index: make the index file format extensible.

diff --git a/gitk b/gitk
index e1848cd528424b8d8df2d7646ad2e2d0860c40e2..87e71629afd4b2eca8d1c768bea0a20815405b2b 100755 (executable)
--- a/gitk
+++ b/gitk
@@ -1116,11 +1116,12 @@ proc layoutrows {row endrow last} {
 
 proc addextraid {id row} {
     global displayorder commitrow commitinfo
-    global commitidx
+    global commitidx commitlisted
     global parentlist childlist children
 
     incr commitidx
     lappend displayorder $id
+    lappend commitlisted 0
     lappend parentlist {}
     set commitrow($id) $row
     readcommit $id
@@ -1500,7 +1501,7 @@ proc drawcmittext {id row col rmx} {
 proc drawcmitrow {row} {
     global displayorder rowidlist
     global idrowranges idrangedrawn iddrawn
-    global commitinfo commitlisted parentlist numcommits
+    global commitinfo parentlist numcommits
 
     if {$row >= $numcommits} return
     foreach id [lindex $rowidlist $row] {
@@ -2700,7 +2701,7 @@ proc getmergediffline {mdf id np} {
        incr nextupdate 100
        fileevent $mdf readable {}
        update
-       fileevent $mdf readable [list getmergediffline $mdf $id]
+       fileevent $mdf readable [list getmergediffline $mdf $id $np]
     }
 }