[gentoo-user] Is this a bug in equery

[gentoo-user] Is this a bug in equery

[Harry Putnam]

I'm trying to learn equery since qpkg is being laid to rest.  However
I'm finding the hints that appear when you syntax is wrong very
confusing.

Her is an example:

  equery files --type vim

Gives  the expected results 

but if you add a version number things get very confusing


   equery files --type vim-6.3

 equery files --type vim-6.3
[ Searching for packages matching vim-6.3... ]
!!! Invalid syntax: missing operator
!!! If you want only specific versions please use one of
!!! the following operators as prefix for the package name:
!!!    >  >=  =  <=  <
!!! Example to only match gcc versions greater or equal 3.2:
!!!    >=sys-devel/gcc-3.2


OK following the example give doesn't work:

  equery files --type >=app-editors/vim-6.3
 -bash: =app-editors/vim-6.3: No such file or directory

OR

  equery files  >=app-editors/vim-6.3
 -bash: =app-editors/vim-6.3: No such file or directory

That was following EXACTLY the given directions.

It appears one needs to quote that kind of query like:
  equery files  ">=app-editors/vim-6.3"

So that is what the directions need to say.

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Re: [gentoo-user] Is this a bug in equery

[Arturo 'Buanzo' Busleiman]

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Harry Putnam wrote:
>   equery files --type >=app-editors/vim-6.3
>  -bash: =app-editors/vim-6.3: No such file or directory

add single quotes, so the > metacharacter is not parsed by bash, like this:

equery files --type '>=app-editors/vim-6.3'

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Re: [gentoo-user] Is this a bug in equery

[Nick Rout]

On Wed, 23 Nov 2005 22:11:27 -0300
"Arturo 'Buanzo' Busleiman" <buanzo@buanzo.com.ar> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Harry Putnam wrote:
> >   equery files --type >=app-editors/vim-6.3
> >  -bash: =app-editors/vim-6.3: No such file or directory
> 
> add single quotes, so the > metacharacter is not parsed by bash, like this:
> 
> equery files --type '>=app-editors/vim-6.3'

yes its not a biug as such, but a result of the shell you are using,
which interprets > as a redirection tool. Perhaps the equery docos
should/examples should say so. If you want it fixed, files bug,
mentioning it here will NOT get it fixed.

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[gentoo-user] Re: Is this a bug in equery

[Harry Putnam]

Nick Rout <nick@rout.co.nz> writes:

> yes its not a biug as such, but a result of the shell you are using,
> which interprets > as a redirection tool. Perhaps the equery docos
> should/examples should say so. If you want it fixed, files bug,
> mentioning it here will NOT get it fixed.

Point taken...

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Re: [gentoo-user] Is this a bug in equery

[Paul Varner]

On Wed, 2005-11-23 at 20:02 -0600, Harry Putnam wrote:
> I'm trying to learn equery since qpkg is being laid to rest.  However
> I'm finding the hints that appear when you syntax is wrong very
> confusing.

I have opened bug #113423

Does the following make more sense to you:

$ ./equery files --type vim-6.4
[ Searching for packages matching vim-6.4... ]
!!! Invalid syntax: missing operator
!!! If you want only specific versions please use one of
!!! the following operators as prefix for the package name:
!!!    >  >=  =  <=  <
!!! Example to only match gcc versions greater or equal 3.2:
!!!    >=sys-devel/gcc-3.2
!!!
!!! Note: The symbols > and < are used for redirection in the shell
!!! You must enclose the package name in quotation marks, if either
!!! of these characters are used

Regards,
Paul
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[gentoo-user] Re: Is this a bug in equery

[Harry Putnam]

Paul Varner <fuzzyray@gentoo.org> writes:

> On Wed, 2005-11-23 at 20:02 -0600, Harry Putnam wrote:
>> I'm trying to learn equery since qpkg is being laid to rest.  However
>> I'm finding the hints that appear when you syntax is wrong very
>> confusing.
>
> I have opened bug #113423
>
> Does the following make more sense to you:
>
> $ ./equery files --type vim-6.4
> [ Searching for packages matching vim-6.4... ]
> !!! Invalid syntax: missing operator
> !!! If you want only specific versions please use one of
> !!! the following operators as prefix for the package name:
> !!!    >  >=  =  <=  <
> !!! Example to only match gcc versions greater or equal 3.2:
> !!!    >=sys-devel/gcc-3.2
> !!!
> !!! Note: The symbols > and < are used for redirection in the shell
> !!! You must enclose the package name in quotation marks, if either
> !!! of these characters are used

No, this isn't good either.  It doesn't work if you follow that
instruction.  Doesn't give error but doesn't show results either.
Note results of using your directive:

    equery files --type >="vim-6.2"
    (Just returns a prompt)

