# dgit
# Integration between git and Debian-style archives
#
-# Copyright (C)2013-2015 Ian Jackson
+# Copyright (C)2013-2016 Ian Jackson
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
'dgit-distro.test-dummy.upload-host' => 'test-dummy',
);
-our %gitcfg;
+our %gitcfgs;
+our @gitcfgsources = qw(cmdline local global system);
sub git_slurp_config () {
local ($debuglevel) = $debuglevel-2;
local $/="\0";
- my @cmd = (@git, qw(config -z --get-regexp .*));
- debugcmd "|",@cmd;
-
- open GITS, "-|", @cmd or die $!;
- while (<GITS>) {
- chomp or die;
- printdebug "=> ", (messagequote $_), "\n";
- m/\n/ or die "$_ ?";
- push @{ $gitcfg{$`} }, $'; #';
+ # This algoritm is a bit subtle, but this is needed so that for
+ # options which we want to be single-valued, we allow the
+ # different config sources to override properly. See #835858.
+ foreach my $src (@gitcfgsources) {
+ next if $src eq 'cmdline';
+ # we do this ourselves since git doesn't handle it
+
+ my @cmd = (@git, qw(config -z --get-regexp), "--$src", qw(.*));
+ debugcmd "|",@cmd;
+
+ open GITS, "-|", @cmd or die $!;
+ while (<GITS>) {
+ chomp or die;
+ printdebug "=> ", (messagequote $_), "\n";
+ m/\n/ or die "$_ ?";
+ push @{ $gitcfgs{$src}{$`} }, $'; #';
+ }
+ $!=0; $?=0;
+ close GITS
+ or ($!==0 && $?==256)
+ or failedcmd @cmd;
}
- $!=0; $?=0;
- close GITS
- or ($!==0 && $?==256)
- or failedcmd @cmd;
}
sub git_get_config ($) {
my ($c) = @_;
- my $l = $gitcfg{$c};
- printdebug"C $c ".(defined $l ? messagequote "'$l'" : "undef")."\n"
- if $debuglevel >= 4;
- $l or return undef;
- @$l==1 or badcfg "multiple values for $c" if @$l > 1;
- return $l->[0];
+ foreach my $src (@gitcfgsources) {
+ my $l = $gitcfgs{$src}{$c};
+ printdebug"C $c ".(defined $l ? messagequote "'$l'" : "undef")."\n"
+ if $debuglevel >= 4;
+ $l or next;
+ @$l==1 or badcfg "multiple values for $c".
+ " (in $src git config)" if @$l > 1;
+ return $l->[0];
+ }
+ return undef;
}
sub cfg {
return ($tree,$dir);
}
+our @files_csum_info_fields =
+ (['Checksums-Sha256','Digest::SHA', 'new(256)'],
+ ['Checksums-Sha1', 'Digest::SHA', 'new(1)'],
+ ['Files', 'Digest::MD5', 'new()']);
+
sub dsc_files_info () {
- foreach my $csumi (['Checksums-Sha256','Digest::SHA', 'new(256)'],
- ['Checksums-Sha1', 'Digest::SHA', 'new(1)'],
- ['Files', 'Digest::MD5', 'new()']) {
+ foreach my $csumi (@files_csum_info_fields) {
my ($fname, $module, $method) = @$csumi;
my $field = $dsc->{$fname};
next unless defined $field;
map { $_->{Filename} } dsc_files_info();
}
+sub files_compare_inputs (@) {
+ my $inputs = \@_;
+ my %record;
+ my %fchecked;
+
+ my $showinputs = sub {
+ return join "; ", map { $_->get_option('name') } @$inputs;
+ };
+
+ foreach my $in (@$inputs) {
+ my $expected_files;
+ my $in_name = $in->get_option('name');
+
+ printdebug "files_compare_inputs $in_name\n";
+
+ foreach my $csumi (@files_csum_info_fields) {
+ my ($fname) = @$csumi;
+ printdebug "files_compare_inputs $in_name $fname\n";
+
+ my $field = $in->{$fname};
+ next unless defined $field;
+
+ my @files;
+ foreach (split /\n/, $field) {
+ next unless m/\S/;
+
+ my ($info, $f) = m/^(\w+ \d+) (?:\S+ \S+ )?(\S+)$/ or
+ fail "could not parse $in_name $fname line \`$_'";
+
+ printdebug "files_compare_inputs $in_name $fname $f\n";
+
+ push @files, $f;
+
+ my $re = \ $record{$f}{$fname};
+ if (defined $$re) {
+ $fchecked{$f}{$in_name} = 1;
+ $$re eq $info or
+ fail "hash or size of $f varies in $fname fields".
