Class: BuildTool::VCS::Mercurial

Inherits:
Base
  • Object
show all
Defined in:
lib/build-tool/vcs/mercurial.rb

Overview

Implementation for the hg version control system.

Instance Attribute Summary

Attributes inherited from Base

#config

Instance Method Summary collapse

Methods inherited from Base

#apply_patches_after_rebase?, #configure, #gc, #local_path, #local_path_exist?, #patches_supported?, #recipe, #remote_path, #repository

Constructor Details

#initialize(config) ⇒ Mercurial

Returns a new instance of Mercurial.



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# File 'lib/build-tool/vcs/mercurial.rb', line 42

def initialize( config )
    super( config )
    @remote = {}
    @vcs = nil
end

Instance Method Details

#checkedout? ⇒ Boolean

METHODS

Returns:

  • (Boolean) 


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# File 'lib/build-tool/vcs/mercurial.rb', line 63

def checkedout?
    return false if !local_path_exist?
    if !Pathname.new( local_path ).join( ".hg" ).exist?
        raise Base::VcsError, "Checkout path #{local_path} is not a mercurial repo!"
    end
    return true
end

#clone ⇒ Object

Initialize the local repository



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# File 'lib/build-tool/vcs/mercurial.rb', line 72

def clone
    # Check if path exists
    if local_path_exist?
        raise MercurialError, "Failed to create repository at '#{local_path}': Path exists"
    end
    FileUtils.mkdir_p Pathname.new( local_path ).dirname if ! $noop

    # Initialize the repository
    if hg( "clone #{repository.url} #{local_path}", Pathname.new( local_path ).dirname) != 0
        raise MercurialError, "Error while initializing the repo `hg init #{local_path}'`: #{$?}"
    end

    fetch()
    rebase()
end

#fetch ⇒ Object

Fetch from repository

Initializes the local clone if it does not exist.



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# File 'lib/build-tool/vcs/mercurial.rb', line 91

def fetch()
    if !checkedout? and !$noop
        clone
    end
    cmd = "pull #{repository.url}"
    if ( rc = hg( cmd ) ) != 0
        raise MercurialError, "Error while fetching: #{rc}"
    end
end

#fetching_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/build-tool/vcs/mercurial.rb', line 55

def fetching_supported?
    true
end

#hg(command, wd = local_path, &block) ⇒ Object 



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# File 'lib/build-tool/vcs/mercurial.rb', line 101

def hg( command, wd = local_path, &block )
    rc = self.class.execute "hg #{command}", wd, &block
    if rc != 0
        raise MercurialError, "hg #{command || "" } failed with error code #{rc}";
    end
    rc
end

#name ⇒ Object

ATTRIBUTES



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# File 'lib/build-tool/vcs/mercurial.rb', line 51

def name
    "mercurial"
end

#rebase ⇒ Object 



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# File 'lib/build-tool/vcs/mercurial.rb', line 109

def rebase
    if 0 != ( hg "update #{config.branch}" )
        raise MercurialSvnError, "Error while rebasing the repo with `hg update: #{$?}"
    end
end