refactor show_info(), make it only depend on variables

Author: nacho

changelog.md

@@ -1,5 +1,7 @@
 
-[v0.26.17](https://github.com/nextcloud/nextcloudpi/commit/a7bfd17) (2017-09-07) ncp-web: link to changelog
+[v0.26.18](https://github.com/nextcloud/nextcloudpi/commit/a4144dc) (2017-09-07) refactor show_info(), make it only depend on variables
+
+[v0.26.17](https://github.com/nextcloud/nextcloudpi/commit/0197f31) (2017-09-07) ncp-web: link to changelog
 
 [v0.26.16](https://github.com/nextcloud/nextcloudpi/commit/e3d07fb) (2017-09-06) added sendmail and mail configuration
 

etc/library.sh

@@ -220,15 +220,17 @@ function launch_script()
   )
 }
 
+# show an info box for a script if the INFO variable is set in the script
 function info_script()
 {
   (
     local SCRIPT=$1
     cd /usr/local/etc/nextcloudpi-config.d/ || return 1
-    unset show_info
+    unset show_info INFO INFOTITLE
     source ./"$SCRIPT"
-    [[ $( type -t show_info ) == function ]] || return 0
-    [[ $( type -t show_info ) == function ]] && show_info 
+    local INFOTITLE="${INFOTITLE:-Info}"
+    [[ "$INFO" == "" ]] && return 0
+    whiptail --yesno --backtitle "NextCloudPi configuration" --title "$INFOTITLE" "$INFO" 20 90
   )
 }
 

etc/nextcloudpi-config.d/NFS.sh

@@ -20,6 +20,13 @@ USER_=www-data
 GROUP_=www-data
 DESCRIPTION="NFS network file system server (for Linux LAN)"
 
+INFOTITLE="Instructions for external synchronization"
+INFO="If we intend to modify the data folder through NFS,
+then we have to synchronize NextCloud to make it aware of the changes.
+
+This can be done manually or automatically using 'nc-scan' and 'nc-scan-auto' 
+from 'nextcloudpi-config'" 
+
 install()
 {
   apt-get update
@@ -61,18 +68,6 @@ Alias=portmap
 EOF
 }
 
-show_info()
-{
-  whiptail --yesno \
-           --backtitle "NextCloudPi configuration" \
-           --title "Instructions for external synchronization" \
-"If we intend to modify the data folder through NFS,
-then we have to synchronize NextCloud to make it aware of the changes. \n
-This can be done manually or automatically using 'nc-scan' and 'nc-scan-auto' 
-from 'nextcloudpi-config'" \
-  20 90
-}
-
 configure()
 {
   [[ $ACTIVE_ != "yes" ]] && { 

etc/nextcloudpi-config.d/dnsmasq.sh

@@ -19,14 +19,7 @@ DNSSERVER_=8.8.8.8
 CACHESIZE_=150 
 DESCRIPTION="DNS server with cache"
 
-show_info()
-{
-  whiptail --yesno \
-           --backtitle "NextCloudPi configuration" \
-           --title "Info" \
-"Remember to point your PC and devices DNS to your Raspberry Pi IP" \
-  20 90
-}
+INFO="Remember to point your PC and devices DNS to your Raspberry Pi IP" 
 
 install()
 {

etc/nextcloudpi-config.d/letsencrypt.sh

@@ -22,26 +22,19 @@ VHOSTCFG=/etc/apache2/sites-available/nextcloud.conf
 VHOSTCFG2=/etc/apache2/sites-available/ncp.conf
 DESCRIPTION="Automatic signed SSL certificates"
 
+INFOTITLE="Warning"
+INFO="Internet access is required for this configuration to complete
+Both ports 80 and 443 need to be accessible from the internet
+ 
+Your certificate will be automatically renewed every month"
+
 install()
 {
   cd /etc || return 1
   git clone https://github.com/letsencrypt/letsencrypt
   /etc/letsencrypt/letsencrypt-auto --help # do not actually run certbot, only install packages
 }
 