+ " (between: ".$showinputs->().")";
+ } else {
+ $$re = $info;
+ }
+ }
+ @files = sort @files;
+ $expected_files //= \@files;
+ "@$expected_files" eq "@files" or
+ fail "file list in $in_name varies between hash fields!";
+ }
+ $expected_files or
+ fail "$in_name has no files list field(s)";
+ }
+ printdebug "files_compare_inputs ".Dumper(\%fchecked, \%record)
+ if $debuglevel>=2;
+
+ grep { keys %$_ == @$inputs-1 } values %fchecked
+ or fail "no file appears in all file lists".
+ " (looked in: ".$showinputs->().")";
+}
+
sub is_orig_file_in_dsc ($$) {
my ($f, $dsc_files_info) = @_;
return 0 if @$dsc_files_info <= 1;
}
sub fetch_from_archive () {
+ ensure_setup_existing_tree();
+
# Ensures that lrref() is what is actually in the archive, one way
# or another, according to us - ie this client's
# appropritaely-updated archive view. Also returns the commit id.
$setup->('name', 'DEBFULLNAME');
}
+sub ensure_setup_existing_tree () {
+ my $k = "remote.$remotename.skipdefaultupdate";
+ my $c = git_get_config $k;
+ return if defined $c;
+ set_local_git_config $k, 'true';
+}
+
sub setup_new_tree () {
setup_mergechangelogs();
setup_useremail();
my ($tree,$dir) = mktree_in_ud_from_only_subdir();
check_for_vendor_patches() if madformat($dsc->{format});
changedir '../../../..';
- my $diffopt = $debuglevel>0 ? '--exit-code' : '--quiet';
- my @diffcmd = (@git, qw(diff), $diffopt, $tree, $dgithead);
+ my @diffcmd = (@git, qw(diff --quiet), $tree, $dgithead);
debugcmd "+",@diffcmd;
$!=0; $?=-1;
my $r = system @diffcmd;
if ($r) {
if ($r==256) {
- fail "$dscfn specifies a different tree to your HEAD commit;".
- " perhaps you forgot to build".
- ($diffopt eq '--exit-code' ? "" :
- " (run with -D to see full diff output)");
+ my $diffs = cmdoutput @git, qw(diff --stat), $tree, $dgithead;
+ fail <<END
+HEAD specifies a different tree to $dscfn:
+$diffs
+Perhaps you forgot to build. Or perhaps there is a problem with your
+ source tree (see dgit(7) for some hints). To see a full diff, run
+ git diff $tree HEAD
+END
} else {
failedcmd @diffcmd;
}
$changesfile = "$buildproductsdir/$changesfile";
}
+ # Check that changes and .dsc agree enough
+ $changesfile =~ m{[^/]*$};
+ files_compare_inputs($dsc, parsecontrol($changesfile,$&));
+
# Checks complete, we're going to try and go ahead:
responder_send_file('changes',$changesfile);
push @pushrefs, $forceflag."refs/tags/$tw->{Tag}";
}
- runcmd_ordryrun @git, qw(push),access_giturl(), @pushrefs;
+ runcmd_ordryrun @git,
+ qw(-c push.followTags=false push), access_giturl(), @pushrefs;
runcmd_ordryrun @git, qw(update-ref -m), 'dgit push', lrref(), $dgithead;
supplementary_message(<<'END');
}
if (stat $dstdir) {
rmtree($dstdir) or die "remove $dstdir: $!\n";
- } elsif (!grep { $! == $_ }
+ } elsif (grep { $! == $_ }
(ENOENT, ENOTDIR, EACCES, EPERM, ELOOP)) {
} else {
print STDERR "check whether to remove $dstdir: $!\n";
}
}
-sub quiltify_trees_differ ($$;$$) {
- my ($x,$y,$finegrained,$ignorenamesr) = @_;
+sub quiltify_trees_differ ($$;$$$) {
+ my ($x,$y,$finegrained,$ignorenamesr,$unrepres) = @_;
