New exep function which handels pipes and redirects properly

rework mayan backup and restore steps

seqs/mayan-edms.sh

@@ -150,15 +150,25 @@ user = mayan"
 step_20_info() { echo "Backup postgres database to media folder"; }
 step_20_alias() { ALIAS=backupdb; }
 step_20() {
-  echo "Backup with standard user / database: mayan / mayan"
+  local LASTYEAR=$(($(date +%Y)-1))
-  exe pg_dump -h 127.0.0.1 -U mayan -c mayan -W > ${toolMediaFolder}/`date +%Y-%m-%d"_"%H-%M-%S`.sql
+  if [ ! -s ~/.pgpass ] ; then
+    echo "[INFO] For unattended backup please define ~/.pgpass containing credentials for user mayan"
+  fi
+  echo "Backup custom pg format with standard user / database: mayan / mayan"
+  exep "pg_dump -h 127.0.0.1 -U mayan -Fc mayan | bzip2 -c > ${toolDbBackupFolder}/`date +%Y-%m-%d\"_\"%H-%M-%S`.backup.bz2"
+  exe rm -f ${toolDbBackupFolder}/${LASTYEAR}*
 }
+toolDbBackupFolder=${toolMediaFolder}/backupdb
+
 
 step_22_info() { echo "Postgres database restore"; }
 step_22() {
   echo "1. Create a empty postgres database first (step 4)"
   echo "2. psql -h <host> -U <database user> -d <database name> -W -f <sql dump file>"
   echo "   e.g.  psql -h 127.0.0.1 -U mayan -d mayan -W -f 2018-06-07_18-10-56.sql"
+  echo "or"
+  echo "3. Custom postgres format dump restore:"
+  echo "   pg_restore -h localhost -p 5432 -U mayan -d new_db -v \"10.70.0.61.backup\""
 }
 
 # Read postgres database information dbname/user/pass if empty

sequencer/sequencer.sh

@@ -365,7 +365,7 @@ showVersion() {
 }
 
 exe() {
-  arr=("$@")
+  local arr=("$@")
   if [ $DRY -ne 0 ] ; then
     echo -e "\n-- ${arr[@]}"
   elif [ $VERBOSE -eq 1 ] ; then
@@ -375,6 +375,18 @@ exe() {
   fi
 }
 
+# Handle dry run and verbose output for commands containing pipe and/or redirects
+# exep <COMMAND TO RUN AS STRING>
+exep() {
+  if [ $DRY -ne 0 ] || [ $VERBOSE -eq 1 ] ; then
+    echo -e "\n-- $1"
+  fi
+  if [ $DRY -eq 0 ] ; then 
+    bash -c "$1"
+  fi
+}
+
+
 main() {
   local START=0