Enable tracing in hooks when DOKKU_TRACE is set.

This makes it much easier to debug plugins.
Also source the 'dokkurc' file when starting dokku. This makes it easy
to define DOKKU_TRACE over ssh.

dokku

@@ -1,7 +1,11 @@
 #!/usr/bin/env bash
-set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
-export PLUGIN_PATH=${PLUGIN_PATH:="/var/lib/dokku/plugins"}
+set -eo pipefail
 export DOKKU_ROOT=${DOKKU_ROOT:="/home/dokku"}
+export PLUGIN_PATH=${PLUGIN_PATH:="/var/lib/dokku/plugins"}
+
+[[ -f $DOKKU_ROOT/dokkurc ]] && source $DOKKU_ROOT/dokkurc
+
+[[ $DOKKU_TRACE ]] && set -x
 
 case "$1" in
   receive)

plugins/00_dokku-standard/commands

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 case "$1" in
   delete)
     if [[ -z $2 ]]; then

plugins/00_dokku-standard/install

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 
 sed -i 's/docker -d$/docker -d -r=true/' /etc/init/docker.conf
 

plugins/00_dokku-standard/post-delete

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 [[ -n $1 ]] && rm -r "$DOKKU_ROOT/$1" > /dev/null

plugins/config/commands

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 
 # Check if name is specified
 if [[ $1 == config ]] || [[ $1 == config:* ]]; then

plugins/git/commands

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 
 case "$1" in
   git-hook)

plugins/nginx-vhosts/commands

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 cat

plugins/nginx-vhosts/install

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 
 # latest stable NGINX 1.4.x with websocket support
 add-apt-repository -y ppa:nginx/stable

plugins/nginx-vhosts/post-delete

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
-set -eo pipefail
-sudo /etc/init.d/nginx reload > /dev/null
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+sudo /etc/init.d/nginx reload > /dev/null

plugins/nginx-vhosts/post-deploy

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -eo pipefail
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 APP="$1"; PORT="$2"
 WILDCARD_SSL="$DOKKU_ROOT/ssl"
 SSL="$DOKKU_ROOT/$APP/ssl"