Guillem Jover wrote: > Just to clarify, for upgrades the original file is not directly deleted, > but in shell examples that's the closest we can do to test the > behaviour. Something like this roughly simulates what dpkg would do: > > $ s-s-d start dictd > $ cd /usr/sbin > $ cp /bin/ls dictd.new > $ ln dictd dictd.old > $ mv dictd.new dictd > $ rm dict.old > $ s-s-d stop dictd > > and this should work on the shell and when done by dpkg.
If you actually try to make a package that uses -exec and restarts its deamon in the postinst, it doesn't work. Example: http://kitenet.net/~joey/tmp/dictd_1.10.11.dfsg-2_i386.deb [EMAIL PROTECTED]:/home/joey/tmp>dpkg -i dictd_1.10.11.dfsg-2_i386.deb Selecting previously deselected package dictd. (Reading database ... 207015 files and directories currently installed.) Unpacking dictd (from dictd_1.10.11.dfsg-2_i386.deb) ... usermod: no changes Setting up dictd (1.10.11.dfsg-2) ... Starting dictionary server: dictd. Processing triggers for man-db ... [EMAIL PROTECTED]:/home/joey/tmp>ps ax |grep dictd 27024 ? Ss 0:00 dictd 1.10.11: 0/0 [EMAIL PROTECTED]:/home/joey/tmp>/etc/init.d/dictd restart Restarting dictionary server: dictd. [EMAIL PROTECTED]:/home/joey/tmp>ps ax |grep dictd 27046 ? Ss 0:00 dictd 1.10.11: 0/0 [EMAIL PROTECTED]:/home/joey/tmp>/var/lib/dpkg/info/dictd.postinst configure 1.10.11.dfsg-2 Restarting dictionary server: dictd. [EMAIL PROTECTED]:/home/joey/tmp>ps ax |grep dictd 27131 ? Ss 0:00 dictd 1.10.11: 0/0 All good so far, but now try reinstalling: [EMAIL PROTECTED]:/home/joey/tmp>dpkg -i dictd_1.10.11.dfsg-2_i386.deb (Reading database ... 207054 files and directories currently installed.) Preparing to replace dictd 1.10.11.dfsg-2 (using dictd_1.10.11.dfsg-2_i386.deb) ... usermod: no changes Unpacking replacement dictd ... Setting up dictd (1.10.11.dfsg-2) ... Restarting dictionary server: dictd. Processing triggers for man-db ... [EMAIL PROTECTED]:/home/joey/tmp>ps ax |grep dictd 27131 ? Ss 0:00 dictd 1.10.11: 0/0 pid did not change despite it "restarting" and now it's hosed: [EMAIL PROTECTED]:/home/joey/tmp>/etc/init.d/dictd restart Restarting dictionary server: dictd. [EMAIL PROTECTED]:/home/joey/tmp>/etc/init.d/dictd stop Stopping dictionary server: dictd (not running). [EMAIL PROTECTED]:/home/joey/tmp>ps ax |grep dictd 27131 ? Ss 0:00 dictd 1.10.11: 0/0 The init script uses this to test if it's running, and after dpkg replaces the binary it fails. [EMAIL PROTECTED]:/home/joey/tmp>start-stop-daemon --start --quiet --pidfile /var/run/dictd.pid --exec /usr/sbin/dictd --test -v Would start /usr/sbin/dictd . -- see shy jo
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