[PATCH] fix listing values of variables with read hook in set command

[Andrey Borzenkov <arvidjaar@gmail.com>]

Variables with read hook may return valid value even before they are
explicitly set. Use grub_env_get() to fetch values to ensure hooks are
called.

Signed-off-by: Andrey Borzenkov <arvidjaar@gmail.com>

---
 ChangeLog                | 5 +++++
 grub-core/kern/corecmd.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index e2e38f3..e78c9f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-16  Andrey Borzenkov <arvidjaar@gmail.com>
+
+	* grub-core/kern/corecmd.c (grub_core_cmd_set): Use grub_env_get
+	to fetch values when listing.
+
 2013-05-15  Radosław Szymczyszyn  <lavrin@gmail.com>
 
 	* grub-core/partmap/dfly.c: New partition map.
diff --git a/grub-core/kern/corecmd.c b/grub-core/kern/corecmd.c
index e1bb483..54ad32a 100644
--- a/grub-core/kern/corecmd.c
+++ b/grub-core/kern/corecmd.c
@@ -40,7 +40,7 @@ grub_core_cmd_set (struct grub_command *cmd __attribute__ ((unused)),
     {
       struct grub_env_var *env;
       FOR_SORTED_ENV (env)
-	grub_printf ("%s=%s\n", env->name, env->value);
+	grub_printf ("%s=%s\n", env->name, grub_env_get (env->name));
       return 0;
     }
 
-- 
tg: (0a5312f..) u/list_env (depends on: master)