It appears here that the symbols themselves must be quoted as well as
the package like this:

      equery files --type ">=vim-6.2"

  [ Searching for packages matching >=vim-6.2... ]
  * Contents of app-editors/vim-6.3.084:
     dir /usr
     dir /usr/bin
  symlink /usr/bin/ex -> vim
  symlink /usr/bin/rview -> vim
  symlink /usr/bin/rvim -> vim
  symlink /usr/bin/view -> vim
    file /usr/bin/vim
  symlink /usr/bin/vimdiff -> vim

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Re: [gentoo-user] Re: Is this a bug in equery

[Paul Varner]

On Wed, 2005-11-23 at 23:34 -0600, Harry Putnam wrote:
> Paul Varner <fuzzyray@gentoo.org> writes:
> It appears here that the symbols themselves must be quoted as well as
> the package like this:
> 
>       equery files --type ">=vim-6.2"
> 

Which is what I meant to convey with the error message. What about this
one?

$ ./equery files --type vim-6.4
[ Searching for packages matching vim-6.4... ]
!!! Invalid syntax: missing operator
!!! If you want only specific versions please use one of
!!! the following operators as prefix for the package name:
!!!    >  >=  =  <=  <
!!! Example to only match gcc versions greater or equal 3.2:
!!!    >=sys-devel/gcc-3.2
!!!
!!! Note: The symbols > and < are used for redirection in the shell
!!! You must enclose the entire argument in quotation marks, if either
!!! of these characters are used

Regards,
Paul
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Re: [gentoo-user] Re: Is this a bug in equery

[Mariusz Pękala]

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On 2005-11-23 23:07:49 -0600 (Wed, Nov), Paul Varner wrote:
> On Wed, 2005-11-23 at 23:34 -0600, Harry Putnam wrote:
> > Paul Varner <fuzzyray@gentoo.org> writes:
> > It appears here that the symbols themselves must be quoted as well as
> > the package like this:
> > 
> >       equery files --type ">=vim-6.2"
> > 
> 
> Which is what I meant to convey with the error message. What about this
> one?
> 
> $ ./equery files --type vim-6.4
> [ Searching for packages matching vim-6.4... ]
> !!! Invalid syntax: missing operator
> !!! If you want only specific versions please use one of
> !!! the following operators as prefix for the package name:
> !!!    >  >=  =  <=  <
> !!! Example to only match gcc versions greater or equal 3.2:
> !!!    >=sys-devel/gcc-3.2
> !!!
> !!! Note: The symbols > and < are used for redirection in the shell
> !!! You must enclose the entire argument in quotation marks, if either
> !!! of these characters are used
> 

Not precise enough. You need to enclose only those characters, like:
      equery files --type ">"=vim-6.2
or you may use backslash, like:
      equery files --type \>=vim-6.2

Saying that you MUST enclose the entire argument would misguide those
who do not understand quoting mechanisms yet. You would be responsible
for their mistakes forever! ;-)

Some man pages (eq. man tcpdump) use a sentence like 'these characters
are usually special to the shell and must be quoted'. Here you need to
write only '...are used for redirection in the shell and should be
quoted.'
It's like a gentle, polite reminder that assumes that the reader is good
being and usually knows everything about quoting.

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Checked by 'grep -i virus $MESSAGE'
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Re: [gentoo-user] Re: Is this a bug in equery

[Paul Varner]

On Thu, 2005-11-24 at 08:01 +0100, Mariusz Pękala wrote:
> Not precise enough. You need to enclose only those characters, like:
>       equery files --type ">"=vim-6.2
> or you may use backslash, like:
>       equery files --type \>=vim-6.2
> 
> Saying that you MUST enclose the entire argument would misguide those
> who do not understand quoting mechanisms yet. You would be responsible
> for their mistakes forever! ;-)

Changed to:

$ ./equery files --type vim-6.4
[ Searching for packages matching vim-6.4... ]
!!! Invalid syntax: missing operator
!!! If you want only specific versions please use one of
!!! the following operators as prefix for the package name:
!!!    >  >=  =  <=  <
!!! Example to only match gcc versions greater or equal 3.2:
!!!    >=sys-devel/gcc-3.2
!!!
!!! Note: The symbols > and < are used for redirection in the shell
!!! and must be quoted if either one is used.

