Merge branch 'master' of https://github.com/j6t/git-gui

* 'master' of https://github.com/j6t/git-gui: (26 commits)
  git-gui: eliminate _search_exe
  git-gui: remove procs gitexec and _git_cmd
  git-gui: use dashless 'git cmd' form for read/write
  git-gui: default to full copy for linked worktrees
  git-gui: use git-clone
  git-gui: remove non-ttk code
  git-gui: remove ${NS} indirection for ttk
  git-gui: always use themed widgets from ttk
  git-gui: remove redundant check for Tk >= 8.5
  git-gui: remove unreachable Tk 8.4 code
  git-gui: remove unused git-version
  git-gui: use git_init to create new repository dir
  git-gui: git-remote is always available
  git-gui: git merge understands --strategy=recursive
  git-gui: git-diff knows submodules and textconv
  git-gui: git-blame understands -w and textconv
  git-gui: git rev-parse knows show_toplevel
  git-gui: use git-branch --show-current
  git-gui: git-diff-index always knows submodules
  git-gui: git ls-files knows --exclude-standard
  ...

git-gui/lib/branch_create.tcl

@@ -16,7 +16,7 @@ field opt_fetch     1; # refetch tracking branch if used?
 field reset_ok      0; # did the user agree to reset?
 
 constructor dialog {} {
-	global repo_config use_ttk NS
+	global repo_config
 
 	make_dialog top w
 	wm withdraw $w
@@ -25,39 +25,37 @@ constructor dialog {} {
 		wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
 	}
 
-	${NS}::label $w.header -text [mc "Create New Branch"] \
+	ttk::label $w.header -text [mc "Create New Branch"] \
 		-font font_uibold -anchor center
 	pack $w.header -side top -fill x
 
-	${NS}::frame $w.buttons
-	${NS}::button $w.buttons.create -text [mc Create] \
+	ttk::frame $w.buttons
+	ttk::button $w.buttons.create -text [mc Create] \
 		-default active \
 		-command [cb _create]
 	pack $w.buttons.create -side right
-	${NS}::button $w.buttons.cancel -text [mc Cancel] \
+	ttk::button $w.buttons.cancel -text [mc Cancel] \
 		-command [list destroy $w]
 	pack $w.buttons.cancel -side right -padx 5
 	pack $w.buttons -side bottom -fill x -pady 10 -padx 10
 
-	${NS}::labelframe $w.desc -text [mc "Branch Name"]
-	${NS}::radiobutton $w.desc.name_r \
+	ttk::labelframe $w.desc -text [mc "Branch Name"]
+	ttk::radiobutton $w.desc.name_r \
 		-text [mc "Name:"] \
 		-value user \
 		-variable @name_type
-	if {!$use_ttk} {$w.desc.name_r configure -anchor w}
 	set w_name $w.desc.name_t
-	${NS}::entry $w_name \
+	ttk::entry $w_name \
 		-width 40 \
 		-textvariable @name \
 		-validate key \
 		-validatecommand [cb _validate %d %S]
 	grid $w.desc.name_r $w_name -sticky we -padx {0 5}
 
-	${NS}::radiobutton $w.desc.match_r \
+	ttk::radiobutton $w.desc.match_r \
 		-text [mc "Match Tracking Branch Name"] \
 		-value match \
 		-variable @name_type
-	if {!$use_ttk} {$w.desc.match_r configure -anchor w}
 	grid $w.desc.match_r -sticky we -padx {0 5} -columnspan 2
 
 	grid columnconfigure $w.desc 1 -weight 1
@@ -66,34 +64,34 @@ constructor dialog {} {
 	set w_rev [::choose_rev::new $w.rev [mc "Starting Revision"]]
 	pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
 
-	${NS}::labelframe $w.options -text [mc Options]
+	ttk::labelframe $w.options -text [mc Options]
 
-	${NS}::frame $w.options.merge
-	${NS}::label $w.options.merge.l -text [mc "Update Existing Branch:"]
+	ttk::frame $w.options.merge
+	ttk::label $w.options.merge.l -text [mc "Update Existing Branch:"]
 	pack $w.options.merge.l -side left
-	${NS}::radiobutton $w.options.merge.no \
+	ttk::radiobutton $w.options.merge.no \
 		-text [mc No] \
 		-value none \
 		-variable @opt_merge
 	pack $w.options.merge.no -side left
-	${NS}::radiobutton $w.options.merge.ff \
+	ttk::radiobutton $w.options.merge.ff \
 		-text [mc "Fast Forward Only"] \
 		-value ff \
 		-variable @opt_merge
 	pack $w.options.merge.ff -side left
-	${NS}::radiobutton $w.options.merge.reset \
+	ttk::radiobutton $w.options.merge.reset \
 		-text [mc Reset] \
 		-value reset \
 		-variable @opt_merge
 	pack $w.options.merge.reset -side left
 	pack $w.options.merge -anchor nw
 
-	${NS}::checkbutton $w.options.fetch \
+	ttk::checkbutton $w.options.fetch \
 		-text [mc "Fetch Tracking Branch"] \
 		-variable @opt_fetch
 	pack $w.options.fetch -anchor nw
 
-	${NS}::checkbutton $w.options.checkout \
+	ttk::checkbutton $w.options.checkout \
 		-text [mc "Checkout After Creation"] \
 		-variable @opt_checkout
 	pack $w.options.checkout -anchor nw