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### Please describe the problem.
The shim for the standalone version of git annex invokes the dynamic linker with --library-path set appropriatly. glibc's parsing of library-path treats : and ; as seperaters and has no quoting syntax for those characters. Also path items have to be absolute paths so you can't avoid having the whole path.
As a result if you install the standalone version in a directory whose path includes either of those characters it will produce a library-path that's interpreted incorrectly leading to it looking for the libraries in the wrong place and potentially eventually using the system's installed versions if they are available.
### What steps will reproduce the problem?
1. Find a system with as few libraries installed as possible. libnettle.so.6 is an easy one to avoid.
2. create a directory called 'test;test'
3. install git annex standalone in 'test;test'
4. use the standalone git annex to do a 'git annex get'
5. there will be an error saying it can't find libnettle.so.6
### What version of git-annex are you using? On what operating system?
This bug applies to any version. with a ':' it will probably occur on any unix, with a ';' it will occur on at least Linux and Solaris.
### Please provide any additional information below.
This bug can't be fixed. It's unlikely to trip people up but might with a bad combination of label-based drive mounting and odd drive labels. The worst case would be incompatable libraries on the system install which could lead to data corruption.
I recommend that the git annex shim should check for ':' or ';' in the path and exit non-zero if they are found.
[[!format sh """
# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log
jdamery-iabak@oklina:/mnt/iabak-ext;/IA.BAK/shard9$ PATH=../git-annex.linux/:$PATH git annex get prelinger_library/11annualreport00unitrich/11annualreport00unitrich_raw_jp2.zip
get prelinger_library/11annualreport00unitrich/11annualreport00unitrich_raw_jp2.zip (from web...)
/mnt/iabak-ext;/IA.BAK/git-annex.linux/shimmed/wget/wget: error while loading shared libraries: libnettle.so.6: cannot open shared object file: No such file or directory
Unable to access these remotes: web
Try making some of these repositories available:
00000000-0000-0000-0000-000000000001 -- web
failed
git-annex: get: 1 failed
# End of transcript or log.
"""]]