☕ Easter egg (#443)

concept

@@ -300,6 +300,99 @@ if     [ "${logo_printed}"  != "True"  ] \
     export logo_printed="True"
 fi
 
+# I wonder what this obfuscated code does?
+reverse() {
+    local s="$1"
+    local r=""
+    for ((i = 0; i < ${#s}; i += 1)); do
+        r="${s:i:1}${r}"
+    done
+    echo "${r}"
+}
+esaelp="False"
+eeffoc=0
+for arg in "$@"; do
+    arg="$(reverse "${arg}")"
+    if [ "${arg}" == "eeffoc-ekam--" ]; then
+        ((eeffoc += 1))
+    elif [ "${arg}" == "esaelp--" ]; then
+        esaelp="True"
+    fi
+done
+if [ ${eeffoc} -gt 0 ]; then
+    r="getattr(__import__('modnar'[::-1]), 'modnar'[::-1])()"
+    if [ "${esaelp}" == "False" ]; then
+        esaelp="$("${python}" -c "print(${r} < 0.15/${eeffoc}**0.5)")"
+    fi
+    if [ "${esaelp}" == "False" ]; then
+        "${python}" -c "
+print(
+    getattr(__import__('modnar'[::-1]), 'eciohc'[::-1])(
+        ['ylecin ksa uoy fi ebyaM']*10
+        + ['retal spahreP']*4
+        + ['snaeb hguone tom32[\x1bNm3[\x1b']*2
+        + ['esaelp yaS']
+    )[::-1] + ' ' + '.'*3
+)
+"
+        exit 1
+    fi
+    "${python}" -c "
+import itertools
+def primes():
+    for n in itertools.count(2):
+        for i in range(2, 1 + int(n**0.5)):
+            if n%i == 0:
+                break
+        else:
+            yield n
+getp = lambda n: list(zip(range(n), primes()))[-1][-1]
+s = lambda t=None: getattr(__import__('emit'[::-1]), 'peels'[::-1])(
+    0.2 + 1.0*${eeffoc}**0.5*${r} if t is None else t
+)
+def werb():
+    print(' gniwerB'[::-1], flush=True, end='')
+    for i in range(3):
+        s()
+        if i > 1 and ${r} < 0.1:
+            print(chr(5*getp(3*941)), end='', flush=True)
+            s(0.7)
+            print('!taht tuoba yrroS  '[::-1], end='', flush=True)
+            s(1.5)
+            print('\r\x1b[K', flush=True, end='')
+            s(0.5)
+            return werb()
+        print(chr(46), flush=True, end='')
+    s()
+print('\x1b[?25l', end='')
+werb()
+print('\r\x1b[K', flush=True, end='')
+text = ' :og uoy ereH'[::-1]
+c = chr(getp(3*401))
+v_possibilities = list(range(2, 2 + max(${eeffoc}, 8)))
+__import__('modnar'[::-1]).shuffle(v_possibilities)
+v_possibilities = sorted(v_possibilities[:${eeffoc}])
+indices = set()
+for throw in range(${eeffoc}):
+    print(f'\r{text}', flush=True, end='')
+    if throw == 0:
+        s(0.25)
+    if throw == 0:
+        s(0.2)
+    v = v_possibilities.pop()
+    for i in range(v - 1):
+        if i not in indices:
+            print(f'\x1b[1D ', end='')
+        print(c, end='', flush=True)
+        v -= 1
+        s(0.22/v)
+    indices.add(i + 1)
+print()
+print('\x1b[?12l\x1b[?25h', flush=True, end='')
+"
+    trap : 0
+    exit 0
+fi
 
 # Function for converting paths to absolute paths
 absolute_path() {
@@ -1025,7 +1118,8 @@ def get_parser(*, add_help=True):
         names.append(f'--{name}')
         if useenv:
             default = os.environ.get(f'CONCEPT_{name}'.replace('-', '_'), default)
-        default = str(default)
+        if kwargs.get('action') != 'count':
+            default = str(default)
         if kwargs.get('action') == 'append' or kwargs.get('nargs') == '+':
             default = [default]
         group.add_argument(
@@ -1299,6 +1393,13 @@ def get_parser(*, add_help=True):
         shortname=True,
         action='store_true',
     )
+    add_parser_argument(
+        'make-coffee',
+        group_special,
+        help='if only ...',
+        default=0,
+        action='count',
+    )
     return parser
 # Enables Python to write directly to screen (stderr)
 # in case of help request.