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authorAdrian Kummerlaender2015-12-24 00:37:32 +0100
committerAdrian Kummerlaender2015-12-24 00:37:32 +0100
commitce1460dd98185f80db479c7dc7ca19026149a255 (patch)
tree1936a524076c93511c23cc640466a8f5a26443e2 /src/tracking
parentf47dc6ba1a17052ad4dde1d685772b83f23a8477 (diff)
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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.
Diffstat (limited to 'src/tracking')
-rw-r--r--src/tracking/change_tracker.cc11
-rw-r--r--src/tracking/change_tracker.h2
2 files changed, 11 insertions, 2 deletions
diff --git a/src/tracking/change_tracker.cc b/src/tracking/change_tracker.cc
index 913604e..9bbdcb6 100644
--- a/src/tracking/change_tracker.cc
+++ b/src/tracking/change_tracker.cc
@@ -24,10 +24,14 @@ boost::process::context getDefaultContext() {
namespace tracking {
-ChangeTracker::ChangeTracker(utility::Logger* logger):
+ChangeTracker::ChangeTracker(utility::Logger* logger, const std::string& diff_cmd):
+ diff_cmd_(diff_cmd),
logger_(logger),
children_() { }
+ChangeTracker::ChangeTracker(utility::Logger* logger):
+ ChangeTracker(logger, "diff -p") { }
+
ChangeTracker::~ChangeTracker() {
for ( auto&& tracked : this->children_ ) {
std::get<DIFF_PROCESS>(tracked)->get_stdin().close();
@@ -70,7 +74,10 @@ bool ChangeTracker::track(const std::string& file_path) {
auto result = this->children_.emplace(
file_path,
std::make_unique<boost::process::child>(
- boost::process::launch_shell("diff -p - " + file_path, getDefaultContext())
+ boost::process::launch_shell(
+ this->diff_cmd_ + " - " + file_path,
+ getDefaultContext()
+ )
)
);
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<