Add first time script that force resize2fs + message about running the postinstall

stage3/00-install-yunohost/00-run.sh

@@ -28,6 +28,8 @@ sed -i '/PermitRootLogin/c\PermitRootLogin yes' /etc/ssh/sshd_config
 echo "root:yunohost" | chpasswd
 EOF
 
+install -m 755 files/check_yunohost_is_installed.sh "${ROOTFS_DIR}/etc/profile.d/"
+
 echo "Cleaning ..."
 on_chroot << EOF
 apt-get clean

stage3/00-install-yunohost/files/check_yunohost_is_installed.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+if [ -n "$BASH_VERSION" ] && [ "$-" != "${-#*i}" ]; then
+
+    # Trigger resize2fs_once in case it wasnt triggered so far ...
+    if [ -f "/etc/init.d/resize2fs_once" ];
+    then
+        echo "Resizing root partition ... (this may take up to a few minutes)"
+        systemctl restart resize2fs_once
+    fi
+
+    if [ ! -f "/etc/yunohost/installed" ];
+    then
+        normal=$(printf '\033[0m')
+        bold=$(printf '\033[1m')
+        blue=$(printf '\033[34m')
+
+        IPS=$(hostname --all-ip-address | sed 's/ /\n     /g')
+        cat << EOF
+======================================================================
+${bold}${blue}
+ Congratulations on setting up your YunoHost server !
+${normal}${bold}
+ To finish the installation, you should run the postinstallation.
+ You can find documentation about it on :${normal}
+     https://yunohost.org/postinstall
+${normal}${bold}
+ You can run it from the command line interface with :${normal}
+     $ yunohost tools postinstall
+${normal}${bold}
+ Or from a browser by accessing one of your local IP :${normal}
+     $IPS${normal}
+======================================================================
+EOF
+    fi
+fi