From ce1460dd98185f80db479c7dc7ca19026149a255 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Thu, 24 Dec 2015 00:37:32 +0100
Subject: Add support for changing the `diff` command via an environment
 variable

While the file arguments remain fixed the actual `diff` application and its output style can be changed using the `CHANGE_LOG_DIFF_CMD` environment variable.
---
 src/tracking/change_tracker.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/tracking/change_tracker.h')

diff --git a/src/tracking/change_tracker.h b/src/tracking/change_tracker.h
index 54af4f7..24251e5 100644
--- a/src/tracking/change_tracker.h
+++ b/src/tracking/change_tracker.h
@@ -11,6 +11,7 @@ namespace tracking {
 
 class ChangeTracker {
 	public:
+		ChangeTracker(utility::Logger*, const std::string&);
 		ChangeTracker(utility::Logger*);
 		~ChangeTracker();
 
@@ -19,6 +20,7 @@ class ChangeTracker {
 		bool track(const std::string&);
 
 	private:
+		const std::string      diff_cmd_;
 		utility::Logger* const logger_;
 
 		std::unordered_map<
-- 
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