Argument defaulting now works.

diff --git a/src b/src
index f7d33cb069482cd6614507a92223152e23ecfcac..d9ca235f92547e89cd1973c0b1059d86c59962eb 100755 (executable)
--- a/src
+++ b/src
@@ -12,6 +12,10 @@ def announce(msg):
 def complain(msg):
     sys.stderr.write("src: " + msg + "\n")
 
+def croak(msg):
+    sys.stderr.write("src: " + msg + "\n")
+    sys.exit(1)
+
 debug = 1
 DEBUG_COMMANDS  = 1    # Show commands as they are executed
 
@@ -107,29 +111,33 @@ def init_method(*args):
     else:
         complain(".src/ exists but is not a directory.")
 
+def preamble(cmd, args):
+    "Common setup code."
+    if args:
+        return list(args)
+    else:
+        masters = os.listdir(".src")
+        if len(masters) == 1:
+            return [masters[0][:-2]]
+        else:
+            croak("%s requires at least one file argument" % cmd)
+
 def add_method(*args):
     "Register a file into src control."
-    preamble("add", args)
+    args = preamble("add", args)
     for arg in args:
        if not os.path.exists(arg):
            complain("I see no '%s' here." % arg)
-       elif os.path.exists(".src/%s,v"):
-           complain("%s is already registered.")
+       elif os.path.exists(".src/%s,v" % arg):
+           complain("%s is already registered." % arg)
        else:
            do_or_die("rcs -q -i %s </dev/null" % arg)
            do_or_die("ci -l %s && mv %s,v .src" % (arg, arg))
            announce("%s: 1" % arg) 
 
-def preamble(cmd, args):
-    "Common setup code."
-    if not args:
-        masters = os.listdir(".src")
-        if len(masters) == 1:
-            args.append(masters[0])
-
 def commit_method(*args):
     "Commit changes to files."
-    preamble("commit", args)
+    args = preamble("commit", args)
     for arg in args:
        if not os.path.exists(arg):
            complain("I see no '%s' here." % arg)