X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=policy.sgml;h=2d72b29f5d623cf388650653cb65bc885946b0b5;hb=f8268e8c682f99a73c390c28c4fef5e0136582a8;hp=16ffc0f98a2e9e20dd86ea6b6e0d89bc2c650fc3;hpb=c316cdbc5878da6eed332d5e07043bef3dd6a138;p=debian%2Fdebian-policy.git diff --git a/policy.sgml b/policy.sgml index 16ffc0f..2d72b29 100644 --- a/policy.sgml +++ b/policy.sgml @@ -258,7 +258,6 @@ - @@ -490,9 +489,9 @@ must not require or recommend a package outside of main for compilation or execution (thus, the - package must not declare a "Depends", "Recommends", or - "Build-Depends" relationship on a non-main - package), + package must not declare a "Pre-Depends", "Depends", + "Recommends", "Build-Depends", or "Build-Depends-Indep" + relationship on a non-main package), must not be so buggy that we refuse to support them, @@ -7140,18 +7139,20 @@ Reloading description configuration...done.

- + Cron jobs

Packages must not modify the configuration file /etc/crontab, and they must not modify the files in - /var/spool/cron/crontabs.

+ /var/spool/cron/crontabs. +

- If a package wants to install a job that has to be executed - via cron, it should place a file with the name of the - package in one or more of the following directories: + If a package wants to install a job that has to be executed via + cron, it should place a file named as specified + in into one or more of the following + directories: /etc/cron.hourly /etc/cron.daily @@ -7161,7 +7162,8 @@ Reloading description configuration...done. As these directory names imply, the files within them are executed on an hourly, daily, weekly, or monthly basis, respectively. The exact times are listed in - /etc/crontab.

+ /etc/crontab. +

All files installed in any of these directories must be @@ -7172,15 +7174,18 @@ Reloading description configuration...done.

If a certain job has to be executed at some other frequency or - at a specific time, the package should install a file - /etc/cron.d/package. This file uses the - same syntax as /etc/crontab and is processed by - cron automatically. The file must also be + at a specific time, the package should install a file in + /etc/cron.d with a name as specified + in . This file uses the same syntax + as /etc/crontab and is processed + by cron automatically. The file must also be treated as a configuration file. (Note that entries in the /etc/cron.d directory are not handled by anacron. Thus, you should only use this directory for jobs which may be skipped if the system is not - running.)

+ running.) +

+

Unlike crontab files described in the IEEE Std 1003.1-2008 (POSIX.1) available from @@ -7223,6 +7228,30 @@ Reloading description configuration...done. execute scripts in /etc/cron.{hourly,daily,weekly,monthly}.

+ + + Cron job file names + +

+ The file name of a cron job file should normally match the + name of the package from which it comes. +

+ +

+ If a package supplies multiple cron job files files in the + same directory, the file names should all start with the name + of the package (possibly modified as described below) followed + by a hyphen (-) and a suitable suffix. +

+ +

+ A cron job file name must not include any period or plus + characters (. or +) characters as this will + cause cron to ignore the file. Underscores (_) + should be used instead of . and + + characters. +

+ @@ -7271,7 +7300,7 @@ Reloading description configuration...done. MIME (Multipurpose Internet Mail Extensions, RFCs 2045-2049) is a mechanism for encoding files and data streams and providing meta-information about them, in particular their - type (e.g. audio or video) and format (e.g. PNG, HTML, + type (e.g. audio or video) and format (e.g. PNG, HTML, MP3).

@@ -7288,11 +7317,25 @@ Reloading description configuration...done.

- The MIME support policy can be found in the mime-policy - files in the debian-policy package. - It is also available from the Debian web mirrors at - . + The mime-support package provides the + update-mime program which allows packages to + register programs that can show, compose, edit or print + MIME types. +

+ +

+ Packages containing such programs must register them + with update-mime as documented in . They should not depend + on, recommend, or suggest mime-support. Instead, + they should just put something like the following in the + postinst and postrm scripts: + + + if [ -x /usr/sbin/update-mime ]; then + update-mime + fi +

@@ -8187,22 +8230,6 @@ ln -fs ../sbin/sendmail debian/tmp/usr/bin/runq Sharing configuration files -

- Packages which specify the same file as a - conffile must be tagged as conflicting - with each other. (This is an instance of the general rule - about not sharing files. Note that neither alternatives - nor diversions are likely to be appropriate in this case; - in particular, dpkg does not handle diverted - conffiles well.) -

- -

- The maintainer scripts must not alter a conffile - of any package, including the one the scripts - belong to. -

-

If two or more packages use the same configuration file and it is reasonable for both to be installed at the same @@ -8252,6 +8279,34 @@ ln -fs ../sbin/sendmail debian/tmp/usr/bin/runq and which manages the shared configuration files. (The sgml-base package is a good example.)

+ +

+ If the configuration file cannot be shared as described above, + the packages must be marked as conflicting with each other. + Two packages that specify the same file as + a conffile must conflict. This is an instance of the + general rule about not sharing files. Neither alternatives + nor diversions are likely to be appropriate in this case; in + particular, dpkg does not handle diverted + conffiles well. +

+ +

+ When two packages both declare the same conffile, they + may see left-over configuration files from each other even + though they conflict with each other. If a user removes + (without purging) one of the packages and installs the other, + the new package will take over the conffile from the + old package. If the file was modified by the user, it will be + treated the same as any other locally + modified conffile during an upgrade. +

+ +

+ The maintainer scripts must not alter a conffile + of any package, including the one the scripts + belong to. +

@@ -9757,9 +9812,8 @@ END-INFO-DIR-ENTRY

In addition, the copyright file must say where the upstream - sources (if any) were obtained. It should name the original - authors of the package and the Debian maintainer(s) who were - involved with its creation. + sources (if any) were obtained, and should name the original + authors.

@@ -11274,7 +11328,7 @@ END-INFO-DIR-ENTRY dpkg-divert --package smailwrapper --remove --rename \ --divert /usr/sbin/smail.real /usr/sbin/smail fi - where 1.02-2 is the version at which the + where 1.0-2 is the version at which the diversion was first added to the package. The postrm should not remove the diversion on upgrades both because there's no reason to remove the diversion only to immediately re-add it and since the