Break lines below 80

startvnc.sh

@@ -16,15 +16,21 @@
 
 set -e
 
-# User defined variables
 USERNAME=<user>                         # <-- Set here your account number
 ACCTCODE=<project>                      # <-- Set here your project number
-TIME=240                                # <-- Set here the running time in minutes
-QOS=normal                              # <-- Set here an alternative QOS if desired
-GEOMETRY=${1:-'1920x1200'}              # <-- Set here the resolution of your remote desktop window
-VNCVIEWER=/usr/bin/vncviewer            # <-- Set here the correct path to your local vncviewer, i.e. TightVNC
-PASSWORD=true                           # <-- If enabled, the vncpassword will be temporarily copied to the local workstation (only works with TurboVNC)
-# End of user defined variables
+TIME=240                                # <-- Set here the running time in
+                                        #     minutes
+QOS=normal                              # <-- Set here an alternative QOS
+                                        #     if desired
+GEOMETRY=${1:-'1920x1200'}              # <-- Set here the resolution of
+                                        #     your remote desktop window
+VNCVIEWER=/usr/bin/vncviewer            # <-- Set here the correct path to
+                                        #     your local vncviewer, e.g.
+                                        #     TurboVNC
+PASSWORD=true                           # <-- If enabled, the vncpassword
+                                        #     will be temporarily copied to
+                                        #     the local workstation (only
+                                        #     works with TurboVNC)
 
 clean_up () {
     trap - ERR
@@ -38,20 +44,24 @@ clean_up () {
     if [[ ${vnc_host_display} && ${xvnc_pid} ]]; then
         # Kill Xvnc process. Mainly done to remove lock file.
         local vnc_host=$(echo ${vnc_host_display} | cut -d':' -f1)
-        ssh ${USERNAME}@mistral.dkrz.de "ssh ${USERNAME}@${vnc_host} \"kill ${xvnc_pid}\"" 2> /dev/null
+        ssh ${USERNAME}@mistral.dkrz.de \
+            "ssh ${USERNAME}@${vnc_host} \"kill ${xvnc_pid}\"" 2> /dev/null
     fi
 
     if [[ ${job_id} ]]; then
         # Clean up temp files and cancel job
-        tmp_files="${tmp_files} out.${job_id} out.${job_id}_DKRZepilog vnc_gethost.${job_id}"
-        ssh ${USERNAME}@mistral.dkrz.de "scancel ${job_id}; sleep 1" 2> /dev/null
+        tmp_files="${tmp_files} out.${job_id} out.${job_id}_DKRZepilog \
+                   vnc_gethost.${job_id}"
+        ssh ${USERNAME}@mistral.dkrz.de \
+            "scancel ${job_id}; sleep 1" 2> /dev/null
     else
         echo "Job ID not available. Make sure the vncjob is not running!"
         ssh ${USERNAME}@mistral.dkrz.de "squeue -u ${USERNAME}"
     fi
 
     if [[ ${tmp_files} ]]; then
-        ssh ${USERNAME}@mistral.dkrz.de "cd .startvnc && rm -f ${tmp_files}" 2> /dev/null
+        ssh ${USERNAME}@mistral.dkrz.de \
+            "cd .startvnc && rm -f ${tmp_files}" 2> /dev/null
     fi
 
     # Remove local vnc PasswordFile
@@ -61,10 +71,13 @@ clean_up () {
     exit
 }
 
-trap 'clean_up "${job_id}" "${vnc_host_display}" "${xvnc_pid}" "${job_script}"' INT QUIT TERM ERR
+trap 'clean_up \"${job_id}\" \"${vnc_host_display}\" \"${xvnc_pid}\" \
+      \"${job_script}\"' INT QUIT TERM ERR
 
-job_script=$(ssh ${USERNAME}@mistral.dkrz.de 'mkdir -p .startvnc && cd .startvnc && mktemp vncjob.XXXXX')
-ssh ${USERNAME}@mistral.dkrz.de "mkdir -p .startvnc; cat > .startvnc/${job_script}" <<EOF
+job_script=$(ssh ${USERNAME}@mistral.dkrz.de \
+                 'mkdir -p .startvnc && cd .startvnc && mktemp vncjob.XXXXX')
+ssh ${USERNAME}@mistral.dkrz.de \
+    "mkdir -p .startvnc; cat > .startvnc/${job_script}" <<EOF
 #!/bin/bash
 #SBATCH --partition=gpu
 #SBATCH --ntasks=12
@@ -78,7 +91,8 @@ cd \${HOME}
 EOF
 
 echo "Submitting Xvnc job."
-job_id=$(ssh ${USERNAME}@mistral.dkrz.de "cd .startvnc && sbatch ${job_script}" | grep -Po "\b[0-9]+$")
+job_id=$(ssh ${USERNAME}@mistral.dkrz.de \
+             "cd .startvnc && sbatch ${job_script}" | grep -Po "\b[0-9]+$")
 
 ssh ${USERNAME}@mistral.dkrz.de "cat > .startvnc/vnc_gethost.${job_id}" <<EOF
 #!/bin/bash
@@ -87,19 +101,24 @@ LOGFILE=out.${job_id}
 while [ -z \${vnc_host_display} ]; do
     sleep 1
     if [[ -f \${LOGFILE} ]]; then
-        vnc_host_display=\$(grep -Po "started on display \Kmg[0-9]+:[0-9]+" \${LOGFILE})
+        vnc_host_display=\$(grep -Po "started on display \Kmg[0-9]+:[0-9]+" \
+                          \${LOGFILE})
     fi
 done
 echo \${vnc_host_display}
 EOF
 
 echo "Waiting for job ${job_id} to start."
-vnc_host_display=$(ssh ${USERNAME}@mistral.dkrz.de "/bin/bash .startvnc/vnc_gethost.${job_id}")
-xvnc_pid=$(ssh ${USERNAME}@mistral.dkrz.de "cat .vnc/${vnc_host_display}.pid")
+vnc_host_display=$(ssh ${USERNAME}@mistral.dkrz.de \
+                       "/bin/bash .startvnc/vnc_gethost.${job_id}")
+xvnc_pid=$(ssh ${USERNAME}@mistral.dkrz.de \
+               "cat .vnc/${vnc_host_display}.pid")
+
 # Start VNC client
 if [[ ${PASSWORD} == true ]]; then
     scp ${USERNAME}@mistral.dkrz.de:~/.vnc/passwd ~/.vnc/passwd2
-    ${VNCVIEWER} -via ${USERNAME}@mistral.dkrz.de ${vnc_host_display} -PasswordFile ~/.vnc/passwd2
+    ${VNCVIEWER} -via ${USERNAME}@mistral.dkrz.de ${vnc_host_display} \
+                 -PasswordFile ~/.vnc/passwd2
 else
     ${VNCVIEWER} -via ${USERNAME}@mistral.dkrz.de ${vnc_host_display}
 fi