additional texmf tree for all users (was Re: [OS X TeX] Beginner help with TeXshop/MacTex needed)
Gerben Wierda
Gerben.Wierda at rna.nl
Sun Aug 27 23:48:40 CEST 2006
On Aug 26, 2006, at 12:56 , Rowland McDonnell wrote:
> (I am very worried about i-installer overwriting my data - in my
> previous attempt to install and use a modern Mac TeX (before MacTeX
> was
> put together; I tried using i-installer, and abandoned the attempt
> after
> some weeks of trying to crack it), I did find that i-installer threw
> away several hundred megabytes of data I'd downloaded (mostly via my
> dialup line), which did make me pretty unhappy. It's not safe
> software
> to use if you ask me - I intend to do a full backup before I run
> i-installer, *every* time I run it. I have the disc space to do so
> now.)
It is generally better for me to ignore messages/threads like this,
but for the record I want to state that the TeX i-Package does not
overwrite *any* data, except what is in /usr/local/teTeX (and even
not everything there: unless you explicitely tell the TeX i-Package
when uninstalling TeX, it will leave texmf.local alone), so if you
want your data overwritten you will first personally have to move you
stuff there.
The data the TeX i-Package overwrites/removes in /usr/local/teTeX it
*has* to if you do not want to risk a nonfunctional mess of old and
updated TeX when you update your i-Package and install it again
(think about a renamed subdirectory, like 'dstroke' being renamed to
'doublestroke' and you would install doublestroke but not remove
dstroke, which file would be used by TeX? I am not able to tell you)
What i-Installer *can* remove or overwrite is if you thin or update
your i-Package (in ~/Documents/i-Packages normally) and you *always*
get a warning panel before any of that will happen. My guess is that
this happened to you May last year, that you painstakingly downloaded
the TeX i-Package over a slow link and it got updated on the
reprository and you had to download it all over again when you
accepted the upgrade.When you accepted the upgrade, it did not tell
you that you had to download it all again. Which was bad luck, bcause
those upgrades are not that often. TeX is huge, and if it changes the
re-downloads are huge too. There is currently not much I can do about
that.
Having said that, it kind of irks me that this message (which could
scare people without there being a good reason for them to be
scared). None of what was removed/overwritten was your personal data
(but only inside the TeX i-Package) nor was any of it destructive for
your system or purpose. You just had to let i-Installer download the
updated version.
> Since i-installer does blindly over-write things without warning -
> well,
> of *course* it'll delete data you want to keep.
i-Installer does not blindly over-write anything without warning and
since it is open source people could check. Rowland, please download
the sources from SourceForge and tell me where it does so and I'll
eat humble pie and thank you for helping me fix the program. Until
then, it would be friendly to refrain from making these remarks.
As written above, the TeX i-Package (and other i-Packages) *have* to
remove previous installs before installing a new one because the
merger would be a (potential nonfunctional) mess.
For the rest, I advise people to read
http://tug.org/pipermail/macostex-archives/2005-September/017470.html
as we are seeing the beginning of a repeat here and those that do not
know the past are doomed to repeat it.
G
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