build_prep starts with a call to build_prep_early so this is redundant
(and confusing).
Effect is to sometimes no longer duplicate some effort.
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
sub cmd_git_build { cmd_gbp_build(); } # compatibility with <= 1.0
sub build_source {
sub cmd_git_build { cmd_gbp_build(); } # compatibility with <= 1.0
sub build_source {
build_prep();
$sourcechanges = changespat $version,'source';
if (act_local()) {
build_prep();
$sourcechanges = changespat $version,'source';
if (act_local()) {