Merge pull request #1973 from metwork-framework/mergify/bp/release_2.…

…2/pr-1972

build: add salem sample data for mfext only (backport #1972)

adm/templates/profile

@@ -203,9 +203,15 @@ fi
 {% endif %}
 
 {% if MFMODULE == "MFEXT" %}
-# For salem users not allowed to get salem-sample-data file from internet, you can execute (once only) the following two commented lines
-# mkdir -p "${HOME}/.salem_cache"
-# ln -s "${MFEXT_HOME}/opt/python3_scientific/share/salem/salem-sample-data-57e6d694aa470b967336f5ca2d4fc743c5c8efd6.zip" "${HOME}/.salem_cache/salem-sample-data-57e6d694aa470b967336f5ca2d4fc743c5c8efd6.zip"
+if test -f "${MFEXT_HOME}/opt/python3_scientific/share/salem/salem-sample-data-57e6d694aa470b967336f5ca2d4fc743c5c8efd6.zip"; then
+    if test ! -d "${HOME}/.salem_cache"; then
+        mkdir -p "${HOME}/.salem_cache"
+    fi
+    if test ! -L "${HOME}/.salem_cache/salem-sample-data-57e6d694aa470b967336f5ca2d4fc743c5c8efd6.zip"; then
+        rm -f "${HOME}/.salem_cache/salem-sample-data-57e6d694aa470b967336f5ca2d4fc743c5c8efd6.zip"
+        ln -s "${MFEXT_HOME}/opt/python3_scientific/share/salem/salem-sample-data-57e6d694aa470b967336f5ca2d4fc743c5c8efd6.zip" "${HOME}/.salem_cache/salem-sample-data-57e6d694aa470b967336f5ca2d4fc743c5c8efd6.zip"
+    fi
+fi
 {% endif %}
 
 # A little kind of magic to deal with [log]/json_file=AUTO