gitk: Fix file list context menu for merge commits

Currently it displays an ugly error box, because the treediffs array
is not filled for such commits.  This fixes it by making
getmergediffline add the filenames it sees to the treediffs array
like gettreediffline does.

Signed-off-by: Alexander Gavrilov <angavrilov@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/gitk b/gitk
index 5830941b7a9649505e668dd03ae2fe79aeb585be..f6a3e10d8ee6084c81d284234c61cb92b830e523 100755 (executable)
--- a/gitk
+++ b/gitk
@@ -6418,7 +6418,7 @@ proc getblobline {bf id} {
 
 proc mergediff {id} {
     global diffmergeid mdifffd
-    global diffids
+    global diffids treediffs
     global parents
     global diffcontext
     global diffencoding
@@ -6426,6 +6426,7 @@ proc mergediff {id} {
 
     set diffmergeid $id
     set diffids $id
+    set treediffs($id) {}
     # this doesn't seem to actually affect anything...
     set cmd [concat | git diff-tree --no-commit-id --cc -U$diffcontext $id]
     if {$limitdiffs && $vfilelimit($curview) ne {}} {
@@ -6445,7 +6446,7 @@ proc mergediff {id} {
 
 proc getmergediffline {mdf id np} {
     global diffmergeid ctext cflist mergemax
-    global difffilestart mdifffd
+    global difffilestart mdifffd treediffs
     global diffencoding
 
     $ctext conf -state normal
@@ -6462,6 +6463,7 @@ proc getmergediffline {mdf id np} {
            $ctext insert end "\n"
            set here [$ctext index "end - 1c"]
            lappend difffilestart $here
+           lappend treediffs($id) $fname
            add_flist [list $fname]
            set diffencoding [get_path_encoding $fname]
            set l [expr {(78 - [string length $fname]) / 2}]