diff --git a/lib/pacman.py b/lib/pacman.py
index 8e1fe82..3cd0aac 100644
--- a/lib/pacman.py
+++ b/lib/pacman.py
@@ -1,19 +1,15 @@
-import subprocess
+import lib.proc as proc
 
 def get_installed():
-    return [line.split(' ')[0] for line in pacman('-Q').split('\n')[:-1]]
+    return [line.split(' ')[0] for line in pacman(['-Q']).split('\n')[:-1]]
 
 def install(package):
-    pacman('-S ' + package)
+    output = pacman(['-S', package], True)
+
+def install_all(packages):
+    output = pacman(['-S'] + packages, True)
 
 def pacman(flags, sudo = False):
-    cmd = ['sudo', 'pacman'] if sudo else ['pacman']
-    cmd += ['--noconfirm', flags]
-    proc = subprocess.Popen(cmd, stderr=subprocess.PIPE, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
-    data = proc.communicate()
-
-    if proc.returncode != 0:
-        raise Exception('Command ' + ' '.join(cmd) + ' failed: ' + data[1].decode())
-
-    return data[0].decode()
-    
+    cmd = ['pacman', '--noconfirm'] + flags
+    subproc = proc.sudo(cmd) if sudo else proc.exec(cmd)
+    return proc.communicate(subproc, cmd)