[dak/master 06/16] check for a DAK_CONFIG env variable when looking for dak.conf

[Mike O'Connor <stew@dhcp-101.dfw1.kickstart.lan>]

Signed-off-by: Mike O'Connor <stew@dhcp-101.dfw1.kickstart.lan>
---
 daklib/config.py |   10 +++++-----
 daklib/utils.py  |   30 +++++++++++++++++-------------
 2 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/daklib/config.py b/daklib/config.py
index 09df17b..c86c1b3 100755
--- a/daklib/config.py
+++ b/daklib/config.py
@@ -28,6 +28,7 @@ Config access class
 
 ################################################################################
 
+import os
 import apt_pkg
 import socket
 
@@ -37,10 +38,9 @@ from singleton import Singleton
 
 default_config = "/etc/dak/dak.conf"
 
-def which_conf_file(Cnf):
-    res = socket.gethostbyaddr(socket.gethostname())
-    if Cnf.get("Config::" + res[0] + "::DakConfig"):
-        return Cnf["Config::" + res[0] + "::DakConfig"]
+def which_conf_file():
+    if os.getenv("DAK_CONFIG"):
+        return os.getenv("DAK_CONFIG")
     else:
         return default_config
 
@@ -57,7 +57,7 @@ class Config(Singleton):
 
         self.Cnf = apt_pkg.newConfiguration()
 
-        apt_pkg.ReadConfigFileISC(self.Cnf, default_config)
+        apt_pkg.ReadConfigFileISC(self.Cnf, which_conf_file())
 
         # Check whether our dak.conf was the real one or
         # just a pointer to our main one
diff --git a/daklib/utils.py b/daklib/utils.py
index d88dbbd..d581e70 100755
--- a/daklib/utils.py
+++ b/daklib/utils.py
@@ -710,20 +710,24 @@ def where_am_i ():
         return res[0]
 
 def which_conf_file ():
-    res = socket.gethostbyaddr(socket.gethostname())
-    # In case we allow local config files per user, try if one exists
-    if Cnf.FindB("Config::" + res[0] + "::AllowLocalConfig"):
-        homedir = os.getenv("HOME")
-        confpath = os.path.join(homedir, "/etc/dak.conf")
-        if os.path.exists(confpath):
-            apt_pkg.ReadConfigFileISC(Cnf,default_config)
-
-    # We are still in here, so there is no local config file or we do
-    # not allow local files. Do the normal stuff.
-    if Cnf.get("Config::" + res[0] + "::DakConfig"):
-        return Cnf["Config::" + res[0] + "::DakConfig"]
+    if os.getenv("DAK_CONFIG"):
+        print(os.getenv("DAK_CONFIG"))
+        return os.getenv("DAK_CONFIG")
     else:
-        return default_config
+        res = socket.gethostbyaddr(socket.gethostname())
+        # In case we allow local config files per user, try if one exists
+        if Cnf.FindB("Config::" + res[0] + "::AllowLocalConfig"):
+            homedir = os.getenv("HOME")
+            confpath = os.path.join(homedir, "/etc/dak.conf")
+            if os.path.exists(confpath):
+                apt_pkg.ReadConfigFileISC(Cnf,default_config)
+
+        # We are still in here, so there is no local config file or we do
+        # not allow local files. Do the normal stuff.
+        if Cnf.get("Config::" + res[0] + "::DakConfig"):
+            return Cnf["Config::" + res[0] + "::DakConfig"]
+        else:
+            return default_config
 
 def which_apt_conf_file ():
     res = socket.gethostbyaddr(socket.gethostname())
-- 
1.6.5