Regards,
Paul

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[gentoo-user] Re: Is this a bug in equery

[Harry Putnam]

Paul Varner <fuzzyray@gentoo.org> writes:

> Changed to:
>
> $ ./equery files --type vim-6.4
> [ Searching for packages matching vim-6.4... ]
> !!! Invalid syntax: missing operator
> !!! If you want only specific versions please use one of
> !!! the following operators as prefix for the package name:
> !!!    >  >=  =  <=  <
> !!! Example to only match gcc versions greater or equal 3.2:
> !!!    >=sys-devel/gcc-3.2
> !!!
> !!! Note: The symbols > and < are used for redirection in the shell
> !!! and must be quoted if either one is used.
>
> Regards,
> Paul

Don't know about you guys but I don't see where this really works at
all like it should.... examples follow:

root # ls  /usr/portage/dev-db/mysql
  ChangeLog     mysql-3.23.58-r1.ebuild  mysql-4.1.15-r30.ebuild
  Manifest      mysql-4.0.25-r2.ebuild   mysql-4.1.15.ebuild
  files         mysql-4.0.26.ebuild      mysql-5.0.15.ebuild
  metadata.xml  mysql-4.1.14.ebuild      mysql-5.0.16-r1.ebuild
  mysql-5.0.16-r30.ebuild

equery uses  mysql-4.0.26
[ Searching for packages matching mysql-4.0.26... ]
!!! Invalid syntax: missing operator
!!! If you want only specific versions please use one of
!!! the following operators as prefix for the package name:
!!!    >  >=  =  <=  <
!!! Example to only match gcc versions greater or equal 3.2:
!!!    >=sys-devel/gcc-3.2

Now try following the directions regardless of quoting technique:

Lessthan or equal too:
 equery uses  "<=mysql-4.0.26"
[ Searching for packages matching <=mysql-4.0.26... ]
!!! No matching packages found for "<=mysql-4.0.26"

Using  Mariusz method:

 equery uses  "<"=mysql-4.0.26 
[ Searching for packages matching <=mysql-4.0.26... ]
!!! No matching packages found for "<=mysql-4.0.26"


Only greater than seems to work and it doesn't really do what you
expect:

There are 7 ebuids that are equal to or greater than mysql-4.0.26

 equery uses  ">"=mysql-4.0.26
 or
 equery uses ">="mysql-4.0.26
 or
 equery uses ">=mysql-4.0.26"

[ Searching for packages matching >=mysql-4.0.26... ]
[ Colour Code : set unset ]
[ Legend        : Left column  (U) - USE flags from make.conf                     ]
[                  : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for dev-db/mysql-5.0.15 ]
 U I
 + + berkdb      : Adds support for sys-libs/db (Berkeley DB for MySQL)
 - - big-tables  : Make tables contain up to 1.844E+19 rows
 - - cluster     : Add support for NDB clustering.
 - - debug       : Tells configure and the makefiles to build for debugging. Effects vary across packages, but generally it will at least add -g to CFLAGS. Remember to set FEATURES=nostrip too
 - - doc         : Adds extra documentation (API, Javadoc, etc)
 - - extraengine : Add support for alternative storage engines.
 - - minimal     : Install a very minimal build (disables, for example, plugins, fonts, most drivers, non-critical features)
 + + perl        : Adds support/bindings for the Perl language.
 + + readline    : enables support for libreadline, a GNU line-editing library that most everyone wants.
 - - selinux     : !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
 + + ssl         : Adds support for Secure Socket Layer connections
 - - static      : !!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically
 - - utf8        : Use UTF8 encoding instead of LATIN1.

Apparently only one is shown.

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Re: [gentoo-user] Re: Is this a bug in equery

[Willie Wong]

On Thu, Nov 24, 2005 at 12:04:03PM -0600, Harry Putnam wrote:
> Don't know about you guys but I don't see where this really works at
> all like it should.... examples follow:
> 
> root # ls  /usr/portage/dev-db/mysql
>   ChangeLog     mysql-3.23.58-r1.ebuild  mysql-4.1.15-r30.ebuild
>   Manifest      mysql-4.0.25-r2.ebuild   mysql-4.1.15.ebuild
>   files         mysql-4.0.26.ebuild      mysql-5.0.15.ebuild
>   metadata.xml  mysql-4.1.14.ebuild      mysql-5.0.16-r1.ebuild
>   mysql-5.0.16-r30.ebuild
> 

<big snip where the OP shows that <=mysql-4.0.26 returns nothing while
"greater-than-or-equal-to" returns 5.0.15 only>

That is the intended behaviour. 'equery uses' only greps the use flags
for installed packages. If you want non-installed packages, you need
to use the '-a' flag

i.e.

