our $our_version = 'UNRELEASED'; ###substituted###
our $absurdity = undef; ###substituted###
-our @rpushprotovsn_support = qw(4 3 2); # 4 is new tag format
+our @rpushprotovsn_support = qw(4 5); # 5 drops tag format specification
our $protovsn;
our $cmd;
our $overwrite_version; # undef: not specified; '': check changelog
our $quilt_mode;
our $quilt_modes_re = 'linear|smash|auto|nofix|nocheck|gbp|dpm|unapplied';
+our $splitview_mode;
+our $splitview_modes_re = qr{auto|always|never};
our $dodep14tag;
our %internal_object_save;
our $we_are_responder;
our $we_are_initiator;
our $initiator_tempdir;
our $patches_applied_dirtily = 00;
-our $tagformat_want;
-our $tagformat;
-our $tagformatfn;
our $chase_dsc_distro=1;
our %forceopts = map { $_=>0 }
our $supplementary_message = '';
our $made_split_brain = 0;
-our $do_split_brain = 0;
+our $do_split_brain;
# Interactions between quilt mode and split brain
# (currently, split brain only implemented iff
-# madformat_wantfixup && quiltmode_splitbrain)
+# madformat_wantfixup && quiltmode_splitting)
#
# source format sane `3.0 (quilt)'
# madformat_wantfixup()
#
# no split no q cache no q cache forbidden,
# brain PM on master q fixup on master prevented
-# !$do_split_brain PM on master
+# !do_split_brain() PM on master
#
# split brain no q cache q fixup cached, to dgit view
# PM in dgit view PM in dgit view
$absurdity =~ s{/[^/]+$}{/absurd} or die;
}
-sub debiantag ($$) {
- my ($v,$distro) = @_;
- return $tagformatfn->($v, $distro);
-}
-
sub madformat ($) { $_[0] eq '3.0 (quilt)' }
sub lbranch () { return "$branchprefix/$csuite"; }
}
}
-sub quiltmode_splitbrain () {
+sub quiltmode_splitting () {
$quilt_mode =~ m/gbp|dpm|unapplied/;
}
+sub do_split_brain () { !!($do_split_brain // confess) }
+
sub opts_opt_multi_cmd {
my $extra = shift;
my @cmd;
# > progress NBYTES
# [NBYTES message]
#
-# > supplementary-message NBYTES # $protovsn >= 3
+# > supplementary-message NBYTES
# [NBYTES message]
#
# main sequence:
#
# > param head DGIT-VIEW-HEAD
# > param csuite SUITE
-# > param tagformat old|new
+# > param tagformat new # $protovsn == 4
# > param maint-view MAINT-VIEW-HEAD
#
# > param buildinfo-filename P_V_X.buildinfo # zero or more times
'dgit.default.archive-query' => 'madison:',
'dgit.default.sshpsql-dbname' => 'service=projectb',
'dgit.default.aptget-components' => 'main',
- 'dgit.default.dgit-tag-format' => 'new,old,maint',
'dgit.default.source-only-uploads' => 'ok',
'dgit.dsc-url-proto-ok.http' => 'true',
'dgit.dsc-url-proto-ok.https' => 'true',
parseopts_late_defaults();
}
+sub determine_whether_split_brain () {
+ my ($format,) = get_source_format();
+
+ {
+ local $access_forpush;
+ default_from_access_cfg(\$splitview_mode, 'split-view', 'auto',
+ $splitview_modes_re);
+ $do_split_brain = 1 if $splitview_mode eq 'always';
+ }
+
+ printdebug "format $format, quilt mode $quilt_mode\n";
+
+ if (madformat_wantfixup($format) && quiltmode_splitting()) {
+ $splitview_mode ne 'never' or
+ fail f_ "dgit: quilt mode \`%s' (for format \`%s')".
+ " implies split view, but split-view set to \`%s'",
+ $quilt_mode, $format, $splitview_mode;
+ $do_split_brain = 1;
+ }
+ $do_split_brain //= 0;
+}
+
sub supplementary_message ($) {
my ($msg) = @_;
if (!$we_are_responder) {
$supplementary_message = $msg;
return;
- } elsif ($protovsn >= 3) {
+ } else {
responder_send_command "supplementary-message ".length($msg)
or confess "$!";
print PO $msg or confess "$!";
sub file_in_archive_dummycat () { return undef; }
sub package_not_wholly_new_dummycat () { return undef; }
-#---------- tag format handling ----------
-# (untranslated, because everything should be new tag format by now)
-
-sub access_cfg_tagformats () {
- split /\,/, access_cfg('dgit-tag-format');
-}
-
-sub access_cfg_tagformats_can_splitbrain () {
- my %y = map { $_ => 1 } access_cfg_tagformats;
- foreach my $needtf (qw(new maint)) {
- next if $y{$needtf};
- return 0;
- }
- return 1;
-}
-
-sub need_tagformat ($$) {
- my ($fmt, $why) = @_;
- fail "need to use tag format $fmt ($why) but also need".
