Update script show_binlog

Adjustment to allow correct display with 8.0.x
when using without '--master' or outside replication

Author: datacharmer

CHANGELOG.md

@@ -1,3 +1,11 @@
+## 1.71.0	11-Dec-2022
+
+## ADJUSTMENTS
+
+* Update code of `show_binlog` script to find the right binary log
+  with version 8.0.x, when used without `--master` outside replication.
+
+
 ## 1.70.0	31-Oct-2022
 
 ## NEW FEATURES

common/VERSION

@@ -1 +1 @@
-1.70.0
+1.71.0

sandbox/templates/single/show_binlog.gotxt

@@ -13,13 +13,22 @@ then
     exit 1
 fi
 
+base='mysql-bin'
+if [  "$MYSQL_VERSION_MAJOR" == "8" ]
+then
+    if [ -f ./data/binlog.index ]
+    then
+        base="binlog"
+    fi
+fi
+
 pattern=$1
 [ -z "$pattern" ] && pattern='[0-9]*'
 function get_help {
     exit_code=$1
     [ -z "$exit_code" ] && exit_code=0
     echo "# Usage: $0 [BINLOG_PATTERN] "
-    echo "# Where BINLOG_PATTERN is a number, or part of a number used after 'mysql-bin'"
+    echo "# Where BINLOG_PATTERN is a number, or part of a number used after '${base}'"
     echo "# (The default is '[0-9]*]')"
     echo "# examples:"
     echo "#          ./show_binlog 000001 | less "
@@ -33,7 +42,7 @@ then
     get_help 0
 fi
 # set -x
-last_binlog=$(ls -lotr data/mysql-bin.$pattern | tail -n 1 | awk '{print $NF}')
+last_binlog=$(ls -lotr data/${base}.${pattern} | tail -n 1 | awk '{print $NF}')
 
 if [ -z "$last_binlog" ]
 then