[PATCH] mergetools: implemented new mergetool file for ExamDiff

[Jacob Nisnevich <jacob.nisnevich@gmail.com>]

Signed-off-by: Jacob Nisnevich <jacob.nisnevich@gmail.com>
---
 mergetools/examdiff           | 20 ++++++++++++++++++++
 mergetools/mergetools_helpers | 24 ++++++++++++++++++++++++
 mergetools/winmerge           | 23 +++--------------------
 3 files changed, 47 insertions(+), 20 deletions(-)
 create mode 100644 mergetools/examdiff
 create mode 100644 mergetools/mergetools_helpers

diff --git a/mergetools/examdiff b/mergetools/examdiff
new file mode 100644
index 0000000..c5edd0e
--- /dev/null
+++ b/mergetools/examdiff
@@ -0,0 +1,20 @@
+. "$MERGE_TOOLS_DIR/mergetools_helpers"
+
+diff_cmd () {
+	"$merge_tool_path" "$LOCAL" "$REMOTE" -nh
+}
+
+merge_cmd () {
+	touch "$BACKUP"
+	if $base_present
+	then
+		"$merge_tool_path" -merge "$LOCAL" "$BASE" "$REMOTE" -o:"$MERGED" -nh
+	else
+		"$merge_tool_path" -merge "$LOCAL" "$REMOTE" -o:"$MERGED" -nh
+	fi
+	check_unchanged
+}
+
+translate_merge_tool_path() {
+	mergetool_find_win32_cmd "ExamDiff.com" "ExamDiff Pro"
+}
diff --git a/mergetools/mergetools_helpers b/mergetools/mergetools_helpers
new file mode 100644
index 0000000..46ae2d8
--- /dev/null
+++ b/mergetools/mergetools_helpers
@@ -0,0 +1,24 @@
+mergetool_find_win32_cmd () {
+	executable=$1
+	folder=$2
+
+	# Use executable.com if it exists in $PATH
+	if type -p $executable >/dev/null 2>&1
+	then
+		printf $executable
+		return
+	fi
+
+	# Look for executable in the typical locations
+	for directory in $(env | grep -Ei '^PROGRAM(FILES(\(X86\))?|W6432)=' |
+		cut -d '=' -f 2- | sort -u)
+	do
+		if test -n "$directory" && test -x "$directory/$folder/$executable"
+		then
+			printf '%s' "$directory/$folder/$executable"
+			return
+		fi
+	done
+
+	printf $executable
+}
diff --git a/mergetools/winmerge b/mergetools/winmerge
index 74a66d4..c785be8 100644
--- a/mergetools/winmerge
+++ b/mergetools/winmerge
@@ -1,3 +1,5 @@
+. "$MERGE_TOOLS_DIR/mergetools_helpers"
+
 diff_cmd () {
 	"$merge_tool_path" -u -e "$LOCAL" "$REMOTE"
 	return 0
@@ -13,24 +15,5 @@ merge_cmd () {
 }
 
 translate_merge_tool_path() {
-	# Use WinMergeU.exe if it exists in $PATH
-	if type -p WinMergeU.exe >/dev/null 2>&1
-	then
-		printf WinMergeU.exe
-		return
-	fi
-
-	# Look for WinMergeU.exe in the typical locations
-	winmerge_exe="WinMerge/WinMergeU.exe"
-	for directory in $(env | grep -Ei '^PROGRAM(FILES(\(X86\))?|W6432)=' |
-		cut -d '=' -f 2- | sort -u)
-	do
-		if test -n "$directory" && test -x "$directory/$winmerge_exe"
-		then
-			printf '%s' "$directory/$winmerge_exe"
-			return
-		fi
-	done
-
-	printf WinMergeU.exe
+	mergetool_find_win32_cmd "WinMergeU.exe" "WinMerge"
 }
-- 
1.9.1