I checked through the list archives I see that capistrano requires
the usage of a "real" SCM. I have a very specific requirement where I
need to deploy the contents of a directory to a set of servers. Based
on the advice given in those earlier threads, I am writing a custom
SCM to mimic a "cp" so I can leverage the existing code in the
framework to handle the remainder of the deployment.
However, I am having a problem getting my custom class to load. For
the sake of simplicity early on, I am putting the code into ~/.caprc.
The approach I took is I subclassed Capistrano::Deploy::SCM::Base and
overrode the +checkout+ method. When I run 'cap -T' just to verify
capistrano is still working, I get a NameError. Here it is:
/Users/cremes/.caprc:8:in `load': uninitialized constant #<Class:
0x14b55f4>::Capistrano::Deploy::SCM::Base (NameError)
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/configuration/loading.rb:173:in `load_from_file'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/configuration/loading.rb:89:in `load'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/configuration/loading.rb:86:in `load'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/configuration/loading.rb:86:in `each'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/configuration/loading.rb:86:in `load'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/cli/execute.rb:60:in `load_recipes'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/cli/execute.rb:28:in `execute!'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
lib/capistrano/cli/execute.rb:14:in `execute'
from /Users/cremes/lib/ruby/gems/1.8/gems/capistrano-2.1.0/
bin/cap:4
from /Users/cremes/bin/cap:16:in `load'
from /Users/cremes/bin/cap:16
Here is the code it is complaining about (the entire contents
of .caprc):
module Capistrano
module Deploy
module SCM
# Implements the Capistrano SCM interface for using a plain old
# directory to do deployment. It fakes out all the usual SCM
commands
# so we can use the other infrastructure to copy & deploy a
tarball
class Directory < Base
# Sets the default command name for this SCM. Users may
override this
# by setting the :scm_command variable.
default_command "cp"
# Returns the command that will check out the given revision
to the
# given destination.
def checkout(revision, destination)
switches = '-Rp'
scm :cp, verbose, switches, repository, destination
end
end
end #SCM
end #Deploy
end #Capistrano
I know I am getting this because of a file load ordering issue, but I
don't know where I should place this code. What is the recommended
approach for creating custom SCMs?
Environment:
OSX 10.4.10
ruby 1.8.6 from macports
capistrano-2.1.0 gem
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