Class: Nixenvironment::SCM

Inherits:
Object
  • Object
show all
Defined in:
lib/nixenvironment/scm.rb

Constant Summary collapse

SCM_SVN = 
'svn'
SCM_GIT = 
'git'
SCM_MERCURIAL = 
'mercurial'

Class Method Summary collapse

Class Method Details

.clean_working_copy(all) ⇒ Object

TODO: implement –all for svn



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# File 'lib/nixenvironment/scm.rb', line 127

def self.clean_working_copy(all)
  puts '--- Clean all specified' if all.present?
  scm_type = current

  case scm_type
    when SCM_SVN
      puts 'SVN working copy detected, cleaning ...'

      # revert all changes
      system('svn revert --depth=infinity .')

      # revert all changes in external directories
      # TODO: rework this for Windows
      system("
      for i in $(svn status | grep ^Performing | cut -d\' -f 2)
      do
        svn revert -R $i
      done")

      # Wipes out unversioned files from Subversion working copy
      system('svn cleanup . --remove-unversioned')
    when SCM_GIT
      puts 'GIT working copy detected, cleaning ...'

      # revert all changes
      system('git reset --hard')

      if all
        # wipe out unversioned files (force, remove whole directories, remove ignored files)
        system('git clean -fdx')
      else
        # wipe out unversioned files (force, remove whole directories)
        system('git clean -fd')
      end
    when SCM_MERCURIAL
      puts 'Mercurial working copy detected, cleaning ...'

      # revert all changes
      system('hg revert --all')

      if all
        # wipe out unversioned files
        system('hg --config extensions.purge= clean --all')
      else
        # wipe out unversioned files (except ignored files)
        system('hg --config extensions.purge= clean')
      end
    else
      puts 'Error: script must be run from working copy!'
  end
end

.current ⇒ Object 



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# File 'lib/nixenvironment/scm.rb', line 7

def self.current
  %x[ git status ]
  return SCM_GIT if $?.success?

  %x[ hg status ]
  return SCM_MERCURIAL if $?.success?

  %x[ svn info ]
  return SCM_SVN if $?.success?

  return 'undefined'
end

.last_revision ⇒ Object 



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# File 'lib/nixenvironment/scm.rb', line 20

def self.last_revision
  scm_type = current
  case scm_type
    when SCM_SVN
      puts 'SVN working copy detected'
      current_revision = %x[ svnversion ]
      current_monotonic_revision = current_revision

      # simply check that the SVN version is a digit
      if Integer(current_revision)
        working_copy_is_clean = 1
      else
        puts "Working copy is not clean because of svnversion returning #{current_revision}"
        working_copy_is_clean = 0
      end
    when SCM_GIT
      puts 'GIT working copy detected'
      current_revision = %x[ git rev-parse HEAD ]
      last_revision_in_repo = %x[ git rev-list --all -n 1 ]

      date_format = ENV['USE_DATEFORMAT']
      if date_format == nil
        # number of pushes before current
        current_monotonic_revision = %x[ git rev-list --all --count ]
        if current_revision == last_revision_in_repo
          current_monotonic_revision = current_monotonic_revision.succ
        end
      else
        # revision in datetime format
        current_monotonic_revision = %x[ git log -1 --date=format:"%Y%m%d" --format="%ad" ]
      end


      status = %x[ git status --porcelain ]

      if status == ''
        working_copy_is_clean = 1
      else
        # TODO: check this out for Unity builds
        # ignore changes to build folder, because it's created by Xcode before the script runs as a build phase
        lines_count = status.lines.count

        if lines_count != 1
          puts "Working copy is not clean because of status:\n#{status}"
          puts
          working_copy_is_clean = 0
        else
          wc_root = %[ git rev-parse --show-toplevel ]
          modified_path = status[3..-1]
          abs_modified_path = File.join(wc_root, modified_path)

          # compare path to Xcode env var
          if abs_modified_path == ENV['BUILD_ROOT']
            working_copy_is_clean = 1
          else
            puts "Working copy is not clean because of status:\n#{status}"
            puts
            working_copy_is_clean = 0
          end
        end
      end
    when SCM_MERCURIAL
      puts 'Mercurial working copy detected'
      current_revision = %x[ hg id -i ]
      # number of pushes in current branch
      # TODO: compare with: "$(hg log --template '{rev}:{node|short} {desc|firstline} ({author})\n' | wc -l | tr -d ' ')"
      current_monotonic_revision = %x[ hg id --num --rev tip ]

      status = %x[ hg status ]

      if status == ''
        working_copy_is_clean = 1
      else
        # TODO: check this out for Unity builds
        # ignore changes to build folder, because it's created by Xcode before the script runs as a build phase
        lines_count = status.lines.count

        if lines_count != 1
          puts "Working copy is not clean because of status:\n#{status}"
          puts
          working_copy_is_clean = 0
        else
          wc_root = %[ hg root ]
          modified_path = status[3..-1]
          abs_modified_path = File.join(wc_root, modified_path)

          # compare path to Xcode env var
          if abs_modified_path == ENV['BUILD_ROOT']
            working_copy_is_clean = 1
          else
            puts "Working copy is not clean because of status:\n#{status}"
            puts
            working_copy_is_clean = 0
          end
        end
      end
    else
      puts 'warning: script must be run from working copy. Revision is undefined.'
      current_revision = 'undefined'
      current_monotonic_revision = 'undefined'
      working_copy_is_clean = 0
  end

  return current_revision.strip!, current_monotonic_revision.strip!, working_copy_is_clean
end