Remove mysqldump prompt, add --all-databases, and make --databases or --all-databases required to do mysqldump (Schema section).

bin/pt-mysql-summary

@@ -963,7 +963,7 @@ get_mysqldump_for () {
    $CMD_MYSQLDUMP $EXT_ARGV --no-data --skip-comments \
       --skip-add-locks --skip-add-drop-table --compact \
       --skip-lock-all-tables --skip-lock-tables --skip-set-charset \
-      ${args} --databases $( local IFS=,; echo ${dbtodump})
+      ${args} --databases $(local IFS=,; echo ${dbtodump})
 }
 
 get_mysqldump_args () {
@@ -2243,24 +2243,14 @@ report_mysql_summary () {
    fi
 
    section "Schema"
-   local reply="n"
-   if [ "${OPT_DATABASES}" ] || [ "${OPT_READ_SAMPLES}" ] \
-      || [ -e "$dir/mysqldump" -a -s "$dir/mysqldump" ]; then
-      reply="y"
-   elif [ -t 0 -a -t 1 ]; then
-      echo -n "Would you like to mysqldump -d the schema and analyze it? y/n "
-      read reply
-      reply=${reply:-n}
-   fi
-   if echo "${reply:-n}" | grep -i '^y' > /dev/null ; then
-      if [ -z "${OPT_DATABASES}" ] && [ -z "$OPT_READ_SAMPLES" ] \
-         && [ ! -e "$dir/mysqldump" ]; then
-         echo "There are ${num_dbs} databases.  Would you like to dump all, or just one?"
-         echo -n "Type the name of the database, or press Enter to dump all of them. "
-         local dbtodump=""
-         read dbtodump
-         local trg_arg="$( get_mysqldump_args "$dir/mysql-variables" )"
-         get_mysqldump_for "${trg_arg}" "${dbtodump}" > "$dir/mysqldump"
+   if    [ "${OPT_DATABASES}" ] \
+      || [ "${OPT_ALL_DATABASES}" ] \
+      || [ "${OPT_READ_SAMPLES}" ]; then
+
+      if [ -z "$OPT_READ_SAMPLES" ]; then 
+         local trg_arg="$(get_mysqldump_args "$dir/mysql-variables")"
+         local dbstodump="${OPT_DATABASES:-""}"
+         get_mysqldump_for "${trg_arg}" "${OPT_DATABASES}" > "$dir/mysqldump"
       fi
 
       if [ -e "$dir/mysqldump" -a -s "$dir/mysqldump" ] \
@@ -2273,7 +2263,7 @@ report_mysql_summary () {
          echo "Skipping schema analysis due to apparent error in dump file"
       fi
    else
-      echo "Skipping schema analysis"
+      echo "Specify --databases or --all-databases to dump and summarize schemas"
    fi
 
    section "Noteworthy Technologies"
@@ -2731,10 +2721,6 @@ the percentage of the cache in use and the hit-to-insert ratio. The latter two
 are fuzzy-rounded.
 
   # Schema #####################################################
-  Would you like to mysqldump -d the schema and analyze it? y/n y
-  There are 4 databases.  Would you like to dump all, or just one?
-  Type the name of the database, or press Enter to dump all of them. 
-
     Database           Tables Views SPs Trigs Funcs   FKs Partn
     mysql                  24                                  
     performance_schema     17                                  
@@ -2765,16 +2751,10 @@ are fuzzy-rounded.
     performance_schema               5          16          33    
     sakila               1  15   1   3       4   3  19      42  26
 
-If you select to dump the schema and analyze it, the tool will print the above
-section. This summarizes the number and type of objects in the database. It is
-generated by running C<mysqldump --no-data>, not by querying the
-INFORMATION_SCHEMA, which can freeze a busy server. You can use the
-L<"--databases"> option to specify which databases to examine.  If you do not,
-and you run the tool interactively, it will prompt you as shown.
-
-You can choose not to dump the schema, to dump all of the databases, or to dump
-only a single named one, by specifying the appropriate options. In the example
-above, we are dumping all databases.
+If you specify L<"--databases"> or L<"--all-databases">, the tool will print
+the above section. This summarizes the number and type of objects in the
+databases. It is generated by running C<mysqldump --no-data>, not by querying
+the INFORMATION_SCHEMA, which can freeze a busy server.
 
 The first sub-report in the section is the count of objects by type in each
 database: tables, views, and so on. The second one shows how many tables use
@@ -2949,6 +2929,10 @@ All options after -- are passed to C<mysql>.
 
 =over
 
+=item --all-databases
+
+C<mysqldump> and summarize all L<"--databases">.
+
 =item --config
 
 type: string
@@ -2960,9 +2944,8 @@ first option on the command line.
 
 type: string
 
-Names of databases to summarize. If you want all of them, you can use the value
-C<--all-databases>; you can also pass in a comma-separated list of database
-names. If not provided, the program will ask you for manual input.
+C<mysqldump> and summarize this comma-separated list of databases.  Specify
+L<"--all-databases"> instead if you want to dump and summary all databases.
 
 =item --defaults-file