PLD Linux Distribution

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====== Distfiles ======

PLD [[http://git.pld-linux.org/cgi-bin/cgit.cgi/projects/distfiles.git/|distfiles]] handles storing external sources in distfiles.

The files are stored under ''/distfiles/by-md5/X/Y/HASH/FILENAME'',
for example: ''/distfiles/by-md5/8/1/81348932d5da294953e15d4814c74dd1/bash-4.3.tar.gz''. files in distfiles itself are accessible by ''http'' and ''ftp'' protocols.

===== Using sources file =====

Besides indicating with ''# SourceX-md5'' that source should be stored in distfiles,
a combination of distfiles handler and builder macros, allow to use ''sources'' file.

''sources'' file format: ''MD5-HASH *FILENAME'', the asterisk is ignored. for example:
<code - sources>
bf8d53d227829d67235927689a03cc7a  bash43-004
c0c00935c8b8ffff76e8ab77e7be7d15 *bash43-005
</code>

As you can see, there's no url in that file, to indicate where to fetch, You should have ''SourceX'' with same basename in your ''.spec'':
<code rpmspec>
Patch10004:     http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-004
Patch10005:     http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-005
</code>

==== patchset macro ====

Listing sources in ''.spec'' and ''sources'' file can be annoying and duplicate work.

Therefore ''%patchset_source'' macro was created.

in Preamble define ''%patchset_source'' to inject to ''.spec'' file extra ''SourceX'' definitions:
<code rpmspec>
%patchset_source -f http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-%03g 1 %{patchlevel}
</code>

this would parse:
<code>
$ rpm -E '%patchset_source -f http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-%03g 1 3'
Patch10001:     http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-001
Patch10002:     http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-002
Patch10003:     http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-003 
</code>
===== Manually forcing distfiles fetch =====

use ''make-request'' ''-df'' paramter:

<code>
$ ./make-request.sh -n bash:master -df
Distfiles Request: bash:master via /usr/sbin/sendmail
</code>


===== Dropin =====

  * Uploading to dropin can be done using ''scp'' to either dropin@dropin.pld-linux.org or distfiles@dropin.pld-linux.org.
    * SSH keys are copied from the git@ ''authorized_keys'' to the dropin@ ''authorized_keys'' using a gitolite hook (''~git/.gitolite/hooks/gitolite-admin/post-update.secondary''), therefore it has to be writable by git user.
  * Openssh is configured to chroot both accounts into ''/var/lib/dropin'' and then run ''rssh'' which is configured to only allow ''scp'' transfers.
    * There's a minimal env in ''/var/lib/dropin'' that contains ''rssh'' and ''scp''.
  * Uploaded files end up in ''/var/lib/dropin/dropin''.
    * Stale files get deleted after 30 days by tmpwatch.
  * The scripts responsible for sending the files from dropin to distfiles (and then deleting them from dropin) are in ''~dfadm/distfiles''.
    * ''run-ff.sh'' is run from dfadm's crontab every minute.
    * ''chmodd.sh'' is a simple inotifywait-based script that always runs in the background (started from ''rc.local'' on system boot) and does a proper chmod on all uploaded files.