# returns true iff the two tree objects differ other than in debian/
# with $finegrained,
# returns bitmask 01 - differ in upstream files except .gitignore
# 02 - differ in .gitignore
# if $ignorenamesr is defined, $ingorenamesr->{$fn}
# is set for each modified .gitignore filename $fn
+ # if $unrepres is defined, array ref to which is appeneded
+ # a list of unrepresentable changes (removals of upstream files
+ # (as messages)
local $/=undef;
- my @cmd = (@git, qw(diff-tree --name-only -z));
- push @cmd, qw(-r) if $finegrained;
+ my @cmd = (@git, qw(diff-tree -z));
+ push @cmd, qw(--name-only) unless $unrepres;
+ push @cmd, qw(-r) if $finegrained || $unrepres;
push @cmd, $x, $y;
my $diffs= cmdoutput @cmd;
my $r = 0;
+ my @lmodes;
foreach my $f (split /\0/, $diffs) {
+ if ($unrepres && !@lmodes) {
+ @lmodes = $f =~ m/^\:(\w+) (\w+) \w+ \w+ / or die "$_ ?";
+ next;
+ }
+ my ($oldmode,$newmode) = @lmodes;
+ @lmodes = ();
+
next if $f =~ m#^debian(?:/.*)?$#s;
+
+ if ($unrepres) {
+ eval {
+ die "deleted\n" unless $newmode =~ m/[^0]/;
+ die "not a plain file\n" unless $newmode =~ m/^10\d{4}$/;
+ if ($oldmode =~ m/[^0]/) {
+ die "mode changed\n" if $oldmode ne $newmode;
+ } else {
+ die "non-default mode\n" unless $newmode =~ m/^100644$/;
+ }
+ };
+ if ($@) {
+ local $/="\n"; chomp $@;
+ push @$unrepres, [ $f, $@ ];
+ }
+ }
+
my $isignore = $f =~ m#^(?:.*/)?.gitignore$#s;
$r |= $isignore ? 02 : 01;
$ignorenamesr->{$f}=1 if $ignorenamesr && $isignore;
local $ENV{GIT_AUTHOR_DATE} = $authline[2];
if ($quilt_mode =~ m/gbp|unapplied/ &&
- ($diffbits->{H2O} & 01)) {
+ ($diffbits->{O2H} & 01)) {
my $msg =
"--quilt=$quilt_mode specified, implying patches-unapplied git tree\n".
" but git tree differs from orig in upstream files.";
.gitignores: but, such patches exist in debian/patches.
END
}
- if (($diffbits->{H2O} & 02) && # user has modified .gitignore
+ if (($diffbits->{O2H} & 02) && # user has modified .gitignore
!($diffbits->{O2A} & 02)) { # patches do not change .gitignore
quiltify_splitbrain_needed();
progress "dgit view: creating patch to represent .gitignore changes";
if (!defined $patchname) {
$patchname = $title;
$patchname =~ s/[.:]$//;
+ use Text::Iconv;
+ eval {
+ my $converter = new Text::Iconv qw(UTF-8 ASCII//TRANSLIT);
+ my $translitname = $converter->convert($patchname);
+ die unless defined $translitname;
+ $patchname = $translitname;
+ };
+ print STDERR
+ "dgit: patch title transliteration error: $@"
+ if $@;
$patchname =~ y/ A-Z/-a-z/;
$patchname =~ y/-a-z0-9_.+=~//cd;
$patchname =~ s/^\W/x-$&/;
ensuredir '.pc';
- runcmd qw(sh -ec),
- 'exec dpkg-source --before-build . >/dev/null';
+ my @bbcmd = (qw(sh -ec), 'exec dpkg-source --before-build . >/dev/null');
+ $!=0; $?=-1;
+ if (system @bbcmd) {
+ failedcmd @bbcmd if $? < 0;
+ fail <<END;
+failed to apply your git tree's patch stack (from debian/patches/) to
+ the corresponding upstream tarball(s). Your source tree and .orig
+ are probably too inconsistent. dgit can only fix up certain kinds of
+ anomaly (depending on the quilt mode). See --quilt= in dgit(1).
