fixup! gitk: fix another invocation with an overly long command-line

This was an ugly hack, and in preparation for fixing it the right way,
we revert this hack.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

gitk-git/gitk

@@ -406,7 +406,7 @@ proc start_rev_list {view} {
 	if {$revs eq {}} {
 	    return 0
 	}
-	set args [limit_arg_length [concat $vflags($view) $revs]]
+	set args [concat $vflags($view) $revs]
     } else {
 	set args $vorigargs($view)
     }
@@ -10177,7 +10177,18 @@ proc getallcommits {} {
 	}
     }
     if {$ids ne {}} {
-	set cmd [limit_arg_length [concat $cmd $ids]]
+	set cmd [concat $cmd $ids]
+	# The maximum command line length for the CreateProcess function is 32767 characters, see
+	# http://blogs.msdn.com/oldnewthing/archive/2003/12/10/56028.aspx
+	# Be a little conservative in case Tcl adds some more stuff to the command line we do not
+	# know about and truncate the command line at a SHA1-boundary below 32000 characters.
+	if {[tk windowingsystem] == "win32" &&
+		[string length $cmd] > 32000} {
+	    set ndx [string last " " $cmd 32000]
+	    if {$ndx != -1} {
+		set cmd [string range $cmd 0 $ndx]
+	    }
+	}
 	set fd [open $cmd r]
 	fconfigure $fd -blocking 0
 	incr allcommits
@@ -10188,21 +10199,6 @@ proc getallcommits {} {
     }
 }
 
-# The maximum command line length for the CreateProcess function is 32767 characters, see
-# http://blogs.msdn.com/oldnewthing/archive/2003/12/10/56028.aspx
-# Be a little conservative in case Tcl adds some more stuff to the command line we do not
-# know about and truncate the command line at a SHA1-boundary below 32000 characters.
-proc limit_arg_length {cmd} {
-    if {[tk windowingsystem] == "win32" &&
-       [string length $cmd] > 32000} {
-        set ndx [string last " " $cmd 32000]
-        if {$ndx != -1} {
-            return [string range $cmd 0 $ndx]
-        }
-    }
-    return $cmd
-}
-
 # Since most commits have 1 parent and 1 child, we group strings of
 # such commits into "arcs" joining branch/merge points (BMPs), which
 # are commits that either don't have 1 parent or don't have 1 child.