prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Dovecot service takes long to start
  ```
  docker stack ps mailu
  ID                  NAME                IMAGE                              NODE                DESIRED STATE       CURRENT STATE            ERROR               PORTS
  yh6u3jrckt32        mailu_redis.1       redis:alpine                       prod02.usrpro.com   Running             Running 4 minutes ago                        
  otpt6os15sy3        mailu_smtp.1        mailu/postfix:master               prod01.usrpro.com   Running             Running 4 minutes ago                        
  artmzgamypoy        mailu_webdav.1      mailu/radicale:master              prod03.usrpro.com   Running             Running 4 minutes ago                        
  x5ynw6h5ap3p        mailu_imap.1        usrpro/dovecot:workaround-lucene   prod03.usrpro.com   Running             Starting 4 minutes ago                       
  n674xs649jlw        mailu_admin.1       mailu/admin:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        
  xrmri5cqjzqn        mailu_antivirus.1   mailu/clamav:master                prod02.usrpro.com   Running             Running 2 minutes ago                        
  koiuyxlj2cpt        mailu_antispam.1    mailu/rspamd:master                prod03.usrpro.com   Running             Running 4 minutes ago                        
  hdpu4gq182ha        mailu_webmail.1     mailu/rainloop:master              prod01.usrpro.com   Running             Running 4 minutes ago                        
  wgqkwnz6wyxp        mailu_front.1       mailu/nginx:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        
  v2eznworzs0g        mailu_front.2       mailu/nginx:master                 prod02.usrpro.com   Running             Running 4 minutes ago                        
  nckm82d8aryd        mailu_front.3       mailu/nginx:master                 prod03.usrpro.com   Running             Running 4 minutes ago 
  ```
  In `start.py`, most probably it is stuck on:
  ```
  multiprocessing.Process(target=start_podop).start()
  ```
  
  Have to confirm with writing some logging, like requested in issue #588 .
  
  </issue>
  <code>
  [start of core/dovecot/start.py]
  1 #!/usr/bin/python3
  2 
  3 import jinja2
  4 import os
  5 import socket
  6 import glob
  7 import multiprocessing
  8 import tenacity
  9 
  10 from tenacity import retry
  11 from podop import run_server
  12 
  13 
  14 def start_podop():
  15     os.setuid(8)
  16     run_server(3 if "DEBUG" in os.environ else 0, "dovecot", "/tmp/podop.socket", [
  17 		("quota", "url", "http://admin/internal/dovecot/§"),
  18 		("auth", "url", "http://admin/internal/dovecot/§"),
  19 		("sieve", "url", "http://admin/internal/dovecot/§"),
  20     ])
  21 
  22 convert = lambda src, dst: open(dst, "w").write(jinja2.Template(open(src).read()).render(**os.environ))
  23 
  24 # Actual startup script
  25 resolve = retry(socket.gethostbyname, stop=tenacity.stop_after_attempt(100), wait=tenacity.wait_random(min=2, max=5))
  26 os.environ["FRONT_ADDRESS"] = resolve(os.environ.get("FRONT_ADDRESS", "front"))
  27 os.environ["REDIS_ADDRESS"] = resolve(os.environ.get("REDIS_ADDRESS", "redis"))
  28 if os.environ["WEBMAIL"] != "none":
  29     os.environ["WEBMAIL_ADDRESS"] = resolve(os.environ.get("WEBMAIL_ADDRESS", "webmail"))
  30 
  31 for dovecot_file in glob.glob("/conf/*.conf"):
  32     convert(dovecot_file, os.path.join("/etc/dovecot", os.path.basename(dovecot_file)))
  33 
  34 # Run Podop, then postfix
  35 multiprocessing.Process(target=start_podop).start()
  36 os.system("chown -R mail:mail /mail /var/lib/dovecot /conf")
  37 os.execv("/usr/sbin/dovecot", ["dovecot", "-c", "/etc/dovecot/dovecot.conf", "-F"])
  38
  [end of core/dovecot/start.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/core/dovecot/start.py b/core/dovecot/start.py
  --- a/core/dovecot/start.py
  +++ b/core/dovecot/start.py
  @@ -33,5 +33,6 @@
   
