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-rwxr-xr-xdgit177
1 files changed, 177 insertions, 0 deletions
diff --git a/dgit b/dgit
index 41b7ac8..38416c7 100755
--- a/dgit
+++ b/dgit
@@ -37,6 +37,7 @@ use Digest::MD5;
use List::Util qw(any);
use List::MoreUtils qw(pairwise);
use Text::Glob qw(match_glob);
+use Fcntl qw(:DEFAULT :flock);
use Carp;
use Debian::Dgit;
@@ -103,6 +104,8 @@ our (@gpg) = qw(gpg);
our (@sbuild) = qw(sbuild);
our (@ssh) = 'ssh';
our (@dgit) = qw(dgit);
+our (@aptget) = qw(apt-get);
+our (@aptcache) = qw(apt-cache);
our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git);
our (@dpkgsource) = qw(dpkg-source -i\.git/ -I.git);
our (@dpkggenchanges) = qw(dpkg-genchanges);
@@ -120,6 +123,8 @@ our %opts_opt_map = ('dget' => \@dget, # accept for compatibility
'ssh' => \@ssh,
'dgit' => \@dgit,
'git' => \@git,
+ 'apt-get' => \@aptget,
+ 'apt-cache' => \@aptcache,
'dpkg-source' => \@dpkgsource,
'dpkg-buildpackage' => \@dpkgbuildpackage,
'dpkg-genchanges' => \@dpkggenchanges,
@@ -1016,6 +1021,17 @@ sub pool_dsc_subpath ($$) {
return "/pool/$component/$prefix/$package/".dscfn($vsn);
}
+sub cfg_apply_map ($$$) {
+ my ($varref, $what, $mapspec) = @_;
+ return unless $mapspec;
+
+ printdebug "config $what EVAL{ $mapspec; }\n";
+ $_ = $$varref;
+ eval "package Dgit::Config; $mapspec;";
+ die $@ if $@;
+ $$varref = $_;
+}
+
#---------- `ftpmasterapi' archive query method (nascent) ----------
sub archive_api_query_cmd ($) {
@@ -1128,6 +1144,167 @@ sub file_in_archive_ftpmasterapi {
my $info = api_query($data, "file_in_archive/$pat", 1);
}
+#---------- `aptget' archive query method ----------
+
+our $aptget_base;
+our $aptget_releasefile;
+our $aptget_configpath;
+
+sub aptget_aptget () { return @aptget, qw(-c), $aptget_configpath; }
+sub aptget_aptcache () { return @aptcache, qw(-c), $aptget_configpath; }
+
+sub aptget_cache_clean {
+ runcmd_ordryrun_local qw(sh -ec),
+ 'cd "$1"; pwd; find -atime +30 -type f -print0 | xargs -0r echo rm --',
+ 'x', $aptget_base;
+}
+
+sub aptget_lock_acquire () {
+ my $lockfile = "$aptget_base/lock";
+ open APTGET_LOCK, '>', $lockfile or die "open $lockfile: $!";
+ flock APTGET_LOCK, LOCK_EX or die "lock $lockfile: $!";
+}
+
+sub aptget_prep ($) {
+ my ($data) = @_;
+ return if defined $aptget_base;
+
+ badcfg "aptget archive query method takes no data part"
+ if length $data;
+
+ my $cache = $ENV{XDG_CACHE_DIR} // "$ENV{HOME}/.cache";
+
+ ensuredir $cache;
+ ensuredir "$cache/dgit";
+ my $cachekey =
+ access_cfg('aptget-cachekey','RETURN-UNDEF')
+ // access_nomdistro();
+
+ $aptget_base = "$cache/dgit/aptget";
+ ensuredir $aptget_base;
+
+ my $quoted_base = $aptget_base;
+ die "$quoted_base contains bad chars, cannot continue"
+ if $quoted_base =~ m/["\\]/; # apt.conf(5) says no escaping :-/
+
+ ensuredir $aptget_base;
+
+ aptget_lock_acquire();
+
+ aptget_cache_clean();
+
+ $aptget_configpath = "$aptget_base/apt.conf#$cachekey";
+ my $sourceslist = "source.list#$cachekey";
+
+ my $aptsuites = $isuite;
+ cfg_apply_map(\$aptsuites, 'suite map',
+ access_cfg('aptget-suite-map', 'RETURN-UNDEF'));
+
+ open SRCS, ">", "$aptget_base/$sourceslist" or die $!;
