gitk: Remove boilerplate for configuration variables

Signed-off-by: NMax Kirillov <max@max630.net>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

gitk

@@ -2777,23 +2777,11 @@ proc doprogupdate {} {
 }
 
 proc savestuff {w} {
-    global canv canv2 canv3 mainfont textfont uifont tabstop
-    global stuffsaved findmergefiles maxgraphpct
-    global maxwidth showneartags showlocalchanges
     global viewname viewfiles viewargs viewargscmd viewperm nextviewnum
-    global cmitmode wrapcomment datetimeformat limitdiffs
-    global colors uicolor bgcolor fgcolor diffcolors diffcontext selectbgcolor
-    global uifgcolor uifgdisabledcolor
-    global headbgcolor headfgcolor headoutlinecolor remotebgcolor
-    global tagbgcolor tagfgcolor tagoutlinecolor
-    global reflinecolor filesepbgcolor filesepfgcolor
-    global mergecolors foundbgcolor currentsearchhitbgcolor
-    global linehoverbgcolor linehoverfgcolor linehoveroutlinecolor circlecolors
-    global mainheadcirclecolor workingfilescirclecolor indexcirclecolor
-    global linkfgcolor circleoutlinecolor
-    global autoselect autosellen extdifftool perfile_attrs markbgcolor use_ttk
-    global hideremotes want_ttk maxrefs visiblerefs
+    global use_ttk
+    global stuffsaved
     global config_file config_file_tmp
+    global config_variables
 
     if {$stuffsaved} return
     if {![winfo viewable .]} return
@@ -2805,59 +2793,10 @@ proc savestuff {w} {
 	if {$::tcl_platform(platform) eq {windows}} {
 	    file attributes $config_file_tmp -hidden true
 	}
-	puts $f [list set mainfont $mainfont]
-	puts $f [list set textfont $textfont]
-	puts $f [list set uifont $uifont]
-	puts $f [list set tabstop $tabstop]
-	puts $f [list set findmergefiles $findmergefiles]
-	puts $f [list set maxgraphpct $maxgraphpct]
-	puts $f [list set maxwidth $maxwidth]
-	puts $f [list set cmitmode $cmitmode]
-	puts $f [list set wrapcomment $wrapcomment]
-	puts $f [list set autoselect $autoselect]
-	puts $f [list set autosellen $autosellen]
-	puts $f [list set showneartags $showneartags]
-	puts $f [list set maxrefs $maxrefs]
-	puts $f [list set visiblerefs $visiblerefs]
-	puts $f [list set hideremotes $hideremotes]
-	puts $f [list set showlocalchanges $showlocalchanges]
-	puts $f [list set datetimeformat $datetimeformat]
-	puts $f [list set limitdiffs $limitdiffs]
-	puts $f [list set uicolor $uicolor]
-	puts $f [list set want_ttk $want_ttk]
-	puts $f [list set bgcolor $bgcolor]
-	puts $f [list set fgcolor $fgcolor]
-	puts $f [list set uifgcolor $uifgcolor]
-	puts $f [list set uifgdisabledcolor $uifgdisabledcolor]
-	puts $f [list set colors $colors]
-	puts $f [list set diffcolors $diffcolors]
-	puts $f [list set mergecolors $mergecolors]
-	puts $f [list set markbgcolor $markbgcolor]
-	puts $f [list set diffcontext $diffcontext]
-	puts $f [list set selectbgcolor $selectbgcolor]
-	puts $f [list set foundbgcolor $foundbgcolor]
-	puts $f [list set currentsearchhitbgcolor $currentsearchhitbgcolor]
-	puts $f [list set extdifftool $extdifftool]
-	puts $f [list set perfile_attrs $perfile_attrs]
-	puts $f [list set headbgcolor $headbgcolor]
-	puts $f [list set headfgcolor $headfgcolor]
-	puts $f [list set headoutlinecolor $headoutlinecolor]
-	puts $f [list set remotebgcolor $remotebgcolor]
-	puts $f [list set tagbgcolor $tagbgcolor]
-	puts $f [list set tagfgcolor $tagfgcolor]
-	puts $f [list set tagoutlinecolor $tagoutlinecolor]
-	puts $f [list set reflinecolor $reflinecolor]
-	puts $f [list set filesepbgcolor $filesepbgcolor]
-	puts $f [list set filesepfgcolor $filesepfgcolor]
-	puts $f [list set linehoverbgcolor $linehoverbgcolor]
-	puts $f [list set linehoverfgcolor $linehoverfgcolor]
-	puts $f [list set linehoveroutlinecolor $linehoveroutlinecolor]
-	puts $f [list set mainheadcirclecolor $mainheadcirclecolor]
-	puts $f [list set workingfilescirclecolor $workingfilescirclecolor]
-	puts $f [list set indexcirclecolor $indexcirclecolor]
-	puts $f [list set circlecolors $circlecolors]
-	puts $f [list set linkfgcolor $linkfgcolor]
-	puts $f [list set circleoutlinecolor $circleoutlinecolor]
+	foreach var_name $config_variables {
+	    upvar #0 $var_name var
+	    puts $f [list set $var_name $var]
+	}
 
 	puts $f "set geometry(main) [wm geometry .]"
 	puts $f "set geometry(state) [wm state .]"
@@ -12171,6 +12110,19 @@ catch {
     source $config_file
 }
 
+set config_variables {
+    mainfont textfont uifont tabstop findmergefiles maxgraphpct maxwidth
+    cmitmode wrapcomment autoselect autosellen showneartags maxrefs visiblerefs
+    hideremotes showlocalchanges datetimeformat limitdiffs uicolor want_ttk
+    bgcolor fgcolor uifgcolor uifgdisabledcolor colors diffcolors mergecolors
+    markbgcolor diffcontext selectbgcolor foundbgcolor currentsearchhitbgcolor
+    extdifftool perfile_attrs headbgcolor headfgcolor headoutlinecolor
+    remotebgcolor tagbgcolor tagfgcolor tagoutlinecolor reflinecolor
+    filesepbgcolor filesepfgcolor linehoverbgcolor linehoverfgcolor
+    linehoveroutlinecolor mainheadcirclecolor workingfilescirclecolor
+    indexcirclecolor circlecolors linkfgcolor circleoutlinecolor
+}
+
 parsefont mainfont $mainfont
 eval font create mainfont [fontflags mainfont]
 eval font create mainfontbold [fontflags mainfont 1]