Merge branch 'maint' of git://repo.or.cz/git-gui into maint

* 'maint' of git://repo.or.cz/git-gui:
  git-gui: Disable native platform text selection in "lists"
  git-gui: Paper bag fix "Commit->Revert" format arguments
  git-gui: Provide 'uninstall' Makefile target to undo an installation
  git-gui: Font chooser to handle a large number of font families
  git-gui: Make backporting changes from i18n version easier
  git-gui: Don't delete send on Windows as it doesn't exist
  git-gui: Trim trailing slashes from untracked submodule names
  git-gui: Assume untracked directories are Git submodules
  git-gui: handle "deleted symlink" diff marker
  git-gui: show unstaged symlinks in diff viewer
  git-gui: Avoid use of libdir in Makefile
  git-gui: Disable Tk send in all git-gui sessions
  git-gui: lib/index.tcl: handle files with % in the filename properly
  git-gui: Properly set the state of "Stage/Unstage Hunk" action
  git-gui: Fix detaching current branch during checkout
  git-gui: Correct starting of git-remote to handle -w option

6 files changed, 224 insertions, 27 deletions

diff --git a/git-gui/lib/browser.tcl b/git-gui/lib/browser.tcl
index 888db3c88..31349009a 100644
--- a/git-gui/lib/browser.tcl
+++ b/git-gui/lib/browser.tcl
@@ -47,9 +47,7 @@ constructor new {commit {path {}}} {
 		-width 70 \
 		-xscrollcommand [list $w.list.sbx set] \
 		-yscrollcommand [list $w.list.sby set]
-	$w_list tag conf in_sel \
-		-background [$w_list cget -foreground] \
-		-foreground [$w_list cget -background]
+	rmsel_tag $w_list
 	scrollbar $w.list.sbx -orient h -command [list $w_list xview]
 	scrollbar $w.list.sby -orient v -command [list $w_list yview]
 	pack $w.list.sbx -side bottom -fill x
diff --git a/git-gui/lib/checkout_op.tcl b/git-gui/lib/checkout_op.tcl
index 170f737f6..76f04f285 100644
--- a/git-gui/lib/checkout_op.tcl
+++ b/git-gui/lib/checkout_op.tcl
@@ -396,7 +396,7 @@ method _after_readtree {} {
 			set is_detached 0
 		}
 	} else {
-		if {$new_hash ne $HEAD} {
+		if {!$is_detached || $new_hash ne $HEAD} {
 			append log " to $new_expr"
 			if {[catch {
 					_detach_HEAD $log $new_hash
diff --git a/git-gui/lib/choose_font.tcl b/git-gui/lib/choose_font.tcl
new file mode 100644
index 000000000..0c4051b37
--- /dev/null
+++ b/git-gui/lib/choose_font.tcl
@@ -0,0 +1,166 @@
+# git-gui font chooser
+# Copyright (C) 2007 Shawn Pearce
+
+class choose_font {
+
+field w
+field w_family    ; # UI widget of all known family names
+field w_example   ; # Example to showcase the chosen font
+
+field f_family    ; # Currently chosen family name
+field f_size      ; # Currently chosen point size
+
+field v_family    ; # Name of global variable for family
+field v_size      ; # Name of global variable for size
+
+variable all_families [list]  ; # All fonts known to Tk
+
+constructor pick {path title a_family a_size} {
+	variable all_families
+
+	set v_family $a_family
+	set v_size $a_size
+
+	upvar #0 $v_family pv_family
+	upvar #0 $v_size pv_size
+
+	set f_family $pv_family
+	set f_size $pv_size
+
+	make_toplevel top w
+	wm title $top "[appname] ([reponame]): $title"
+	wm geometry $top "+[winfo rootx $path]+[winfo rooty $path]"
+
+	label $w.header -text $title -font font_uibold
+	pack $w.header -side top -fill x
+
+	frame $w.buttons
+	button $w.buttons.select \
+		-text [mc Select] \
+		-default active \
+		-command [cb _select]
+	button $w.buttons.cancel \
+		-text [mc Cancel] \
+		-command [list destroy $w]
+	pack $w.buttons.select -side right
+	pack $w.buttons.cancel -side right -padx 5
+	pack $w.buttons -side bottom -fill x -pady 10 -padx 10
+
+	frame $w.inner
+
+	frame $w.inner.family
+	label $w.inner.family.l \
+		-text [mc "Font Family"] \
+		-anchor w
+	set w_family $w.inner.family.v
+	text $w_family \
+		-background white \
+		-borderwidth 1 \
+		-relief sunken \
+		-cursor $::cursor_ptr \
+		-wrap none \
+		-width 30 \
+		-height 10 \
+		-yscrollcommand [list $w.inner.family.sby set]
+	rmsel_tag $w_family
+	scrollbar $w.inner.family.sby -command [list $w_family yview]
+	pack $w.inner.family.l -side top -fill x
+	pack $w.inner.family.sby -side right -fill y
+	pack $w_family -fill both -expand 1
+
+	frame $w.inner.size
+	label $w.inner.size.l \
+		-text [mc "Font Size"] \
