[PATCH 3/3] mergetool--lib: Add TortoiseMerge as a tool

[Alexey Shumkin <alex.crezoff@gmail.com>]

Also added Russian translation of the added error message
"%s cannot be used without a base"

Signed-off-by: Alexey Shumkin <Alex.Crezoff@gmail.com>
---
 git-gui/lib/mergetool.tcl | 10 ++++++++++
 git-gui/po/ru.po          |  4 ++++
 2 files changed, 14 insertions(+)

diff --git a/git-gui/lib/mergetool.tcl b/git-gui/lib/mergetool.tcl
index 837ce17..d978770 100644
--- a/git-gui/lib/mergetool.tcl
+++ b/git-gui/lib/mergetool.tcl
@@ -257,6 +257,16 @@ proc merge_resolve_tool2 {} {
 			set cmdline [list "$merge_tool_path" -o "$MERGED" "$LOCAL" "$REMOTE"]
 		}
 	}
+	tortoisemerge {
+		if {$base_stage ne {}} {
+			set cmdline [list "$merge_tool_path" \
+				-base:$BASE -mine:$LOCAL \
+				-theirs:$REMOTE -merged:$MERGED]
+		} else {
+			error_popup [mc "%s cannot be used without a base" "TortoiseMerge"]
+			return
+		}
+	}
 	vimdiff {
 		error_popup [mc "Not a GUI merge tool: '%s'" $tool]
 		return
diff --git a/git-gui/po/ru.po b/git-gui/po/ru.po
index ca4343b..e9ef810 100644
--- a/git-gui/po/ru.po
+++ b/git-gui/po/ru.po
@@ -1948,6 +1948,10 @@ msgstr "Конфликтующий файл не существует"
 msgid "Not a GUI merge tool: '%s'"
 msgstr "'%s' не является программой слияния"
 
+#: lib/mergetool.tcl:280
+msgid "%s cannot be used without a base"
+msgstr "%s не может использоваться без базовой версии"
+
 #: lib/mergetool.tcl:268
 #, tcl-format
 msgid "Unsupported merge tool '%s'"
-- 
1.8.1.1.10.g9255f3f