#10339: Simplify spkg/pipestatus
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Reporter: jdemeyer | Owner: GeorgSWeber
Type: defect | Status: new
Priority: major | Milestone: sage-4.6.1
Component: build | Keywords: pipestatus Makefile
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by leif):
Replying to [comment:11 jdemeyer]:
> How did a discussion of pipestatus turn in a discussion about a bash
spkg?
That's actually a continued discussion...
> The point is, it is easy to implement something like pipestatus on OS X
10.4 ''without'' a bash spkg, so what's the problem?
Go ahead. (If it doesn't make worse what we currently have, which is
really suboptimal).
But it's obviously the most easiest thing to simply use a useful feature
of a shell we already require anyway.
I'd say define a variable name (e.g. `PIPE_STATUS`) for what makes up
`pipestatus` and then let `$PIPE_STATUS cmd1 cmd2` either call a Bash-3.0
function (using the `pipefail` shell option) or call a `pipestatus`
script, from which we can remove the first case. Of course the second
implementation could also be made into a shell function, though more
complex.
As mentioned elsewhere, I would also move the logging (`tee`s) from `deps`
to `sage-spkg`, which simplifies things.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10339#comment:12>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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