old_contents: #!/usr/bin/evn python
  # encoding: utf-8
  
  from pprof.project import ProjectFactory, log_with, log
  from pprof.settings import config
  from group import PprofGroup
  
  from os import path
  from glob import glob
  from plumbum import FG, local
  
  class Lammps(PprofGroup):
  
      """ LAMMPS benchmark """
  
      class Factory:
          def create(self, exp):
              return Lammps(exp, "lammps", "scientific")
      ProjectFactory.addFactory("Lammps", Factory())
  
      def prepare(self):
          super(PprofGroup, self).prepare()
          from plumbum.cmd import cp
          
          with local.cwd(self.builddir):
              cp("-vr", self.testdir, "test")
  
      def run_tests(self, experiment):
          with local.cwd(path.join(self.builddir, "test")):
              tests = glob(path.join(self.testdir, "in.*"))
              for test in tests:
                  cmd = (experiment < test)
                  cmd & FG(retcode=None)
  
      src_dir = "lammps.git"
      src_uri = "https://github.com/lammps/lammps"
  
      def download(self):
          from pprof.utils.downloader import Git
  
          with local.cwd(self.builddir):
              Git(self.src_dir, self.src_dir)
  
      def configure(self):
          pass
  
      def build(self):
          from plumbum.cmd import make, ln
          from pprof.project import clang_cxx, clang
  
          with local.cwd(path.join(self.builddir, self.src_dir, "src")):
              make["CC=" + str(clang_cxx()),
                   "CCFLAGS=" + " ".join(self.cflags),
                   "LINKFLAGS=" + " ".join(self.ldflags), "-j4",
                   "clean", "serial"] & FG
  
          lammps_dir = path.join(self.builddir, self.src_dir, "src")
          with local.cwd(self.builddir):
              ln("-sf", path.join(lammps_dir, "lmp_serial"), self.run_f)
  
new_contents: #!/usr/bin/evn python
  # encoding: utf-8
  
  from pprof.project import ProjectFactory, log_with, log
  from pprof.settings import config
  from group import PprofGroup
  
  from os import path
  from glob import glob
  from plumbum import FG, local
  
  class Lammps(PprofGroup):
  
      """ LAMMPS benchmark """
  
      class Factory:
          def create(self, exp):
              return Lammps(exp, "lammps", "scientific")
      ProjectFactory.addFactory("Lammps", Factory())
  
      def prepare(self):
          super(PprofGroup, self).prepare()
          from plumbum.cmd import cp
          
          with local.cwd(self.builddir):
              cp("-vr", self.testdir, "test")
  
      def run_tests(self, experiment):
          with local.cwd(path.join(self.builddir, "test")):
              tests = glob(path.join(self.testdir, "in.*"))
              for test in tests:
                  cmd = (experiment < test)
                  cmd & FG(retcode=None)
  
      src_dir = "lammps.git"
      src_uri = "https://github.com/lammps/lammps"
  
      def download(self):
          from pprof.utils.downloader import Git
  
          with local.cwd(self.builddir):
              Git(self.src_uri, self.src_dir)
  
      def configure(self):
          pass
  
      def build(self):
          from plumbum.cmd import make, ln
          from pprof.project import clang_cxx, clang
  
          with local.cwd(path.join(self.builddir, self.src_dir, "src")):
              make["CC=" + str(clang_cxx()),
                   "CCFLAGS=" + " ".join(self.cflags),
                   "LINKFLAGS=" + " ".join(self.ldflags), "-j4",
                   "clean", "serial"] & FG
  
          lammps_dir = path.join(self.builddir, self.src_dir, "src")
          with local.cwd(self.builddir):
              ln("-sf", path.join(lammps_dir, "lmp_serial"), self.run_f)
  
subject: fix usage of git helper