Mercurial hook not executing properly

Question

This should be a very simple thing to have run, but for some reason it won\'t work with my Mercurial repository. All I want is for the remote repo to automatically run

Answer 1

Tthe reason I've found for this has nothing to do with redirecting stdout to stderr. As you may see in the wiki page it is not specified on the wiki's current version https://www.mercurial-scm.org/wiki/FAQ#FAQ.2FCommonProblems.Any_way_to_.27hg_push.27_and_have_an_automatic_.27hg_update.27_on_the_remote_server.3F

The problem I've found is around permissions.

In my original setup, I had a user, lets say hguser with a repo on its home, and a script /etc/init.d/hg.init to launch hg serve. The problem being hg serve was being run by root, while most files under the repo pertained to hguser (some of them switched to root at some point, but it won't mind, since I'll correct them with chown)

Solution:

• chown -R hguser:hguser /home/hguser/repo (to correct ALL files, back to hguser)
• launch su hguser -c "hg serve ..." (in my case from /etc/init.d/hg.init)
• changegroup = hg update -C under [hooks] in repo/.hg/hgrc as usual

Now it should work on push

PS: in my case, I rather update to the head of a specific branch, so I use hg update -C -r staging, to make the staging server update only to the head of the intended branch, even if the tip is from another branch (like development for instance)

BTW my hg.init script ended up like this: (notice the su hguser part)

#!/bin/sh
#
# Startup script for mercurial server.
#
# @see http://jf.blogs.teximus.com/2011/01/running-mercurial-hg-serve-on-linux.html

HG=/usr/bin/hg
CONF=/etc/mercurial/hgweb.config
# Path to PID file of running mercurial process.
PID_FILE=/etc/mercurial/hg.pid

state=$1

case "$state" in
'start')
    echo "Mecurial Server service starting."
    (su hguser -c "${HG} serve -d --webdir-conf ${CONF} -p 8000 --pid-file ${PID_FILE}")
  ;;

'stop')
  if [ -f "${PID_FILE}" ]; then
    PID=`cat "${PID_FILE}"`
    if [ "${PID}" -gt 1 ]; then
      kill -TERM ${PID}
      echo "Stopping the Mercurial service PID=${PID}."
    else
      echo Bad PID for Mercurial -- \"${PID}\"
    fi
  else

    echo No PID file recorded for mercurial
  fi
  ;;

*)
  echo "$0 {start|stop}"
  exit 1
  ;;
esac

PS: due credit to http://jf.blogs.teximus.com/2011/01/running-mercurial-hg-serve-on-linux.html

Answer 2

Try turning on hook debugging to see why it's not running.

Likely a permissions issue or something like that.

Answer 3

I had the same problem pushing from Windows Eclipse via http, but after capturing stderr, I found that the full path was needed to the hg.bat file. My hooks section now looks like:

[hooks]
incoming = c:\Python27\Scripts\hg.bat update > hg_log.txt 2>>hg_err.txt

Hope this helps someone else. SteveT