FIND="$(which find)"
FIND="${FIND:-$(which gfind)}"
TAR="${TAR:-$(which tar)}"
-export GZIP="-n"
+GZIP="$(which gzip)"
+
+# look up date of last commit
+if [ -d "$TOPDIR/.git" ]; then
+ GIT="$(which git)"
+ TIMESTAMP=$(cd $TOPDIR; $GIT log -1 -s --format=%ci)
+elif [ -d "$TOPDIR/.svn" ]; then
+ SVN="$(which svn)"
+ TIMESTAMP=$($SVN info "$TOPDIR" | sed -n "s/^Last Changed Date: \(.*\)/\1/p")
+else
+ TIMESTAMP=$(date)
+fi
ipkg_extract_value() {
sed -e "s/^[^:]*:[[:space:]]*//"
echo $CONTROL > $tmp_dir/tarX
# Preserve permissions (-p) when creating data.tar.gz as non-root user
-( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu -czpf $tmp_dir/data.tar.gz . )
+( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu --sort=name -cpf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz )
installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
$pkg_dir/$CONTROL/control
-( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu -czf $tmp_dir/control.tar.gz . )
+( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
rm $tmp_dir/tarX
echo "2.0" > $tmp_dir/debian-binary
pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
rm -f $pkg_file
-( cd $tmp_dir && $TAR --format=gnu -zcf $pkg_file ./debian-binary ./data.tar.gz ./control.tar.gz )
+( cd $tmp_dir && $TAR $ogargs --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
rmdir $tmp_dir