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-rw-r--r--MANIFEST4
-rw-r--r--lib/PublicInbox/Admin.pm44
-rw-r--r--lib/PublicInbox/Import.pm3
-rw-r--r--lib/PublicInbox/V2Writable.pm16
-rwxr-xr-xscript/public-inbox-index32
-rwxr-xr-xscript/public-inbox-purge111
-rw-r--r--t/admin.t81
-rw-r--r--t/purge.t97
-rw-r--r--t/v2writable.t3
9 files changed, 357 insertions, 34 deletions
diff --git a/MANIFEST b/MANIFEST
index e6272066..c4a9349f 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -55,6 +55,7 @@ examples/unsubscribe.milter
 examples/unsubscribe.psgi
 examples/varnish-4.vcl
 lib/PublicInbox/Address.pm
+lib/PublicInbox/Admin.pm
 lib/PublicInbox/AltId.pm
 lib/PublicInbox/Config.pm
 lib/PublicInbox/ContentId.pm
@@ -137,6 +138,7 @@ script/public-inbox-init
 script/public-inbox-learn
 script/public-inbox-mda
 script/public-inbox-nntpd
+script/public-inbox-purge
 script/public-inbox-watch
 script/public-inbox.cgi
 scripts/dc-dlvr
@@ -151,6 +153,7 @@ scripts/slrnspool2maildir
 scripts/ssoma-replay
 scripts/xhdr-num2mid
 t/address.t
+t/admin.t
 t/altid.t
 t/altid_v2.t
 t/cgi.t
@@ -208,6 +211,7 @@ t/psgi_multipart_not.t
 t/psgi_search.t
 t/psgi_text.t
 t/psgi_v2.t
+t/purge.t
 t/qspawn.t
 t/reply.t
 t/search-thr-index.t
diff --git a/lib/PublicInbox/Admin.pm b/lib/PublicInbox/Admin.pm
new file mode 100644
index 00000000..d0a8dd00
--- /dev/null
+++ b/lib/PublicInbox/Admin.pm
@@ -0,0 +1,44 @@
+# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# common stuff for administrative command-line tools
+# Unstable internal API
+package PublicInbox::Admin;
+use strict;
+use warnings;
+use Cwd 'abs_path';
+use base qw(Exporter);
+our @EXPORT_OK = qw(resolve_repo_dir);
+
+sub resolve_repo_dir {
+        my ($cd, $ver) = @_;
+        my $prefix = defined $cd ? $cd : './';
+        if (-d $prefix && -f "$prefix/inbox.lock") { # v2
+                $$ver = 2 if $ver;
+                return abs_path($prefix);
+        }
+
+        my @cmd = qw(git rev-parse --git-dir);
+        my $cmd = join(' ', @cmd);
+        my $pid = open my $fh, '-|';
+        defined $pid or die "forking $cmd failed: $!\n";
+        if ($pid == 0) {
+                if (defined $cd) {
+                        chdir $cd or die "chdir $cd failed: $!\n";
+                }
+                exec @cmd;
+                die "Failed to exec $cmd: $!\n";
+        } else {
+                my $dir = eval {
+                        local $/;
+                        <$fh>;
+                };
+                close $fh or die "error in $cmd: $!\n";
+                chomp $dir;
+                $$ver = 1 if $ver;
+                return abs_path($cd) if ($dir eq '.' && defined $cd);
+                abs_path($dir);
+        }
+}
+
+1;
diff --git a/lib/PublicInbox/Import.pm b/lib/PublicInbox/Import.pm
index fd4255cf..7e596abc 100644
--- a/lib/PublicInbox/Import.pm
+++ b/lib/PublicInbox/Import.pm
@@ -495,7 +495,7 @@ sub purge_oids {
         my $old = $self->{'ref'};
         my $git = $self->{git};
         my @export = (qw(fast-export --no-data --use-done-feature), $old);
-        my ($rd, $pid) = $git->popen(@export);
+        my $rd = $git->popen(@export);
         my ($r, $w) = $self->gfi_start;
         my @buf;
         my $npurge = 0;
@@ -550,6 +550,7 @@ sub purge_oids {
                         push @buf, $_;
                 }
         }
+        close $rd or die "close fast-export failed: $?";
         if (@buf) {
                 $w->print(@buf) or wfail;
         }
diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 222df5c2..1f17fe21 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -285,10 +285,19 @@ sub purge_oids {
         $self->done;
         my $pfx = "$self->{-inbox}->{mainrepo}/git";
         my $purges = [];
-        foreach my $i (0..$self->{epoch_max}) {
-                my $git = PublicInbox::Git->new("$pfx/$i.git");
+        my $max = $self->{epoch_max};
+
+        unless (defined($max)) {
+                defined(my $latest = git_dir_latest($self, \$max)) or return;
+                $self->{epoch_max} = $max;
+        }
+        foreach my $i (0..$max) {
+                my $git_dir = "$pfx/$i.git";
+                -d $git_dir or next;
+                my $git = PublicInbox::Git->new($git_dir);
                 my $im = $self->import_init($git, 0, 1);
                 $purges->[$i] = $im->purge_oids($purge);
+                $im->done;
         }
         $purges;
 }
@@ -390,7 +399,7 @@ sub purge {
         my ($self, $mime) = @_;
         my $purges = $self->{-inbox}->with_umask(sub {
                 remove_internal($self, $mime, undef, {});
-        });
+        }) or return;
         $self->idx_init if @$purges; # ->done is called on purges
         for my $i (0..$#$purges) {
                 defined(my $cmt = $purges->[$i]) or next;
@@ -497,6 +506,7 @@ sub done {
         delete $self->{bnote};
         $self->{transact_bytes} = 0;
         $self->lock_release if $parts;
+        $self->{-inbox}->git->cleanup;
 }
 
 sub git_init {
diff --git a/script/public-inbox-index b/script/public-inbox-index
index 2ae92757..5adb6e74 100755
--- a/script/public-inbox-index
+++ b/script/public-inbox-index
@@ -9,9 +9,10 @@
 use strict;
 use warnings;
 use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
-use Cwd 'abs_path';
 my $usage = "public-inbox-index REPO_DIR";
 use PublicInbox::Config;
+use PublicInbox::Admin qw(resolve_repo_dir);
+
 my $config = eval { PublicInbox::Config->new } || eval {
         warn "public-inbox unconfigured for serving, indexing anyways...\n";
         undef;
@@ -35,35 +36,6 @@ die "--jobs must be positive\n" if defined $jobs && $jobs < 0;
 
 my @dirs;
 
-sub resolve_repo_dir {
-        my ($cd) = @_;
-        my $prefix = defined $cd ? $cd : './';
-        if (-d $prefix && -f "$prefix/inbox.lock") { # v2
-                return abs_path($prefix);
-        }
-
-        my @cmd = qw(git rev-parse --git-dir);
-        my $cmd = join(' ', @cmd);
-        my $pid = open my $fh, '-|';
-        defined $pid or die "forking $cmd failed: $!\n";
-        if ($pid == 0) {
-                if (defined $cd) {
-                        chdir $cd or die "chdir $cd failed: $!\n";
-                }
-                exec @cmd;
-                die "Failed to exec $cmd: $!\n";
-        } else {
-                my $dir = eval {
-                        local $/;
-                        <$fh>;
-                };
-                close $fh or die "error in $cmd: $!\n";
-                chomp $dir;
-                return abs_path($cd) if ($dir eq '.' && defined $cd);
-                abs_path($dir);
-        }
-}
-
 if (@ARGV) {
         @dirs = map { resolve_repo_dir($_) } @ARGV;
 } else {
diff --git a/script/public-inbox-purge b/script/public-inbox-purge
new file mode 100755
index 00000000..688dd950
--- /dev/null
+++ b/script/public-inbox-purge
@@ -0,0 +1,111 @@
+#!/usr/bin/perl -w
+# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+#
+# Used for purging messages entirely from a public-inbox.  Currently
+# supports v2 inboxes only, for now.