-show_info()
-{
-  whiptail --yesno \
-           --backtitle "NextCloudPi configuration" \
-           --title "Warning" \
-"Internet access is required for this configuration to complete
-Both ports 80 and 443 need to be accessible from the internet
- 
-Your certificate will be automatically renewed every month
-" \
-  20 90
-}
-
 # tested with git version v0.11.0-71-g018a304
 configure() 
 {

etc/nextcloudpi-config.d/modsecurity.sh

@@ -19,6 +19,10 @@ NCDIR=/var/www/nextcloud/
 NCPWB=/var/www/ncp-web/
 DESCRIPTION="Web Application Firewall for extra security (experimental)"
 
+INFOTITLE="Experimental feature warning"
+INFO="This feature is highly experimental and has only been tested with
+a basic NextCloud installation. If a new App does not work disable it"
+
 install()
 {
   apt-get update
@@ -44,16 +48,6 @@ EOF
 EOF
 }
 
-show_info()
-{
-  whiptail --yesno \
-           --backtitle "NextCloudPi configuration" \
-           --title "Experimental feature warning" \
-"This feature is highly experimental and has only been tested with
-a basic NextCloud installation. If a new App does not work disable it" \
-  20 90
-}
-
 configure() 
 { 
   cat > /etc/modsecurity/modsecurity_crs_99_whitelist.conf <<EOF

etc/nextcloudpi-config.d/nc-automount.sh

@@ -17,22 +17,14 @@
 ACTIVE_=no
 DESCRIPTION="Automount USB drives by plugging them in"
 
-show_info()
-{
-  whiptail --yesno \
-           --backtitle "NextCloudPi configuration" \
-           --title "Automount notes" \
-"Plugged in USB drives will be automounted under /media
+INFOTITLE="Automount notes"
+INFO="Plugged in USB drives will be automounted under /media
 on boot or at the moment of insertion.
 
 Format your drive as ext4 in order to move NC datafolder or database
 VFAT or NTFS is not recommended for this task, as it does not suport permissions
 
-Drives with multiple partitions are not supported
-
-IMPORTANT: halt or umount the drive before extracting" \
-  20 90
-}
+IMPORTANT: halt or umount the drive before extracting"
 
 install()
 {

etc/nextcloudpi-config.d/nc-database.sh

@@ -17,21 +17,13 @@
 DBDIR_=/media/USBdrive/ncdatabase
 DESCRIPTION="Move your database to a new location, like a USB drive"
 
-show_info()
-{
-  whiptail --yesno \
-           --backtitle "NextCloudPi configuration" \
-           --title "Info" \
-"Note that non Unix filesystems such as NTFS are not supported
+INFO="Note that non Unix filesystems such as NTFS are not supported
 because they do not provide a compatible user/permissions system
 
 You need to use a USB drive that is permanently on and is responsive 
 or the database will fail.
 
-** If it ever fails with a white page, move the database back to the SD **
-" \
-  20 90
-}
+** If it ever fails with a white page, move the database back to the SD **"
 
 configure()
 {

etc/nextcloudpi-config.d/nc-datadir.sh

@@ -17,15 +17,8 @@
 DATADIR_=/media/USBdrive/ncdata
 DESCRIPTION="Change your data dir to a new location, like a USB drive"
 
-show_info()
-{
-  whiptail --yesno \
-           --backtitle "NextCloudPi configuration" \
-           --title "Info" \
-"Note that non Unix filesystems such as NTFS are not supported
-because they do not provide a compatible user/permissions system" \
-  20 90
-}
+INFO="Note that non Unix filesystems such as NTFS are not supported
+because they do not provide a compatible user/permissions system"
 
 configure()
 {

etc/nextcloudpi-config.d/nc-format-USB.sh

@@ -16,18 +16,11 @@
 LABEL_=myCloudDrive
 DESCRIPTION="Format an external USB drive as a ext4 partition (dangerous)"
 
-show_info()
-{
-  whiptail --yesno \
-    --backtitle "NextCloudPi configuration" \
-    --title "Instructions for USB drive formatting" \
-"Make sure that ONLY the USB drive that you want to format is plugged in.
-
-Be careful, this will destroy any data in the USB drive
+INFOTITLE="Instructions for USB drive formatting" 
+INFO="Make sure that ONLY the USB drive that you want to format is plugged in.
+careful, this will destroy any data in the USB drive
 
-** YOU WILL LOSE ALL YOUR USB DATA ** " \
-      20 90
-}
+** YOU WILL LOSE ALL YOUR USB DATA **"
 
 configure() 
 {