On Tue, 6 Mar 2018, Robert Nichols wrote:

> On 03/06/2018 06:34 AM, Robert P. J. Day wrote:
> >
> >    i'm curious about RH packaging policy that dictates that some
> > command variants are packaged for fedora to install with symlinks
> > and others with hardlinks.
> >
> >    trivial example in /usr/bin on my fedora 27 system:
> >
> >    -rwsr-xr-x.   1 root root        52984 Aug  2  2017 at
> >    lrwxrwxrwx.   1 root root            2 Aug  2  2017 atq -> at
> >    lrwxrwxrwx.   1 root root            2 Aug  2  2017 atrm -> at
> >
> > so even though all of those "commands" are in the very same directory,
> > atq and atrm are supported via symlinks, not hardlinks.
> >
> >    OTOH, consider the "git" command, also in /usr/bin:
> >
> >    -rwxr-xr-x. 116 root root 2273360 Feb 16 15:03 git
> >
> > as you can see, there are 116 hardlinks to that executable, pretty
> > much all of them in /usr/libexec/git-core:
> >
> >    -rwxr-xr-x. 116 root root 2273360 Feb 16 15:03 git
> >    -rwxr-xr-x. 116 root root 2273360 Feb 16 15:03 git-add
> >    -rwxr-xr-x.   1 root root   41441 Feb 16 15:03 git-add--interactive
> >    -rwxr-xr-x.   3 root root 2273360 Feb 16 15:03 git-am
> >    -rwxr-xr-x. 116 root root 2273360 Feb 16 15:03 git-annotate
> >    -rwxr-xr-x. 116 root root 2273360 Feb 16 15:03 git-apply
> >    -rwxr-xr-x. 116 root root 2273360 Feb 16 15:03 git-archive
> >    ... big snip ...
> >
> > is there a reason that "at" uses symlinks, while "git" installs
> > with hardlinks? one would imagine that it would be the other way
> > around -- given that the "at" variations are all in the same
> > directory, hardlinks would seem to be the better choice since
> > there is no possibility of crossing filesystem boundaries.
>
> In the case of "git" there's the matter of using 1 inode vs. 116
> inodes.

  sure, and that's admittedly an extreme case, but the same logic
applies to saving 2 or 3 inodes.

rday
_______________________________________________
users mailing list -- users@lists.fedoraproject.org
To unsubscribe send an email to users-le...@lists.fedoraproject.org

Reply via email to