fold-security-update-branches: Support NOACT

To align with other scripts support both NOACT env variable and dry-mode
from command line argument.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

release-scripts/fold-security-update-branches

@@ -185,14 +185,17 @@ usage() {
     echo "Example: RELEASE='v2021' $0 fold [components...] 2>&1 | tee -a console.log" >&2
 }
 
+#If the env var NOACT = 1 set dry run mode
+if [ "${NOACT}" = "1" ]
+then
+    DRY_RUN=1
+fi
 
 while getopts 'dngor' opt
 do
     case "$opt" in
         d|n)
             DRY_RUN=1
-            RUN="echo +++"
-            echo "Dry run: not modifying anything!"
             ;;
         g)
             CLEAN_GITLAB=1
@@ -207,6 +210,14 @@ do
 done
 shift "$(($OPTIND -1))"
 
+if [ "${DRY_RUN}" = "1" ]
+then
+    RUN="echo +++"
+    echo "Dry run: not modifying anything!"
+fi
+
+OSC="$RUN osc"
+
 case "$1" in
     gen-pkg-list)
         get_packages
@@ -237,7 +248,6 @@ case "$1" in
 esac
 shift "$(($OPTIND -1))"
 
-OSC="$RUN osc"
 
 if [ -z "$RELEASE" ]
 then