From 985975ae80fe5a8e58319b3a5aaf14da940c4419 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sat, 8 Sep 2018 18:48:48 +0200
Subject: services: nginx: Don't read PID file when passed a custom config
 file.

Fixes <https://bugs.gnu.org/32665>.

* gnu/services/web.scm (nginx-shepherd-service): Check whether FILE is
true and don't read the PID file if it is; use 'read-pid-file' instead
of a potentially endless loop.
---
 gnu/services/web.scm | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

(limited to 'gnu/services')

diff --git a/gnu/services/web.scm b/gnu/services/web.scm
index 3778efd048..1c993b29fe 100644
--- a/gnu/services/web.scm
+++ b/gnu/services/web.scm
@@ -610,14 +610,12 @@ of index files."
                  (match '#$args
                    (("-s" . _) #t)
                    (_
-                    (let loop ((duration 0))
-                      ;; https://bugs.launchpad.net/ubuntu/+source/nginx/+bug/1581864/comments/7
-                      (sleep duration)
-                      (if (file-exists? #$pid-file)
-                          (let ((pid (call-with-input-file #$pid-file read)))
-                            ;; it could be #<eof>
-                            (if (integer? pid) pid (loop 1)))
-                          (loop 1)))))))))
+                    ;; When FILE is true, we cannot be sure that PID-FILE will
+                    ;; be created, so assume it won't show up.  When FILE is
+                    ;; false, read PID-FILE.
+                    #$(if file
+                          #~#t
+                          #~(read-pid-file #$pid-file))))))))
 
      ;; TODO: Add 'reload' action.
      (list (shepherd-service
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