[enh] Upgrade script

conf/app.src

@@ -1,5 +1,5 @@
-SOURCE_URL=https://code.ffdn.org/FFDN/coin/archive/87a63df9409728e402301690a16aae2ad693c7ff.tar.gz
-SOURCE_FILENAME=coin-2017-04-08.tar.gz
+SOURCE_URL=https://code.ffdn.org/FFDN/coin/archive/b746cf1059cc3308e2e9e197a5e023522bf184ea.tar.gz
+SOURCE_FILENAME=coin-2017-07-31.tar.gz
 SOURCE_FORMAT=tar.gz
-SOURCE_SUM=be9c152a35bc45c14cb80bfb9d6912ecfaab001a669dc56e8a3ace45c199612c
+SOURCE_SUM=de3807acef0069043be5376860e8bbabbb4cb4697778d37a031aa15ccfbae2dc
 SOURCE_SUM_PRG=sha256sum

manifest.json

@@ -13,7 +13,7 @@
     "requirements": {
         "yunohost": ">> 2.5.0"
     },
-    "version": "20170408",
+    "version": "20170731",
     "multi_instance": "false",
     "services": [
         "nginx"

scripts/future.sh

@@ -1,3 +1,21 @@
+
+log() {
+  echo "${1}"
+}
+
+info() {
+  log "[INFO] ${1}"
+}
+
+warn() {
+  log "[WARN] ${1}"
+}
+
+err() {
+  log "[ERR] ${1}"
+}
+
+
 #======================================================================
 # data/helpers.d/package
 #======================================================================
@@ -170,3 +188,54 @@ ynh_setup_source () {
     fi
 
 }
+
+ynh_exit_properly () {  
+    exit_code=$?
+    if [ "$exit_code" -eq 0 ]; then
+            exit 0  
+    fi
+    trap '' EXIT
+    set +eu
+    echo -e "\e[91m \e[1m"  
+    err "$app script has encountered an error."
+
+    if type -t CLEAN_SETUP > /dev/null; then
+        CLEAN_SETUP
+    fi
+
+    ynh_die
+}
+
+# Activate signal capture
+# Exit if a command fail, and if a variable is used unset.
+# Capturing exit signals on shell script
+#
+# example: CLEAN_SETUP () {
+#             # Clean residual file un remove by remove script
+#          }
+#          ynh_trap_on
+ynh_trap_on () {
+    set -eu
+    trap ynh_exit_properly EXIT # Capturing exit signals on shell script
+}
+
+ynh_read_json () {
+    sudo python3 -c "import sys, json;print(json.load(open('$1'))['$2'])"
+}
+
+ynh_read_manifest () {
+    if [ -f '../manifest.json' ] ; then
+        ynh_read_json '../manifest.json' "$1"
+    else
+        ynh_read_json '../settings/manifest.json' "$1"
+    fi
+}
+
+ynh_exit_if_up_to_date () {
+    if [ "${version}" = "${last_version}" ]; then
+        info "Up-to-date, nothing to do"
+        exit 0
+    fi
+}
+
+

scripts/upgrade

@@ -1 +1,47 @@
 #!/bin/bash
+source /usr/share/yunohost/helpers
+source common.sh
+source future.sh
+
+export app=$YNH_APP_INSTANCE_NAME
+user=$app
+
+export domain=$(ynh_app_setting_get $app domain)
+export path=$(ynh_app_setting_get $app path)
+export admin=$(ynh_app_setting_get $app admin)
+export email=$(ynh_app_setting_get $app email)
+export isp_name=$(ynh_app_setting_get $app isp_name)
+export isp_site=$(ynh_app_setting_get $app isp_site)
+export secret=$(ynh_app_setting_get $app secret)
+version=$(ynh_read_json "/etc/yunohost/apps/$app/manifest.json" 'version' 2> /dev/null || echo '20170408')
+last_version=$(ynh_read_manifest 'version')
+
+ynh_exit_if_up_to_date
+ynh_check_var "$app" "app name not set"
+ynh_user_exists "$admin" || err "User does not exist: $admin"
+ynh_normalize_url_path "$path"
+
+#if [ "${version}" = "20170408" ]; then
+#fi
+
+# Copy files to the right place
+final_path=/opt/$app
+ynh_setup_source $final_path
+
+set +o nounset 
+source $final_path/venv/bin/activate
+set -o nounset
+$final_path/venv/bin/pip install -r $final_path/requirements.txt
+
+# Set permissions
+sudo useradd $app -d $final_path || echo "User already exists"
+sudo chown -R $app:www-data $final_path
+
+pushd $final_path
+$final_path/venv/bin/python manage.py migrate --noinput
+$final_path/venv/bin/python manage.py collectstatic --noinput
+popd 
+
+# Set permissions to directory
+sudo chown $app:www-data -R $final_path
+