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#!/bin/bash
#
# Mediawiki upgrader.
#
# Config parameters
BASENAME="`basename $0`"
RELEASES="http://releases.wikimedia.org/mediawiki/"
# Sudo config
if [ "`whoami`" != 'root' ]; then
sudo="sudo"
fi
# Deploy
function mediawiki_deploy {
VERSION="$1"
MAJOR_VERSION="`echo $VERSION | cut -d . --fields=1,2`"
TARBALL="mediawiki-$VERSION.tar.gz"
# Version check
if [ -z "$VERSION" ]; then
echo "usage: $BASENAME deploy <version>"
exit 1
elif [ -d "mediawiki-$VERSION" ]; then
echo "mediawiki-$VERSION already installed."
exit
fi
$sudo wget -c $RELEASES/$MAJOR_VERSION/$TARBALL || exit 1
$sudo wget -c $RELEASES/$MAJOR_VERSION/$TARBALL.sig || exit 1
gpg --verify $TARBALL.sig $TARBALL
# Use --no-same-owner ensures tar doesn't fail if
# extracting to a file system that doesn't accept
# ownership change
$sudo tar --no-same-owner -xvf $TARBALL || exit 1
# In some filesystems we won't be able to change ownership, so
# that's why we're ignoring errors
$sudo chown -R root: mediawiki-$VERSION &> /dev/null
$sudo rm $TARBALL*
$sudo ln -sf mediawiki-$VERSION mediawiki
}
# Upgrade
function mediawiki_upgrade {
OLD_VERSION="$1"
VERSION="$2"
# Version check
if [ -z "$VERSION" ]; then
echo "usage: $BASENAME upgrade <old-version> <new-version>"
exit 1
elif [ -d "mediawiki-$VERSION" ]; then
echo "mediawiki-$VERSION already installed."
exit
elif [ ! -d "mediawiki-$OLD_VERSION" ]; then
echo "error: mediawiki-$OLD_VERSION is not installed, aborting."
exit 1
fi
# Deploy
mediawiki_deploy $VERSION
# Copy configuration
$sudo cp -a mediawiki-$OLD_VERSION/LocalSettings*.php mediawiki-$VERSION/
# Contrib extensions
if [ -d "mediawiki-$OLD_VERSION/contrib" ]; then
$sudo cp -a mediawiki-$OLD_VERSION/contrib mediawiki-$VERSION/
# Symlink extensions
for extension in `ls mediawiki-$OLD_VERSION/extensions`; do
if [ -h "mediawiki-$OLD_VERSION/extensions/$extension" ]; then
$sudo cp -ar mediawiki-$OLD_VERSION/extensions/$extension mediawiki-$VERSION/extensions/
fi
done
fi
# Audit
echo "Audit:"
du -hs mediawiki-$OLD_VERSION
du -hs mediawiki-$VERSION
}
# Main
if [ -z "$1" ]; then
echo "Usage: $BASENAME <deploy|upgrade> [arguments]"
exit 1
elif [ "$1" == "deploy" ]; then
shift
mediawiki_deploy $*
elif [ "$1" == "upgrade" ]; then
shift
mediawiki_upgrade $*
else
echo "No action $1"
exit 1
fi
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