[PATCH] gitk: Teach "Reread references" to reload tags

[David Aguilar <davvid@xxxxxxxxx>]

Tag contents, once read, are forever cached in memory.
This makes gitk unable to notice when tag contents change.

Allow users to cause a reload of the tag contents by using
the "File->Reread references" action.

Reported-by: Tim McCormack <cortex@xxxxxxxxxxxxxxx>
Suggested-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: David Aguilar <davvid@xxxxxxxxx>
---
 gitk |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/gitk b/gitk
index 9bba9aa..a124822 100755
--- a/gitk
+++ b/gitk
@@ -10599,7 +10599,7 @@ proc movedhead {hid head} {
 }
 
 proc changedrefs {} {
-    global cached_dheads cached_dtags cached_atags
+    global cached_dheads cached_dtags cached_atags tagcontents
     global arctags archeads arcnos arcout idheads idtags
 
     foreach id [concat [array names idheads] [array names idtags]] {
@@ -10611,6 +10611,7 @@ proc changedrefs {} {
 	    }
 	}
     }
+    catch {unset tagcontents}
     catch {unset cached_dtags}
     catch {unset cached_atags}
     catch {unset cached_dheads}
-- 
1.7.7.2.448.gee6df

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