#14166: use "cp -pR", not "cp -pr"
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Reporter: jhpalmieri | Owner: leif
Type: defect | Status: needs_review
Priority: blocker | Milestone: sage-5.8
Component: scripts | Resolution:
Keywords: cp symlink | Work issues:
Report Upstream: N/A | Reviewers:
Authors: John Palmieri | Merged in:
Dependencies: | Stopgaps:
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Description changed by jhpalmieri:
Old description:
> According to [http://www.gnu.org/savannah-
> checkouts/gnu/autoconf/manual/autoconf-2.68/html_node/Limitations-of-
> Usual-Tools.html#Limitations-of-Usual-Tools], we should avoid the "-r"
> flag for `cp`. On linux, using "-r" or "-R" doesn't make a difference,
> but on OS X, the man page for cp says that with the -r flag, "it does not
> correctly copy special files, symbolic links, or fifo's."
>
> As a result, after building from scratch using #6495 on OS X, the various
> files `doc/en/reference/MODULE/conf.py`, which are all supposed to by
> symlinks to `doc/en/reference/conf_sub.py`, are copies of that file
> instead, and the hg repo is not clean. So I'm marking this as a blocker.
> I think that to fix the real problem, only the Sage library needs to be
> patched, but we might as well apply the scripts patch as well. I think
> that the only other instance of "cp -pr" in any spkg is in the R spkg,
> and I don't think those instances are worth fixing right now.
New description:
According to [http://www.gnu.org/savannah-
checkouts/gnu/autoconf/manual/autoconf-2.68/html_node/Limitations-of-
Usual-Tools.html#Limitations-of-Usual-Tools], we should avoid the "-r"
flag for `cp`. On linux, using "-r" or "-R" doesn't make a difference, but
on OS X, the man page for cp says that with the -r flag, "it does not
correctly copy special files, symbolic links, or fifo's."
As a result, after building from scratch using #6495 on OS X or
!OpenSolaris, the various files `doc/en/reference/MODULE/conf.py`, which
are all supposed to by symlinks to `doc/en/reference/conf_sub.py`, are
copies of that file instead, and the hg repo is not clean. So I'm marking
this as a blocker. I think that to fix the real problem, only the Sage
library needs to be patched, but we might as well apply the scripts patch
as well. I think that the only other instance of "cp -pr" in any spkg is
in the R spkg, and I don't think those instances are worth fixing right
now.
--
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14166#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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