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Bug 292899 - app-editor/vim: strange symlinks breaks jailkit creation
Summary: app-editor/vim: strange symlinks breaks jailkit creation
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: AMD64 Linux
: High trivial (vote)
Assignee: Vim Maintainers
URL:
Whiteboard:
Keywords:
Depends on: 260593
Blocks:
  Show dependency tree
 
Reported: 2009-11-12 10:46 UTC by Scott
Modified: 2010-04-23 18:44 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Scott 2009-11-12 10:46:33 UTC
Some of the symlinks created when vim is emerged start with a double-slash. I discovered this when trying to create a jailkit chroot jail. The result is that the process hangs and the vi editor is never included in the chroot jail, and any other program set for inclusion after the editor.

Not sure if this is strictly considered a bug as the editor still works from the command-line. But it would be nice to have this fixed for use with automated jailkit creation scripts etc.

Reproducible: Always

Steps to Reproduce:
1. emerge app-editors/vim
2. ls -la /usr/bin/vi
3. ls -la /usr/share/vim/vim72/doc/gentoo-syntax.txt

Actual Results:  
/usr/bin/vi -> //usr/bin/vim
/usr/share/vim/vim72/doc/gentoo-syntax.txt -> //usr/share/vim/vimfiles/doc/gentoo-syntax.txt


Expected Results:  
/usr/bin/vi -> /usr/bin/vim
/usr/share/vim/vim72/doc/gentoo-syntax.txt -> /usr/share/vim/vimfiles/doc/gentoo-syntax.txt
Comment 1 Jim Ramsay (lack) (RETIRED) gentoo-dev 2009-11-24 13:58:10 UTC
I don't fully understand the problem.  A double-slash is equivalent to a single slash for every path parsing code I've ever encountered.  How is this 'jailkit' different?
Comment 2 Scott 2009-11-24 14:26:57 UTC
I'm not sure but when trying to create the jail using jk_init, with the editors section containing vi, the creation of the jail hangs on trying to find the path.

I wish I could provide a better explanation but when I removed the symlink and re-created it with a single slash it worked. Incidently when I changed the first symlink to the binary and re-ran jk_init it got stuck again on gentoo-syntax.txt.
Comment 3 Jeremy Olexa (darkside) (RETIRED) archtester gentoo-dev Security 2010-01-29 20:20:47 UTC
(In reply to comment #1)
> I don't fully understand the problem.  A double-slash is equivalent to a single
> slash for every path parsing code I've ever encountered.  How is this 'jailkit'
> different?
> 

Actually, according to POSIX, a double slash at the beginning is not equiv to a single slash. But, more slashes are fine. /////foo == ///foo == /foo != //foo

But this only applies to leasing slashes. Confusing, eh? :)

I noticed that the ebuild installs the double slash, but eselect vi set 1 does not.
Comment 4 Jim Ramsay (lack) (RETIRED) gentoo-dev 2010-04-23 17:31:57 UTC
Okay, this looks to be a problem with app-admin/eselect-vi and is probably identical to the root cause of bug #315613... We'll see about fixing that...
Comment 5 Jim Ramsay (lack) (RETIRED) gentoo-dev 2010-04-23 18:27:58 UTC
Aha, this is a known issue.  Should be solved by bug #260593
Comment 6 Jim Ramsay (lack) (RETIRED) gentoo-dev 2010-04-23 18:44:08 UTC
This should be fixed in app-admin/eselect-vi-1.1.7

After upgrading to eselect-vi-1.1.7 run 'eselect vi set vim' as root.