[reprotest] 02/04: ENH: lib: add a system_interface instance for Arch-Linux

[Ximin Luo]

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in repository reprotest.

commit ce927007e2998334a2bcc5a5c81496d70d306b0d
Author: Santiago Torres <torresariass at gmail.com>
Date:   Wed Jul 12 11:16:12 2017 -0400

    ENH: lib: add a system_interface instance for Arch-Linux
    
    Arch requires a different system_interface abstraction than Debian. Add
    an arch-specific module to handle the required calls from adt_testbed.
---
 reprotest/lib/system_interface/{debian.py => arch.py} | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/reprotest/lib/system_interface/debian.py b/reprotest/lib/system_interface/arch.py
similarity index 76%
copy from reprotest/lib/system_interface/debian.py
copy to reprotest/lib/system_interface/arch.py
index dc0792c..3f4511b 100644
--- a/reprotest/lib/system_interface/debian.py
+++ b/reprotest/lib/system_interface/arch.py
@@ -26,22 +26,20 @@ import subprocess
 
 from . import SystemInterface
 
-
-class DebianInterface(SystemInterface):
+class ArchInterface(SystemInterface):
     """
-        SystemInterface implementation for Debian hosts. Contains commands that
-        are specific to the Debian toolchain.
+        SystemInterface implementation for Arch Linux hosts. Contains commands that
+        are specific to the Arch Linux toolchain.
     """
 
     def get_arch(self):
-        return ['dpkg', '--print-architecture']
+        return ['uname', '-m']
 
     def get_installed_packages(self, target_file):
-        return ['sh', '-ec',
-                "dpkg-query --show -f '${Package}\\t${Version}\\n' > %s" % target_file.tb]
+        return ['sh', '-ec', "pacman -Q > %s" % target_file.tb]
 
     def can_query_packages(self):
         try:
-            return subprocess.check_call(['which', 'dpkg-query'], stdout=subprocess.DEVNULL) == 0
+            return subprocess.check_call(['which', 'pacman'], stdout=subprocess.DEVNULL) == 0
         except subprocess.CalledProcessError:
             return 0

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