[PATCH] Copy mergetool "bc3" as "bc4"

[Olivier Croquette <ocroquette@free.fr>]

Beyond compare 4 is out since september 2014. The CLI interface doesn't seem to have changed compared to the version 3.

Signed-off-by: Olivier Croquette <ocroquette@free.fr>
---
 mergetools/bc4 |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)
 create mode 100644 mergetools/bc4

diff --git a/mergetools/bc4 b/mergetools/bc4
new file mode 100644
index 0000000..b6319d2
--- /dev/null
+++ b/mergetools/bc4
@@ -0,0 +1,25 @@
+diff_cmd () {
+	"$merge_tool_path" "$LOCAL" "$REMOTE"
+}
+
+merge_cmd () {
+	touch "$BACKUP"
+	if $base_present
+	then
+		"$merge_tool_path" "$LOCAL" "$REMOTE" "$BASE" \
+			-mergeoutput="$MERGED"
+	else
+		"$merge_tool_path" "$LOCAL" "$REMOTE" \
+			-mergeoutput="$MERGED"
+	fi
+	check_unchanged
+}
+
+translate_merge_tool_path() {
+	if type bcomp >/dev/null 2>/dev/null
+	then
+		echo bcomp
+	else
+		echo bcompare
+	fi
+}
-- 
1.7.2.5