Remove legacy code from setE3Env.bash

* Remove all references to:
** EEE
** conda
** EPICS extensions
* Remove long comment sections
* Minor variable name change for consistency

CHANGELOG.md

@@ -26,6 +26,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Removed duplicated entries from generated `.dep` files
 
 ### Other changes
+* removed legacy code from setE3Env.bash
 
 ## [3.4.1]
 

require-ess/tools/setE3Env.bash

@@ -105,7 +105,7 @@ print_env() {
   fi
 }
 
-# Reset all EPICS, E3, and EEE related PRE-EXIST VARIABLES
+# Reset all EPICS and E3 related pre-existing variables
 # Remove them from PATH and LD_LIBRARY_PATH
 #
 # If EPICS_BASE is defined,
@@ -126,22 +126,6 @@ if [ -n "$EPICS_BASE" ]; then
   LD_LIBRARY_PATH=$(drop_from_path "${system_ld_path}" "${drop_ld_path}")
   export LD_LIBRARY_PATH
 
-  # If EPICS_ENTENSIONS, it is epics_builder
-  if [ -n "$EPICS_EXTENSIONS" ]; then
-    ext_path=${PATH}
-    drop_ext_path="${EPICS_EXTENSIONS}/bin/${EPICS_HOST_ARCH}"
-
-    PATH=$(drop_from_path "${ext_path}" "${drop_ext_path}")
-    export PATH
-
-    unset EPICS_EXTENSIONS
-    unset EPICS_PATH
-    unset EPICS_MODULES
-    unset EPICS_EXTENSIONS
-    unset EPICS_AREADETECTOR
-    unset EPICS_APPS
-  fi
-
   # If E3_REQUIRE_NAME, it is E3
   if [ -n "$E3_REQUIRE_NAME" ]; then
 
@@ -150,24 +134,7 @@ if [ -n "$EPICS_BASE" ]; then
     PATH=$(drop_from_path "${e3_path}" "${E3_REQUIRE_BIN}")
     export PATH
 
-    # If CONDA_EXE, it is trouble to find the correct tclsh
-    if [ -n "$CONDA_EXE" ]; then
-
-      # Decouple PATH from ESS Conda Env1 due to tclsh
-      ess_conda_path1=${PATH}
-      drop_ess_conda_path1="/opt/conda/envs/python37/bin"
-      PATH=$(drop_from_path "${ess_conda_path1}" "${drop_ess_conda_path1}")
-      export PATH
-
-      # Decouple PATH from ESS Conda Env2 due to tclsh
-      ess_conda_path2=${PATH}
-      drop_ess_conda_path2="/opt/conda/condabin"
-      PATH=$(drop_from_path "${ess_conda_path2}" "${drop_ess_conda_path2}")
-      export PATH
-
-    fi
-
-    # Drop the require-related LD_LIBRARY pathes  set previously
+    # Drop the require-related LD_LIBRARY paths set previously
     LD_LIBRARY_PATH=$(drop_from_path "$LD_LIBRARY_PATH" "${E3_REQUIRE_LOCATION}[^:]*")
     export LD_LIBRARY_PATH
 
@@ -190,34 +157,6 @@ if [ -n "$EPICS_BASE" ]; then
 
   fi
 
-  # If EPICS_ENV_PATH, it is EEE
-  if [ -n "$EPICS_ENV_PATH" ]; then
-
-    # Decouple PATH from EPICS_ENV_PATH
-    eee_path=${PATH}
-    PATH=$(drop_from_path "${eee_path}" "${EPICS_ENV_PATH}")
-    export PATH
-
-    # Decouple PATH from pvAccessCPP
-    eee_pvaccess_path=${PATH}
-    drop_eee_pvaccess_path="${EPICS_MODULES_PATH}/pvAccessCPP/5.0.0/${BASE}/bin/${EPICS_HOST_ARCH}"
-    PATH=$(drop_from_path "${eee_pvaccess_path}" "${drop_eee_pvaccess_path}")
-    export PATH
-
-    # Decouple PYTHONPATH from pyaPy
-    eee_python_path=${PYTHONPATH}
-    drop_eee_python_path="${EPICS_MODULES_PATH}/pvaPy/0.6.0/${BASE}/lib/${EPICS_HOST_ARCH}"
-    PYTHONPATH=$(drop_from_path "${eee_python_path}" "${drop_eee_python_path}")
-    export PYTHONPATH
-
-    # Unset all unique EEE variables
-    unset BASE
-    unset EPICS_BASES_PATH
-    unset EPICS_DB_INCLUDE_PATH
-    unset EPICS_MODULES_PATH
-    unset EPICS_ENV_PATH
-  fi
-
   unset EPICS_BASE
   unset EPICS_HOST_ARCH
 
@@ -239,9 +178,9 @@ SRC_NAME=${THIS_SRC##*/}
 #
 # Dynamic Changes according to the time when one installs REQUIRE
 #
-# declare -g DEFAULT_EPICS_BASE=/epics/base-3.15.5
+# declare -g DEFAULT_EPICS_BASE=/epics/base-7.0.5
 # declare -g DEFAULT_REQUIRE_NAME=require
-# declare -g DEFAULT_REQUIRE_VERSION=3.0.0
+# declare -g DEFAULT_REQUIRE_VERSION=3.4.1
 
 GENERATED_E3_CFG=$SRC_PATH/e3.cfg
 
@@ -253,9 +192,9 @@ if [ ! -f "${GENERATED_E3_CFG}" ]; then
 
   E3_REQUIRE_LOCATION=${SRC_PATH%/*}
   E3_REQUIRE_VERSION=${E3_REQUIRE_LOCATION##*/}
-  e3_REQUIRE_PATH=${E3_REQUIRE_LOCATION%/*}
-  E3_REQUIRE_NAME=${e3_REQUIRE_PATH##*/}
-  EPICS_BASE=${e3_REQUIRE_PATH%/*}
+  E3_REQUIRE_PATH=${E3_REQUIRE_LOCATION%/*}
+  E3_REQUIRE_NAME=${E3_REQUIRE_PATH##*/}
+  EPICS_BASE=${E3_REQUIRE_PATH%/*}
 
 else
 
@@ -320,18 +259,6 @@ E3_PATH="${E3_REQUIRE_BIN}:${EPICS_BASE}/bin/${EPICS_HOST_ARCH}"
 
 PATH=$(set_variable "${old_path}" "${E3_PATH}")
 
-# # We have a problem, if we have the multiple versions of one module, we have the same executable file names.
-# # "echo" selects the lower version number by default. And if the version is used with a string,
-# # we don't rely upon echo result.
-# # Rethink how we handle each binary files within a module
-# #
-# E3_SITELIBS_BINS=`echo ${E3_SITELIBS_PATH}/*_bin`;
-
-# for each_bins in ${E3_SITELIBS_BINS}; do
-#     PATH="${PATH}:$each_bins/${EPICS_HOST_ARCH}"
-# #    echo $each_bins
-# done
-
 export PATH
 
 old_ld_path=${LD_LIBRARY_PATH}
@@ -346,6 +273,7 @@ source "${SRC_PATH}"/iocsh_complete.bash
 
 print_env "$1"
 
+# Set the bash prompt to show information about the e3 environment
 BASE_version="${EPICS_BASE##*/base-}"
 E3_ENV_INFO="(${BASE_version}-${E3_REQUIRE_VERSION})"
 NEW_E3_PS="${E3_ENV_INFO}\[\033[33m\]\u\[\033[m\]@\[\033[33;1m\]\w\[\033[m\]\$ "