From d9ae938f2c950f3bf1896fb07189c3e28b4d8029 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sat, 28 Mar 2015 21:26:33 +0100
Subject: gexp: Add 'local-file'.

* guix/gexp.scm (<local-file>): New record type.
  (local-file): New procedure.
  (local-file-compiler): New compiler.
  (gexp->sexp) <struct? thing>: Handle the case where 'lower' returns a
  file name.
  (text-file*): Update docstring.local-file doc
* tests/gexp.scm ("one local file", "gexp->derivation, local-file"): New
  tests.
* doc/guix.texi (G-Expressions): Mention local files early.  Document
  'local-file'.  Update 'text-file*' documentation.
---
 tests/gexp.scm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'tests/gexp.scm')

diff --git a/tests/gexp.scm b/tests/gexp.scm
index 0540969503..f81ef39860 100644
--- a/tests/gexp.scm
+++ b/tests/gexp.scm
@@ -97,6 +97,18 @@
                               %store (package-source coreutils))))
                  (gexp->sexp* exp)))))
 
+(test-assert "one local file"
+  (let* ((file  (search-path %load-path "guix.scm"))
+         (local (local-file file))
+         (exp   (gexp (display (ungexp local))))
+         (intd  (add-to-store %store (basename file) #t
+                              "sha256" file)))
+    (and (gexp? exp)
+         (match (gexp-inputs exp)
+           (((x "out"))
+            (eq? x local)))
+         (equal? `(display ,intd) (gexp->sexp* exp)))))
+
 (test-assert "same input twice"
   (let ((exp (gexp (begin
                      (display (ungexp coreutils))
@@ -336,6 +348,20 @@
     (mlet %store-monad ((drv mdrv))
       (return (string=? system (derivation-system drv))))))
 
+(test-assertm "gexp->derivation, local-file"
+  (mlet* %store-monad ((file ->  (search-path %load-path "guix.scm"))
+                       (intd     (interned-file file))
+                       (local -> (local-file file))
+                       (exp ->   (gexp (begin
+                                         (stat (ungexp local))
+                                         (symlink (ungexp local)
+                                                  (ungexp output)))))
+                       (drv      (gexp->derivation "local-file" exp)))
+    (mbegin %store-monad
+      (built-derivations (list drv))
+      (return (string=? (readlink (derivation->output-path drv))
+                        intd)))))
+
 (test-assertm "gexp->derivation, cross-compilation"
   (mlet* %store-monad ((target -> "mips64el-linux")
                        (exp    -> (gexp (list (ungexp coreutils)
-- 
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