X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=dgit;h=4792c5372f51c3f616c1205c05cbd9e8b0abaa42;hb=4a3ee5d932a383ee0c00703806f1e0d82fedcce0;hp=c27e94f5c9158eff05b5a3c5515a13cfa1b77971;hpb=d3e8ca277d8cd89e9156c8587f93eec1804ff0de;p=dgit.git

diff --git a/dgit b/dgit
index c27e94f5..4792c537 100755
--- a/dgit
+++ b/dgit
@@ -24,10 +24,12 @@ use Data::Dumper;
 use LWP::UserAgent;
 use Dpkg::Control::Hash;
 use File::Path;
+use File::Basename;
 use Dpkg::Version;
 use POSIX;
 
 our $isuite = 'unstable';
+our $idistro;
 our $package;
 
 our $sign = 1;
@@ -35,6 +37,7 @@ our $dryrun = 0;
 our $changesfile;
 our $new_package = 0;
 our $existing_package = 'dpkg';
+our $build_use_dpkgbuildpackage = 0;
 
 our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
 
@@ -42,8 +45,9 @@ our (@git) = qw(git);
 our (@dget) = qw(dget);
 our (@dput) = qw(dput);
 our (@debsign) = qw(debsign);
-our (@sbuild) = qw(sbuild);
+our (@sbuild) = qw(sbuild -A);
 our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git);
+our (@dpkgsource) = qw(dpkg-source -i\.git/ -I.git);
 our (@mergechanges) = qw(mergechanges -f);
 
 
@@ -51,6 +55,7 @@ our %opts_opt_map = ('dget' => \@dget,
 		     'dput' => \@dput,
 		     'debsign' => \@debsign,
                      'sbuild' => \@sbuild,
+                     'dpkg-source' => \@dpkgsource,
                      'dpkg-buildpackage' => \@dpkgbuildpackage,
                      'mergechanges' => \@mergechanges);
 
@@ -67,11 +72,15 @@ our $csuite;
 sub lbranch () { return "$branchprefix/$csuite"; }
 my $lbranch_re = '^refs/heads/'.$branchprefix.'/([^/.]+)$';
 sub lref () { return "refs/heads/".lbranch(); }
-sub lrref () { return "refs/remotes/$remotename/$csuite"; }
+sub lrref () { return "refs/remotes/$remotename/$branchprefix/$csuite"; }
 sub rrref () { return "refs/$branchprefix/$csuite"; }
-sub debiantag ($) { return "debian/$_[0]"; }
+sub debiantag ($) { 
+    my ($v) = @_;
+    $v =~ y/~:/_%/;
+    return "debian/$v";
+}
 
-sub dscfn ($) { return "${package}_${1}.dsc"; }
+sub dscfn ($) { return "${package}_$_[0].dsc"; }
 
 our $us = 'dgit';
 
@@ -99,6 +108,7 @@ sub url_get {
     my $what = $_[$#_];
     print "downloading $what...\n";
     my $r = $ua->get(@_) or die $!;
+    return undef if $r->code == 404;
     $r->is_success or fail "failed to fetch $what: ".$r->status_line;
     return $r->decoded_content();
 }
@@ -195,6 +205,10 @@ important dgit options:
   -c<name>=<value>    set git config option (used directly by dgit too)
 END
 
+our $later_warning_msg = <<END;
+Perhaps the upload is stuck in incoming.  Using the version from git.
+END
+
 sub badusage {
     print STDERR "$us: @_\n", $helpmsg or die $!;
     exit 8;
@@ -209,7 +223,7 @@ our %defcfg = ('dgit.default.distro' => 'debian',
 	       'dgit.default.username' => '',
 	       'dgit.default.archive-query-default-component' => 'main',
 	       'dgit.default.ssh' => 'ssh',
-	       'dgit-distro.debian.git-host' => 'dgit.debian.net',
+	       'dgit-distro.debian.git-host' => 'git.debian.org',
 	       'dgit-distro.debian.git-proto' => 'git+ssh://',
 	       'dgit-distro.debian.git-path' => '/git/dgit-repos',
 	       'dgit-distro.debian.git-check' => 'ssh-cmd',
@@ -246,7 +260,7 @@ sub access_distro () {
 
 sub access_cfg (@) {
     my (@keys) = @_;
-    my $distro = access_distro();
+    my $distro = $idistro || access_distro();
     my $value = cfg(map { ("dgit-distro.$distro.$_",
 			   "dgit.default.$_") } @keys);
     return $value;
@@ -276,13 +290,16 @@ sub access_giturl () {
 
