Merge git://repo.or.cz/git-gui

* git://repo.or.cz/git-gui:
  git-gui: Correct encoding of glossary/fr.po to UTF-8
  git-gui: Consolidate hook execution code into a single function
  git-gui: Correct window title for hook failure dialogs
  git-gui: Honor the standard commit-msg hook

git-gui/git-gui.sh

@@ -438,6 +438,34 @@ proc git_write {args} {
 	return [open [concat $opt $cmdp $args] w]
 }
 
+proc githook_read {hook_name args} {
+	set pchook [gitdir hooks $hook_name]
+	lappend args 2>@1
+
+	# On Cygwin [file executable] might lie so we need to ask
+	# the shell if the hook is executable.  Yes that's annoying.
+	#
+	if {[is_Cygwin]} {
+		upvar #0 _sh interp
+		if {![info exists interp]} {
+			set interp [_which sh]
+		}
+		if {$interp eq {}} {
+			error "hook execution requires sh (not in PATH)"
+		}
+
+		set scr {if test -x "$1";then exec "$@";fi}
+		set sh_c [list | $interp -c $scr $interp $pchook]
+		return [_open_stdout_stderr [concat $sh_c $args]]
+	}
+
+	if {[file executable $pchook]} {
+		return [_open_stdout_stderr [concat [list | $pchook] $args]]
+	}
+
+	return {}
+}
+
 proc sq {value} {
 	regsub -all ' $value "'\\''" value
 	return "'$value'"