- " to use tag format $tagformat_want->[0] ($tagformat_want->[1])".
- " - no way to proceed"
- if $tagformat_want && $tagformat_want->[0] ne $fmt;
- $tagformat_want = [$fmt, $why, $tagformat_want->[2] // 0];
-}
-
-sub select_tagformat () {
- # sets $tagformatfn
- return if $tagformatfn && !$tagformat_want;
- die 'bug' if $tagformatfn && $tagformat_want;
- # ... $tagformat_want assigned after previous select_tagformat
-
- my (@supported) = grep { $_ =~ m/^(?:old|new)$/ } access_cfg_tagformats();
- printdebug "select_tagformat supported @supported\n";
-
- $tagformat_want //= [ $supported[0], "distro access configuration", 0 ];
- printdebug "select_tagformat specified @$tagformat_want\n";
-
- my ($fmt,$why,$override) = @$tagformat_want;
-
- fail "target distro supports tag formats @supported".
- " but have to use $fmt ($why)"
- unless $override
- or grep { $_ eq $fmt } @supported;
-
- $tagformat_want = undef;
- $tagformat = $fmt;
- $tagformatfn = ${*::}{"debiantag_$fmt"};
-
- fail "trying to use unknown tag format \`$fmt' ($why) !"
- unless $tagformatfn;
-}
-
#---------- archive query entrypoints and rest of program ----------
sub canonicalise_suite () {
# deliberately-not-ff, in which case we must fetch everything.
my @specs = deliberately_not_fast_forward ? qw(tags/*) :
- map { "tags/$_" }
- (quiltmode_splitbrain
- ? (map { $_->('*',access_nomdistro) }
- \&debiantag_new, \&debiantag_maintview)
- : debiantags('*',access_nomdistro));
+ map { "tags/$_" } debiantags('*',access_nomdistro);
push @specs, server_branch($csuite);
push @specs, $rewritemap;
push @specs, qw(heads/*) if deliberately_not_fast_forward;
if (!$we_are_initiator) {
# rpush initiator can't do this because it doesn't have $isuite yet
- my $tag = debiantag($cversion, access_nomdistro);
+ my $tag = debiantag_new($cversion, access_nomdistro);
runcmd @git, qw(check-ref-format), $tag;
}
my ($cversion, $dgithead, $maintviewhead, $tfbase) = @_;
my @tagwants;
push @tagwants, {
- TagFn => \&debiantag,
+ TagFn => \&debiantag_new,
Objid => $dgithead,
TfSuffix => '',
View => 'dgit',
TfSuffix => '-maintview',
View => 'maint',
};
- } elsif ($dodep14tag eq 'no' ? 0
- : $dodep14tag eq 'want' ? access_cfg_tagformats_can_splitbrain
- : $dodep14tag eq 'always'
- ? (access_cfg_tagformats_can_splitbrain or fail <<END)
---dep14tag-always (or equivalent in config) means server must support
- both "new" and "maint" tag formats, but config says it doesn't.
-END
- : die "$dodep14tag ?") {
+ } elsif ($dodep14tag ne 'no') {
push @tagwants, {
TagFn => \&debiantag_maintview,
Objid => $dgithead,
You can retry the push, after fixing the problem, if you like.
END
- need_tagformat 'new', "quilt mode $quilt_mode"
- if quiltmode_splitbrain;
-
prep_ud();
access_giturl(); # check that success is vaguely likely
rpush_handle_protovsn_bothends() if $we_are_initiator;
- select_tagformat();
my $clogpfn = dgit_privdir()."/changelog.822.tmp";
runcmd shell_cmd "exec >$clogpfn", qw(dpkg-parsechangelog);
my $actualhead = git_rev_parse('HEAD');
if (branch_is_gdr_unstitched_ff($symref, $actualhead, $archive_hash)) {
- if (quiltmode_splitbrain()) {
+ if (quiltmode_splitting()) {
my ($ffq_prev, $gdrlast) = branch_gdr_info($symref, $actualhead);
fail f_ <<END, $ffq_prev, $quilt_mode;
Branch is managed by git-debrebase (%s
if (madformat_wantfixup($format)) {
# user might have not used dgit build, so maybe do this now:
- if ($do_split_brain) {
+ if (do_split_brain()) {
changedir $playground;
my $cachekey;
($dgithead, $cachekey) =
perhaps HEAD changed since dgit build[-source] ?",
$quilt_mode;
