__nextcloud: stricter check configuration values

This now checks the configuration value exactly and does not say there
are equal if just the end of the string differs.

Resulting from this, it will run code the next run if the default port
was in a database migration. This was fixed by instantly correct this
configuration value.

type/__nextcloud/map-conf-changes.sh

@@ -35,7 +35,7 @@ testparam() {
     # short-circuit after installation; the explorer may not be valid
     if [ "$install" ]; then return 1; fi
 
-    if grep -q -F "$1 = $2" "$__object/explorer/config"; then
+    if grep -q -Fx "$1 = $2" "$__object/explorer/config"; then
         return 0
     else
         return 1
@@ -113,7 +113,6 @@ conf_decimal() {
 # Arguments:
 #  1: cdist type parameter name
 #  2: nextcloud config name
-# FIXME default value required for booleans?
 conf_boolean() {
     # map parameter to a php boolean (are outputted as 0 or 1)
     if [ -f "$__object/parameter/$1" ]; then
@@ -239,6 +238,10 @@ migrate_db() {
                 database_port=5432
                 ;;
         esac
+
+        # Correct this value to the value set by the parameter
+        # this will prevent codegen in the run after the migration
+        correct_standard_port="yes"
     fi
 
     # print out the correct command
@@ -246,6 +249,11 @@ migrate_db() {
         '%s' '%s' --password '%s' '%s' --port '%u' '%s'\n" \
         "$database_type" "$database_user" "$database_pass" "$database_host" "$database_port" "$database_name"
     printf "php occ maintenance:mode --on\n"  # was disabled by database convertion
+
+    # Correct the database host value if it was not correctly set by the migration script
+    if [ "$correct_standard_port" = "yes" ]; then
+        printf "php occ config:system:set '%s' --type=string --value '%s'\n" "dbhost" "$database_host"
+    fi
 }