Add modifications to support Cygwin.

I don't know while FILEDIR includes "..", so I removed it...
Otherwise the changes should not affect Linux users, but please review.
 - Legacy-Id: 17486

docker/run

@@ -79,11 +79,17 @@ longopts=download-data,help,ietfdb-url=,mysqldata=,no-mysqldir,port=,docker-repo
 
 # Default values
 MYSQLDIR=$parent/data/mysql
-FILEDIR=$parent/../data/
+MYSQLDIR=$(echo $MYSQLDIR | sed -e 's/^\/cygdrive\/\(.\)/\1:/')
+
+#FILEDIR=$parent/../data/
+FILEDIR=$parent/data/
+
 PORT=8000
 REPO="ietf/datatracker-environment"
 DBURL=https://www.ietf.org/lib/dt/sprint/ietf_utf8.bin.tar.bz2
 WHO=$(whoami)
+WHO=$(echo $WHO | sed -e 's/^.*\\//' | tr -d \\r)
+
 WHOUID=$(id -u $WHO)
 WHOGID=$(id -g $WHO)
 
@@ -120,7 +126,9 @@ while true ; do
 done
 
 if [ -z "$TAG" ]; then
-  TAG=$(basename $(svn info $parent | grep ^URL | awk '{print $2}'))
+#  TAG=$(basename $(svn info $parent | grep ^URL | awk '{print $2}'))
+  TAG=$(basename $(svn info | grep ^URL | awk '{print $2}'))
+  TAG=$(echo $TAG | tr -d \\r)
 fi
 
 # ----------------------------------------------------------------------
@@ -133,13 +141,17 @@ if   [ "$(uname)" = "Darwin" ]; then
     CMD="open -a"
 elif [ "$(uname)" = "Linux" ]; then
     echo "Running on Linux."
+elif [ "$(uname)" = "CYGWIN_NT-10.0" ]; then
+    echo "Running on Cygwin."
+    HOME=$(echo $USERPROFILE | sed -e 's/\\/\//g')
+    echo "Using home dir $HOME"
 else
     die "This script does not have support for your architecture ($(uname)); sorry :-("
 fi
 
 if   [ "$(uname)" = "Linux" ]; then
     echo "Not trying to start a virtual docker machine on Linux"
-elif [ -e "$APP" ]; then
+elif [ -e "$APP" -o "$(uname)" = "CYGWIN_NT-10.0" ]; then
     info=$(docker info 2>&1 || true)
     if ! docker info 1> /dev/null 2>&1; then
 	echo -e "The docker VM doesn't seem to be running; docker info gave:\n  $info"