}
- if (!$do_split_brain) {
+ if (!do_split_brain()) {
# In split brain mode, do not attempt to incorporate dirty
# stuff from the user's working tree. That would be mad.
commit_quilty_patch();
}
}
- if ($do_split_brain) {
+ if (do_split_brain()) {
$made_split_brain = 1;
$dgithead = splitbrain_pseudomerge($clogp,
$actualhead, $dgithead,
}
}
- confess unless !!$made_split_brain == !!$do_split_brain;
+ confess unless !!$made_split_brain == do_split_brain();
changedir $playground;
progress f_ "checking that %s corresponds to HEAD", $dscfn;
responder_send_command("param head $dgithead");
responder_send_command("param csuite $csuite");
responder_send_command("param isuite $isuite");
- responder_send_command("param tagformat $tagformat");
+ responder_send_command("param tagformat new"); # needed in $protovsn==4
if (defined $maintviewhead) {
- confess "internal error (protovsn=$protovsn)"
- if defined $protovsn and $protovsn < 4;
responder_send_command("param maint-view $maintviewhead");
}
sub cmd_pull {
parseopts();
fetchpullargs();
- if (quiltmode_splitbrain()) {
+ determine_whether_split_brain();
+ if (do_split_brain()) {
my ($format, $fopts) = get_source_format();
madformat($format) and fail f_ <<END, $quilt_mode
dgit pull not yet supported in split view mode (--quilt=%s)
# a good error message)
sub rpush_handle_protovsn_bothends () {
- if ($protovsn < 4) {
- need_tagformat 'old', "rpush negotiated protocol $protovsn";
- }
- select_tagformat();
}
our $i_tmp;
changedir $i_tmp;
($protovsn) = initiator_expect { m/^dgit-remote-push-ready (\S+)/ };
die "$protovsn ?" unless grep { $_ eq $protovsn } @rpushprotovsn_support;
- $supplementary_message = '' unless $protovsn >= 3;
for (;;) {
my ($icmd,$iargs) = initiator_expect {
pushing();
rpush_handle_protovsn_bothends();
- fail f_ "rpush negotiated protocol version %s".
- " which does not support quilt mode %s",
- $protovsn, $quilt_mode
- if quiltmode_splitbrain && $protovsn < 4;
-
my @localpaths = i_method "i_want", $keyword;
printdebug "[[ $keyword @localpaths\n";
foreach my $localpath (@localpaths) {
my $maintview = $i_param{'maint-view'};
die if defined $maintview && $maintview =~ m/[^0-9a-f]/;
- select_tagformat();
- if ($protovsn >= 4) {
+ if ($protovsn == 4) {
my $p = $i_param{'tagformat'} // '<undef>';
- $p eq $tagformat
- or badproto \*RO, "tag format mismatch: $p vs. $tagformat";
+ $p eq 'new'
+ or badproto \*RO, "tag format mismatch: $p vs. new";
}
die unless $i_param{'csuite'} =~ m/^$suite_re$/;
return $r;
}
-sub quiltify_splitbrain ($$$$$$$) {
+sub quiltify_splitting ($$$$$$$) {
my ($clogp, $unapplied, $headref, $oldtiptree, $diffbits,
$editedignores, $cachekey) = @_;
my $gitignore_special = 1;
local $ENV{GIT_AUTHOR_EMAIL} = $authline[1];
local $ENV{GIT_AUTHOR_DATE} = $authline[2];
- confess unless $do_split_brain;
+ confess unless do_split_brain();
my $fulldiffhint = sub {
my ($x,$y) = @_;
[dgit ($our_version) update-gitignore-quilt-fixup]
ENDU
}
-
- my $dgitview = git_rev_parse 'HEAD';
-
- changedir $maindir;
- reflog_cache_insert "refs/$splitbraincache", $cachekey, $dgitview;
-
- changedir "$playground/work";
-
- my $saved = maybe_split_brain_save $headref, $dgitview, __ "converted";
- progress f_ "dgit view: created (%s)", $saved;
}
sub quiltify ($$$$) {
my $splitbrain_cachekey;
- if ($do_split_brain) {
+ if (do_split_brain()) {
my $cachehit;
($cachehit, $splitbrain_cachekey) =
quilt_check_splitbrain_cache($headref, $upstreamversion);
}
unpack_playtree_need_cd_work($headref);