 sub parsecontrolfh ($$@) {
     my ($fh, $desc, @opts) = @_;
-    my $c = Dpkg::Control::Hash->new({ 'name' => $desc, @opts });
+    my %opts = ('name' => $desc, @opts);
+    my $c = Dpkg::Control::Hash->new(%opts);
     $c->parse($fh) or die "parsing of $desc failed";
+    return $c;
 }
 
 sub parsecontrol {
     my ($file, $desc) = @_;
-    my $fh = new IO::File '<', $file or die "$file: $!";
+    my $fh = new IO::Handle;
+    open $fh, '<', $file or die "$file: $!";
     my $c = parsecontrolfh($fh,$desc);
     $fh->error and die $!;
     close $fh;
@@ -360,26 +377,27 @@ sub canonicalise_suite_sshdakls ($$) {
 
 sub madison_parse ($) {
     my ($rmad) = @_;
-    if (!length $rmad) {
-	return ();
-    }
-    $rmad =~ m{^ \s*( [^ \t|]+ )\s* \|
-                 \s*( [^ \t|]+ )\s* \|
-                 \s*( [^ \t|/]+ )(?:/([^ \t|/]+))? \s* \|
-                 \s*( [^ \t|]+ )\s* }x or die "$rmad $?";
-    $1 eq $package or die "$rmad $package ?";
-    my $vsn = $2;
-    my $newsuite = $3;
-    my $component;
-    if (defined $4) {
-	$component = $4;
-    } else {
-	$component = access_cfg('archive-query-default-component');
+    my @out;
+    foreach my $l (split /\n/, $rmad) {
+	$l =~ m{^ \s*( [^ \t|]+ )\s* \|
+                  \s*( [^ \t|]+ )\s* \|
+                  \s*( [^ \t|/]+ )(?:/([^ \t|/]+))? \s* \|
+                  \s*( [^ \t|]+ )\s* }x or die "$rmad $?";
+	$1 eq $package or die "$rmad $package ?";
+	my $vsn = $2;
+	my $newsuite = $3;
+	my $component;
+	if (defined $4) {
+	    $component = $4;
+	} else {
+	    $component = access_cfg('archive-query-default-component');
+	}
+	$5 eq 'source' or die "$rmad ?";
+	my $prefix = substr($package, 0, $package =~ m/^l/ ? 4 : 1);
+	my $subpath = "/pool/$component/$prefix/$package/${package}_$vsn.dsc";
+	push @out, [$vsn,$subpath,$newsuite];
     }
-    $5 eq 'source' or die "$rmad ?";
-    my $prefix = substr($package, 0, $package =~ m/^l/ ? 4 : 1);
-    my $subpath = "/pool/$component/$prefix/$package/${package}_$vsn.dsc";
-    return ($vsn,$subpath,$newsuite);
+    return sort { -version_compare_string($a->[0],$b->[0]); } @out;
 }
 
 sub canonicalise_suite_madison ($$) {
@@ -388,7 +406,7 @@ sub canonicalise_suite_madison ($$) {
 	"unable to canonicalise suite using package $package".
 	" which does not appear to exist in suite $isuite;".
 	" --existing-package may help";
-    return $r[2];
+    return $r[0][2];
 }
 
 sub canonicalise_suite () {
@@ -400,17 +418,24 @@ sub canonicalise_suite () {
 }
 
 sub get_archive_dsc () {
-    my ($vsn,$subpath) = archive_query('archive_query');
     canonicalise_suite();
-    if (!defined $vsn) { $dsc=undef; return undef; }
-    $dscurl = access_cfg('mirror').$subpath;
-    $dscdata = url_get($dscurl);
-    my $dscfh = new IO::File \$dscdata, '<' or die $!;
-    print DEBUG Dumper($dscdata) if $debug>1;
-    $dsc = parsecontrolfh($dscfh,$dscurl, allow_pgp=>1);
-    print DEBUG Dumper($dsc) if $debug>1;
-    my $fmt = getfield $dsc, 'Format';
-    fail "unsupported source format $fmt, sorry" unless $format_ok{$fmt};
+    my @vsns = archive_query('archive_query');
+    foreach my $vinfo (@vsns) {
+	my ($vsn,$subpath) = @$vinfo;
+	$dscurl = access_cfg('mirror').$subpath;
+	$dscdata = url_get($dscurl);
+	next unless defined $dscdata;
+	$dscurl = access_cfg('mirror').$subpath;
+	$dscdata = url_get($dscurl);
+	my $dscfh = new IO::File \$dscdata, '<' or die $!;
+	print DEBUG Dumper($dscdata) if $debug>1;
+	$dsc = parsecontrolfh($dscfh,$dscurl, allow_pgp=>1);
+	print DEBUG Dumper($dsc) if $debug>1;
+	my $fmt = getfield $dsc, 'Format';
+	fail "unsupported source format $fmt, sorry" unless $format_ok{$fmt};
+	return $dsc;
+    }
+    return undef;
 }
 
