fetch-shib-snapshot

#!/bin/bash

#
# Fetch the Shibboleth SNAPSHOT release to use.
#
# Requires:
#
# - wget
# - xsltproc
#
. VERSIONS

#
# Exit when any command fails
#
set -e

#
# Destination directory
#
DEST=fetched-${SHIB_RELEASE}-$(date +%F)
DEST2=fetched

# Maven coordinates
MVN_G=net.shibboleth.idp
MVN_A=idp-distribution
MVN_R=snapshots
MVN_V=$SHIB_RELEASE-SNAPSHOT

# Where to get things from
MVN_DIST_DIR=https://build.shibboleth.net/maven/$MVN_R/net/shibboleth/idp/$MVN_A/$MVN_V
echo "MVN_DIST_DIR: $MVN_DIST_DIR"
SHIB_PREFIX=shibboleth-identity-provider-$MVN_V
echo "Prefix: $SHIB_PREFIX"

#
# Pull the distribution's Maven metadata file.
#
META_TMP=maven-metadata.tmp
rm -f $META_TMP
wget -q -O $META_TMP $MVN_DIST_DIR/maven-metadata.xml 

#
# Figure out what the latest version is called.
#
VSN_VALUE=`xsltproc snapshot-version.xsl $META_TMP`
echo "VSN_VALUE: $VSN_VALUE"
SRC_URI=$MVN_DIST_DIR/$MVN_A-$VSN_VALUE.tar.gz
echo "SRC_URI: $SRC_URI"

#
# Clean temporary file.
#
rm -f $META_TMP

# Import Shibboleth project keys
gpg --import SHIB_KEYS

# Fetch everything into a clean download directory
rm -rf $DEST
mkdir $DEST
cd $DEST

# Fetch the IdP release
SHIB_ARCHIVE=$SHIB_PREFIX.tar.gz
wget -O $SHIB_ARCHIVE      $SRC_URI
wget -O $SHIB_ARCHIVE.sha1 $SRC_URI.sha1

# Rewrite the SHA-1 checksum with a file name
checksum=$(cat $SHIB_ARCHIVE.sha1)
echo $checksum $SHIB_ARCHIVE>$SHIB_ARCHIVE.sha1

# Verify SHA-1 checksum on IdP release
echo SHA-1 check for $SHIB_ARCHIVE
sha1sum --check $SHIB_ARCHIVE.sha1

# Unpack IdP and rename to standard directories
tar xf $SHIB_ARCHIVE
mv $SHIB_PREFIX shibboleth-dist

cd ..

# Copy to normal "fetched" directory
echo "Downloaded to $DEST, copying to $DEST2."
rm -rf $DEST2
cp -r $DEST $DEST2

# End.