!/bin/bash
#
# update-web2py.sh
# 2009-12-16
#
# install in web2py/.. or web2py/ or web2py/scripts as update-web2py.sh
# make executable: chmod +x web2py.sh
#
# save a snapshot of current web2py/ as web2py/../web2py-version.zip
# download the current stable version of web2py
# unzip downloaded version over web2py/
#
TARGET=web2py
if [ ! -d $TARGET ]; then
# in case we're in web2py/
if [ -f ../$TARGET/VERSION ]; then
cd ..
# in case we're in web2py/scripts
elif [ -f ../../$TARGET/VERSION ]; then
cd ../..
fi
fi
read a VERSION c < $TARGET/VERSION
SAVE=$TARGET-$VERSION
URL=http://www.web2py.com/examples/static/web2py_src.zip
ZIP=`basename $URL`
SAVED=""
# Save a zip archive of the current version,
# but don't overwrite a previous save of the same version.
#
if [ -f $SAVE.zip ]; then
echo "Remove or rename $SAVE.zip first" >&2
exit 1
fi
if [ -d $TARGET ]; then
echo -n ">>Save old version: " >&2
cat $TARGET/VERSION >&2
zip -q -r $SAVE.zip $TARGET
SAVED=$SAVE.zip
fi
#
# Download the new version.
#
echo ">>Download latest web2py release:" >&2
curl -O $URL
#
# Unzip into web2py/
#
unzip -q -o $ZIP
rm $ZIP
echo -n ">>New version: " >&2
cat $TARGET/VERSION >&2
if [ "$SAVED" != "" ]; then
echo ">>Old version saved as $SAVED"
fi
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