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Re: "mbox note: Can't open file://L:\ods\rtoy\Cygnus/ for reading: Unrecognisable file format" errors whilst executing setup.exe


Heath Kehoe wrote:
- Using setup.exe version 2.677
- We have a local mirror which is updated using rsync (daily)
- The local mirror is accessed as a network share on the Windows machines, which is mapped to a drive letter.
- In setup.exe, select 'Install from Local Directory'
- The root directory is: C:\cygwin
- Install for: All users
- Local package directory for us is: M:\apps\cygwin (the network share)
- Select all packages to install (if it's a new installation. For an upgrade we take the default selections)
- During the installation, we get pop-ups that say "can't open M:\apps\cygwin for reading: Unrecognisable file format". Those pop-ups must be dismissed for the installation to finish, and they happen many times (52 times for a new, full installation)
- Once setup is complete, Cygwin appears to work OK.
- We've observed this on both fresh new installations as well as with upgrades from 1.5
- We've observed this on Win7 64bit and on XP 32bit.


These lines appear throughout setup.log.full and correspond to the popups:
2010/01/27 17:27:12 mbox note: Can't open file://M:\apps\cygwin\Current/ for reading: Unrecognisable file format


Hopefully this is enough detail :)
-heath


I have some more information on this. The errors correspond to packages which are in setup.ini without install: or source: lines, for example:


ORBit
cogito
libIDL
libxml-devel
libxml1
(etc)

These packages wind up in install_q in do_install_thread(); and so get passed to Installer::installOne(). As there's no 'install:' field in setup.ini, the packagesource 'filename' and 'canonical' members are NULL; and the 'cached' member ends up containing 'local_dir' with nothing else; hence the mbox message that we see.

I'm not sure why this only seems to manifest when using a network drive as the package source (or cache).

Anyway, for now I'm going to just comment out the call to note() at install.cc:295 so that my users can do installations without having to dismiss that popup 52 times.

-heath


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