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02/40: import: opam: Fix conditions.


From: guix-commits
Subject: 02/40: import: opam: Fix conditions.
Date: Tue, 5 Feb 2019 16:34:52 -0500 (EST)

roptat pushed a commit to branch master
in repository guix.

commit 0f4432c620f8d569ef29ca74bad2b7eebd803441
Author: Julien Lepiller <address@hidden>
Date:   Fri Feb 1 15:58:12 2019 +0100

    import: opam: Fix conditions.
    
    * guix/import/opam.scm (condition-eq, condition-neq): The first argument
    can be empty.
    * tests/opam.scm: Add test case.
---
 guix/import/opam.scm | 4 ++--
 tests/opam.scm       | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/guix/import/opam.scm b/guix/import/opam.scm
index c254db5..6ffb16b 100644
--- a/guix/import/opam.scm
+++ b/guix/import/opam.scm
@@ -90,8 +90,8 @@
 (define-peg-pattern condition-lower all (and (ignore "<") (* SP) 
condition-string))
 (define-peg-pattern condition-and all (and condition-form2 (* SP) (? (ignore 
"&")) (* SP) condition-form))
 (define-peg-pattern condition-or all (and condition-form2 (* SP) (ignore "|") 
(* SP) condition-form))
-(define-peg-pattern condition-eq all (and condition-content (* SP) (ignore 
"=") (* SP) condition-content))
-(define-peg-pattern condition-neq all (and condition-content (* SP) (ignore 
(and "!" "=")) (* SP) condition-content))
+(define-peg-pattern condition-eq all (and (? condition-content) (* SP) (ignore 
"=") (* SP) condition-content))
+(define-peg-pattern condition-neq all (and (? condition-content) (* SP) 
(ignore (and "!" "=")) (* SP) condition-content))
 (define-peg-pattern condition-content body (or condition-string condition-var))
 (define-peg-pattern condition-content2 body (and condition-content (* SP) 
(not-followed-by (or "&" "=" "!"))))
 (define-peg-pattern condition-string all (and QUOTE (* STRCHR) QUOTE))
diff --git a/tests/opam.scm b/tests/opam.scm
index e0ec5ef..e8c0d15 100644
--- a/tests/opam.scm
+++ b/tests/opam.scm
@@ -192,6 +192,8 @@ url {
          ("{>= \"0.2.0\" | build}" . (condition-or
                                       (condition-greater-or-equal
                                         (condition-string "0.2.0"))
-                                      (condition-var "build"))))))
+                                      (condition-var "build")))
+         ("{ = \"1.0+beta19\" }" . (condition-eq
+                                     (condition-string "1.0+beta19"))))))
 
 (test-end "opam")



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