+use strict;
+use warnings;
+use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
+use PublicInbox::Config;
+use PublicInbox::MIME;
+use PublicInbox::Admin qw(resolve_repo_dir);
+use PublicInbox::Filter::Base;
+*REJECT = *PublicInbox::Filter::Base::REJECT;
+
+my $usage = "$0 [--all] [INBOX_DIRS] </path/to/message";
+
+eval { require PublicInbox::V2Writable } or die
+        "DBI, DBD::SQLite and Search::Xapian required for purge\n";
+my $config = eval { PublicInbox::Config->new };
+my $cfgfile = PublicInbox::Config::default_file();
+my ($all, $force);
+my $verbose = 1;
+my %opts = (
+        'all' => \$all,
+        'force|f' => \$force,
+        'verbose|v!' => \$verbose,
+);
+GetOptions(%opts) or die "bad command-line args\n", $usage, "\n";
+
+# TODO: clean this up and share code with -index via ::Admin
+my %dir2ibx; # ( path => Inbox object )
+my @inboxes;
+$config and $config->each_inbox(sub {
+        my ($ibx) = @_;
+        push @inboxes, $ibx if $all && $ibx->{version} != 1;
+        $dir2ibx{$ibx->{mainrepo}} = $ibx;
+});
+
+if ($all) {
+        $config or die "--all specified, but $cfgfile not readable\n";
+        @ARGV and die "--all specified, but directories specified\n";
+} else {
+        my @err;
+        my @dirs = scalar(@ARGV) ? @ARGV : ('.');
+        my $u = 0;
+
+        foreach my $dir (@dirs) {
+                my $v;
+                my $dir = resolve_repo_dir($dir, \$v);
+                if ($v == 1) {
+                        push @err, $dir;
+                        next;
+                }
+                my $ibx = $dir2ibx{$dir} ||= do {
+                        warn "$dir not configured in $cfgfile\n";
+                        $u++;
+                        my $name = "unconfigured-$u";
+                        PublicInbox::Inbox->new({
+                                version => 2,
+                                name => $name,
+                                -primary_address => "$name\@example.com",
+                                mainrepo => $dir,
+                        });
+                };
+                push @inboxes, $ibx;
+        }
+
+        if (@err) {
+                die "v1 inboxes currently not supported by -purge\n\t",
+                    join("\n\t", @err), "\n";
+        }
+}
+
+my $data = do { local $/; scalar <STDIN> };
+$data =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
+my $n_purged = 0;
+
+foreach my $ibx (@inboxes) {
+        my $mime = PublicInbox::MIME->new($data);
+        my $v2w = PublicInbox::V2Writable->new($ibx, 0);
+
+        my $commits = $v2w->purge($mime) || [];
+
+        if (my $scrub = $ibx->filter($v2w)) {
+                my $scrubbed = $scrub->scrub($mime, 1);
+
+                if ($scrubbed && $scrubbed != REJECT()) {
+                        my $scrub_commits = $v2w->purge($scrubbed);
+                        push @$commits, @$scrub_commits if $scrub_commits;
+                }
+        }
+
+        $v2w->done;
+
+        if ($verbose) { # should we consider this machine-parseable?
