Date: Thu, 26 Aug 2004 02:28:47 -0700 From: kstewart <kstewart@owt.com> To: FreeBSD-Questions@freebsd.org, krinklyfig@spymac.com Subject: Re: crontab question involving cvsup Message-ID: <200408260228.47205.kstewart@owt.com> In-Reply-To: <200408260109.12229.krinklyfig@spymac.com> References: <200408260007.26659.krinklyfig@spymac.com> <20040826034220.65118714@localhost> <200408260109.12229.krinklyfig@spymac.com>
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On Thursday 26 August 2004 01:09 am, Joshua Tinnin wrote: > On Thursday 26 August 2004 12:42 am, epilogue <epilogue@allstream.net> > > wrote: > > On Thu, 26 Aug 2004 00:07:26 -0700 > > > > Joshua Tinnin <krinklyfig@spymac.com> wrote: > > > OK, I have searched the archives, and I can't find that my question > > > has been answered previously, but please forgive me if that's > > > incorrect. > > > > > > I'm using (or rather trying to use) cron to update my ports tree > > > daily. I've tried several different combinations without success, > > > and lately this is what I have in my crontab file: > > > > > > /usr/local/bin/cvsup -g -L 2 > > > /home/krinklyfig/supfiles/ports-supfile && /usr/local/bin/portindex > > > && /usr/local/sbin/portsdb -u > > > > > > It runs as root once a day. What appears to be happening is that > > > the cvsup is happening, but portindex is not, and because of the > > > latter portsdb -u doesn't either. The reason I know cvsup is > > > working is because portindex indicates that the ports tree has been > > > updated if I run it manually later, but running portversion before > > > manually running portindex will not indicate any changes. The cron > > > log doesn't show anything but the commands being executed. So, my > > > question is: is this type of command valid, or should each command > > > be separate? Or is it not working for some other reason? > > > > man cron gives: > > > > crontab [-u user] file > > > > 'file' being the important part, methinks. ;) > > I'm not sure what you mean ... If you're wondering, I'm using the main > crontab file (/etc/crontab), as right now there's no need for me to use > multiple ones. > > > what you might want to do, is simply write a shell script and feed > > that into your crontab. in case you're not sure how to make a > > script, it is very simple and google will return many tutorials. > > I had considered this, and eventually would like to do so, as I'd like > to add the output of fastest_cvsup to the server listed in the supfile. > > > in a nutshell, you put the commands you want into a file, make that > > file executable (chmod), and away you go. > > > > the first line of a shell script has an obligatory format and invokes > > the shell that will be used. > > > > #!/bin/sh << the leading # is required > > /usr/local/bin/cvsup -L 2 /foo/path/to/your/ports-supfile; > > # comments are allowed > > portindex; > > exit > > Is verbosity of -L 2 allowed in a script without output? IOW, should > that first line be: > > /usr/local/bin/cvsup -L 2 /path/to/supfile > /dev/null 2>&1; > > Or does it matter if the output has nowhere to go? > > > note: you might also prefer to end commands with && rather than ; > > > > i'm new to scripting myself so please forgive my feeble explanation. > > I'm pretty new to scripting as well. Does ; allow the next line to run, > even if the previous one didn't, as opposed to && which would only > allow the next line to run if the previous one was successful? (This > would be similar to how a one-line command works outside a script.) > > > about the commands which you are planning to include, why the > > 'portsdb -u'? is that not doing essentially the same work as > > 'portindex' ? > > > > (http://www.freshports.org/sysutils/portindex/) > > No, portindex doesn't update the database. The command portsdb -U > generates an INDEX, which is what portindex does (although portindex > does it faster), while portsdb -u generates the INDEX.db from the ports > INDEX file. However, the database is generated automatically if need be > when it's looked up, so it's not necessary - man portsdb mentions this > - but I like to have my ducks in a row, so to speak ;) > > > anyhow. hope this helps. > > Yes, it has me thinking I should probably start testing out a script, > but it will include a bit more than just cvsup'ping, updating the INDEX > and database. Thanks. > This is my cron job. I don't test for completion because of the multiple commands I execute. It doesn't fail very often. It also include the usage of portindex and portsdb. ruby# m uports #! /bin/sh export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/X11R6/bin:/root/bin cd /root/cvsup cvsup -g -L 2 ports-supfile 2>&1 | tee /var/log/build/ports_cvsup.log cd /var/log/build # Now convert the log to html` cvsuplog < ports_cvsup.log > ports-`date "+%Y%m%d-%H%M"`.html # Now update the index pages. cd /usr/ports # # make bzip2 backup and save 4 old ones for the days when make index # is broken # rm INDEX.3.bz2 mv INDEX.2.bz2 INDEX.3.bz2 mv INDEX.1.bz2 INDEX.2.bz2 mv INDEX.0.bz2 INDEX.1.bz2 bzip2 -c INDEX > INDEX.0.bz2 # # get new INDEX #make index 2>&1 | tee /var/log/build/make-index-`date "+%Y%m%d-%H%M"`.log portindex 2>&1 | tee /var/log/build/make-index-`date "+%Y%m%d-%H%M"`.log # #fetch www.freebsd.org/ports/INDEX #chmod 644 INDEX portsdb -u -- Kent Stewart Richland, WA http://users.owt.com/kstewart/index.html Support the Bison at http://www.buffalofieldcampaign.org/
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