From 5bed2ab42c4f1a820468f7005ce62e39001f6611 Mon Sep 17 00:00:00 2001
From: Russell Yanofsky <russ@yanofsky.org>
Date: Sun, 18 Apr 2021 19:05:03 -0400
Subject: Move common logging start code to init/common

---
 src/init.cpp        | 33 +++------------------------------
 src/init/common.cpp | 37 +++++++++++++++++++++++++++++++++++++
 src/init/common.h   |  1 +
 3 files changed, 41 insertions(+), 30 deletions(-)

diff --git a/src/init.cpp b/src/init.cpp
index 5708588e50..35c989d4e9 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1122,38 +1122,11 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
         // Detailed error printed inside CreatePidFile().
         return false;
     }
-    if (LogInstance().m_print_to_file) {
-        if (args.GetBoolArg("-shrinkdebugfile", LogInstance().DefaultShrinkDebugFile())) {
-            // Do this first since it both loads a bunch of debug.log into memory,
-            // and because this needs to happen before any other debug.log printing
-            LogInstance().ShrinkDebugFile();
-        }
-    }
-    if (!LogInstance().StartLogging()) {
-            return InitError(strprintf(Untranslated("Could not open debug log file %s"),
-                LogInstance().m_file_path.string()));
-    }
-
-    if (!LogInstance().m_log_timestamps)
-        LogPrintf("Startup time: %s\n", FormatISO8601DateTime(GetTime()));
-    LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
-    LogPrintf("Using data directory %s\n", GetDataDir().string());
-
-    // Only log conf file usage message if conf file actually exists.
-    fs::path config_file_path = GetConfigFile(args.GetArg("-conf", BITCOIN_CONF_FILENAME));
-    if (fs::exists(config_file_path)) {
-        LogPrintf("Config file: %s\n", config_file_path.string());
-    } else if (args.IsArgSet("-conf")) {
-        // Warn if no conf file exists at path provided by user
-        InitWarning(strprintf(_("The specified config file %s does not exist"), config_file_path.string()));
-    } else {
-        // Not categorizing as "Warning" because it's the default behavior
-        LogPrintf("Config file: %s (not found, skipping)\n", config_file_path.string());
+    if (!init::StartLogging(args)) {
+        // Detailed error printed inside StartLogging().
+        return false;
     }
 
-    // Log the config arguments to debug.log
-    args.LogArgs();
-
     LogPrintf("Using at most %i automatic connections (%i file descriptors available)\n", nMaxConnections, nFD);
 
     // Warn about relative -datadir path.
diff --git a/src/init/common.cpp b/src/init/common.cpp
index d905fecdd8..35776080dc 100644
--- a/src/init/common.cpp
+++ b/src/init/common.cpp
@@ -115,4 +115,41 @@ void SetLoggingCategories(const ArgsManager& args)
         }
     }
 }
+
+bool StartLogging(const ArgsManager& args)
+{
+    if (LogInstance().m_print_to_file) {
+        if (args.GetBoolArg("-shrinkdebugfile", LogInstance().DefaultShrinkDebugFile())) {
+            // Do this first since it both loads a bunch of debug.log into memory,
+            // and because this needs to happen before any other debug.log printing
+            LogInstance().ShrinkDebugFile();
+        }
+    }
+    if (!LogInstance().StartLogging()) {
+            return InitError(strprintf(Untranslated("Could not open debug log file %s"),
+                LogInstance().m_file_path.string()));
+    }
+
+    if (!LogInstance().m_log_timestamps)
+        LogPrintf("Startup time: %s\n", FormatISO8601DateTime(GetTime()));
+    LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
+    LogPrintf("Using data directory %s\n", GetDataDir().string());
+
+    // Only log conf file usage message if conf file actually exists.
+    fs::path config_file_path = GetConfigFile(args.GetArg("-conf", BITCOIN_CONF_FILENAME));
+    if (fs::exists(config_file_path)) {
+        LogPrintf("Config file: %s\n", config_file_path.string());
+    } else if (args.IsArgSet("-conf")) {
+        // Warn if no conf file exists at path provided by user
+        InitWarning(strprintf(_("The specified config file %s does not exist"), config_file_path.string()));
+    } else {
+        // Not categorizing as "Warning" because it's the default behavior
+        LogPrintf("Config file: %s (not found, skipping)\n", config_file_path.string());
+    }
+
+    // Log the config arguments to debug.log
+    args.LogArgs();
+
+    return true;
+}
 } // namespace init
diff --git a/src/init/common.h b/src/init/common.h
index 58e33cfd1c..91a7282d10 100644
--- a/src/init/common.h
+++ b/src/init/common.h
@@ -21,6 +21,7 @@ bool SanityChecks();
 void AddLoggingArgs(ArgsManager& args);
 void SetLoggingOptions(const ArgsManager& args);
 void SetLoggingCategories(const ArgsManager& args);
+bool StartLogging(const ArgsManager& args);
 } // namespace init
 
 #endif // BITCOIN_INIT_COMMON_H
-- 
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