Hi all,
I have defined a package_method for the package manager "gem" (it is
used to install Ruby modules and manage their dependencies - not a
*system* package manager, but a package manager nonetheless).
body package_method gem {
package_changes => "bulk";
package_list_command => "/usr/bin/gem list";
package_list_name_regex => "^([^\s]+)\s\([\d.]+\)";
package_list_version_regex => "^[^\s]+\s\(([\d.]+)\)";
package_installed_regex => ".*"; # all reported are installed
package_add_command => "/usr/bin/gem install -i ";
package_delete_command => "/usr/bin/gem uninstall ";
package_update_command => "/usr/bin/gem update -i ";
package_delete_convention => "$(name)";
package_name_convention => "$(name) -v=$(version)";
}
This works great for adding/updating/removing packages. Except if you
want to specify a package name to install without specifying a version.
Let me explain.
See the value of package_name_convention? This is because there are two
formats for "gem install":
1) "gem install package" installs the latest version of package
2) "gem install package -v=X.Y.Z" installs version X.Y.Z of package
If I don't specify a version to install in my package promise, like this
(note there's no package_version):
packages:
"passenger"
package_method => gem,
package_policy => "add";
Then the command that's run is "gem install package -v=*". "gem" doesn't
like this.
So, my question is: How can I implement a package manager like this, to
support installing both with a specific version, and without any
specific version?
I tried various combinaisons of ifvarclass => isdefined("version") but
that's not legal syntax. Maybe what is needed is some mechanism to
change package_name_convention depending on the value of "version"?
Any other ideas?
Thanks in advance,
Jonathan
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Jonathan CLARKE
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Normation
44 rue Cauchy, 94110 Arcueil, France
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Telephone: +33 (0)1 83 62 26 96
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Web: http://www.normation.com/
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