From c45ac0925da55a38446a025f240d4e7891911c58 Mon Sep 17 00:00:00 2001
From: Thomas Meyer <tompmeyer@gmail.com>
Date: Sun, 24 Sep 2017 05:45:13 -0700
Subject: [PATCH] Determine real log_error path.

Determines real log_error path if mysql variable not set or file
is relative and does not exist in current working directory.
Otherwise return back original value.
---
 mysqltuner.pl | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/mysqltuner.pl b/mysqltuner.pl
index d1c5cfb..e06d17e 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -1148,7 +1148,26 @@ sub get_basic_passwords {
     return get_file_contents(shift);
 }
 
+sub get_log_file_real_path {
+    my $file = shift;
+    my $hostname = shift;
+    my $datadir = shift;
+    if ( -f "$file" ) {
+        return $file;
+    }
+    elsif ( -f "$hostname.err" ) {
+        return "$hostname.err"
+    }
+    elsif ( $datadir ne "" ) {
+        return "$datadir$hostname.err";
+    }
+    else {
+        return $file;
+    }
+}
+
 sub log_file_recommandations {
+    $myvar{'log_error'} = get_log_file_real_path( $myvar{'log_error'}, $myvar{'hostname'}, $myvar{'datadir'} );
     subheaderprint "Log file Recommendations";
     infoprint "Log file: "
       . $myvar{'log_error'} . "("