our (@sbuild) = qw(sbuild);
our (@ssh) = 'ssh';
our (@dgit) = qw(dgit);
+our (@git_debrebase) = qw(git-debrebase);
our (@aptget) = qw(apt-get);
our (@aptcache) = qw(apt-cache);
our (@dpkgbuildpackage) = (qw(dpkg-buildpackage), @dpkg_source_ignores);
'ssh' => \@ssh,
'dgit' => \@dgit,
'git' => \@git,
+ 'git-debrebase' => \@git_debrebase,
'apt-get' => \@aptget,
'apt-cache' => \@aptcache,
'dpkg-source' => \@dpkgsource,
our $dgit_privdir_made //= ensure_a_playground 'dgit';
}
+sub branch_gdr_info ($$) {
+ my ($symref, $head) = @_;
+ my ($status, $msg, $current, $ffq_prev, $gdrlast) =
+ gdr_ffq_prev_branchinfo($symref);
+ return () unless $status eq 'branch';
+ $ffq_prev = git_get_ref $ffq_prev;
+ $gdrlast = git_get_ref $gdrlast;
+ $gdrlast &&= is_fast_fwd $gdrlast, $head;
+ return ($ffq_prev, $gdrlast);
+}
+
+sub branch_is_gdr ($$) {
+ my ($symref, $head) = @_;
+ my ($ffq_prev, $gdrlast) = branch_gdr_info($symref, $head);
+ return 0 unless $ffq_prev || $gdrlast;
+ return 1;
+}
+
+sub branch_is_gdr_unstitched_ff ($$$) {
+ my ($symref, $head, $ancestor) = @_;
+ my ($ffq_prev, $gdrlast) = branch_gdr_info($symref, $head);
+ return 0 unless $ffq_prev;
+ return 0 unless is_fast_fwd $ancestor, $ffq_prev;
+ return 1;
+}
+
#---------- remote protocol support, common ----------
# remote push initiator/responder protocol:
}
}
-sub shell_cmd {
- my ($first_shell, @cmd) = @_;
- return qw(sh -ec), $first_shell.'; exec "$@"', 'x', @cmd;
-}
-
our $helpmsg = <<END;
main usages:
dgit [dgit-opts] clone [dgit-opts] package [suite] [./dir|/dir]
'dgit.dsc-url-proto-ok.http' => 'true',
'dgit.dsc-url-proto-ok.https' => 'true',
'dgit.dsc-url-proto-ok.git' => 'true',
+ 'dgit.vcs-git.suites', => 'sid', # ;-separated
'dgit.default.dsc-url-proto-ok' => 'false',
# old means "repo server accepts pushes with old dgit tags"
# new means "repo server accepts pushes with new dgit tags"
if ($found_same) {
# in archive, delete from .changes if it's there
$changed{$file} = "removed" if
- $changes->{$fname} =~ s/^.* \Q$file\E$(?:)\n//m;
- } elsif ($changes->{$fname} =~ m/^.* \Q$file\E$(?:)\n/m) {
+ $changes->{$fname} =~ s/\n.* \Q$file\E$(?:)$//m;
+ } elsif ($changes->{$fname} =~ m/^.* \Q$file\E$(?:)$/m) {
# not in archive, but it's here in the .changes
} else {
my $dsc_data = getfield $dsc, $fname;
- $dsc_data =~ m/^(.* \Q$file\E$)\n/m or die "$dsc_data $file ?";
+ $dsc_data =~ m/^(.* \Q$file\E$)$/m or die "$dsc_data $file ?";
my $extra = $1;
$extra =~ s/ \d+ /$&$placementinfo /
or die "$fname $extra >$dsc_data< ?"
my $want = $wantr{$rrefname};
next if $got eq $want;
if (!defined $objgot{$want}) {
+ fail <<END unless act_local();
+--dry-run specified but we actually wanted the results of git fetch,
+so this is not going to work. Try running dgit fetch first,
+or using --damp-run instead of --dry-run.