+		-anchor w
+	spinbox $w.inner.size.v \
+		-textvariable @f_size \
+		-from 2 -to 80 -increment 1 \
+		-width 3
+	bind $w.inner.size.v <FocusIn> {%W selection range 0 end}
+	pack $w.inner.size.l -fill x -side top
+	pack $w.inner.size.v -fill x -padx 2
+
+	grid configure $w.inner.family $w.inner.size -sticky nsew
+	grid rowconfigure $w.inner 0 -weight 1
+	grid columnconfigure $w.inner 0 -weight 1
+	pack $w.inner -fill both -expand 1 -padx 5 -pady 5
+
+	frame $w.example
+	label $w.example.l \
+		-text [mc "Font Example"] \
+		-anchor w
+	set w_example $w.example.t
+	text $w_example \
+		-background white \
+		-borderwidth 1 \
+		-relief sunken \
+		-height 3 \
+		-width 40
+	rmsel_tag $w_example
+	$w_example tag conf example -justify center
+	$w_example insert end [mc "This is example text.\nIf you like this text, it can be your font."] example
+	$w_example conf -state disabled
+	pack $w.example.l -fill x
+	pack $w_example -fill x
+	pack $w.example -fill x -padx 5
+
+	if {$all_families eq {}} {
+		set all_families [lsort [font families]]
+	}
+
+	$w_family tag conf pick
+	$w_family tag bind pick <Button-1> [cb _pick_family %x %y]\;break
+	foreach f $all_families {
+		set sel [list pick]
+		if {$f eq $f_family} {
+			lappend sel in_sel
+		}
+		$w_family insert end "$f\n" $sel
+	}
+	$w_family conf -state disabled
+	_update $this
+
+	trace add variable @f_size write [cb _update]
+	bind $w <Key-Escape> [list destroy $w]
+	bind $w <Key-Return> [cb _select]\;break
+	bind $w <Visibility> "
+		grab $w
+		focus $w
+	"
+	tkwait window $w
+}
+
+method _select {} {
+	upvar #0 $v_family pv_family
+	upvar #0 $v_size pv_size
+
+	set pv_family $f_family
+	set pv_size $f_size
+
+	destroy $w
+}
+
+method _pick_family {x y} {
+	variable all_families
+
+	set i [lindex [split [$w_family index @$x,$y] .] 0]
+	set n [lindex $all_families [expr {$i - 1}]]
+	if {$n ne {}} {
+		$w_family tag remove in_sel 0.0 end
+		$w_family tag add in_sel $i.0 [expr {$i + 1}].0
+		set f_family $n
+		_update $this
+	}
+}
+
+method _update {args} {
+	variable all_families
+
+	set i [lsearch -exact $all_families $f_family]
+	if {$i < 0} return
+
+	$w_example tag conf example -font [list $f_family $f_size]
+	$w_family see [expr {$i + 1}].0
+}
+
+}
diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl
index e09e1257e..694834ab7 100644
--- a/git-gui/lib/diff.tcl
+++ b/git-gui/lib/diff.tcl
@@ -84,12 +84,30 @@ proc show_diff {path w {lno {}}} {
 	#
 	if {$m eq {_O}} {
 		set max_sz [expr {128 * 1024}]
+		set type unknown
 		if {[catch {
-				set fd [open $path r]
-				fconfigure $fd -eofchar {}
-				set content [read $fd $max_sz]
-				close $fd
-				set sz [file size $path]
+				set type [file type $path]
+				switch -- $type {
+				directory {
+					set type submodule
+					set content {}
+					set sz 0
+				}
+				link {
+					set content [file readlink $path]
+					set sz [string length $content]
+				}
+				file {
+					set fd [open $path r]
+					fconfigure $fd -eofchar {}
+					set content [read $fd $max_sz]
+					close $fd
+					set sz [file size $path]
+				}
+				default {
+					error "'$type' not supported"
+				}
+				}
 			} err ]} {
 			set diff_active 0
 			unlock_index
@@ -98,7 +116,9 @@ proc show_diff {path w {lno {}}} {
 			return
 		}
 		$ui_diff conf -state normal
-		if {![catch {set type [exec file $path]}]} {
+		if {$type eq {submodule}} {
+			$ui_diff insert end "* Git Repository (subproject)\n" d_@
+		} elseif {![catch {set type [exec file $path]}]} {
 			set n [string length $path]
 			if {[string equal -length $n $path $type]} {
 				set type [string range $type $n end]
@@ -198,6 +218,7 @@ proc read_diff {fd} {
 		if {[string match {mode *} $line]
 			|| [string match {new file *} $line]
 			|| [string match {deleted file *} $line]
+			|| [string match {deleted symlink} $line]
 			|| [string match {Binary files * and * differ} $line]
 			|| $line eq {\ No newline at end of file}
 			|| [regexp {^\* Unmerged path } $line]} {
diff --git a/git-gui/lib/index.tcl b/git-gui/lib/index.tcl
index f47f9290c..44689ab63 100644
--- a/git-gui/lib/index.tcl
+++ b/git-gui/lib/index.tcl
@@ -13,7 +13,8 @@ proc update_indexinfo {msg pathList after} {
 	if {$batch > 25} {set batch 25}
 
