Add configuration file support

3 files changed, 55 insertions, 12 deletions

diff --git a/contrib/dotfilesrc b/contrib/dotfilesrc
new file mode 100644
index 0000000..fe1de3e
--- /dev/null
+++ b/contrib/dotfilesrc
@@ -0,0 +1,12 @@
+[dotfiles]
+repository = ~/Dotfiles
+prefix =
+ignore = [
+    '.metadata',
+    '.git',
+    '.gitignore']
+externals = {
+    '.adobe':       '/tmp',
+    '.bzr.log':     '/dev/null',
+    '.macromedia':  '/tmp',
+    '.uml':         '/tmp'}
diff --git a/dotfiles/cli.py b/dotfiles/cli.py
index 910dcdc..fadca25 100644
--- a/dotfiles/cli.py
+++ b/dotfiles/cli.py
@@ -2,6 +2,7 @@
 
 import os
 from . import core
+import ConfigParser
 from optparse import OptionParser, OptionGroup
 
 
@@ -13,23 +14,37 @@ def method_list(object):
 def parse_args():
     parser = OptionParser(usage="Usage: %prog ACTION [OPTION...] [FILE...]")
 
+    parser.set_defaults(config=os.path.expanduser("~/.dotfilesrc"))
     parser.set_defaults(repo=os.path.expanduser("~/Dotfiles"))
+    parser.set_defaults(prefix='')
+    parser.set_defaults(ignore=[])
+    parser.set_defaults(externals={})
+
+    parser.add_option("-C", "--config", type="string", dest="config",
+            help="set configuration file location (default is ~/.dotfilesrc)")
+
     parser.add_option("-R", "--repo", type="string", dest="repo",
             help="set repository location (default is ~/Dotfiles)")
 
     action_group = OptionGroup(parser, "Actions")
+
     action_group.add_option("-a", "--add", action="store_const", dest="action",
             const="add", help="add dotfile(s) to the repository")
+
     action_group.add_option("-c", "--check", action="store_const",
             dest="action", const="check", help="check dotfiles repository")
+
     action_group.add_option("-l", "--list", action="store_const",
             dest="action", const="list",
             help="list currently managed dotfiles")
+
     action_group.add_option("-r", "--remove", action="store_const",
             dest="action", const="remove",
             help="remove dotfile(s) from the repository")
+
     action_group.add_option("-s", "--sync", action="store_const",
             dest="action", const="sync", help="update dotfile symlinks")
+
     parser.add_option_group(action_group)
 
     (opts, args) = parser.parse_args()
@@ -47,5 +62,28 @@ def parse_args():
 
 
 def main():
+
     (opts, args) = parse_args()
-    getattr(core.Dotfiles(location=opts.repo), opts.action)(files=args)
+
+    config_defaults = {
+            'repository':   opts.repo,
+            'prefix':       opts.prefix,
+            'ignore':       opts.ignore,
+            'externals':    opts.externals}
+
+    parser = ConfigParser.SafeConfigParser(config_defaults)
+
+    if opts.config:
+
+        parser.read(opts.config)
+
+        if 'dotfiles' in parser.sections():
+            opts.repo = os.path.expanduser(parser.get('dotfiles', 'repository'))
+            opts.prefix = parser.get('dotfiles', 'prefix')
+            opts.ignore = eval(parser.get('dotfiles', 'ignore'))
+            opts.externals = eval(parser.get('dotfiles', 'externals'))
+
+    getattr(core.Dotfiles(location=opts.repo,
+                          prefix=opts.prefix,
+                          ignore=opts.ignore,
+                          externals=opts.externals), opts.action)(files=args)
diff --git a/dotfiles/core.py b/dotfiles/core.py
index 3a60865..b04892f 100644
--- a/dotfiles/core.py
+++ b/dotfiles/core.py
@@ -47,23 +47,16 @@ class Dotfile(object):
 
 class Dotfiles(object):
 
-    IGNORES = ['.metadata', '.git', '.gitignore']
-
-    EXTRAS = {'adobe':          '/tmp',
-              'bzr.log':        '/dev/null',
-              'macromedia':     '/tmp',
-              'uml':            '/tmp'}
-
-    def __init__(self, location):
+    def __init__(self, location, prefix, ignore, externals):
         self.location = location
         self.dotfiles = []
         contents = [x for x in os.listdir(self.location)
-                    if x not in Dotfiles.IGNORES]
+                    if x not in ignore]
         for file in contents:
             self.dotfiles.append(Dotfile(file,
                 os.path.join(self.location, file)))
-        for file in self.EXTRAS.keys():
-            self.dotfiles.append(Dotfile(file, self.EXTRAS[file]))
+        for file in externals.keys():
+            self.dotfiles.append(Dotfile(file, externals[file]))
 
     def list(self, **kwargs):
         for dotfile in sorted(self.dotfiles,