avocado.utils.archive: preserve permissions. when extracting.

Preserve file permissions when extracting data from tarballs,
so in some tests we have we don't need to set permissions too.
Signed-off-by: NRuda Moura <rmoura@redhat.com>

avocado/utils/archive.py

@@ -184,6 +184,8 @@ class TarArchive(BaseArchive):
                     with open(filename, 'wb') as outfile:
                         if extracted is not None:
                             shutil.copyfileobj(extracted, outfile)
+                            if not member.issym():
+                                os.chmod(filename, member.mode)
                         else:
                             log.error("Member correspondent to file %s does "
                                       "not seem to be a regular file or a link",

tests/fiotest/fiotest.py

@@ -42,13 +42,10 @@ class fiotest(test.Test):
         """
         Build 'fio'.
         """
-        self.cwd = os.getcwd()
         tarball_path = self.get_deps_path(self.params.fio_tarball)
         archive.extract(tarball_path, self.srcdir)
         fio_version = self.params.fio_tarball.split('.tar.')[0]
         self.srcdir = os.path.join(self.srcdir, fio_version)
-        cmd = ('chmod +x %s' % os.path.join(self.srcdir, 'configure'))
-        process.system(cmd)
         build.make(self.srcdir)
 
     def action(self):
@@ -58,7 +55,6 @@ class fiotest(test.Test):
         os.chdir(self.srcdir)
         cmd = ('./fio %s' % self.get_deps_path(self.params.fio_job))
         process.system(cmd)
-        os.chdir(self.cwd)
 
 
 if __name__ == "__main__":

tests/trinity/trinity.py

@@ -64,7 +64,6 @@ class trinity(test.Test):
         archive.extract(tarball_path, self.srcdir)
         self.srcdir = os.path.join(self.srcdir, 'trinity-1.4')
         os.chdir(self.srcdir)
-        process.run('chmod +x configure.sh')
         process.run('./configure.sh')
         build.make(self.srcdir)
         self.populate_dir()