 	ui_status [format \
-		"$msg... %i/%i files (%.2f%%)" \
+		"%s... %i/%i files (%.2f%%)" \
+		$msg \
 		$update_index_cp \
 		$totalCnt \
 		0.0]
@@ -68,7 +69,8 @@ proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
 	}
 
 	ui_status [format \
-		"$msg... %i/%i files (%.2f%%)" \
+		"%s... %i/%i files (%.2f%%)" \
+		$msg \
 		$update_index_cp \
 		$totalCnt \
 		[expr {100.0 * $update_index_cp / $totalCnt}]]
@@ -86,7 +88,8 @@ proc update_index {msg pathList after} {
 	if {$batch > 25} {set batch 25}
 
 	ui_status [format \
-		"$msg... %i/%i files (%.2f%%)" \
+		"%s... %i/%i files (%.2f%%)" \
+		$msg \
 		$update_index_cp \
 		$totalCnt \
 		0.0]
@@ -145,7 +148,8 @@ proc write_update_index {fd pathList totalCnt batch msg after} {
 	}
 
 	ui_status [format \
-		"$msg... %i/%i files (%.2f%%)" \
+		"%s... %i/%i files (%.2f%%)" \
+		$msg \
 		$update_index_cp \
 		$totalCnt \
 		[expr {100.0 * $update_index_cp / $totalCnt}]]
@@ -163,7 +167,8 @@ proc checkout_index {msg pathList after} {
 	if {$batch > 25} {set batch 25}
 
 	ui_status [format \
-		"$msg... %i/%i files (%.2f%%)" \
+		"%s... %i/%i files (%.2f%%)" \
+		$msg \
 		$update_index_cp \
 		$totalCnt \
 		0.0]
@@ -218,7 +223,8 @@ proc write_checkout_index {fd pathList totalCnt batch msg after} {
 	}
 
 	ui_status [format \
-		"$msg... %i/%i files (%.2f%%)" \
+		"%s... %i/%i files (%.2f%%)" \
+		$msg \
 		$update_index_cp \
 		$totalCnt \
 		[expr {100.0 * $update_index_cp / $totalCnt}]]
diff --git a/git-gui/lib/option.tcl b/git-gui/lib/option.tcl
index aa9f783af..063f5df6f 100644
--- a/git-gui/lib/option.tcl
+++ b/git-gui/lib/option.tcl
@@ -255,17 +255,23 @@ proc do_options {} {
 
 		frame $w.global.$name
 		label $w.global.$name.l -text "$text:"
-		pack $w.global.$name.l -side left -anchor w -fill x
-		eval tk_optionMenu $w.global.$name.family \
-			global_config_new(gui.$font^^family) \
-			$all_fonts
-		spinbox $w.global.$name.size \
-			-textvariable global_config_new(gui.$font^^size) \
-			-from 2 -to 80 -increment 1 \
-			-width 3
-		bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
-		pack $w.global.$name.size -side right -anchor e
-		pack $w.global.$name.family -side right -anchor e
+		button $w.global.$name.b \
+			-text [mc "Change Font"] \
+			-command [list \
+				choose_font::pick \
+				$w \
+				[mc "Choose %s" $text] \
+				global_config_new(gui.$font^^family) \
+				global_config_new(gui.$font^^size) \
+				]
+		label $w.global.$name.f -textvariable global_config_new(gui.$font^^family)
+		label $w.global.$name.s -textvariable global_config_new(gui.$font^^size)
+		label $w.global.$name.pt -text [mc "pt."]
+		pack $w.global.$name.l -side left -anchor w
+		pack $w.global.$name.b -side right -anchor e
+		pack $w.global.$name.pt -side right -anchor w
+		pack $w.global.$name.s -side right -anchor w
+		pack $w.global.$name.f -side right -anchor w
 		pack $w.global.$name -side top -anchor w -fill x
 	}