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authorLudovic Courtès <ludo@gnu.org>2017-12-18 22:33:51 +0100
committerLudovic Courtès <ludo@gnu.org>2017-12-18 23:17:30 +0100
commit3caab236c49012643ab46afd7e82a287ec413ee8 (patch)
tree53a3f2d81cd2db5aaa0cbb19321c3230170a64c0
parent147d42fc0362160baf50bdc71ab918c1e1db2f88 (diff)
downloadguix-3caab236c49012643ab46afd7e82a287ec413ee8.tar.gz
guix gc: '--verify=foo' is reported as an error.
Fixes <https://bugs.gnu.org/29761>.
Reported by Martin Castillo <castilma@uni-bremen.de>.

* guix/scripts/gc.scm (argument->verify-options): New procedure.
(%options) ["verify"]: Adjust to use it.
* tests/guix-gc.sh: Add test.
-rw-r--r--guix/scripts/gc.scm31
-rw-r--r--tests/guix-gc.sh3
2 files changed, 24 insertions, 10 deletions
diff --git a/guix/scripts/gc.scm b/guix/scripts/gc.scm
index 378a47d113..a31d2236b0 100644
--- a/guix/scripts/gc.scm
+++ b/guix/scripts/gc.scm
@@ -78,6 +78,21 @@ Invoke the garbage collector.\n"))
   (newline)
   (show-bug-report-information))
 
+(define argument->verify-options
+  (let ((not-comma (char-set-complement (char-set #\,)))
+        (validate  (lambda (option)
+                     (unless (memq option '(repair contents))
+                       (leave (G_ "~a: invalid '--verify' option~%")
+                              option)))))
+    (lambda (arg)
+      "Turn ARG into a list of symbols denoting '--verify' options."
+      (if arg
+          (let ((lst (map string->symbol
+                          (string-tokenize arg not-comma))))
+            (for-each validate lst)
+            lst)
+          '()))))
+
 (define %options
   ;; Specification of the command-line options.
   (list (option '(#\h "help") #f #f
@@ -112,16 +127,12 @@ Invoke the garbage collector.\n"))
                   (alist-cons 'action 'optimize
                               (alist-delete 'action result))))
         (option '("verify") #f #t
-                (let ((not-comma (char-set-complement (char-set #\,))))
-                  (lambda (opt name arg result)
-                    (let ((options (if arg
-                                       (map string->symbol
-                                            (string-tokenize arg not-comma))
-                                       '())))
-                      (alist-cons 'action 'verify
-                                  (alist-cons 'verify-options options
-                                              (alist-delete 'action
-                                                            result)))))))
+                (lambda (opt name arg result)
+                  (let ((options (argument->verify-options arg)))
+                    (alist-cons 'action 'verify
+                                (alist-cons 'verify-options options
+                                            (alist-delete 'action
+                                                          result))))))
         (option '("list-dead") #f #f
                 (lambda (opt name arg result)
                   (alist-cons 'action 'list-dead
diff --git a/tests/guix-gc.sh b/tests/guix-gc.sh
index 57c5e7dd61..efbc7e759c 100644
--- a/tests/guix-gc.sh
+++ b/tests/guix-gc.sh
@@ -39,6 +39,9 @@ do
     if guix gc $option whatever; then false; else true; fi
 done
 
+# This should fail.
+if guix gc --verify=foo; then false; else true; fi
+
 # Check the references of a .drv.
 drv="`guix build guile-bootstrap -d`"
 out="`guix build guile-bootstrap`"