EPICS installations at GSI - Base installation:
`epics` script installation script - Just the code




  # Allow use of EPICS installations (to deny: comment out with leading '#') 
    

  export  ALLOW_USE_OF_EPICS_GSI_INSTALL=true; 

    
 
  # Definitions: 
    

  [ 'true' == "$ALLOW_USE_OF_EPICS_GSI_INSTALL" ] && export GSI_EPICS_INSTALLATIONS_TOP_DIR=~epics 
    

    

  # Change to directory ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin 
    

  %CD_CMD% ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin || %DIE_CMD%; 
    

    

  # define list of scripts to be looked for
    

  list=epics
    

  # Process for each item in list

  %FOR_CMD% item in ${list} 

  do 
 
         # Does a valid item already exist in ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin ?

         #       if yes, do nothing 

         #       if no then 

         #             1) check if there is an invalid symbolic link

         #                   yes) remove it

         #             2) download it to %EPICS_DOWNLOAD_DIR%/bin 

         #             3) check if you can already resolve it via '%WHICH_CMD%' 

         #                   yes) compare this with  
         %IF_CMD% [ ! -e ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin/${item} ]; 

         %THEN_CMD% 

            # Does item is an invalid symbolic link in ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin? 

               %IF_CMD% [ -L ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin/${item} ] 

               %THEN_CMD% 

                     echo removing invalid link ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin/${item}: 

                     echo "   "$(%LS_CMD% -l ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin/${item}) 

                     %RM_CMD% ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin/${item} 

               %FI_CMD% 

               # Allow use of GSI EPICS tools ? 

               #    true) create symbolic links to gsi epics installations 

               %IF_CMD% [ 'true' = "$ALLOW_USE_OF_EPICS_GSI_INSTALL" ] 

               %THEN_CMD% 

                    %IF_CMD% [ -f %GSI_EPICS_INSTALLATIONS_TOP_DIRECTORY_VAR%/bin/${item} ]; 

                    %THEN_CMD% 

                          %LN_CMD% %GSI_EPICS_INSTALLATIONS_TOP_DIRECTORY_VAR%/bin/${item}; 

                    %FI_CMD% 

               %FI_CMD% 

         %FI_CMD% 

         

         # check once again: 

         # Does a valid item already exist in ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin ?

         #       if not then 

         #             1) download it to %EPICS_DOWNLOAD_DIR%/bin 

         #             2) check if you can already resolve it via '%WHICH_CMD%' 

         #                   yes) compare this with the download: 

         #                           identical) create another symbolic link to it 

         #                                else) copy download to ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin 

         %IF_CMD% [ ! -e ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin/${item} ]; 

         %THEN_CMD% 

              %MKDIR_CMD% %EPICS_DOWNLOAD_DIR%/bin && 

              %CD_CMD% %EPICS_DOWNLOAD_DIR%/bin && 

              %WGET_CMD% https://wiki.gsi.de/pub/Epics/EpicsInstallationsAtGsiBaseEpicsScriptInstallationScriptMainCode/${item} || die "something went wrong" 

              doLocalCopy=false; 

              lookup=$(%WHICH_CMD% ${item}) 

              %IF_CMD% [ ! -z "${lookup}" ] 

              %THEN_CMD% 

                    %DIFF_CMD% %EPICS_DOWNLOAD_DIR%/bin/${item} ${lookup} > /dev/null 

                    %IF_CMD% [ 0 -eq $? ] 

                    %THEN_CMD% 

                          %LN_CMD% ${lookup} 

                          doLocalCopy=false 

                    %FI_CMD% 

              %ELSE_CMD% 

                    doLocalCopy=true; 

              %FI_CMD% 
   
              %IF_CMD% [ "true" = "$doLocalCopy" ] 

              %THEN_CMD% 

                    %CP_CMD% %EPICS_DOWNLOAD_DIR%/bin/${item} ${%EPICS_ALL_EPICS_TOP_DIR_NAME%}/bin 

              %FI_CMD% 

      %FI_CMD% 

  done 

  %UNSET_CMD% item lookup list doLocalCopy 

  %CD_CMD% %EPICSBASE_MYHOMEDIR% || %DIE_CMD%;

-- PeterZumbruch - 24 Jun 2009

Topic revision: r3 - 2009-06-24, PeterZumbruch - This page was cached on 2024-12-20 - 02:39.

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EPICS installations at GSI - Base installation: epics script installation script - Just the code

EPICS installations at GSI - Base installation:
`epics` script installation script - Just the code