X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=autoconfig.functions;h=228a561090c827063c1a1aca01a0a2dbc07450df;hb=refs%2Ftags%2Fv0.21.2;hp=0da044d51955f548148af419b6e7ec2eb629037b;hpb=74eef776a281bca6f6d6f089b065cb01dc600196;p=grml-autoconfig.git

diff --git a/autoconfig.functions b/autoconfig.functions
index 0da044d..228a561 100755
--- a/autoconfig.functions
+++ b/autoconfig.functions
@@ -1412,7 +1412,7 @@ else
     else
       eindent
       einfo "debs, config, scripts are read from $DCSDEVICE." ; eend 0
-      DCSDIR="$(< /proc/mounts awk -v DCSDEV=$DCSDEVICE '{if ($1 == DCSDEV) { print $2 }}')"
+      DCSDIR="$(< /proc/mounts awk -v DCSDEV=$DCSDEVICE '{if ($1 == DCSDEV) { print $2; exit }}')"
       if [ -n "$DCSDIR" ]; then
         ewarn "$DCSDEVICE already mounted on $DCSDIR"; eend 0
       else
@@ -1992,5 +1992,43 @@ fi
 }
 # }}}
 
+# {{{ Easteregg (for 20 years grml.org)
+display_easteregg() {
+  einfo "You found the birthday easter egg!" ; eend 0
+
+  if [[ -x /bin/toilet && -x /usr/games/lolcat ]] ; then
+    visualize() { printf "%s\n" "$*" | toilet | /usr/games/lolcat ; }
+  elif [[ -x /bin/toilet ]] ; then
+    visualize() { printf "%s\n" "$*" | toilet ; }
+  else
+    visualize() { printf "%s\n" "$*" ; }
+  fi
+
+  visualize "   \o/   "
+  visualize "20 years"
+  visualize "grml.org"
+}
+
+config_easteregg() {
+  checkbootparam 'noeasteregg' && return 0
+
+  zmodload zsh/datetime 2>/dev/null || return 0
+  zmodload zsh/mathfunc 2>/dev/null || return 0
+
+  local birthday=1694822400            # := 2023-09-16 -> TZ=UTC date -d "2023-09-16" +%s
+  local one_month=$[24*30*3600]
+  local pi=3.14159265358979323846
+  local magic=$(( one_month/(pi/2) ))  # normalization factor, used to map the [birthday;birthday+-one_month] range onto [0;+-pi/2]
+
+  if [[ $(( abs(birthday-EPOCHSECONDS) )) -le $one_month ]] ; then
+    if [[ $(( rand48() )) -le $(( cos((birthday-EPOCHSECONDS)/magic) )) ]] ; then
+      display_easteregg
+    fi
+  fi
+
+  return 0
+}
+# }}}
+
 ## END OF FILE #################################################################
 # vim:foldmethod=marker expandtab ai ft=zsh shiftwidth=2