#20884: line buffering in sage-logger causes "hang" due to invisible prompt when
installing experimental packages
-------------------------------------+-------------------------------------
Reporter: mkoeppe | Owner:
Type: defect | Status: new
Priority: critical | Milestone: sage-7.3
Component: build | Resolution:
Keywords: | Merged in:
Authors: Erik Bray | Reviewers: Dima Pasechnik,
| Matthias Koeppe
Report Upstream: N/A | Work issues:
Branch: u/embray/disable- | Commit:
exp-pkg-prompt | 705573623266f1017aa4a433e816c0e878960836
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by chapoton):
* commit: => 705573623266f1017aa4a433e816c0e878960836
* branch: 705573623266f1017aa4a433e816c0e878960836 => u/embray/disable-
exp-pkg-prompt
Comment:
re-introduced branch name
----
New commits:
||[https://git.sagemath.org/sage.git/commit?id=ccff00540641c9a7b19166c550433b6d4495a5ba
ccff005]||{{{Disable the y/n prompt when installing experimental
packages.}}}||
||[https://git.sagemath.org/sage.git/commit?id=611480df1194bb460abfbc77c6418bab1d0518e4
611480d]||{{{No matter what I do, even with sed --unbuffered, sed will
read either up to the EOF or the EOL, but otherwise buffers until
EOL.}}}||
||[https://git.sagemath.org/sage.git/commit?id=632fea7e3912f4769fa65413c62dbbaec098b613
632fea7]||{{{Add a new -y argument to sage-spkg to make it automatically
answer 'y' to all prompts.}}}||
||[https://git.sagemath.org/sage.git/commit?id=4f7b63f16b156891638b546427f4d9c7e66c7137
4f7b63f]||{{{Display an additional message when continuing
automatically}}}||
||[https://git.sagemath.org/sage.git/commit?id=bdcfff486256625b42541e505905e3a7d2e083e7
bdcfff4]||{{{Two fixes:}}}||
||[https://git.sagemath.org/sage.git/commit?id=0fc8fde498193be273b22ec69e5e97a67caa0dc0
0fc8fde]||{{{Change -N 1 to -n 1 in sage-logger, since the former does not
work on}}}||
||[https://git.sagemath.org/sage.git/commit?id=4ce1311c5eb580adc85ab95f596e85d13145847c
4ce1311]||{{{Don't use -d'' to read, since it mysteriously treats - as a
delimiter.}}}||
||[https://git.sagemath.org/sage.git/commit?id=7a6f70c6cb3f7106109d61093fc07240e4a5bfe1
7a6f70c]||{{{Now that we know what the correct syntax is, went back to
using `-d ''`}}}||
||[https://git.sagemath.org/sage.git/commit?id=705573623266f1017aa4a433e816c0e878960836
7055736]||{{{Replace one more example of echo -n with printf}}}||
--
Ticket URL: <https://trac.sagemath.org/ticket/20884#comment:69>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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