Create a virtual cron daemon package that:
- Has to provide /usr/bin/crontab and support crontab entries
- Correct execution of /etc/cron.d
- Correct support of /etc/crontab
- Support of crontab entries with names for days and months,
ranges, step values
- Correct execution of /etc/cron.{hourly,daily,weekly,monthly}
Signed-off-by: Javier Fernández-Sanguino Peña <j...@computer.org>
Signed-off-by: Manoj Srivastava <sriva...@debian.org>
---
policy.sgml | 39 +++++++++++++++++++++++++++++++++++++--
virtual-package-names-list.txt | 4 ++++
2 files changed, 41 insertions(+), 2 deletions(-)
diff --git a/policy.sgml b/policy.sgml
index 042e82f..76ac0d4 100644
--- a/policy.sgml
+++ b/policy.sgml
@@ -6552,13 +6552,48 @@ Reloading <var>description</var> configuration...done.
<prgn>anacron</prgn>. Thus, you should only use this
directory for jobs which may be skipped if the system is not
running.)</p>
+ <p>
+ Unlike <file>crontab</file> files described in the IEEE Std
+ 1003.1-2008 (POSIX.1) available from
+ <url id="http://www.opengroup.org/onlinepubs/9699919799/";
+ name="The Open Group">, the files in
+ <file>/etc/cron.d</file> and the file
+ <file>/etc/crontab</file> have seven fields; namely:
+ <enumlist>
+ <item>Minute [0,59]</item>
+ <item>Hour [0,23]</item>
+ <item>Day of the month [1,31]</item>
+ <item>Month of the year [1,12]</item>
+ <item>Day of the week ([0,6] with 0=Sunday)</item>
+ <item>Username</item>
+ <item>Command to be run</item>
+ </enumlist>
+ Ranges of numbers are allowed. Ranges are two numbers
+ separated with a hyphen. The specified range is inclusive.
+ Lists are allowed. A list is a set of numbers (or ranges)
+ separated by commas. Step values can be used in conjunction
+ with ranges.
+ </p>
<p>
- The scripts or crontab entries in these directories should
+ The scripts or <tt>crontab</tt> entries in these directories should
check if all necessary programs are installed before they
try to execute them. Otherwise, problems will arise when a
package was removed but not purged since configuration files
- are kept on the system in this situation.</p>
+ are kept on the system in this situation.
+ </p>
+
+ <p>
+ Any <tt>cron</tt> daemon must provide
+ <file>/usr/bin/crontab</file> and support normal
+ <tt>crontab</tt> entries as specified in POSIX. The daemon
+ must also support names for days and months, ranges, and
+ step values. It has to support <file>/etc/crontab</file>,
+ and correctly execute the scripts in
+ <file>/etc/cron.d</file>. The daemon must also correctly
+ execute scripts in
+ <file>/etc/cron.{hourly,daily,weekly,monthly}</file>.
+ </p>
</sect>
<sect id="menus">
diff --git a/virtual-package-names-list.txt b/virtual-package-names-list.txt
index d1beab8..9ba66e5 100644
--- a/virtual-package-names-list.txt
+++ b/virtual-package-names-list.txt
@@ -83,6 +83,7 @@ System
other applications
time-daemon anything that serves as a time daemon
ups-monitor anything that is capable of controlling an UPS
+ cron-daemon Any cron daemon that correctly follows policy
requirements
Documentation
-------------
@@ -315,3 +316,6 @@ Russ Allbery:
Rename inetd-superserver to inet-superserver
2 Dec 2007 Added ttf-japanese-gothic
Added ttf-japanese-mincho
+
+Manoj Srivastava:
+ 21 Nov 2009 (Re)Added cron-daemon
--
1.6.5.3
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