Merge branch 'maint'

* maint:
  git-gui: Focus insertion point at end of strings in repository chooser
  git-gui: Avoid hardcoded Windows paths in Cygwin package files
  git-gui: Default TCL_PATH to same location as TCLTK_PATH
  git-gui: Paper bag fix error dialogs opening over the main window

Makefile

@@ -92,8 +92,12 @@ ifndef V
 	REMOVE_F1 = && echo '   ' REMOVE `basename "$$dst"` && $(RM_RF) "$$dst"
 endif
 
-TCL_PATH   ?= tclsh
 TCLTK_PATH ?= wish
+ifeq (./,$(dir $(TCLTK_PATH)))
+	TCL_PATH ?= $(subst wish,tclsh,$(TCLTK_PATH))
+else
+	TCL_PATH ?= $(dir $(TCLTK_PATH))$(notdir $(subst wish,tclsh,$(TCLTK_PATH)))
+endif
 
 ifeq ($(uname_S),Darwin)
 	TKFRAMEWORK = /Library/Frameworks/Tk.framework/Resources/Wish.app
@@ -127,7 +131,17 @@ GITGUI_MACOSXAPP :=
 
 ifeq ($(uname_O),Cygwin)
 	GITGUI_SCRIPT := `cygpath --windows --absolute "$(GITGUI_SCRIPT)"`
-	gg_libdir_sed_in := $(shell cygpath --windows --absolute "$(gg_libdir)")
+
+	# Is this a Cygwin Tcl/Tk binary?  If so it knows how to do
+	# POSIX path translation just like cygpath does and we must
+	# keep libdir in POSIX format so Cygwin packages of git-gui
+	# work no matter where the user installs them.
+	#
+	ifeq ($(shell echo 'puts [file normalize /]' | '$(TCL_PATH_SQ)'),$(shell cygpath --mixed --absolute /))
+		gg_libdir_sed_in := $(gg_libdir)
+	else
+		gg_libdir_sed_in := $(shell cygpath --windows --absolute "$(gg_libdir)")
+	endif
 else
 	ifeq ($(exedir),$(gg_libdir))
 		GITGUI_RELATIVE := 1

lib/choose_repository.tcl

@@ -11,6 +11,7 @@ field w_quit      ; # Quit button
 field o_cons      ; # Console object (if active)
 field w_types     ; # List of type buttons in clone
 field w_recentlist ; # Listbox containing recent repositories
+field w_localpath  ; # Entry widget bound to local_path
 
 field done              0 ; # Finished picking the repository?
 field local_path       {} ; # Where this repository is locally
@@ -385,6 +386,7 @@ method _do_new {} {
 	button $w_body.where.b \
 		-text [mc "Browse"] \
 		-command [cb _new_local_path]
+	set w_localpath $w_body.where.t
 
 	pack $w_body.where.b -side right
 	pack $w_body.where.l -side left
@@ -416,6 +418,7 @@ method _new_local_path {} {
 		return
 	}
 	set local_path $p
+	$w_localpath icursor end
 }
 
 method _do_new2 {} {
@@ -481,6 +484,7 @@ method _do_clone {} {
 		-text [mc "Browse"] \
 		-command [cb _new_local_path]
 	grid $args.where_l $args.where_t $args.where_b -sticky ew
+	set w_localpath $args.where_t
 
 	label $args.type_l -text [mc "Clone Type:"]
 	frame $args.type_f

lib/error.tcl

@@ -2,7 +2,11 @@
 # Copyright (C) 2006, 2007 Shawn Pearce
 
 proc _error_parent {} {
-	return [grab current .]
+	set p [grab current .]
+	if {$p eq {}} {
+		return .
+	}
+	return $p
 }
 
 proc error_popup {msg} {