[02:00 PM]wwong ~ $ equery uses '>=mysql-4.0.26'
[ Searching for packages matching >=mysql-4.0.26... ]
[ Colour Code : set unset ]
[ Legend    : Left column  (U) - USE flags from make.conf              ]
[           : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for dev-db/mysql-4.1.14 ]
 U I
 - - big-tables  : Make tables contain up to 1.844E+19 rows
 - - berkdb      : Adds support for sys-libs/db (Berkeley DB for MySQL)
 - - debug       : Tells configure and the makefiles to build for debugging. Effects vary across packages, but generally it will at least add -g to CFLAGS. Remember to set FEATURES=nostrip too
 + + doc         : Adds extra documentation (API, Javadoc, etc)
 - - minimal     : Install a very minimal build (disables, for example, plugins, fonts, most drivers, non-critical features)
 + + perl        : Adds support/bindings for the Perl language.
 + + readline    : enables support for libreadline, a GNU line-editing library that most everyone wants.
 - - selinux     : !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
 + + ssl         : Adds support for Secure Socket Layer connections
 - - static      : !!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically
 + + tcpd        : Adds support for TCP wrappers
 - - cluster     : Add support for NDB clustering.
 - - utf8        : Use UTF8 encoding instead of LATIN1.
 - - geometry    : Add support for geometry data.
 - - extraengine : Add support for alternative storage engines.
[02:02 PM]wwong ~ $ equery uses -a '<=mysql-4.0.26'
[ Searching for packages matching <=mysql-4.0.26... ]
[ Colour Code : set unset ]
[ Legend    : Left column  (U) - USE flags from make.conf              ]
[           : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for dev-db/mysql-3.23.58-r1 ]
 U I
 - - berkdb   : Adds support for sys-libs/db (Berkeley DB for MySQL)
 - - debug    : Tells configure and the makefiles to build for debugging. Effects vary across packages, but generally it will at least add -g to CFLAGS. Remember to set FEATURES=nostrip too
 - - innodb   : Adds innodb support for mySQL (transaction support)
 + + perl     : Adds support/bindings for the Perl language.
 + + readline : enables support for libreadline, a GNU line-editing library that most everyone wants.
 + + ssl      : Adds support for Secure Socket Layer connections
 - - static   : !!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically
 + + tcpd     : Adds support for TCP wrappers
[ Found these USE variables for dev-db/mysql-4.0.26 ]
 U I
 - - berkdb     : Adds support for sys-libs/db (Berkeley DB for MySQL)
 - - debug      : Tells configure and the makefiles to build for debugging. Effects vary across packages, but generally it will at least add -g to CFLAGS. Remember to set FEATURES=nostrip too
 + + doc        : Adds extra documentation (API, Javadoc, etc)
 - - minimal    : Install a very minimal build (disables, for example, plugins, fonts, most drivers, non-critical features)
 + + perl       : Adds support/bindings for the Perl language.
 + + readline   : enables support for libreadline, a GNU line-editing library that most everyone wants.
 - - selinux    : !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
 + + ssl        : Adds support for Secure Socket Layer connections
 - - static     : !!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically
 + + tcpd       : Adds support for TCP wrappers
 - - big-tables : Make tables contain up to 1.844E+19 rows
[ Found these USE variables for dev-db/mysql-4.0.25-r2 ]
 U I
 - - berkdb     : Adds support for sys-libs/db (Berkeley DB for MySQL)
 - - debug      : Tells configure and the makefiles to build for debugging. Effects vary across packages, but generally it will at least add -g to CFLAGS. Remember to set FEATURES=nostrip too
 + + doc        : Adds extra documentation (API, Javadoc, etc)
 - - minimal    : Install a very minimal build (disables, for example, plugins, fonts, most drivers, non-critical features)
 + + perl       : Adds support/bindings for the Perl language.
 + + readline   : enables support for libreadline, a GNU line-editing library that most everyone wants.
 - - selinux    : !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
 + + ssl        : Adds support for Secure Socket Layer connections
 - - static     : !!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically
 + + tcpd       : Adds support for TCP wrappers
 - - big-tables : Make tables contain up to 1.844E+19 rows

This is the same behaviour as all other equery commands: by default only
the installed packages are displayed.

HTH,

W
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[gentoo-user] Re: Is this a bug in equery

[Harry Putnam]

Willie Wong <wwong@Princeton.EDU> writes:

> That is the intended behaviour. 'equery uses' only greps the use flags
> for installed packages. If you want non-installed packages, you need
> to use the '-a' flag

egad! .... silently sneaks away

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[gentoo-user] Re: Is this a bug in equery

[Harry Putnam]

Harry Putnam <reader@newsguy.com> writes:

>> !!! Invalid syntax: missing operator
>> !!! If you want only specific versions please use one of
>> !!! the following operators as prefix for the package name:
>> !!!    >  >=  =  <=  <
>> !!! Example to only match gcc versions greater or equal 3.2:

Also seems you might want to demonstate in the example

>> !!!    >=sys-devel/gcc-3.2

          ">=sys-devel/gcc-3.2"   (quotes included)

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