mirror of
https://github.com/capistrano/capistrano
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824d22bfb8
git-svn-id: http://svn.rubyonrails.org/rails/tools/switchtower@2074 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
73 lines
2.6 KiB
Ruby
73 lines
2.6 KiB
Ruby
require 'time'
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require 'switchtower/scm/base'
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module SwitchTower
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module SCM
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# An SCM module for using CVS as your source control tool. You can
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# specify it by placing the following line in your configuration:
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#
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# set :scm, :cvs
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#
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# Also, this module accepts a <tt>:cvs</tt> configuration variable,
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# which (if specified) will be used as the full path to the cvs
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# executable on the remote machine:
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#
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# set :cvs, "/opt/local/bin/cvs"
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#
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# You can specify the location of your local copy (used to query
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# the revisions, etc.) via the <tt>:local</tt> variable, which defaults to
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# ".".
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#
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# Also, you can specify the CVS_RSH variable to use on the remote machine(s)
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# via the <tt>:cvs_rsh</tt> variable. This defaults to the value of the
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# CVS_RSH environment variable locally, or if it is not set, to "ssh".
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class Cvs < Base
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# Return a string representing the date of the last revision (CVS is
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# seriously retarded, in that it does not give you a way to query when
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# the last revision was made to the repository, so this is a fairly
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# expensive operation...)
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def latest_revision
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return @latest_revision if @latest_revision
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configuration.logger.debug "querying latest revision..."
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@latest_revision = cvs_log(configuration.local).
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split(/\r?\n/).
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grep(/^date: (.*?);/) { Time.parse($1).strftime("%F %T") }.
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sort.
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last
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end
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# Check out (on all servers associated with the current task) the latest
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# revision. Uses the given actor instance to execute the command.
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def checkout(actor)
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cvs = configuration[:cvs] || "cvs"
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cvs_rsh = configuration[:cvs_rsh] || ENV['CVS_RSH'] || "ssh"
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command = <<-CMD
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cd #{configuration.releases_path};
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CVS_RSH="#{cvs_rsh}" #{cvs} -d #{configuration.repository} -Q co -D "#{configuration.revision}" -d #{File.basename(actor.release_path)} #{actor.application};
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CMD
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run_checkout(actor, command) do |ch, stream, out|
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prefix = "#{stream} :: #{ch[:host]}"
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actor.logger.info out, prefix
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if out =~ %r{password:}
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actor.logger.info "CVS is asking for a password", prefix
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ch.send_data "#{actor.password}\n"
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elsif out =~ %r{^Enter passphrase}
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message = "CVS needs your key's passphrase and cannot proceed"
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actor.logger.info message, prefix
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raise message
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end
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end
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end
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private
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def cvs_log(path)
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`cd #{path || "."} && cvs -q log -N -rHEAD`
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end
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end
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end
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end
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