update codecov script and documentation (#314)

doc/source/user_guide/ug_testing.rst

@@ -509,7 +509,10 @@ To use, submit a full test suite using a version of Icepack on the Consortium ma
 and the gnu compiler with the ``--codecov`` argument.
 The test suite will run and then a report will be generated and uploaded to 
 the `codecov.io site <https://codecov.io/gh/CICE-Consortium/Icepack>`_ by the 
-**report_codecov.csh** script.  
+**report_codecov.csh** script.  The env variable CODECOV_TOKEN needs to be defined
+either in the environment or in a file named **~/.codecov_icepack_token**.  That
+token provides write permission to the Icepack codecov.io site and is available
+by contacting the Consortium team directly.
 
 This is a special diagnostic test and does not constitute proper model testing.
 General use is not recommended, this is mainly used as a diagnostic to periodically 

icepack.setup

@@ -458,10 +458,18 @@ EOF0
 cat >! ${tsdir}/report_codecov.csh << EOF0
 #!/bin/csh -f
 
-setenv CODECOV_TOKEN "df12b574-8dce-439d-8d3b-ed7428d7598a"  # consortium icepack
-#setenv CODECOV_TOKEN "0b3feb13-0110-4618-821e-248c2f1f7cf3"  # apcraig icepack
-set report_name = "${shhash}:${branch}:${machine} ${testsuite}"
+# define CODECOV_TOKEN env variable
+if !(\$?CODECOV_TOKEN) then
+  if (-e ~/.codecov_icepack_token) then
+    source ~/.codecov_icepack_token
+  endif
+  if !(\$?CODECOV_TOKEN) then
+    echo "\${0}: ERROR, CODECOV_TOKEN env variable not defined"
+    exit 2
+  endif
+endif
 
+set report_name = "${shhash}:${branch}:${machine} ${testsuite}"
 set use_curl = 1
 
 EOF0