Add error checking to acme.sh

bin/acme.sh

 #!/bin/bash
 
+set -e
+
 function usage () {
-    echo "Usage: $0 -stop STOP_OPTION -n STOP_N -run RUN"
+    echo "Usage: $0 [-continue] -stage N -stop STOP_OPTION -n STOP_N -run RUN"
 }
 
 if [ "$#" == "0" ]; then
@@ -9,11 +11,14 @@ if [ "$#" == "0" ]; then
     exit 1
 fi
 
+CONTINUE_RUN=FALSE
 while [ "$#" -ne 0 ]; do
     case "$1" in
-        -case)
-            shift
-            CASE=$1
+        -continue)
+            CONTINUE_RUN=TRUE
+            ;;
+        -stage)
+            STAGE=$1
             ;;
         -stop)
             shift
@@ -23,10 +28,6 @@ while [ "$#" -ne 0 ]; do
             shift
             STOP_N=$1
             ;;
-        -run)
-            shift
-            RUN=$1
-            ;;
         *)
             usage
             exit 1
@@ -35,21 +36,48 @@ while [ "$#" -ne 0 ]; do
     shift
 done
 
-echo RUN $RUN
 echo STOP_N $STOP_N
 echo STOP_OPTION $STOP_OPTION
+echo CONTINUE_RUN $CONTINUE_RUN
+echo STAGE $STAGE
 
-exit 0
+if [ -z "$STAGE" ]; then
+    echo "ERROR: Specify -stage"
+    usage
+    exit 1
+fi
 
-cd $PBS_O_WORKDIR
+if [ -z "$STOP_N" ]; then
+    echo "ERROR: Specify -n"
+    usage
+    exit 1
+fi
 
-CASE=$(./xmlquery CASE -valonly -silent)
+if [ -z "$STOP_OPTION" ]; then
+    echo "ERROR: Specify -stop"
+    usage
+    exit 1
+fi
 
-./xmlchange -file env_run.xml -id RUNDIR -val $PWD/$RUN
-./xmlchange -file env_run.xml -id STOP_N -val $STOP_N
-./xmlchange -file env_run.xml -id STOP_OPTION -val $STOP_OPTION
+if ! [ -z "$PBS_O_WORKDIR" ]; then
+    cd $PBS_O_WORKDIR
+fi
+
+# We never want to resubmit the jobs in the Pegasus workflow
 ./xmlchange -file env_run.xml -id RESUBMIT -val 0
-./xmlchange -file env_run.xml -id DOUT_S_ROOT -val \$CASEROOT/archive
 
+# Only continue for stage > 1
+./xmlchange -file env_run.xml -id CONTINUE_RUN -val $CONTINUE_RUN
+
+# Set the interval
+./xmlchange -file env_run.xml -id STOP_OPTION -val $STOP_OPTION
+./xmlchange -file env_run.xml -id STOP_N -val $STOP_N
+
+# We might need to change these
+#./xmlchange -file env_run.xml -id RUNDIR -val $PWD/$RUN
+#./xmlchange -file env_run.xml -id DOUT_S_ROOT -val \$CASEROOT/archive
+
+# Get the case name and invoke the script
+CASE=$(./xmlquery CASE -valonly -silent)
 exec $CASE.run