Fixed deficiency in rprocess_plug_in_packages.

Needed to improve pre-processing of plug-in output before calling
my_parm_file.  Needed to make sure that only legitimate unindented
lines in the following format are preserved.
<var_name>:   <var_value>

Change-Id: I6167f6df4d53f0f5f924a686d1de48ae45af6f15
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/lib/gen_robot_plug_in.py b/lib/gen_robot_plug_in.py
index a8e6005..4e27a26 100755
--- a/lib/gen_robot_plug_in.py
+++ b/lib/gen_robot_plug_in.py
@@ -15,6 +15,7 @@
 import gen_print as gp
 import gen_robot_print as grp
 import gen_misc as gm
+import gen_cmd as gc
 
 
 ###############################################################################
@@ -193,18 +194,16 @@
     # We want to obtain those values from the output.  To make the task
     # simpler, we'll start by grepping the output for lines that might fit
     # such a format:
-    # - Zero or more spaces
-    # - One or more non-colon characters
+    # A valid bash variable against the left margin
     # - A colon
     # - Zero or more spaces
-    # I added code to exclude any line that starts with spaces and a
-    # left-square bracket (e.g. '[ ERROR ]').  These would be interpreted by
-    # my_parm_file as a new section.
-    cmd_buf = "egrep '^[ ]*[^:]+:[ ]*' " + temp_file_path +\
-              " | egrep -v '^[ ]*\[' > " + temp_properties_file_path
+    bash_var_regex = "[_[:alpha:]][_[:alnum:]]*"
+    regex = "^" + bash_var_regex + ":[ ]*"
+    cmd_buf = "egrep '" + regex + "' " + temp_file_path + " > " +\
+              temp_properties_file_path
     if int(debug) == 1:
         grp.rpissuing(cmd_buf)
-    gen_rc = os.system(cmd_buf)
+    grep_rc = os.system(cmd_buf)
 
     # Next we call my_parm_file to create a properties dictionary.
     properties = gm.my_parm_file(temp_properties_file_path)
@@ -219,13 +218,14 @@
     except KeyError:
         failed_plug_in_name = ""
 
-    if gen_rc != 0 or proc_plug_pkg_rc != 0:
+    if proc_plug_pkg_rc != 0:
         hex = 1
         grp.rprint_error("Call to process_plug_in_packages failed.\n")
-        grp.rprint_varx("gen_rc", gen_rc, hex)
+        grp.rprint_varx("grep_rc", grep_rc, hex)
         grp.rprint_varx("proc_plug_pkg_rc", proc_plug_pkg_rc, hex)
-        grp.rprint_varx("failed_plug_in_name", failed_plug_in_name)
-        grp.rprint_varx("shell_rc", shell_rc, hex)
+        # Show all of the failed plug in names and shell_rcs.
+        gc.cmd_fnc_u("egrep -A 1 '^failed_plug_in_name:[ ]+' " +
+                     temp_properties_file_path, quiet=1, show_err=0)
         rc = 1
 
     return rc, shell_rc, failed_plug_in_name