Merge branch 'workhorse-path' into 'master'

Init script changes for gitlab-workhorse in 8.4

Goes with https://gitlab.com/gitlab-org/gitlab-workhorse/merge_requests/31

Also bumps gitlab-workhorse to 0.6.1.

[ci skip]

See merge request !2529

GITLAB_WORKHORSE_VERSION

-0.6.0
+0.6.1

doc/update/8.3-to-8.4.md

@@ -48,7 +48,7 @@ which should already be on your system from GitLab 8.1.
 ```bash
 cd /home/git/gitlab-workhorse
 sudo -u git -H git fetch --all
-sudo -u git -H git checkout 0.6.0
+sudo -u git -H git checkout 0.6.1
 sudo -u git -H make
 ```
 
@@ -104,10 +104,7 @@ via [/etc/default/gitlab].
 
 #### Init script
 
-We updated the init script for GitLab in order to pass new
-configuration options to gitlab-workhorse. We let gitlab-workhorse
-connect to the Rails application via a Unix domain socket and we tell
-it where the 'public' directory of GitLab is.
+We updated the init script for GitLab in order to set a specific PATH for gitlab-workhorse.
 
 ```
 cd /home/git/gitlab

lib/support/init.d/gitlab

@@ -38,6 +38,7 @@ web_server_pid_path="$pid_path/unicorn.pid"
 sidekiq_pid_path="$pid_path/sidekiq.pid"
 mail_room_enabled=false
 mail_room_pid_path="$pid_path/mail_room.pid"
+gitlab_workhorse_dir=$(cd $app_root/../gitlab-workhorse && pwd)
 gitlab_workhorse_pid_path="$pid_path/gitlab-workhorse.pid"
 gitlab_workhorse_options="-listenUmask 0 -listenNetwork unix -listenAddr $socket_path/gitlab-workhorse.socket -authBackend http://127.0.0.1:8080 -authSocket $rails_socket -documentRoot $app_root/public"
 gitlab_workhorse_log="$app_root/log/gitlab-workhorse.log"
@@ -233,10 +234,12 @@ start_gitlab() {
   if [ "$gitlab_workhorse_status" = "0" ]; then
     echo "The gitlab-workhorse is already running with pid $spid, not restarting"
   else
-    # No need to remove a socket, gitlab-workhorse does this itself
+    # No need to remove a socket, gitlab-workhorse does this itself.
+    # Because gitlab-workhorse has multiple executables we need to fix
+    # the PATH.
     $app_root/bin/daemon_with_pidfile $gitlab_workhorse_pid_path  \
-      $app_root/../gitlab-workhorse/gitlab-workhorse \
-        $gitlab_workhorse_options \
+      /usr/bin/env PATH=$gitlab_workhorse_dir:$PATH \
+        gitlab-workhorse $gitlab_workhorse_options \
       >> $gitlab_workhorse_log 2>&1 &
   fi
 

lib/support/init.d/gitlab.default.example

@@ -30,6 +30,9 @@ web_server_pid_path="$pid_path/unicorn.pid"
 # The default is "$pid_path/sidekiq.pid"
 sidekiq_pid_path="$pid_path/sidekiq.pid"
 
+# The directory where the gitlab-workhorse binaries are. Usually
+# /home/git/gitlab-workhorse .
+gitlab_workhorse_dir=$(cd $app_root/../gitlab-workhorse && pwd)
 gitlab_workhorse_pid_path="$pid_path/gitlab-workhorse.pid"
 # The -listenXxx settings determine where gitlab-workhorse
 # listens for connections from NGINX. To listen on localhost:8181, write