 sub check_for_git () {
@@ -435,9 +460,7 @@ sub create_remote_git_repo () {
 	runcmd_ordryrun
 	    (access_cfg('ssh'),access_gituserhost(),
 	     "set -e; cd ".access_cfg('git-path').";".
-	     " mkdir -p $package.git;".
-	     " cd $package.git;".
-	     " if ! test -d objects; then git init --bare; fi");
+	     " cp -a _template $package.git");
     } else {
 	badcfg "unknown git-create \`$how'";
     }
@@ -473,7 +496,9 @@ sub mktree_in_ud_from_only_subdir () {
 
 sub dsc_files () {
     my $field = $dsc->{'Checksums-Sha256'} || $dsc->{Files};
-    fail "missing both Checksums-Sha256 and Files in ".$dsc->get_option('name');
+    defined $field or
+	fail "missing both Checksums-Sha256 and Files in ".
+	$dsc->get_option('name');
     map {
 	m/^\w+ \d+ (\S+)$/ or
 	    fail "could not parse .dsc Files/Checksums line \`$_'";
@@ -555,9 +580,10 @@ END
             $outputhash = make_commit qw(../commit2.tmp);
 	} elsif ($vcmp > 0) {
 	    print STDERR <<END or die $!;
+
 Version actually in archive:    $cversion (older)
 Last allegedly pushed/uploaded: $oversion (newer or same)
-Perhaps the upload is stuck in incoming.  Using the version from git.
+$later_warning_msg
 END
             $outputhash = $upload_hash;
 	} elsif ($outputhash ne $upload_hash) {
@@ -632,19 +658,33 @@ sub fetch_from_archive () {
     } else {
 	die "$lrref_fn $!";
     }
-    print DEBUG "previous reference hash $upload_hash\n";
+    print DEBUG "previous reference hash=$upload_hash\n";
     my $hash;
     if (defined $dsc_hash) {
 	fail "missing git history even though dsc has hash -".
 	    " could not find commit $dsc_hash".
-	    " (should be in ".access_giturl()."#".rref().")"
+	    " (should be in ".access_giturl()."#".rrref().")"
 	    unless $upload_hash;
 	$hash = $dsc_hash;
 	ensure_we_have_orig();
+	if ($dsc_hash eq $upload_hash) {
+	} elsif (is_fast_fwd($dsc_hash,$upload_hash)) {
+	    print STDERR <<END or die $!;
+
+Git commit in archive is behind the last version allegedly pushed/uploaded.
+Commit referred to by archive:  $dsc_hash
+Last allegedly pushed/uploaded: $upload_hash
+$later_warning_msg
+END
+	    $hash = $upload_hash;
+	} else {
+	    fail "archive's .dsc refers to ".$dsc_hash.
+		" but this is an ancestor of ".$upload_hash;
+	}
     } else {
 	$hash = generate_commit_from_dsc();
     }
-    print DEBUG "current hash $hash\n";
+    print DEBUG "current hash=$hash\n";
     if ($upload_hash) {
 	fail "not fast forward on last upload branch!".
 	    " (archive's version left in DGIT_ARCHIVE)"
@@ -701,7 +741,15 @@ sub pull () {
 }
 
 sub check_not_dirty () {
-    runcmd @git, qw(diff --quiet HEAD);
+    my @cmd = (@git, qw(diff --quiet HEAD));
+    printcmd(\*DEBUG,"+",@cmd) if $debug>0;
+    $!=0; $?=0; system @cmd;
+    return if !$! && !$?;
+    if (!$! && $?==256) {
+	fail "working tree is dirty (does not match HEAD)";
+    } else {
+	failedcmd @cmd;
+    }
 }
 
