Change echo to evaluate newline in text property, unify echo usage

bin/out

@@ -60,7 +60,7 @@ if [[ "$always_notify" == "true" || -n "$TEXT_FILE_CONTENT" || -z "$text_file" |
 then
   export TEXT_FILE_CONTENT="${TEXT_FILE_CONTENT:-_(text_file not provided)_}"
 
-  text=$(echo -n "${text}" | envsubst)
+  text=$(echo -en "${text}" | envsubst)
   [[ -z "${text}" ]] && text="_(missing notification text)_"
 
   [ "${link}" == "true" ] && formatted_body="<a href=\"$ATC_EXTERNAL_URL/teams/${team}/pipelines/$BUILD_PIPELINE_NAME/jobs/$BUILD_JOB_NAME/builds/$BUILD_NAME\">${text}</a>"
@@ -71,10 +71,10 @@ then
   fi
 
   text=$(echo -n "${text}" | jq -R -s .)
-  [ -n "${formatted_body}" ] && formatted_body="$(echo -n "${formatted_body}" | jq -R -s .)"
+  [ -n "${formatted_body}" ] && formatted_body=$(echo -n "${formatted_body}" | jq -R -s .)
 
-  [[ "${token}"   != "null" ]] && username="$(echo "$token" | envsubst | jq -R -s .)"
-  [[ "${room_id}" != "null" ]] && room_id="$(echo "$room_id" | envsubst | jq -R -s .)"
+  [[ "${token}"   != "null" ]] && username=$(echo "$token" | envsubst | jq -R -s .)
+  [[ "${room_id}" != "null" ]] && room_id=$(echo "$room_id" | envsubst | jq -R -s .)
   body="$(cat <<EOF
 {
   "msgtype": "${msgtype}",
@@ -95,20 +95,20 @@ EOF
 }
 EOF
     )"
-    body=$(echo -n $body | jq -c ".build=$builddata")
+    body=$(echo -n "$body" | jq -c ".build=$builddata")
     if [ -n "${formatted_body}" ]; then
-      body=$(echo -n $body | jq -c ".formatted_body=$formatted_body")
-      body=$(echo -n $body | jq -c ".format=\"org.matrix.custom.html\"")
+      body=$(echo -n "$body" | jq -c ".formatted_body=$formatted_body")
+      body=$(echo -n "$body" | jq -c ".format=\"org.matrix.custom.html\"")
     fi
     if [ -n "$DATA_FILE_CONTENT" ]; then
-      body=$(echo -n $body | jq -c ".data=$DATA_FILE_CONTENT")
+      body=$(echo -n "$body" | jq -c ".data=$DATA_FILE_CONTENT")
     fi
     if [ -n "${trigger}" ]; then
-      body=$(echo -n $body | jq -c ".trigger=\"${trigger}\"")
+      body=$(echo -n "$body" | jq -c ".trigger=\"${trigger}\"")
     fi
 #  fi
 
-  compact_body="$(echo -n "${body}" | jq -c '.')"
+  compact_body=$(echo -n "${body}" | jq -c '.')
 
   if [[ "$silent" == "true" ]]
   then