hotfix: update deploy script

deploy.sh

@@ -1,43 +1,56 @@
 #!/bin/bash
+# exit when any command fails
+set -e
+
+# keep track of the last executed command
+trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG
+
+# echo an error message before exiting
+trap 'echo "\"${last_command}\" command filed with exit code $?."' EXIT
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 cd $DIR
 
 SSH_HOST=podcloud@barry.podshows.fr
 RELEASEN=$(date +%Y%m%d%H%M%S)
-BASE=/home/podcloud/production/services/feeds/
+BASE=/home/podcloud/production/services/feeds
 
 KEEP_RELEASES=2
 
 echo "Creating folders"
 
-ssh $SSH_HOST 'bash -s' <<'CMD'
+ssh $SSH_HOST BASE=$BASE 'bash -s' <<'CMD'
  mkdir -p $BASE/releases
 CMD
 
+exit_code=$?
+test $exit_code -ne 0 && exit($exit_code)
 echo "Creating release"
 rsync -avzPhc docker-compose.production.yml $SSH_HOST:$BASE/$RELEASEN/docker-compose.yml
 rsync -avzPhc config $SSH_HOST:$BASE/$RELEASEN/config
 
 ssh $SSH_HOST BASE=$BASE KEEP_RELEASES=$KEEP_RELEASES RELEASEN=$RELEASEN 'bash -s' <<'CMD'
-echo "Building release" &&
-cd $BASE/releases/$RELEASEN &&
-scale=$(sed -rn 's#[ \t]*([A-z_-]+):.*scale=([0-9]+)#\1=\2#p' docker-compose.yml) &&
-[ ! -z $scale ] && scale="--scale $scale" &&
+# exit when any command fails
+set -e
+
+echo "Building release"
+cd $BASE/releases/$RELEASEN
+scale=$(sed -rn 's#[ \t]*([A-z_-]+):.*scale=([0-9]+)#\1=\2#p' docker-compose.yml)
+[ ! -z $scale ] && scale="--scale $scale"
 
-docker-compose pull &&
-eval docker-compose up $scale -d --remove-orphans &&
+docker-compose pull
+eval docker-compose up $scale -d --remove-orphans
 
-echo "Linking release" &&
-ln -nfs $BASE/releases/$RELEASEN $BASE/current &&
+echo "Linking release"
+ln -nfs $BASE/releases/$RELEASEN $BASE/current
 
-echo "Cleaning old releases" &&
-cd $BASE/releases; &&
+echo "Cleaning old releases"
+cd $BASE/releases
 
-RELEASES=$(ls -d */ | sort -r);
-COUNT=$(echo "$RELEASES" | wc -l);
+RELEASES=$(ls -d */ | sort -r)
+COUNT=$(echo "$RELEASES" | wc -l)
 
-[ "$COUNT" -gt "$KEEP_RELEASES" ] && echo "$RELEASES" | tail -n -$(($COUNT-2)) | xargs rm -rvf;
+[ "$COUNT" -gt "$KEEP_RELEASES" ] && echo "$RELEASES" | tail -n -$(($COUNT-2)) | xargs rm -rvf
 fi
 CMD