+                print "$ibx->{mainrepo}:";
+                if (scalar @$commits) {
+                        print join("\n\t", '', @$commits), "\n";
+                } else {
+                        print " NONE\n";
+                }
+        }
+        $n_purged += scalar @$commits;
+}
+
+# behave like "rm -f"
+exit(0) if ($force || $n_purged);
+
+warn "Not found\n" if $verbose;
+exit(1);
diff --git a/t/admin.t b/t/admin.t
new file mode 100644
index 00000000..cc1e65d1
--- /dev/null
+++ b/t/admin.t
@@ -0,0 +1,81 @@
+# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict;
+use warnings;
+use Test::More;
+use File::Temp qw(tempdir);
+# use Cwd qw(getcwd);
+use_ok 'PublicInbox::Admin', qw(resolve_repo_dir);
+my $tmpdir = tempdir('pi-admin.XXXXXX', TMPDIR => 1, CLEANUP => 1);
+my $git_dir = "$tmpdir/v1";
+my $v2_dir = "$tmpdir/v2";
+my ($res, $err, $v);
+
+is(0, system(qw(git init -q --bare), $git_dir), 'git init v1');
+
+# v1
+is(resolve_repo_dir($git_dir), $git_dir, 'top-level GIT_DIR resolved');
+is(resolve_repo_dir("$git_dir/objects"), $git_dir, 'GIT_DIR/objects resolved');
+
+ok(chdir($git_dir), 'chdir GIT_DIR works');
+is(resolve_repo_dir(), $git_dir, 'resolve_repo_dir works in GIT_DIR');
+
+ok(chdir("$git_dir/objects"), 'chdir GIT_DIR/objects works');
+is(resolve_repo_dir(), $git_dir, 'resolve_repo_dir works in GIT_DIR');
+$res = resolve_repo_dir(undef, \$v);
+is($v, 1, 'version 1 detected');
+is($res, $git_dir, 'detects directory along with version');
+
+# $tmpdir could be inside a git working, directory, so we test '/'
+SKIP: {
+        my $no_vcs_dir = '/';
+        # do people version-control "/"?
+        skip "$no_vcs_dir is version controlled by git", 4 if -d '/.git';
+        open my $null, '>', '/dev/null' or die "open /dev/null: $!";
+        open my $olderr, '>&', \*STDERR or die "dup stderr: $!";
+
+        ok(chdir($no_vcs_dir), 'chdir to a non-inbox');
+        open STDERR, '>&', $null or die "redirect stderr to /dev/null: $!";
+        $res = eval { resolve_repo_dir() };
+        open STDERR, '>&', $olderr or die "restore stderr: $!";
+        is($res, undef, 'fails inside non-version-controlled dir');
+
+        ok(chdir($tmpdir), 'back to test-specific $tmpdir');
+        open STDERR, '>&', $null or die "redirect stderr to /dev/null: $!";
+        $res = eval { resolve_repo_dir($no_vcs_dir) };
+        $err = $@;
+        open STDERR, '>&', $olderr or die "restore stderr: $!";
+        is($res, undef, 'fails on non-version-controlled dir');
+        ok($err, '$@ set on failure');
+}
+
+# v2
+SKIP: {
+        for my $m (qw(DBD::SQLite Search::Xapian)) {
+                skip "$m missing", 5 unless eval "require $m";
+        }
+        use_ok 'PublicInbox::V2Writable';
+        use_ok 'PublicInbox::Inbox';
+        my $ibx = PublicInbox::Inbox->new({
+                        mainrepo => $v2_dir,
+                        name => 'test-v2writable',
+                        version => 2,
+                        -primary_address => 'test@example.com',
+                        indexlevel => 'basic',
+                });
+        PublicInbox::V2Writable->new($ibx, 1)->idx_init;
+
+        ok(-e "$v2_dir/inbox.lock", 'exists');
+        is(resolve_repo_dir($v2_dir), $v2_dir,
+                'resolve_repo_dir works on v2_dir');
+        ok(chdir($v2_dir), 'chdir v2_dir OK');
+        is(resolve_repo_dir(), $v2_dir, 'resolve_repo_dir works inside v2_dir');
+        $res = resolve_repo_dir(undef, \$v);
+        is($v, 2, 'version 2 detected');
+        is($res, $v2_dir, 'detects directory along with version');
+
+        # TODO: should work from inside Xapian dirs, and git dirs, here...
