Merge branch 'maint' of git://git.spearce.org/git-gui into maint

* 'maint' of git://git.spearce.org/git-gui:
  git-gui: work from the .git dir
  git-gui: Fix applying a line when all following lines are deletions
  git-gui: Correct file_states when unstaging partly staged entry
  git-gui: Fix gitk for branch whose name matches local file
  git-gui: Keep repo_config(gui.recentrepos) and .gitconfig in sync
  git-gui: handle really long error messages in updateindex.
  git-gui: Add hotkeys for "Unstage from commit" and "Revert changes"
  git-gui: Makefile: consolidate .FORCE-* targets

git-gui/lib/choose_repository.tcl

@@ -235,6 +235,8 @@ proc _get_recentrepos {} {
 	foreach p [get_config gui.recentrepo] {
 		if {[_is_git [file join $p .git]]} {
 			lappend recent $p
+		} else {
+			_unset_recentrepo $p
 		}
 	}
 	return [lsort $recent]
@@ -243,6 +245,7 @@ proc _get_recentrepos {} {
 proc _unset_recentrepo {p} {
 	regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
 	git config --global --unset gui.recentrepo "^$p\$"
+	load_config 1
 }
 
 proc _append_recentrepos {path} {
@@ -261,6 +264,7 @@ proc _append_recentrepos {path} {
 
 	lappend recent $path
 	git config --global --add gui.recentrepo $path
+	load_config 1
 
 	while {[llength $recent] > 10} {
 		_unset_recentrepo [lindex $recent 0]

git-gui/lib/diff.tcl

@@ -664,6 +664,7 @@ proc apply_line {x y} {
 		}
 		set i_l $next_l
 	}
+	set patch "$patch$pre_context"
 	set patch "@@ -$hln,$n +$hln,[eval expr $n $sign 1] @@\n$patch"
 
 	if {[catch {

git-gui/lib/index.tcl

@@ -14,29 +14,31 @@ proc _close_updateindex {fd after} {
 		toplevel $w
 		wm title $w [strcat "[appname] ([reponame]): " [mc "Index Error"]]
 		wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-		pack [label $w.msg \
-			-justify left \
-			-anchor w \
-			-text [strcat \
-				[mc "Updating the Git index failed.  A rescan will be automatically started to resynchronize git-gui."] \
-				"\n\n$err"] \
-			] -anchor w
+		set s [mc "Updating the Git index failed.  A rescan will be automatically started to resynchronize git-gui."]
+		text $w.msg -yscrollcommand [list $w.vs set] \
+			-width [string length $s] -relief flat \
+			-borderwidth 0 -highlightthickness 0 \
+			-background [$w cget -background]
+		$w.msg tag configure bold -font font_uibold -justify center
+		scrollbar $w.vs -command [list $w.msg yview]
+		$w.msg insert end $s bold \n\n$err {}
+		$w.msg configure -state disabled
 
-		frame $w.buttons
-		button $w.buttons.continue \
+		button $w.continue \
 			-text [mc "Continue"] \
 			-command [list destroy $w]
-		pack $w.buttons.continue -side right -padx 5
-		button $w.buttons.unlock \
+		button $w.unlock \
 			-text [mc "Unlock Index"] \
 			-command "destroy $w; _delete_indexlock"
-		pack $w.buttons.unlock -side right
-		pack $w.buttons -side bottom -fill x -pady 10 -padx 10
+		grid $w.msg - $w.vs -sticky news
+		grid $w.unlock $w.continue - -sticky se -padx 2 -pady 2
+		grid columnconfigure $w 0 -weight 1
+		grid rowconfigure $w 0 -weight 1
 
 		wm protocol $w WM_DELETE_WINDOW update
-		bind $w.buttons.continue <Visibility> "
+		bind $w.continue <Visibility> "
 			grab $w
-			focus $w.buttons.continue
+			focus %W
 		"
 		tkwait window $w