 sub commit_quilty_patch ($) {
@@ -772,15 +820,16 @@ sub dopush () {
     $dsc->{$ourdscfield} = rev_parse('HEAD');
     $dsc->save("../$dscfn.tmp") or die $!;
     if (!$changesfile) {
-	my $multi = "${package}_${cversion}_multi.changes";
-	if (stat $multi) {
+	my $multi = "../${package}_${cversion}_multi.changes";
+	if (stat "$multi") {
 	    $changesfile = $multi;
 	} else {
 	    $!==&ENOENT or die "$multi: $!";
 	    my $pat = "${package}_${cversion}_*.changes";
 	    my @cs = glob "../$pat";
 	    fail "failed to find unique changes file".
-		" (looked for $pat in ..); perhaps you need to use dgit -C"
+		" (looked for $pat in .., or $multi);".
+		" perhaps you need to use dgit -C"
 		unless @cs==1;
 	    ($changesfile) = @cs;
 	}
@@ -796,6 +845,9 @@ sub dopush () {
 	print "[new .dsc left in $dscfn.tmp]\n";
     }
     if ($sign) {
+	if (!defined $keyid) {
+	    $keyid = access_cfg('keyid','RETURN-UNDEF');
+	}
 	my @tag_cmd = (@git, qw(tag -s -m),
 		       "Release $dversion for $csuite [dgit]");
 	push @tag_cmd, qw(-u),$keyid if defined $keyid;
@@ -890,11 +942,15 @@ sub cmd_push {
     } else {
 	badusage "incorrect arguments to dgit push";
     }
+    if (check_for_git()) {
+	git_fetch_us();
+    }
     if (fetch_from_archive()) {
 	is_fast_fwd(lrref(), 'HEAD') or die;
     } else {
-	fail "package appears to be new in this suite;".
-	    " if this is intentional, use --new";
+	$new_package or
+	    fail "package appears to be new in this suite;".
+	        " if this is intentional, use --new";
     }
     dopush();
 }
@@ -913,7 +969,7 @@ sub cmd_build {
 	push @cmd, "--git-debian-branch=".lbranch();
     }
     runcmd_ordryrun @cmd, @ARGV;
-    print "build successful\n";
+    printdone "build successful\n";
 }
 
 sub cmd_sbuild {
@@ -921,23 +977,40 @@ sub cmd_sbuild {
     badusage "-p is not allowed with dgit sbuild" if defined $package;
     my $clogp = parsechangelog();
     $package = getfield $clogp, 'Source';
+    my $isuite = getfield $clogp, 'Distribution';
     my $version = getfield $clogp, 'Version';
-    runcmd (@dpkgbuildpackage, qw(-us -uc -S));
-    chdir ".." or die $!;
     my $sourcechanges = "${package}_${version}_source.changes";
     my $dscfn = dscfn($version);
-    stat "../$dscfn" or fail "$dscfn (in parent directory): $!";
-    stat "../$sourcechanges" or fail "$sourcechanges (in parent directory): $!";
+    if ($build_use_dpkgbuildpackage) {
+	runcmd_ordryrun (@dpkgbuildpackage, qw(-us -uc -S));
+    } else {
+	my $pwd = cmdoutput qw(env - pwd);
+	my $leafdir = basename $pwd;
+	chdir ".." or die $!;
+	runcmd_ordryrun @dpkgsource, qw(-b --), $leafdir;
+	chdir $pwd or die $!;
+	runcmd_ordryrun qw(sh -ec),
+	    'exec >$1; shift; exec "$@"','x',
+	    $sourcechanges,
+	    qw(dpkg-genchanges -S);
+    }
+    chdir ".." or die $!;
     my $pat = "${package}_${version}_*.changes";
-    foreach my $cf (glob $pat) {
-	next if $cf eq $sourcechanges;
-	unlink $cf or fail "remove $cf: $!";
+    if (!$dryrun) {
+	stat $dscfn or fail "$dscfn (in parent directory): $!";
+	stat $sourcechanges or fail "$sourcechanges (in parent directory): $!";
+	foreach my $cf (glob $pat) {
+	    next if $cf eq $sourcechanges;
+	    unlink $cf or fail "remove $cf: $!";
+	}
     }
-    runcmd @sbuild, @ARGV, $sourcechanges;
-    runcmd @mergechanges, glob $pat;
+    runcmd_ordryrun @sbuild, @ARGV, qw(-d), $isuite, $dscfn;
+    runcmd_ordryrun @mergechanges, glob $pat;
     my $multichanges = "${package}_${version}_multi.changes";
-    stat $multichanges or fail "$multichanges: $!";
-    print "build successful, results in $multichanges\n" or die $!;
+    if (!$dryrun) {
+	stat $multichanges or fail "$multichanges: $!";
+    }
+    printdone "build successful, results in $multichanges\n" or die $!;
 }    
 
 sub cmd_quilt_fixup {
@@ -967,6 +1040,8 @@ sub parseopts () {
 		push @$om, $2;
 	    } elsif (m/^--existing-package=(.*)/s) {
 		$existing_package = $1;
+	    } elsif (m/^--distro=(.*)/s) {
+		$idistro = $1;
 	    } else {
 		badusage "unknown long option \`$_'";
 	    }
@@ -983,6 +1058,8 @@ sub parseopts () {
 		    $new_package=1;
 		} elsif (s/^-c(.*=.*)//s) {
 		    push @git, '-c', $1;
+		} elsif (s/^-d(.*)//s) {
+		    $idistro = $1;
 		} elsif (s/^-C(.*)//s) {
 		    $changesfile = $1;
 		} elsif (s/^-k(.*)//s) {