+}
+
+chdir '/';
+done_testing();
diff --git a/t/purge.t b/t/purge.t
new file mode 100644
index 00000000..94060055
--- /dev/null
+++ b/t/purge.t
@@ -0,0 +1,97 @@
+# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict;
+use warnings;
+use Test::More;
+use File::Temp qw/tempdir/;
+require './t/common.perl';
+require_git(2.6);
+my @mods = qw(IPC::Run DBI DBD::SQLite Search::Xapian);
+foreach my $mod (@mods) {
+        eval "require $mod";
+        plan skip_all => "missing $_ for t/purge.t" if $@;
+};
+use Cwd qw(abs_path);
+my $purge = abs_path('blib/script/public-inbox-purge');
+my $tmpdir = tempdir('pi-purge-XXXXXX', TMPDIR => 1, CLEANUP => 1);
+use_ok 'PublicInbox::V2Writable';
+my $mainrepo = "$tmpdir/v2";
+my $ibx = PublicInbox::Inbox->new({
+        mainrepo => $mainrepo,
+        name => 'test-v2purge',
+        version => 2,
+        -primary_address => 'test@example.com',
+        indexlevel => 'basic',
+});
+
+my $raw = <<'EOF';
+From: a@example.com
+To: test@example.com
+Subject: this is a subject
+Message-ID: <a-mid@b>
+Date: Fri, 02 Oct 1993 00:00:00 +0000
+
+Hello World
+
+EOF
+
+local $ENV{NPROC} = '1';
+my $cfgfile = "$tmpdir/config";
+local $ENV{PI_CONFIG} = $cfgfile;
+open my $cfg_fh, '>', $cfgfile or die "open: $!";
+
+my $v2w = PublicInbox::V2Writable->new($ibx, 1);
+my $mime = PublicInbox::MIME->new($raw);
+ok($v2w->add($mime), 'add message to be purged');
+$v2w->done;
+
+# failing cases, first:
+my $in = "$raw\nMOAR\n";
+my ($out, $err) = ('', '');
+ok(IPC::Run::run([$purge, '-f', $mainrepo], \$in, \$out, \$err),
+        'purge -f OK');
+
+$out = $err = '';
+ok(!IPC::Run::run([$purge, $mainrepo], \$in, \$out, \$err),
+        'mismatch fails without -f');
+is($? >> 8, 1, 'missed purge exits with 1');
+
+# a successful case:
+ok(IPC::Run::run([$purge, $mainrepo], \$raw, \$out, \$err), 'match OK');
+like($out, qr/^\t[a-f0-9]{40,}/m, 'removed commit noted');
+
+# add (old) vger filter to config file
+print $cfg_fh <<EOF or die "print $!";
+[publicinbox "test-v2purge"]
+        mainrepo = $mainrepo
+        address = test\@example.com
+        indexlevel = basic
+        filter = PublicInbox::Filter::Vger
+EOF
+close $cfg_fh or die "close: $!";
+
+ok($v2w->add($mime), 'add vger-signatured message to be purged');
+$v2w->done;
+
+my $pre_scrub = $raw . <<'EOF';
+
+--
+To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
+the body of a message to majordomo@vger.kernel.org
+More majordomo info at  http://vger.kernel.org/majordomo-info.html
+Please read the FAQ at  http://www.tux.org/lkml/
+EOF
+
+$out = $err = '';
+ok(chdir('/'), "chdir / OK for --all test");
+ok(IPC::Run::run([$purge, '--all'], \$pre_scrub, \$out, \$err),
+        'scrub purge OK');
+like($out, qr/^\t[a-f0-9]{40,}/m, 'removed commit noted');
+# diag "out: $out"; diag "err: $err";
+
+$out = $err = '';
+ok(!IPC::Run::run([$purge, '--all' ], \$pre_scrub, \$out, \$err),
+        'scrub purge not idempotent without -f');
+# diag "out: $out"; diag "err: $err";
+
+done_testing();
diff --git a/t/v2writable.t b/t/v2writable.t
index ec9f56d9..f1714175 100644
--- a/t/v2writable.t
+++ b/t/v2writable.t
@@ -247,6 +247,9 @@ EOF
         ok(my $cmts = $im->purge($mime), 'purged message');
         like($cmts->[0], qr/\A[a-f0-9]{40}\z/, 'purge returned current commit');
         $im->done;
+
+        # again
+        is($im->purge($mime), undef, 'no-op returns undef');
 }
 
 {