add gcf2 client and executable script

This should be able to replace multiple `git cat-file' for blob
retrieval, but adjustments may be needed.

1 files changed, 14 insertions, 0 deletions

diff --git a/script/public-inbox-gcf2 b/script/public-inbox-gcf2
new file mode 100755
index 00000000..51811698
--- /dev/null
+++ b/script/public-inbox-gcf2
@@ -0,0 +1,14 @@
+#!perl -w
+# Copyright (C) 2020 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+eval { require PublicInbox::Gcf2 };
+die "libgit2 development package or Inline::C missing for $0: $@\n" if $@;
+my $gcf2 = PublicInbox::Gcf2::new();
+while (<STDIN>) {
+        chomp;
+        if (m!\A/!) { # +/path/to/git-dir
+                $gcf2->add_alternate("$_/objects");
+        } else {
+                $gcf2->cat_oid(1, $_);
+        }
+}