Merge pull request #4056 from thinkyhead/rc_mfinit

Script to init the upstream remote for Marlin

buildroot/share/git/ghtp

+#!/usr/bin/env bash
+#
+# ghtp (GitHub Transport Protocol)
+#
+# Set all remotes in the current repo to HTTPS or SSH connection.
+# Useful when switching environments, using public wifi, etc.
+#
+
+GH_SSH="git@github\.com:"
+GH_HTTPS="https:\/\/github\.com\/"
+
+case "$1" in
+  -[Hh]) TYPE=HTTPS ; MATCH="git@" ; FORMULA="$GH_SSH/$GH_HTTPS" ;;
+  -[Ss]) TYPE=SSH ; MATCH="https:" ; FORMULA="$GH_HTTPS/$GH_SSH" ;;
+  *)
+    echo "Usage: `basename $0` -h | -s" 1>&2
+    echo -e " \e[0;92m-h\e[0m to switch to HTTPS" 1>&2
+    echo -e " \e[0;92m-s\e[0m to switch to SSH" 1>&2
+    exit 1
+    ;;
+esac
+
+REMOTES=$(git remote -v | egrep "\t$MATCH" | gawk '{print $1 " " $2}' | sort -u | sed  "s/$FORMULA/")
+
+if [[ -z $REMOTES ]]; then
+  echo "Nothing to do." ; exit
+fi
+
+echo "$REMOTES" | xargs -n2 git remote set-url
+
+echo -n "Remotes set to $TYPE: "
+echo "$REMOTES" | gawk '{printf "%s ", $1}'
+echo

buildroot/share/git/mfinit

+#!/usr/bin/env bash
+#
+# mfinit
+#
+# Create the upstream repository for Marlin
+#
+
+git remote add upstream git@github.com:MarlinFirmware/Marlin.git