   # Run Podop, then postfix
   multiprocessing.Process(target=start_podop).start()
  -os.system("chown -R mail:mail /mail /var/lib/dovecot /conf")
  +os.system("chown mail:mail /mail")
  +os.system("chown -R mail:mail /var/lib/dovecot /conf")
   os.execv("/usr/sbin/dovecot", ["dovecot", "-c", "/etc/dovecot/dovecot.conf", "-F"])
  
verification_info: {"golden_diff": "diff --git a/core/dovecot/start.py b/core/dovecot/start.py\n--- a/core/dovecot/start.py\n+++ b/core/dovecot/start.py\n@@ -33,5 +33,6 @@\n \n # Run Podop, then postfix\n multiprocessing.Process(target=start_podop).start()\n-os.system(\"chown -R mail:mail /mail /var/lib/dovecot /conf\")\n+os.system(\"chown mail:mail /mail\")\n+os.system(\"chown -R mail:mail /var/lib/dovecot /conf\")\n os.execv(\"/usr/sbin/dovecot\", [\"dovecot\", \"-c\", \"/etc/dovecot/dovecot.conf\", \"-F\"])\n", "issue": "Dovecot service takes long to start\n```\r\ndocker stack ps mailu\r\nID                  NAME                IMAGE                              NODE                DESIRED STATE       CURRENT STATE            ERROR               PORTS\r\nyh6u3jrckt32        mailu_redis.1       redis:alpine                       prod02.usrpro.com   Running             Running 4 minutes ago                        \r\notpt6os15sy3        mailu_smtp.1        mailu/postfix:master               prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nartmzgamypoy        mailu_webdav.1      mailu/radicale:master              prod03.usrpro.com   Running             Running 4 minutes ago                        \r\nx5ynw6h5ap3p        mailu_imap.1        usrpro/dovecot:workaround-lucene   prod03.usrpro.com   Running             Starting 4 minutes ago                       \r\nn674xs649jlw        mailu_admin.1       mailu/admin:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nxrmri5cqjzqn        mailu_antivirus.1   mailu/clamav:master                prod02.usrpro.com   Running             Running 2 minutes ago                        \r\nkoiuyxlj2cpt        mailu_antispam.1    mailu/rspamd:master                prod03.usrpro.com   Running             Running 4 minutes ago                        \r\nhdpu4gq182ha        mailu_webmail.1     mailu/rainloop:master              prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nwgqkwnz6wyxp        mailu_front.1       mailu/nginx:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nv2eznworzs0g        mailu_front.2       mailu/nginx:master                 prod02.usrpro.com   Running             Running 4 minutes ago                        \r\nnckm82d8aryd        mailu_front.3       mailu/nginx:master                 prod03.usrpro.com   Running             Running 4 minutes ago \r\n```\r\nIn `start.py`, most probably it is stuck on:\r\n```\r\nmultiprocessing.Process(target=start_podop).start()\r\n```\r\n\r\nHave to confirm with writing some logging, like requested in issue #588 .\n", "before_files": [{"content": "#!/usr/bin/python3\n\nimport jinja2\nimport os\nimport socket\nimport glob\nimport multiprocessing\nimport tenacity\n\nfrom tenacity import retry\nfrom podop import run_server\n\n\ndef start_podop():\n    os.setuid(8)\n    run_server(3 if \"DEBUG\" in os.environ else 0, \"dovecot\", \"/tmp/podop.socket\", [\n\t\t(\"quota\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n\t\t(\"auth\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n\t\t(\"sieve\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n    ])\n\nconvert = lambda src, dst: open(dst, \"w\").write(jinja2.Template(open(src).read()).render(**os.environ))\n\n# Actual startup script\nresolve = retry(socket.gethostbyname, stop=tenacity.stop_after_attempt(100), wait=tenacity.wait_random(min=2, max=5))\nos.environ[\"FRONT_ADDRESS\"] = resolve(os.environ.get(\"FRONT_ADDRESS\", \"front\"))\nos.environ[\"REDIS_ADDRESS\"] = resolve(os.environ.get(\"REDIS_ADDRESS\", \"redis\"))\nif os.environ[\"WEBMAIL\"] != \"none\":\n    os.environ[\"WEBMAIL_ADDRESS\"] = resolve(os.environ.get(\"WEBMAIL_ADDRESS\", \"webmail\"))\n\nfor dovecot_file in glob.glob(\"/conf/*.conf\"):\n    convert(dovecot_file, os.path.join(\"/etc/dovecot\", os.path.basename(dovecot_file)))\n\n# Run Podop, then postfix\nmultiprocessing.Process(target=start_podop).start()\nos.system(\"chown -R mail:mail /mail /var/lib/dovecot /conf\")\nos.execv(\"/usr/sbin/dovecot\", [\"dovecot\", \"-c\", \"/etc/dovecot/dovecot.conf\", \"-F\"])\n", "path": "core/dovecot/start.py"}]}