+END
print STDERR <<END;
warning: git ls-remote suggests we want $lrefname
warning: and it should refer to $want
sub fetch_from_archive_record_1 ($) {
my ($hash) = @_;
- runcmd @git, qw(update-ref -m), "dgit fetch $csuite",
- 'DGIT_ARCHIVE', $hash;
+ runcmd git_update_ref_cmd "dgit fetch $csuite", 'DGIT_ARCHIVE', $hash;
cmdoutput @git, qw(log -n2), $hash;
# ... gives git a chance to complain if our commit is malformed
}
sub fetch_from_archive_record_2 ($) {
my ($hash) = @_;
- my @upd_cmd = (@git, qw(update-ref -m), 'dgit fetch', lrref(), $hash);
+ my @upd_cmd = (git_update_ref_cmd 'dgit fetch', lrref(), $hash);
if (act_local()) {
cmdoutput @upd_cmd;
} else {
return $gai;
}
+our $gitattrs_ourmacro_re = qr{^\[attr\]dgit-defuse-attrs\s};
+
sub is_gitattrs_setup () {
+ # return values:
+ # trueish
+ # 1: gitattributes set up and should be left alone
+ # falseish
+ # 0: there is a dgit-defuse-attrs but it needs fixing
+ # undef: there is none
my $gai = open_main_gitattrs();
return 0 unless $gai;
while (<$gai>) {
- return 1 if m{^\[attr\]dgit-defuse-attrs\s};
+ next unless m{$gitattrs_ourmacro_re};
+ return 1 if m{\s-working-tree-encoding\s};
+ printdebug "is_gitattrs_setup: found old macro\n";
+ return 0;
}
$gai->error and die $!;
- return 0;
+ printdebug "is_gitattrs_setup: found nothing\n";
+ return undef;
}
sub setup_gitattrs (;$) {
my ($always) = @_;
return unless $always || access_cfg_bool(1, 'setup-gitattributes');
- if (is_gitattrs_setup()) {
+ my $already = is_gitattrs_setup();
+ if ($already) {
progress <<END;
-[attr]dgit-defuse-attrs already found in .git/info/attributes
+[attr]dgit-defuse-attrs already found, and proper, in .git/info/attributes
not doing further gitattributes setup
END
return;
}
+ my $new = "[attr]dgit-defuse-attrs $negate_harmful_gitattrs";
my $af = "$maindir_gitcommon/info/attributes";
ensuredir "$maindir_gitcommon/info";
+
open GAO, "> $af.new" or die $!;
- print GAO <<END or die $!;
+ print GAO <<END or die $! unless defined $already;
* dgit-defuse-attrs
-[attr]dgit-defuse-attrs $negate_harmful_gitattrs
+$new
# ^ see GITATTRIBUTES in dgit(7) and dgit setup-new-tree in dgit(1)
END
my $gai = open_main_gitattrs();
if ($gai) {
while (<$gai>) {
+ if (m{$gitattrs_ourmacro_re}) {
+ die unless defined $already;
+ $_ = $new;
+ }
chomp;
print GAO $_, "\n" or die $!;
}
# oh dear, found one
print STDERR <<END;
dgit: warning: $what contains .gitattributes
-dgit: .gitattributes have not been defused. Recommended: dgit setup-new-tree.
+dgit: .gitattributes not (fully) defused. Recommended: dgit setup-new-tree.
END
close $gafl;
return;
git_fetch_us();
}
fetch_from_archive() or no_such_package();
+
+ my $vcsgiturl = $dsc && $dsc->{'Vcs-Git'};
+ if (length $vcsgiturl and
+ (grep { $csuite eq $_ }
+ split /\;/,
+ cfg 'dgit.vcs-git.suites')) {
+ my $current = cfg 'remote.vcs-git.url', 'RETURN-UNDEF';
+ if (defined $current && $current ne $vcsgiturl) {
+ print STDERR <<END;
+FYI: Vcs-Git in $csuite has different url to your vcs-git remote.
+ Your vcs-git remote url may be out of date. Use dgit update-vcs-git ?
+END
+ }
+ }
printdone "fetched into ".lrref();
}
my %adds;
foreach my $l (split /\n/, $output) {
next unless $l =~ m/\S/;
- if ($l =~ m{^(?:\?\?| M) (.pc|debian/patches)}) {
+ if ($l =~ m{^(?:\?\?| [MADRC]) (.pc|debian/patches)}) {
$adds{$1}++;
}
}
# => message fragment "$saved" describing disposition of $dgitview
return "commit id $dgitview" unless defined $split_brain_save;
my @cmd = (shell_cmd 'cd "$1"; shift', $maindir,
- @git, qw(update-ref -m),
+ git_update_ref_cmd
"dgit --dgit-view-save $msg HEAD=$headref",
$split_brain_save, $dgitview);
runcmd @cmd;
: !length $overwrite_version ? " --overwrite"
: " --overwrite=".$overwrite_version;
+ # Contributing parent is the first parent - that makes
+ # git rev-list --first-parent DTRT.
