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Junio C Hamano  committed 3aadad1

Documentation: stdout of update-hook is connected to /dev/null

Mention that update-hook does not emit its stdout to the sender.

Signed-off-by: Junio C Hamano <junkio@cox.net>

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File Documentation/hooks.txt

 implement access control which is finer grained than the one
 based on filesystem group.
 
+The standard output of this hook is sent to /dev/null; if you
+want to report something to the git-send-pack on the other end,
+you can redirect your output to your stderr.
+
 post-update
 -----------
 
 The default post-update hook, when enabled, runs
 `git-update-server-info` to keep the information used by dumb
 transport up-to-date.
+
+The standard output of this hook is sent to /dev/null; if you
+want to report something to the git-send-pack on the other end,
+you can redirect your output to your stderr.

File Documentation/howto/rebuild-from-update-hook.txt

 are built from Documentation/ directory of the git.git project
 and needed to be kept up-to-date.  The www.kernel.org/ servers
 are mirrored and I was told that the origin of the mirror is on
-the machine master.kernel.org, on which I was given an account
+the machine $some.kernel.org, on which I was given an account
 when I took over git maintainership from Linus.
 
 The directories relevant to this how-to are these two:
     EOF
     $ chmod +x /pub/scm/git/git.git/hooks/post-update
 
-There are three things worth mentioning:
+There are four things worth mentioning:
 
  - The update-hook is run after the repository accepts a "git
    push", under my user privilege.  It is given the full names
    pull" it does into $HOME/doc-git/docgen/ repository would not
    work correctly.
 
+ - The stdout of update hook script is not connected to git
+   push; I run the heavy part of the command inside "at", to
+   receive the execution report via e-mail.
+
  - This is still crude and does not protect against simultaneous
    make invocations stomping on each other.  I would need to add
    some locking mechanism for this.