vaillant <glv@posteo.net>
 ;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2020 Zhu Zihao <all_but_last@163.com>
+;;; Copyright © 2021 Sharlatan Hellseher <sharlatanus@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1126,3 +1127,42 @@ and make for REPLs that start blazing fast.
 @item It allows you to include arbitrary libraries.
 @end itemize\n")
     (license license:gpl3+)))
+
+(define-public buildapp
+  (package
+    (name "buildapp")
+    (version "1.5.6")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/xach/buildapp")
+                    (commit (string-append "release-" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "020ipjfqa3l8skd97cj5kq837wgpj28ygfxnkv64cnjrlbnzh161"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("sbcl" ,sbcl)))
+    (arguments
+     `(#:tests? #f
+       #:make-flags
+       (list (string-append "DESTDIR=" (assoc-ref %outputs "out")))
+       #:strip-binaries? #f
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (add-after 'unpack 'set-home
+           (lambda _
+             (setenv "HOME" "/tmp") #t))
+         (add-before 'install 'create-target-directory
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((bin (string-append (assoc-ref outputs "out") "/bin")))
+               (mkdir-p bin)
+               #t))))))
+    (home-page "https://www.xach.com/lisp/buildapp/")
+    (synopsis "Makes easy to build application executables with SBCL")
+    (description
+     "Buildapp is an application for SBCL or CCL that configures and saves an
+executable Common Lisp image.  It is similar to cl-launch and hu.dwim.build. ")
+    (license license:bsd-2)))
-- 
2.30.0