#+TITLE: Systemd

* Buku Git
** Service
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/bukugit.service
   :header-args+: :comments both :mkdirp yes
   :END:

#+BEGIN_SRC conf
  [Unit]
  Description=Sync Bookmarks every day
  RefuseManualStart=no
  RefuseManualStop=yes

  [Service]
  Type=oneshot
  ExecStart=%h/scripts/buku_git_push.sh
#+END_SRC

** Timer
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/bukugit.timer
   :header-args+: :comments both :mkdirp yes
   :END:

#+BEGIN_SRC conf
  [Unit]
  Description=Sync All Mails every x hours
  RefuseManualStart=no
  RefuseManualStop=no
  After=network.target network-online.target dbus.socket

  [Timer]
  OnCalendar=*-*-* 16:00:00
  Persistent=true
  Unit=bukugit.service

  [Install]
  WantedBy=default.target
#+END_SRC

** Script
  :PROPERTIES:
  :header-args:  :tangle ~/scripts/buku_git_push.sh
  :header-args+: :comments both :mkdirp yes
  :header-args+: :shebang "#!/usr/bin/env bash"
  :END:

#+begin_src bash
  cd ~/.local/share/buku/

  if [[ ! -z $(git status -s bookmarks.db) ]]
  then
      git add bookmarks.db
      git commit -m "Changed bookmarks - $(date +%F)"
      git push
      exit
  fi
#+end_src

* Check mail
** Service
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/checkmail.service
   :header-args+: :comments both :mkdirp yes
   :END:

#+BEGIN_SRC conf
  [Unit]
  Description=Check new mails
  RefuseManualStart=no
  RefuseManualStop=yes

  [Service]
  Type=oneshot
  ExecStart=%h/scripts/checkmail.sh
#+END_SRC

** Timer
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/checkmail.timer
   :header-args+: :comments both :mkdirp yes
   :END:

#+BEGIN_SRC conf
  [Unit]
  Description=Check Mail every x minutes
  RefuseManualStart=no
  RefuseManualStop=no
  After=network.target network-online.target dbus.socket
  Requires=checkmail.service

  [Timer]
  Persistent=false
  OnBootSec=2min
  OnUnitActiveSec=5min
  AccuracySec=10s
  Unit=checkmail.service

  [Install]
  WantedBy=default.target
#+END_SRC

** Script
  :PROPERTIES:
  :header-args:  :tangle ~/scripts/checkmail.sh
  :header-args+: :comments both :mkdirp yes
  :header-args+: :shebang "#!/usr/bin/env bash"
  :END:

#+begin_src bash
  # =============================================================
  # Count number of mails
  gmail_old="$(ls ~/.mail/gmail/Inbox/new | wc -l)"
  esrf_old="$(ls ~/.mail/esrf/Inbox/new | wc -l)"
  ulg_old="$(ls ~/.mail/ulg/Inbox/new | wc -l)"
  # =============================================================

  # =============================================================
  # Retreive mails
  if [ -z "$1" ]; then
      # No argument => just check Inbox
      mbsync gmail-Home esrf-Home ulg-Home
  elif [ "$1" = "all" ]; then
      # Synchronize all mails
      mbsync -a
  fi
  # =============================================================

  # =============================================================
  # Count number of mails
  gmail_new="$(ls ~/.mail/gmail/Inbox/new | wc -l)"
  esrf_new="$(ls ~/.mail/esrf/Inbox/new | wc -l)"
  ulg_new="$(ls ~/.mail/ulg/Inbox/new | wc -l)"
  # =============================================================

  # =============================================================
  # Total Number of new mails since last checking
  new="$(($gmail_new+$esrf_new+$ulg_new))"
  old="$(($gmail_old+$esrf_old+$ulg_old))"
  # =============================================================

  # =============================================================
  # Notification
  if [ "$new" -gt 0 ]; then
      notify-send 'New mail' " $esrf_new   $gmail_new   $ulg_new"
  fi
  # =============================================================

  # =============================================================
  # Indexation and Tags
  # notmuch new
  # mu index --maildir=~/.mail --quiet
  # Update on Emacs
  if [ "$(($new-$old))" -gt 0 ]; then
      emacsclient --eval '(mu4e-update-index)';
  fi
  # =============================================================
#+end_src

* Sync mail
** Service
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/syncmail.service
   :header-args+: :comments both :mkdirp yes
   :END:

#+BEGIN_SRC conf
  [Unit]
  Description=Sync all mails
  RefuseManualStart=no
  RefuseManualStop=yes

  [Service]
  Type=oneshot
  ExecStart=%h/scripts/checkmail.sh all
#+END_SRC

** Timer
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/syncmail.timer
   :header-args+: :comments both :mkdirp yes
   :END:

#+BEGIN_SRC conf
  [Unit]
  Description=Sync All Mails every x hours
  RefuseManualStart=no
  RefuseManualStop=no
  After=network.target network-online.target dbus.socket
  Requires=syncmail.service

  [Timer]
  Persistent=false
  OnBootSec=30min
  OnUnitActiveSec=300min
  AccuracySec=10s
  Unit=syncmail.service

  [Install]
  WantedBy=default.target
#+END_SRC

* Emacs
** Service
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/emacs.service
   :header-args+: :comments both :mkdirp yes
   :END:

#+BEGIN_SRC conf
  [Unit]
  Description=Emacs text editor
  Documentation=info:emacs man:emacs(1) https://gnu.org/software/emacs/

  [Service]
  Type=simple
  ExecStart=/usr/bin/emacs --fg-daemon
  ExecStop=/usr/bin/emacsclient --eval "(kill-emacs)"
  Environment=SSH_AUTH_SOCK=%t/keyring/ssh
  Restart=on-failure

  [Install]
  WantedBy=default.target
#+END_SRC
* Vdirsyncer
** Service
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/vdirsyncer.service
   :header-args+: :comments both :mkdirp yes
   :END:
#+begin_src conf
  [Unit]
  Description=Synchronize calendars and contacts
  Documentation=https://vdirsyncer.readthedocs.org/

  [Service]
  ExecStart=/usr/bin/vdirsyncer sync
  Type=oneshot
#+end_src

** Timer
   :PROPERTIES:
   :header-args: :tangle ~/.config/systemd/user/vdirsyncer.timer
   :header-args+: :comments both :mkdirp yes
   :END:

#+begin_src conf
  [Unit]
  Description=Synchronize vdirs

  [Timer]
  OnBootSec=5m
  OnUnitActiveSec=15m
  AccuracySec=5m

  [Install]
  WantedBy=timers.target
#+end_src