find useless nginx config files

nginx_conf_gc.py

import os
import glob
import re


all_files = set()
for dirpath, dirnames, filenames in os.walk('.'):
    for f in filenames:
        dirnames[:] = [d for d in dirnames if not d.startswith('.git')]
        f = os.path.join(dirpath, f)
        f = os.path.relpath(f)
        all_files.add(f)


I_RE = re.compile(r'include\s+(.*);', re.IGNORECASE)
all_included = set()
def inc(f):
    for l in open(f):
        l = l.strip()
        if l.startswith('#'):
            continue
        m = I_RE.search(l)
        if not m:
            continue
        i = m.group(1).strip()
        if i.startswith('/etc/nginx/'):
            i = i[len('/etc/nginx/'):]
        #print i
        if '*' in i:
            l = glob.glob(i)
        else:
            l = [i,]
        for i in l:
            all_included.add(i)
            inc(i)


inc('nginx.conf')

#print all_files & all_included
no_inc = all_files - all_included

no_inc.remove('nginx.conf')
no_inc.remove(__file__)

print '\n'.join(sorted(no_inc))