doc: update readme

README.md

@@ -4,31 +4,41 @@
 - [☕ Gitea Installer](#gitea-installer-script)
 
 ## Nextcloud installer script
+
 The lab guide is condensed into a script so Nextcloud can be installed  in less than 3 minutes by executing only one command and setting the admin user credentials.
 
 The following components will be set up and installed automatically:
 
-* php settings
+- php settings
-* sendmail email settings
+- sendmail email settings
-* cronjob
+- cronjob
-* prettier URLs without index.php
+- prettier URLs without index.php
-* Memcaching with redis and APCu
+- Memcaching with redis and APCu
-* Client Push (notify_push)
+- Client Push (notify_push)
-* `nextcloud-update` script
+- `nextcloud-update` script
-* the default phone region will be set to `DE`, you may change it after the installation to a different setting
+- the default phone region will be set to `DE`, you may change it after the installation to a different setting
-
+- `ncc` wrapper command for `occ` with bash completion
 
 Connect via SSH to your Uberspace an then run:
 
-```
+```sh
 bash -c "$(wget -q -O - https://github.com/EV21/uberspace-helper/raw/main/nextcloud-installer.sh)"
 ```
 
+alternatively something shorter:
+
+```sh
+bash -c "$(wget -q -O - https://sh.ev21.de/uberspace/nextcloud-installer.sh)"
+```
+
 ## Demo
 
+<!-- markdownlint-disable-next-line MD034 -->
 https://user-images.githubusercontent.com/8345730/154812905-970c649d-4360-4846-961c-1d8363d662f2.mp4
 
+<!-- unused
 [nextcloud-installer-gif-demo]: ./presentation/uberspace-nextcloud-installer.gif
+-->
 
 ---
 
@@ -43,6 +53,6 @@ The following steps will be done automatically:
 
 Connect via SSH to your Uberspace an then run:
 
-```
+```sh
 bash -c "$(wget -q -O - https://github.com/EV21/uberspace-helper/raw/main/gitea-installer.sh)"
 ```

nextcloud-installer.sh

@@ -42,12 +42,13 @@ function install_nextcloud
   echo "Installing Nextcloud"
   install_ncc
   ncc maintenance:install \
-    --admin-user "${NEXTCLOUD_ADMIN_USER}" \
+    --admin-user="${NEXTCLOUD_ADMIN_USER}" \
-    --admin-pass "${NEXTCLOUD_ADMIN_PASS}" \
+    --admin-pass="${NEXTCLOUD_ADMIN_PASS}" \
-    --database 'mysql' --database-name "${USER}_nextcloud" \
+    --database='mysql' \
-    --database-user "${USER}" \
+    --database-name="${USER}_nextcloud" \
-    --database-pass "${MYSQL_PASSWORD}" \
+    --database-user="${USER}" \
-    --data-dir "${HOME}/nextcloud_data"
+    --database-pass="${MYSQL_PASSWORD}" \
+    --data-dir="${HOME}/nextcloud_data"
 
   ncc config:system:set trusted_domains 0 --value="$trusted_domain"
   ncc config:system:set overwrite.cli.url --value="https://$trusted_domain"
@@ -251,11 +252,16 @@ end_of_content
 function install_ncc
 {
   touch ~/bin/ncc
-  cat << 'end_of_content' > ~/bin/ncc
+  cat << end_of_content > ~/bin/ncc
 #!/usr/bin/env bash
-php ~/html/occ "$@"
+exec php /var/www/virtual/\$USER/html/occ "\$@"
 end_of_content
   chmod u+x ~/bin/ncc
+  chmod u+x ~/html/occ
+  ncc _completion --generate-hook --program=ncc > ~/_nextcloud_completion
+  echo "source \$HOME/_nextcloud_completion" >> ~/.bash_profile
+  # shellcheck source=/dev/null
+  source ~/.bash_profile
 }
 
 function install_nextcloud_updater