#!/usr/bin/lilush
-- .githooks/reference-transaction  (git config core.hooksPath .githooks)
-- arg[1] is the transaction state; ref updates arrive on stdin as
-- "<old> <new> <refname>" lines.
if arg[1] ~= "committed" then
    os.exit(0)
end
local site = os.getenv("LILPACK_SITE_DIR")
if not site then
    os.exit(0)
end
local lilpack = require("shell.builtins.lilpack")
for line in io.lines() do
    local _, _, ref = line:match("^(%S+)%s+(%S+)%s+(%S+)$")
    local tag = ref and ref:match("^refs/tags/(%d+%.%d+%.%d+%S*)$")
    if tag then
        lilpack["lilpack"].func("lilpack", { "pack", ".", "--version", tag, "--publish", site })
    end
end