Merge tag 'gitgui-0.18.0' of git://repo.or.cz/git-gui

git-gui 0.18.0

* tag 'gitgui-0.18.0' of git://repo.or.cz/git-gui:
  git-gui 0.18
  git-gui: avoid an error message when removing the last remote
  git-gui: fix file name handling with non-empty prefix
  git-gui: bring wish process to front on Mac
  git-gui: change dialog button positions for Windows to suit platform.
  git-gui: allow "\ No newline at end of file" for linewise staging
  git-gui: fix the mergetool launcher for the Beyond Compare tool.
  Makefile: replace "echo 1>..." with "echo >..."
  French translation: copy -> copie.
  git-gui: Fix parsing of <rev> <path-which-not-present-in-worktree>

git-gui/git-gui.sh

@@ -135,6 +135,20 @@ proc strcat {args} {
 ::msgcat::mcload $oguimsg
 unset oguimsg
 
+######################################################################
+##
+## On Mac, bring the current Wish process window to front
+
+if {[tk windowingsystem] eq "aqua"} {
+	catch {
+		exec osascript -e [format {
+			tell application "System Events"
+				set frontmost of processes whose unix id is %d to true
+			end tell
+		} [pid]]
+	}
+}
+
 ######################################################################
 ##
 ## read only globals
@@ -3003,18 +3017,11 @@ blame {
 	set jump_spec {}
 	set is_path 0
 	foreach a $argv {
-		if {[file exists $a]} {
-			if {$path ne {}} usage
-			set path [normalize_relpath $a]
-			break
-		} elseif {[file exists $_prefix$a]} {
-			if {$path ne {}} usage
-			set path [normalize_relpath $_prefix$a]
-			break
-		}
+		set p [file join $_prefix $a]
 
-		if {$is_path} {
+		if {$is_path || [file exists $p]} {
 			if {$path ne {}} usage
+			set path [normalize_relpath $p]
 			break
 		} elseif {$a eq {--}} {
 			if {$path ne {}} {