root/trunk/hotstuff/scripts/pre-commit

#!/bin/sh
#
# GHNS pre-commit hook for meta file validation in a SVN-backed repository
# Copyright (C) 2007 Josef Spillner <josef@kstuff.org>
# Published under 'GNU AGPLv3 or later' conditions

# Read in parameters
REPOS="$1"
TXN="$2"

# Change to line-based processing
IFS="
"

# Assign values for temporary file locations
diff=~/.ghnsmeta.$$.diff
cat=~/.ghnsmeta.$$.cat

# Examine files: we're only interested in '*.meta'
changes=`svnlook changed -t $TXN $REPOS | grep "\.meta"`
for change in $changes; do
        # Get the previous version (might be empty) and the patch
        mod=`echo $change | awk '{print $1}'`
        file=`echo $change | awk '{print $2}'`
        svnlook diff -t $TXN $REPOS | filterdiff -i "$file" > $diff
        svnlook cat $REPOS "$file" > $cat 2>/dev/null

        # Apply the requested changes to files
        patch $cat $diff

        # Shortcut for deletions
        lines=`wc -l $cat | awk '{print $1}'`
        if [ $lines = 0 ]; then
                continue
        fi

        # Run XML validation first
        out=`xmllint --noout $cat 2>&1`
        if [ $? != 0 ]; then
                echo "----------------------------" >&2
                echo "** GHNS validation failed **" >&2
                echo "Reason: Invalid XML in $file" >&2
                echo "----------------------------" >&2
                echo $out >&2
                exit 1
        fi

        # Run XML schema validation
        out=`xmllint --schema /etc/xml/ghns.xsd --noout $cat 2>&1`
        if [ $? != 0 ]; then
                echo "----------------------------" >&2
                echo "** GHNS validation failed **" >&2
                echo "Reason: Non-conforming upload XML in $file" >&2
                echo "----------------------------" >&2
                echo $out >&2
                exit 1
        fi
done

# Look for provider administrativia
changes=`svnlook changed -t $TXN $REPOS | grep "ADMIN/hotstuff.d/"`
for change in $changes; do
        # Get the previous version (might be empty) and the patch
        mod=`echo $change | awk '{print $1}'`
        file=`echo $change | awk '{print $2}'`
        svnlook diff -t $TXN $REPOS | filterdiff -i "$file" > $diff
        svnlook cat $REPOS "$file" > $cat 2>/dev/null

        # Apply the requested changes to files
        patch $cat $diff

        # Shortcut for deletions
        lines=`wc -l $cat | awk '{print $1}'`
        if [ $lines = 0 ]; then
                continue
        fi

        # Add repository databases for new provider files
        publiccat=/tmp/.ghnsmeta.$$.publiccat
        cp $cat $publiccat
        out=`hotstuff-siteadmin addsvn $publiccat 2>&1`
        ret=$?
        rm -f $publiccat
        if [ $ret != 0 ]; then
                echo "-----------------------------------------" >&2
                echo "** GHNS provider administration failed **" >&2
                echo "Reason: Siteadmin error in $file" >&2
                echo "-----------------------------------------" >&2
                echo $out >&2
                exit 1
        fi
done

rm -f $diff
rm -f $cat

exit 0