try_upgrade()
{
[ -d $1 ] && return
- PREV_VERS="$PREV_VERS 7.1-r1 7.1-rc2 7.1-rc1 6.0-r3 6.0-r2 6.0-r1 6.0-rc2 6.0-rc1 5.1-rc1 4.4-r5 4.4-r4 4.4-r3 4.4-r2 4.4-r1 4.4-RC2 4.4-RC1 4.4-test 4.3-test 4.2-test 4.0-r1 4.0-RC2 4.0-RC1"
+ PREV_VERS="$PREV_VERS 7.1-r2 7.1-r1 7.1-rc2 7.1-rc1 6.0-r3 6.0-r2 6.0-r1 6.0-rc2 6.0-rc1 5.1-rc1 4.4-r5 4.4-r4 4.4-r3 4.4-r2 4.4-r1 4.4-RC2 4.4-RC1 4.4-test 4.3-test 4.2-test 4.0-r1 4.0-RC2 4.0-RC1"
for v in $PREV_VERS; do
local prev
if [ -d hd/$v ]; then