diff --git a/contrib/gcc-git-customization b/contrib/gcc-git-customization
new file mode 100755
index 00000000000..7f1a13bdf79
--- /dev/null
+++ b/contrib/gcc-git-customization
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# Script to add some local git customizations suitable for working
+# with the GCC git repository
+
+ask () {
+    question=$1
+    default=$2
+    var=$3
+    echo -n $question "["$default"]? "
+    read answer
+    if [ "x$answer" = "x" ]
+    then
+	eval $var=$default
+    else
+	eval $var=$answer
+    fi
+}
+
+# Add a git command to find the git commit equivalent to legacy SVN revision NNN
+git config alias.svn-rev '!f() { rev=$1; shift; git log --all --grep="From-SVN: r$rev\\b" "${@}"; } ; f'
+
+upstream=`git config --get "gcc-config.upstream"`
+if [ "x$upstream" = "x" ]
+then
+    upstream="origin"
+fi
+ask "Local name for upstream repository" "origin" upstream
+git config "gcc-config.upstream" "$upstream"
+
+remote_id=`git config --get "gcc-config.user"`
+if [ "x$remote_id" = "x" ]
+then
+    # See if the url specifies the remote user name.
+    url=`git config --get "remote.$upstream.url"`
+    if [ "x$url" = "x" ]
+    then
+	# This is a pure guess, but for many people it might be OK.
+	remote_id=`whoami`
+    else
+	remote_id=`echo $url | sed -r "s|^.*ssh://(.+)@gcc.gnu.org.*$|\1|"`
+	if [ x$remote_id = x$url ]
+	then
+	    remote_id=`whoami`
+	fi
+    fi
+fi
+ask "Account name on gcc.gnu.org" $remote_id remote_id
+git config "gcc-config.user" "$remote_id"
+
+echo "Setting up tracking for private namespace $remote_id in remotes/$upstream/me"
+git config --replace-all "remote.${upstream}.fetch" "+refs/users/${remote_id}/heads/*:refs/remotes/${upstream}/me/*" ":refs/remotes/${upstream}/me/"
+git config --replace-all "remote.${upstream}.fetch" "+refs/users/${remote_id}/tags/*:refs/tags/me/*" ":refs/tags/me/"
+git config --replace-all "remote.${upstream}.push" "+refs/heads/me/*:refs/users/${remote_id}/heads/*" "^\+refs/heads/me/"