#9811: sage exits with 0, even if it is unable to install a package.
------------------------+---------------------------------------------------
Reporter: drkirkby | Owner: GeorgSWeber
Type: defect | Status: new
Priority: major | Milestone: sage-4.6
Component: build | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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I wanted to do some testing of Sage in a loop and would check the return
code to see if what I used worked or not. But this is impossible, as Sage
appears to exit with 0, even if it should not have. In the example below,
I try to install a non-existent package using Sage. The return code in a
case like this should be non-zero, but it is not.
{{{
drkir...@hawk:~/sage-4.5.2$ ./sage -f some-non-existant-package
Force installing some-non-existant-package
Calling sage-spkg on some-non-existant-package
Warning: Attempted to overwrite SAGE_ROOT environment variable
Building Sage on Solaris in 64-bit mode
Creating SAGE_LOCAL/lib/sage-64.txt since it does not exist
Detected SAGE64 flag
Building Sage on Solaris in 64-bit mode
some-non-existant-package
Machine:
SunOS hawk 5.11 snv_134 i86pc i386 i86pc
Deleting directories from past builds of previous/current versions of
some-non-existant-package
/export/home/drkirkby/sage-4.5.2/local/bin/sage-spkg: file some-non-
existant-package does not exist
Attempting to download it.
http://www.sagemath.org//packages/optional/some-non-existant-package.spkg
--> some-non-existant-package.spkg
[ ]
http://www.sagemath.org//packages/standard/some-non-existant-package.spkg
--> some-non-existant-package.spkg
[ ]
http://www.sagemath.org//packages/experimental/some-non-existant-
package.spkg --> some-non-existant-package.spkg
[ ]
http://www.sagemath.org//packages/archive/some-non-existant-package.spkg
--> some-non-existant-package.spkg
[ ]
**********************************************************************
* Unable to download some-non-existant-package
* Please see http://www.sagemath.org//packages for a list of valid
* packages or check the package name.
**********************************************************************
sage: Failed to download package some-non-existant-package from
http://www.sagemath.org/
drkir...@hawk:~/sage-4.5.2$ $?
bash: 0: command not found
drkir...@hawk:~/sage-4.5.2$
}}}
In contrast, if I try this with a well written command like {{{ls}}}
{{{
drkir...@hawk:~/sage-4.5.2$ ls some-non-existant-package
some-non-existant-package: No such file or directory
drkir...@hawk:~/sage-4.5.2$ $?
bash: 2: command not found
}}}
the exit code is non-zero - in this case 2.
Also on a similar theme is #9799, showing that {{{make}}} can exit with
the wrong code too.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9811>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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