+END
+ }
changedir '..';
# be. This is mostly for error reporting.
my %editedignores;
+ my @unrepres;
my $diffbits = {
# H = user's HEAD
# O = orig, without patches applied
# A = "applied", ie orig with H's debian/patches applied
- H2O => quiltify_trees_differ($headref, $unapplied, 1,\%editedignores),
+ O2H => quiltify_trees_differ($unapplied,$headref, 1,
+ \%editedignores, \@unrepres),
H2A => quiltify_trees_differ($headref, $oldtiptree,1),
O2A => quiltify_trees_differ($unapplied,$oldtiptree,1),
};
my @dl;
foreach my $b (qw(01 02)) {
- foreach my $v (qw(H2O O2A H2A)) {
+ foreach my $v (qw(O2H O2A H2A)) {
push @dl, ($diffbits->{$v} & $b) ? '##' : '==';
}
}
printdebug "differences \@dl @dl.\n";
progress sprintf
+"$us: base trees orig=%.20s o+d/p=%.20s",
+ $unapplied, $oldtiptree;
+ progress sprintf
"$us: quilt differences: src: %s orig %s gitignores: %s orig %s\n".
"$us: quilt differences: HEAD %s o+d/p HEAD %s o+d/p",
$dl[0], $dl[1], $dl[3], $dl[4],
$dl[2], $dl[5];
+ if (@unrepres) {
+ print STDERR "dgit: cannot represent change: $_->[1]: $_->[0]\n"
+ foreach @unrepres;
+ fail <<END;
+HEAD has changes to .orig[s] which are not representable by `3.0 (quilt)'
+END
+ }
+
my @failsuggestion;
- if (!($diffbits->{H2O} & $diffbits->{O2A})) {
+ if (!($diffbits->{O2H} & $diffbits->{O2A})) {
push @failsuggestion, "This might be a patches-unapplied branch.";
} elsif (!($diffbits->{H2A} & $diffbits->{O2A})) {
push @failsuggestion, "This might be a patches-applied branch.";
printdone "build successful\n";
}
+sub pre_gbp_build {
+ $quilt_mode //= 'gbp';
+}
+
sub cmd_gbp_build {
my @dbp = @dpkgbuildpackage;
defvalopt '--clean', '', $cleanmode_re, \$cleanmode;
defvalopt '--quilt', '', $quilt_modes_re, \$quilt_mode;
-defvalopt '', '-c', '.*=.*', sub { push @git, '-c', @_; };
-
defvalopt '', '-C', '.+', sub {
($changesfile) = (@_);
if ($changesfile =~ s#^(.*)/##) {
} elsif (s/^-wc$//s) {
push @ropts, $&;
$cleanmode = 'check';
+ } elsif (s/^-c([^=]*)\=(.*)$//s) {
+ push @git, '-c', $&;
+ $gitcfgs{cmdline}{$1} = [ $2 ];
+ } elsif (s/^-c([^=]+)$//s) {
+ push @git, '-c', $&;
+ $gitcfgs{cmdline}{$1} = [ 'true' ];
} elsif (m/^-[a-zA-Z]/ && ($oi = $valopts_short{$&})) {
$val = $'; #';
$val = undef unless length $val;
}
foreach my $c (access_cfg_cfgs("opts-$k")) {
- my $vl = $gitcfg{$c};
- printdebug "CL $c ",
- ($vl ? join " ", map { shellquote } @$vl : ""),
+ my @vl =
+ map { $_ ? @$_ : () }
+ map { $gitcfgs{$_}{$c} }
+ reverse @gitcfgsources;
+ printdebug "CL $c ", (join " ", map { shellquote } @vl),
"\n" if $debuglevel >= 4;
- next unless $vl;
+ next unless @vl;
badcfg "cannot configure options for $k"
if $opts_opt_cmdonly{$k};
my $insertpos = $opts_cfg_insertpos{$k};
@$om = ( @$om[0..$insertpos-1],
- @$vl,
+ @vl,
@$om[$insertpos..$#$om] );
}
}
my $cmd = shift @ARGV;
$cmd =~ y/-/_/;
+my $pre_fn = ${*::}{"pre_$cmd"};
+$pre_fn->() if $pre_fn;
+
if (!defined $rmchanges) {
local $access_forpush;
$rmchanges = access_cfg_bool(0, 'rm-old-changes');
~ianmdlvl / dgit.git / blobdiff