my $pmf = dgit_privdir()."/pseudomerge";
open MC, ">", $pmf or die "$pmf $!";
print MC <<END or die $!;
infopair_cond_ff($i_dep14, [ $maintview, 'HEAD' ]);
1;
}) {
+ $@ =~ s/^\n//; chomp $@;
print STDERR <<END;
-$us: check failed (maybe --overwrite is needed, consult documentation)
+$@
+| Not fast forward; maybe --overwrite is needed, see dgit(1)
END
- die "$@";
+ finish -1;
}
my $r = pseudomerge_make_commit
$clogp, $head, $archive_hash, $i_arch_v,
"dgit", $m;
- runcmd @git, qw(update-ref -m), $m, 'HEAD', $r, $head;
+ runcmd git_update_ref_cmd $m, 'HEAD', $r, $head;
progress "Make pseudo-merge of $i_arch_v->[0] into your HEAD.";
return $r;
my $format = getfield $dsc, 'Format';
printdebug "format $format\n";
+ my $symref = git_get_symref();
my $actualhead = git_rev_parse('HEAD');
+
+ if (branch_is_gdr_unstitched_ff($symref, $actualhead, $archive_hash)) {
+ runcmd_ordryrun_local @git_debrebase, 'stitch';
+ $actualhead = git_rev_parse('HEAD');
+ }
+
my $dgithead = $actualhead;
my $maintviewhead = undef;
}
}
- if (defined $overwrite_version && !defined $maintviewhead) {
+ if (defined $overwrite_version && !defined $maintviewhead
+ && $archive_hash) {
$dgithead = plain_overwrite_pseudomerge($clogp,
$dgithead,
$archive_hash);
runcmd_ordryrun @git,
qw(-c push.followTags=false push), access_giturl(), @pushrefs;
- runcmd_ordryrun @git, qw(update-ref -m), 'dgit push', lrref(), $dgithead;
+ runcmd_ordryrun git_update_ref_cmd 'dgit push', lrref(), $dgithead;
supplementary_message(<<'END');
Push failed, while obtaining signatures on the .changes and .dsc.
pull();
}
+sub cmd_update_vcs_git () {
+ my $specsuite;
+ if (@ARGV==0 || $ARGV[0] =~ m/^-/) {
+ ($specsuite,) = split /\;/, cfg 'dgit.vcs-git.suites';
+ } else {
+ ($specsuite) = (@ARGV);
+ shift @ARGV;
+ }
+ my $dofetch=1;
+ if (@ARGV) {
+ if ($ARGV[0] eq '-') {
+ $dofetch = 0;
+ } elsif ($ARGV[0] eq '-') {
+ shift;
+ }
+ }
+
+ my $sourcep = parsecontrol 'debian/control', 'debian/control';
+ $package = getfield $sourcep, 'Source';
+ my $ctrl;
+ if ($specsuite eq '.') {
+ $ctrl = $sourcep;
+ } else {
+ $isuite = $specsuite;
+ get_archive_dsc();
+ $ctrl = $dsc;
+ }
+ my $url = getfield $ctrl, 'Vcs-Git';
+
+ my @cmd;
+ my $orgurl = cfg 'remote.vcs-git.url', 'RETURN-UNDEF';
+ if (!defined $orgurl) {
+ print STDERR "setting up vcs-git: $url\n";
+ @cmd = (@git, qw(remote add vcs-git), $url);
+ } elsif ($orgurl eq $url) {
+ print STDERR "vcs git already configured: $url\n";
+ } else {
+ print STDERR "changing vcs-git url to: $url\n";
+ @cmd = (@git, qw(remote set-url vcs-git), $url);
+ }
+ runcmd_ordryrun_local @cmd;
+ if ($dofetch) {
+ print "fetching (@ARGV)\n";
+ runcmd_ordryrun_local @git, qw(fetch vcs-git), @ARGV;
+ }
+}
+
sub prep_push () {
parseopts();
build_or_push_prep_early();
}
}
-sub quiltify_splitbrain ($$$$$$) {
- my ($clogp, $unapplied, $headref, $diffbits,
+sub quiltify_splitbrain ($$$$$$$) {
+ my ($clogp, $unapplied, $headref, $oldtiptree, $diffbits,
$editedignores, $cachekey) = @_;
+ my $gitignore_special = 1;
if ($quilt_mode !~ m/gbp|dpm/) {
# treat .gitignore just like any other upstream file
$diffbits = { %$diffbits };
$_ = !!$_ foreach values %$diffbits;
+ $gitignore_special = 0;
}
# We would like any commits we generate to be reproducible
my @authline = clogp_authline($clogp);
local $ENV{GIT_AUTHOR_EMAIL} = $authline[1];
local $ENV{GIT_AUTHOR_DATE} = $authline[2];
+ my $fulldiffhint = sub {
+ my ($x,$y) = @_;
+ my $cmd = "git diff $x $y -- :/ ':!debian'";
+ $cmd .= " ':!/.gitignore' ':!*/.gitignore'" if $gitignore_special;
+ return "\nFor full diff showing the problem(s), type:\n $cmd\n";
+ };
+
if ($quilt_mode =~ m/gbp|unapplied/ &&
($diffbits->{O2H} & 01)) {
my $msg =
"--quilt=$quilt_mode specified, implying patches-unapplied git tree\n".
