#20119: More typical dmg for Mac distribution
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Reporter: mgoerner | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-wishlist
Component: porting | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by mgoerner):
I left out some fine print when I said "all the is necessary". It is not
quiet as easy, but solvable!
The problem is that the volume name in the dmg we are creating is changing
since it contains the sage version number. And the .DT_store doesn't save
a relative path to the background image but a pair (volume name, absolute
path within volume), so we need to update the .DT_store for every release.
Luckily, there are pure python tools to update the .DT_store file such as
[https://pypi.python.org/pypi/ds_store ds_store] and
[https://pypi.python.org/pypi/mac_alias mac_alias] so that we can create a
.DT_store file by hand once in finder and then do the update
programmatically for subsequent releases or flavors.
dmg-builder for example does that
[https://bitbucket.org/al45tair/dmgbuild/src/b08746ed79385ccc512cc23342cf698c5ba0bd3e/dmgbuild/core.py?at=default&fileviewer
=file-view-default#core.py-355 here]
We can write a little python script invoked by local/bin/sage-bdist to use
the above libraries to:
- ds_store.DSStore.open the file
- get the value at the key [ '.' ][ 'icvp' ][ 'backgroundImageAlias' ]
- deserialize to a mac_alias.Alias object
- change the volume name in that object's volume info
- write it all back
mac_alias seems to use Mac OS X specific API, so we might need to use the
system's python for that.
One question I have if I were to implement it: this would mean that the
dmg build process becomes dependent on the above packages ds_store and
mac_alias, where should these be installed?
--
Ticket URL: <http://trac.sagemath.org/ticket/20119#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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