- if ($do_split_brain) {
+ if (do_split_brain()) {
runcmd @git, qw(checkout -q -b dgit-view);
# so long as work is not deleted, its current branch will
# remain dgit-view, rather than master, so subsequent calls to
fail f_
"quilt mode %s does not make sense (or is not supported) with single-debian-patch",
$quilt_mode
- if quiltmode_splitbrain();
+ if quiltmode_splitting();
quilt_fixup_singlepatch($clogp, $headref, $upstreamversion);
} else {
quilt_fixup_multipatch($clogp, $headref, $upstreamversion,
$splitbrain_cachekey);
}
+ if (do_split_brain()) {
+ my $dgitview = git_rev_parse 'HEAD';
+
+ changedir $maindir;
+ reflog_cache_insert "refs/$splitbraincache",
+ $splitbrain_cachekey, $dgitview;
+
+ changedir "$playground/work";
+
+ my $saved = maybe_split_brain_save $headref, $dgitview, __ "converted";
+ progress f_ "dgit view: created (%s)", $saved;
+ }
+
changedir $maindir;
runcmd_ordryrun_local
@git, qw(pull --ff-only -q), "$playground/work", qw(master);
sub build_check_quilt_splitbrain () {
build_maybe_quilt_fixup();
-
- if ($do_split_brain) {
- fail <<END unless access_cfg_tagformats_can_splitbrain;
-quilt mode $quilt_mode requires split view so server needs to support
- both "new" and "maint" tag formats, but config says it doesn't.
-END
- }
}
sub unpack_playtree_need_cd_work ($) {
push @failsuggestion, [ 'origs', __
"Maybe orig tarball(s) are not identical to git representation?" ];
- if (quiltmode_splitbrain()) {
- quiltify_splitbrain($clogp, $unapplied, $headref, $oldtiptree,
- $diffbits, \%editedignores,
- $splitbrain_cachekey);
+ if (quiltmode_splitting()) {
+ quiltify_splitting($clogp, $unapplied, $headref, $oldtiptree,
+ $diffbits, \%editedignores,
+ $splitbrain_cachekey);
return;
}
progress f_ "starting quiltify (multiple patches, %s mode)", $quilt_mode;
quiltify($clogp,$headref,$oldtiptree,\@failsuggestion);
- runcmd @git, qw(checkout -q), (qw(master dgit-view)[!!$do_split_brain]);
+ runcmd @git, qw(checkout -q), (qw(master dgit-view)[do_split_brain()]);
if (!open P, '>>', ".pc/applied-patches") {
$!==&ENOENT or confess "$!";
}
sub build_or_push_prep_modes () {
- my ($format,) = get_source_format();
- printdebug "format $format, quilt mode $quilt_mode\n";
- if (madformat_wantfixup($format) && quiltmode_splitbrain()) {
- $do_split_brain = 1;
- }
+ determine_whether_split_brain();
+
fail __ "dgit: --include-dirty is not supported in split view quilt mode"
- if $do_split_brain && $includedirty;
+ if do_split_brain() && $includedirty;
}
sub build_prep_early () {
unlink "$buildproductsdir/$sourcechanges" or $!==ENOENT
or fail f_ "remove %s: %s", $sourcechanges, $!;
}
-# confess unless !!$made_split_brain == !!$do_split_brain;
+# confess unless !!$made_split_brain == do_split_brain();
my @cmd = (@dpkgsource, qw(-b --));
my $leafdir;
} elsif (m/^--overwrite$/s) {
push @ropts, $_;
$overwrite_version = '';
+ } elsif (m/^--split-(?:view|brain)$/s) {
+ push @ropts, $_;
+ $splitview_mode = 'always';
+ } elsif (m/^--split-(?:view|brain)=($splitview_modes_re)$/s) {
+ push @ropts, $_;
+ $splitview_mode = $1;
} elsif (m/^--overwrite=(.+)$/s) {
push @ropts, $_;
$overwrite_version = $1;
f_ "%s: warning: ignoring unknown force option %s\n",
$us, $_;
$_='';
- } elsif (m/^--dgit-tag-format=(old|new)$/s) {
- # undocumented, for testing
- push @ropts, $_;
- $tagformat_want = [ $1, 'command line', 1 ];
- # 1 menas overrides distro configuration
} elsif (m/^--config-lookup-explode=(.+)$/s) {
# undocumented, for testing
push @ropts, $_;