+ printf SRCS "deb-src %s %s %s\n",
+ access_cfg('mirror'),
+ $aptsuites,
+ access_cfg('aptget-components')
+ or die $!;
+
+ ensuredir "$aptget_base/cache";
+ ensuredir "$aptget_base/lists";
+
+ open CONF, ">", $aptget_configpath or die $!;
+ print CONF <<END;
+Debug::NoLocking "true";
+APT::Get::List-Cleanup "false";
+#clear APT::Update::Post-Invoke-Success;
+Dir::Etc::SourceList "$quoted_base/$sourceslist";
+Dir::State::Lists "$quoted_base/lists";
+Dir::Etc::preferences "$quoted_base/preferences";
+Dir::Cache::srcpkgcache "$quoted_base/cache/srcs#$cachekey";
+Dir::Cache::pkgcache "$quoted_base/cache/pkgs#$cachekey";
+END
+
+ foreach my $key (qw(
+ Dir::Cache
+ Dir::State
+ Dir::Cache::Archives
+ Dir::Etc::SourceParts
+ Dir::Etc::preferencesparts
+ )) {
+ ensuredir "$aptget_base/$key";
+ print CONF "$key \"$quoted_base/$key\";\n" or die $!;
+ };
+
+ my $oldatime = (time // die $!) - 1;
+ foreach my $oldlist (<$aptget_base/lists/*Release>) {
+ next unless stat_exists $oldlist;
+ my ($mtime) = (stat _)[9];
+ utime $oldatime, $mtime, $oldlist or die "$oldlist $!";
+ }
+
+ runcmd_ordryrun_local aptget_aptget(), qw(update);
+
+ my @releasefiles;
+ foreach my $oldlist (<$aptget_base/lists/*Release>) {
+ next unless stat_exists $oldlist;
+ my ($atime) = (stat _)[8];
+ next if $atime == $oldatime;
+ push @releasefiles, $oldlist;
+ }
+ my @inreleasefiles = grep { m#/InRelease$# } @releasefiles;
+ @releasefiles = @inreleasefiles if @inreleasefiles;
+ die "apt updated wrong number of Release files (@releasefiles), erk"
+ unless @releasefiles == 1;
+
+ ($aptget_releasefile) = @releasefiles;
+}
+
+sub canonicalise_suite_aptget {
+ my ($proto,$data) = @_;
+ aptget_prep($data);
+
+ my $release = parsecontrol $aptget_releasefile, "Release file", 1;
+
+ foreach my $name (qw(Codename Suite)) {
+ my $val = $release->{$name};
+ if (defined $val) {
+ $val =~ m/^$suite_re$/o or fail
+ "Release file ($aptget_releasefile) specifies intolerable $name";
+ cfg_apply_map(\$val, 'suite rmap',
+ access_cfg('aptget-suite-rmap', 'RETURN-UNDEF'));
+ return $val
+ }
+ }
+ return $isuite;
+}
+
+sub archive_query_aptget {
+ my ($proto,$data) = @_;
+ aptget_prep($data);
+
+ ensuredir "$aptget_base/source";
+ foreach my $old (<$aptget_base/source/*.dsc>) {
+ unlink $old or die "$old: $!";
+ }
+
+ my $showsrc = cmdoutput aptget_aptcache(), qw(showsrc), $package;
+ return () unless $showsrc =~ m/^package:\s*\Q$package\E\s*$/mi;
+ # avoids apt-get source failing with ambiguous error code
+
+ runcmd_ordryrun_local
+ shell_cmd 'cd "$1"/source; shift', $aptget_base,
+ aptget_aptget(), qw(--download-only --only-source source), $package;
+
+ my @dscs = <$aptget_base/source/*.dsc>;
+ fail "apt-get source did not produce a .dsc" unless @dscs;
+ fail "apt-get source produced several .dscs (@dscs)" unless @dscs==1;
+
+ my $pre_dsc = parsecontrol $dscs[0], $dscs[0], 1;
+
+ use URI::Escape;
+ my $uri = "file://". uri_escape $dscs[0];
+ $uri =~ s{\%2f}{/}gi;
+ return [ (getfield $pre_dsc, 'Version'), $uri ];
+}
+
#---------- `dummyapicat' archive query method ----------
sub archive_query_dummycatapi { archive_query_ftpmasterapi @_; }