-
- if ($quilt_mode eq 'linear'
- && !$fopts->{'single-debian-patch'}
- && branch_is_gdr($headref)) {
- # This is much faster. It also makes patches that gdr
- # likes better for future updates without laundering.
- #
- # However, it can fail in some casses where we would
- # succeed: if there are existing patches, which correspond
- # to a prefix of the branch, but are not in gbp/gdr
- # format, gdr will fail (exiting status 7), but we might
- # be able to figure out where to start linearising. That
- # will be slower so hopefully there's not much to do.
- my @cmd = (@git_debrebase,
- qw(--noop-ok -funclean-mixed -funclean-ordering
- make-patches --quiet-would-amend));
- # We tolerate soe snags that gdr wouldn't, by default.
- if (act_local()) {
- debugcmd "+",@cmd;
- $!=0; $?=-1;
- failedcmd @cmd
- if system @cmd
- and not ($? == 7*256 or
- $? == -1 && $!==ENOENT);
- } else {
- dryrun_report @cmd;
- }
- $headref = git_rev_parse('HEAD');
- }