" but git tree differs from orig in upstream files.";
+ $msg .= $fulldiffhint->($unapplied, 'HEAD');
if (!stat_exists "debian/patches") {
$msg .=
"\n ... debian/patches is missing; perhaps this is a patch queue branch?";
}
if ($quilt_mode =~ m/dpm/ &&
($diffbits->{H2A} & 01)) {
- fail <<END;
+ fail <<END. $fulldiffhint->($oldtiptree,'HEAD');
--quilt=$quilt_mode specified, implying patches-applied git tree
but git tree differs from result of applying debian/patches to upstream
END
}
if ($quilt_mode =~ m/gbp|dpm/ &&
($diffbits->{O2A} & 02)) {
- fail <<END
+ fail <<END;
--quilt=$quilt_mode specified, implying that HEAD is for use with a
tool which does not create patches for changes to upstream
.gitignores: but, such patches exist in debian/patches.
return $s;
};
if ($quilt_mode eq 'linear') {
- print STDERR "$us: quilt fixup cannot be linear. Stopped at:\n";
+ print STDERR "\n$us: error: quilt fixup cannot be linear. Stopped at:\n";
foreach my $notp (@nots) {
print STDERR "$us: ", $reportnot->($notp), "\n";
}
print STDERR "$us: $_\n" foreach @$failsuggestion;
- fail "quilt fixup naive history linearisation failed.\n".
+ fail
+ "quilt history linearisation failed. Search \`quilt fixup' in dgit(7).\n".
"Use dpkg-source --commit by hand; or, --quilt=smash for one ugly patch";
} elsif ($quilt_mode eq 'smash') {
} elsif ($quilt_mode eq 'auto') {
my $clogp = parsechangelog();
my $headref = git_rev_parse('HEAD');
+ my $symref = git_get_symref();
+
+ if ($quilt_mode eq 'linear'
+ && !$fopts->{'single-debian-patch'}
+ && branch_is_gdr($symref, $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 $?!=7*256;
+ } else {
+ dryrun_report @cmd;
+ }
+ $headref = git_rev_parse('HEAD');
+ }
prep_ud();
changedir $playground;
" --[quilt=]gbp --[quilt=]dpm --quilt=unapplied ?";
if (quiltmode_splitbrain()) {
- quiltify_splitbrain($clogp, $unapplied, $headref,
+ quiltify_splitbrain($clogp, $unapplied, $headref, $oldtiptree,
$diffbits, \%editedignores,
$splitbrain_cachekey);
return;
sub changesopts_version () {
if (!defined $changes_since_version) {
- my @vsns = archive_query('archive_query');
- my @quirk = access_quirk();
- if ($quirk[0] eq 'backports') {
- local $isuite = $quirk[2];
- local $csuite;
- canonicalise_suite();
- push @vsns, archive_query('archive_query');
+ my @vsns;
+ unless (eval {
+ @vsns = archive_query('archive_query');
+ my @quirk = access_quirk();
+ if ($quirk[0] eq 'backports') {
+ local $isuite = $quirk[2];
+ local $csuite;
+ canonicalise_suite();
+ push @vsns, archive_query('archive_query');
+ }
+ 1;
+ }) {
+ print STDERR $@;
+ fail
+ "archive query failed (queried because --since-version not specified)";
}
if (@vsns) {
@vsns = map { $_->[0] } @vsns;
sub import_dsc_result {
my ($dstref, $newhash, $what_log, $what_msg) = @_;
- my @cmd = (@git, qw(update-ref -m), $what_log, $dstref, $newhash);
+ my @cmd = (git_update_ref_cmd $what_log, $dstref, $newhash);
runcmd @cmd;
check_gitattrs($newhash, "source tree");
~ianmdlvl / dgit.git / blobdiff