v2writable: use "epoch" consistently when referring to git repos

Be consistent with our own terminology and use "epoch" for
[0-9]+\.git repos.  The term "partition" is going away entirely.

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 502824c85327bc8c06d52a636c113a7384e23f94..7a89093cad8a3b58fe0346c5e55a75ee98215c1d 100644 (file)
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -556,7 +556,7 @@ W: $list
        $rewritten->{rewrites};
 }
 
-sub last_commit_part ($$;$) {
+sub last_epoch_commit ($$;$) {
        my ($self, $i, $cmt) = @_;
        my $v = PublicInbox::Search::SCHEMA_VERSION();
        $self->{mm}->last_commit_xap($v, $i, $cmt);
@@ -569,7 +569,7 @@ sub set_last_commits ($) {
        foreach my $i (0..$epoch_max) {
                defined(my $cmt = $last_commit->[$i]) or next;
                $last_commit->[$i] = undef;
-               last_commit_part($self, $i, $cmt);
+               last_epoch_commit($self, $i, $cmt);
        }
 }
 
@@ -927,13 +927,13 @@ sub reindex_oid ($$$$) {
 # only update last_commit for $i on reindex iff newer than current
 sub update_last_commit ($$$$) {
        my ($self, $git, $i, $cmt) = @_;
-       my $last = last_commit_part($self, $i);
+       my $last = last_epoch_commit($self, $i);
        if (defined $last && is_ancestor($git, $last, $cmt)) {
                my @cmd = (qw(rev-list --count), "$last..$cmt");
                chomp(my $n = $git->qx(@cmd));
                return if $n ne '' && $n == 0;
        }
-       last_commit_part($self, $i, $cmt);
+       last_epoch_commit($self, $i, $cmt);
 }
 
 sub git_dir_n ($$) { "$_[0]->{-inbox}->{mainrepo}/git/$_[1].git" }
@@ -942,7 +942,7 @@ sub last_commits ($$) {
        my ($self, $epoch_max) = @_;
        my $heads = [];
        for (my $i = $epoch_max; $i >= 0; $i--) {
-               $heads->[$i] = last_commit_part($self, $i);
+               $heads->[$i] = last_epoch_commit($self, $i);
        }
        $heads;
 }
@@ -1013,7 +1013,7 @@ sub sync_prepare ($$$) {
        for (my $i = $epoch_max; $i >= 0; $i--) {
                die 'BUG: already indexing!' if $self->{reindex_pipe};
                my $git_dir = git_dir_n($self, $i);
-               -d $git_dir or next; # missing parts are fine
+               -d $git_dir or next; # missing epochs are fine
                my $git = PublicInbox::Git->new($git_dir);
                if ($reindex_heads) {
                        $head = $reindex_heads->[$i] or next;
@@ -1123,7 +1123,7 @@ sub index_epoch ($$$) {
 
        my $git_dir = git_dir_n($self, $i);
        die 'BUG: already reindexing!' if $self->{reindex_pipe};
-       -d $git_dir or return; # missing parts are fine
+       -d $git_dir or return; # missing epochs are fine
        fill_alternates($self, $i);
        my $git = PublicInbox::Git->new($git_dir);
        if (my $unindex_range = delete $sync->{unindex_range}->{$i}) {