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Bug 31591 - Store older tar.gzip files on gentoo mirrors until newer packages are added to portage
Summary: Store older tar.gzip files on gentoo mirrors until newer packages are added t...
Status: RESOLVED INVALID
Alias: None
Product: Portage Development
Classification: Unclassified
Component: Unclassified (show other bugs)
Hardware: All Linux
: High enhancement (vote)
Assignee: Jon Portnoy (RETIRED)
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2003-10-20 05:49 UTC by David Bailey
Modified: 2011-10-30 22:21 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description David Bailey 2003-10-20 05:49:28 UTC
I reported bug 28093 a while back. The problem was caused because the folks who 
make ncftp available released a new version and took the old version off their 
FTP site.

Portage failed to do an "emerge ncftp" because the source file wasn't there 
anymore.

Now I can manually search for an alternate source, download it manually, and 
continue, but I would say that it may make sense to do something so that the 
transition is a bit smoother, at the risk of losing some of the impetus to fix 
these issues quickly.

If you were to put an option into the portage scripts that if the item cannot 
be found at the selected mirror, that it then goes to the authoritative source, 
and if it still can't find it, it looks for the package in the gentoo mirror 
before failing.

This would allow you to support downloading an older, removed, package that 
would cause portage to break until the new package can be added to portage.

The costs?

1. Security issues- but a message to the user like "The file needed by Portage 
to compile this software has been removed from the primary source. This may be 
due an update released to fix problems, or it may just be because there are new 
features available. Do you want to search the Gentoo mirrors for the older 
version?"

2. The space and bandwidth on the gentoo mirrors to store these files until the 
new version of the package is added to portage.

3. Someone would have to take the time to get the older package and put it on 
the gentoo mirror sites.

What do you think?

Reproducible: Always
Steps to Reproduce:
1.
2.
3.
Comment 1 Marius Mauch (RETIRED) gentoo-dev 2003-10-20 06:43:04 UTC
Ehm, it already works that way although in a different order:
- first it checks all mirrors in GENTOO_MIRRORS (use mirrorselect to change
that)
- then it checks the value in SRC_URI which can be a mirror:// url again
(like for sourceforge projects), but that should be the authorative site

So as long as the file is on the mirrors you should get it.
Comment 2 David Bailey 2003-10-20 07:33:03 UTC
Well, I am a Gentoo newbie, but Portage didn't do this for me.

Does Gentoo track and keep copies of ALL the packages it builds that are
not available from the primary download source? That is in fact what I think
would provide a smoother transition as packages are updated on the primary
sources and are not yet supported by Portage.

The steps would be-

1. User reports that a certain software package is broken. (IE- it can't
be downloaded.)
2. Part of the development team notes that this is due to the fact that the
old version cannot be downloaded from the primary source (or its mirrors)
3. The development team mirrors the older software package on the Gentoo
mirrors (IE- such as ncftp 3.1.5) and inform the user so that they can retry
the download, and Portage would then inform the user that only the "older"
package is available through the Gentoo mirrors before downloading and building
it.
4. The development team updates Portage to use the new version of the package
(IE- ncftp 3.1.6)

The key here is that users using Gentoo will be able to build packages (such
as ncftp) while step 4 is occuring. Right now, they can't without manually
downloading the old version from another source.
Comment 3 Marius Mauch (RETIRED) gentoo-dev 2003-10-20 08:26:40 UTC
I think this is avenj's domain then
Comment 4 Jon Portnoy (RETIRED) gentoo-dev 2003-10-20 08:35:15 UTC
All files (that aren't marked RESTRICT=nomirror or RESTRICT=fetch) are mirrored
to our distfiles mirrors automatically. At one point, the script doing this
was not very effective and files were not mirrored consistently, but this
is no longer a problem.