[Bug 1628279] Re: python utilities script suffix (.py) should be removed as per Policy 10.4

[Robie Basak]

13:48 <slashd> Hi SRU vanguard, could you please nominate LP:  #1628279
affecting Xenial ?

13:48 <ubot5> Launchpad bug 1628279 in zfs-linux (Ubuntu) "python
utilities script suffix (.py) should be removed as per Policy 10.4"
[Low,Fix released] https://launchpad.net/bugs/1628279

13:48 <apw> slashd, done

13:49 <slashd> apw, tks

14:00 <rbasak> slashd: won't that regress Xenial users by definition?

14:01 <apw> yep, looks like it will ... perhaps we should be offering
them under both names in this

14:02 <rbasak> Yeah, adding symlinks makes sense. Then users can rely on
the new names, but users  relying on the old names won't break before a
release upgrade.

14:02 <apw> rbasak, perhaps copy that into the bug, i do not believe
they have done the work on teh sru yet

14:02 <rbasak> Will do

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https://bugs.launchpad.net/bugs/1628279

Title:
  python utilities script suffix (.py) should be removed as per Policy
  10.4

Status in zfs-linux package in Ubuntu:
  Fix Released
Status in zfs-linux source package in Xenial:
  In Progress

Bug description:
  [Impact]

  The zfs utilities scripts shipped with debian and ubuntu such as :

      * arc_summary.py : Provides a summary of the statistics
      * arcstat.py : Print out ZFS ARC Statistics exported via kstat(1)
      * dbufstat.py : Print out statistics for all cached dmu buffers

  should be renamed according to Policy 10.4 :
  https://www.debian.org/doc/debian-policy/ch-files.html#s-scripts

  "When scripts are installed into a directory in the system PATH, the
  script name should not include an extension such as .sh or .pl that
  denotes the scripting language currently used to implement it."

  Ideally, this should be fixed and upstreamed to Debian (or to zfslinux
  upstream) as well.

  [Test Case]

   * Install zfsutils-linux
   * List files

   $ dpkg -L zfsutils-linux | egrep "arc|dbufstat"
     /usr/sbin/arc_summary.py
     /usr/sbin/arcstat.py
     /usr/sbin/dbufstat.py

  [Regression Potential]

   * none expected, this is a trivial change that simply rename the
  scripts to remove the extension (.py) with a simple 'mv' before the
  dh_install invocation in order to get this expected result :

  $ dpkg -L zfsutils-linux | egrep -i "arc|dbuf"
    /usr/sbin/arc_summary
    /usr/sbin/arcstat
    /usr/sbin/dbufstat

  [Other Info]

   * Justification/argument for Xenial
  https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1628279/comments/13
  https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1628279/comments/14

   * Upstream (ZoL) is reluctant to change it at upstream code level.
  https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1628279/comments/2

   * This has been flag by Adam Conrad
  https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1574342/comments/19

   * Debian policy
  https://www.debian.org/doc/debian-policy/ch-files.html#s-scripts

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