Git helper shell scripts for MarlinFirmware

Marlin/scripts/mfnew

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+#
+# mfnew
+#
+# Create a new branch based on RCBugFix or dev a given branch name
+#
+
+MFINFO=$(mfinfo) || exit
+IFS=' ' read -a INFO <<< "$MFINFO"
+TARG=${INFO[3]}
+
+if [[ ${INFO[4]} == "(no" ]]; then
+  echo "Branch is unavailable!"
+  exit 1
+fi
+
+case "$#" in
+  0 ) BRANCH=pr_for_$TARG-$(date +"%G-%d-%m|%H:%M:%S") ;;
+  1 ) BRANCH=$1 ;;
+  * ) echo "Usage: `basename $0` [branch]" 1>&2 ; exit 1 ;;
+esac
+
+git checkout $TARG -b $BRANCH