From bd657023d6da9fbc60b64d4b53db005f347dc874 Mon Sep 17 00:00:00 2001
From: Paul Cristian Sarbu <paul.cristian.sarbu@huawei.com>
Date: Mon, 27 Feb 2023 10:34:27 +0100
Subject: Logging: Add --log-append clarg to just

---
 src/buildtool/common/cli.hpp | 5 +++++
 src/buildtool/main/main.cpp  | 6 ++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/buildtool/common/cli.hpp b/src/buildtool/common/cli.hpp
index 46e8a7c9..865ef500 100644
--- a/src/buildtool/common/cli.hpp
+++ b/src/buildtool/common/cli.hpp
@@ -45,6 +45,7 @@ struct LogArguments {
     std::vector<std::filesystem::path> log_files{};
     LogLevel log_limit{kDefaultLogLevel};
     bool plain_log{false};
+    bool log_append{false};
 };
 
 /// \brief Arguments required for analysing targets.
@@ -201,6 +202,10 @@ static inline auto SetupLogArguments(
     app->add_flag("--plain-log",
                   clargs->plain_log,
                   "Do not use ANSI escape sequences to highlight messages.");
+    app->add_flag(
+        "--log-append",
+        clargs->log_append,
+        "Append messages to log file instead of overwriting existing.");
 }
 
 static inline auto SetupAnalysisArguments(
diff --git a/src/buildtool/main/main.cpp b/src/buildtool/main/main.cpp
index 3e23cf63..d3911bf1 100644
--- a/src/buildtool/main/main.cpp
+++ b/src/buildtool/main/main.cpp
@@ -288,8 +288,10 @@ void SetupLogging(LogArguments const& clargs) {
     LogConfig::SetLogLimit(clargs.log_limit);
     LogConfig::SetSinks({LogSinkCmdLine::CreateFactory(not clargs.plain_log)});
     for (auto const& log_file : clargs.log_files) {
-        LogConfig::AddSink(
-            LogSinkFile::CreateFactory(log_file, LogSinkFile::Mode::Overwrite));
+        LogConfig::AddSink(LogSinkFile::CreateFactory(
+            log_file,
+            clargs.log_append ? LogSinkFile::Mode::Append
+                              : LogSinkFile::Mode::Overwrite));
     }
 }
 
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