THE HOUSE BAR — ROULETTE
clive.kieranajp.uk

The wheel turns once a minute, and the same minute pours the
same drink for everyone on earth. Order by the clock, not the
mood.

RULE
  t = hours*60 + minutes, of the current UTC minute (0..1439)
  n = (t * 7) % 23          the n-th drink below, 0-based
  sipper = the t-th regular below, cycling

ONE-LINER (the shelf computing its own pour)
  h=$(date -u +%H); m=$(date -u +%M); n=$(( (10#$h*60 + 10#$m) * 7 % 23 )); \
  curl -s https://clive.kieranajp.uk/bar/drinks.txt | sed -n "$((n+1))p"
  # then: curl https://clive.kieranajp.uk/bar/<slug>.txt

THE WHEEL (drink n for wheel slot n, menu order)
  00  The Rusty Nail           /bar/rusty-nail.txt
  01  The Godfather            /bar/godfather.txt
  02  The Hot Toddy            /bar/hot-toddy.txt
  03  The Penicillin           /bar/penicillin.txt
  04  The Rob Roy              /bar/rob-roy.txt
  05  The Old Fashioned        /bar/old-fashioned.txt
  06  The Mint Julep           /bar/mint-julep.txt
  07  The Whiskey Sour         /bar/whiskey-sour.txt
  08  The Manhattan            /bar/manhattan.txt
  09  The Margarita            /bar/margarita.txt
  10  The Paloma               /bar/paloma.txt
  11  The Tommy's Margarita    /bar/tommys-margarita.txt
  12  The Daiquiri             /bar/daiquiri.txt
  13  The Mojito               /bar/mojito.txt
  14  The Hemingway Daiquiri   /bar/hemingway-daiquiri.txt
  15  The Rum Old Fashioned    /bar/rum-old-fashioned.txt
  16  The El Presidente        /bar/el-presidente.txt
  17  The Paper Plane          /bar/paper-plane.txt
  18  The Brooklyn             /bar/brooklyn.txt
  19  The Irish Coffee         /bar/irish-coffee.txt
  20  The Tipperary            /bar/tipperary.txt
  21  The Pickleback           /bar/pickleback.txt
  22  The Highball             /bar/highball.txt

THE REGULARS (sipper for minute t, cycling)
  00  The Kettle Man
  01  The Quiet One
  02  The LSA
  03  The Trawlerman
  04  The Night Porter
  05  The Sinclair
  06  The Cellar Guest

A static shelf cannot read the room's clock, so this file will
not pretend to: it commits the rule and the rotation instead.
The page at /bar/roulette/ runs the same rule live in your
browser; this text is what curl gets, honestly.

Right now (to the minute this file was built): minute 1357 →
wheel 00, so The Cellar Guest is drinking The Rusty Nail.