#13574: sage-spkg: check much earlier whether package is already installed
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Reporter: jdemeyer | Owner: GeorgSWeber
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.5
Component: build | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Jeroen Demeyer | Merged in:
Dependencies: | Stopgaps:
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Changes (by jdemeyer):
* status: new => needs_review
Old description:
> The script `spkg/bin/sage-spkg` ''first'' downloads a package if it
> doesn't exist, and ''then'' checks whether it should be installed. If we
> want to give `bdists` without spkgs (#6822) a chance, we should reverse
> this order and check ''first'' whether the package is already installed.
New description:
The script `spkg/bin/sage-spkg` ''first'' downloads a package if it
doesn't exist, and ''then'' checks whether it should be installed. If we
want to give `bdists` without spkgs (#6822) a chance, we should reverse
this order and check ''first'' whether the package is already installed.
This is actually slightly more involved when users do
{{{
./sage -i git
}}}
(i.e. a package name without version).
To be able to handle this properly, we need to have a second check whether
the package is already installed: after determining the version number
(from the online packages) but before downloading the package.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13574#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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