X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=dgit;h=b695905c42abde38578b1b4f44fe97620cea85da;hb=3b0766cf7fd581dde3fb31b9264045fa201db77a;hp=fa926dd0096d4db23a4a5af959030f6f4ccef7f2;hpb=31bab49c4f673e84a1dd88ad055a134543af654b;p=dgit.git diff --git a/dgit b/dgit index fa926dd0..b695905c 100755 --- a/dgit +++ b/dgit @@ -600,36 +600,49 @@ our %defcfg = ('dgit.default.distro' => 'debian', '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 () { - 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 () { + 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 { @@ -3734,22 +3747,51 @@ END } } -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; @@ -3793,7 +3835,7 @@ sub quiltify_splitbrain ($$$$$$) { local $ENV{GIT_AUTHOR_DATE} = $authline[2]; if ($quilt_mode =~ m/gbp|unapplied/ && - ($diffbits->{H2O} & 01)) { + ($diffbits->{O2H} & 01)) { my $msg = "--quilt=$quilt_mode specified, implying patches-unapplied git tree\n". " but git tree differs from orig in upstream files."; @@ -3827,7 +3869,7 @@ END .gitignores: but, such patches exist in debian/patches. END } - if (($diffbits->{H2O} & 02) && # user has modified .gitignore + if (($diffbits->{O2H} & 02) && # user has modified .gitignore !($diffbits->{O2A} & 02)) { # patches do not change .gitignore quiltify_splitbrain_needed(); progress "dgit view: creating patch to represent .gitignore changes"; @@ -4456,8 +4498,17 @@ sub quilt_fixup_multipatch ($$$) { 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 $? < 0; + fail < quiltify_trees_differ($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 <{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."; @@ -4971,8 +5035,6 @@ defvalopt '--build-products-dir','','.*', \$buildproductsdir; defvalopt '--clean', '', $cleanmode_re, \$cleanmode; defvalopt '--quilt', '', $quilt_modes_re, \$quilt_mode; -defvalopt '', '-c', '.*=.*', sub { push @git, '-c', @_; }; - defvalopt '', '-C', '.+', sub { ($changesfile) = (@_); if ($changesfile =~ s#^(.*)/##) { @@ -5123,6 +5185,12 @@ sub parseopts () { } elsif (s/^-wc$//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; @@ -5148,16 +5216,18 @@ sub finalise_opts_opts () { } 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] ); } }