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|
-- @@SHEBANG
-- -*- Lua -*-
-- gitano-pre-receive-hook
--
-- Git (with) Augmented network operations -- pre-receive hook handler
--
-- Copyright 2012 Daniel Silverstone <dsilvers@digital-scurf.org>
--
--
-- @@GITANO_LUA_PATH
local gitano = require "gitano"
local gall = require "gall"
local luxio = require "luxio"
local sio = require "luxio.simple"
local sp = require "luxio.subprocess"
-- @@GITANO_BIN_PATH
-- @@GITANO_SHARE_PATH
local start_log_level = gitano.log.get_level()
-- Clamp level at info until we have checked if the caller
-- is an admin or not
gitano.log.cap_level(gitano.log.level.INFO)
gitano.log.syslog.open()
local repo_root = luxio.getenv("GITANO_ROOT")
local username = luxio.getenv("GITANO_USER") or "gitano/anonymous"
local keytag = luxio.getenv("GITANO_KEYTAG") or "unknown"
local project = luxio.getenv("GITANO_PROJECT") or ""
local source = luxio.getenv("GITANO_SOURCE") or "ssh"
-- Now load the administration data
gitano.config.repo_path(repo_root)
local admin_repo = gall.repository.new((repo_root or "") .. "/gitano-admin.git")
if not admin_repo then
gitano.log.fatal("Unable to locate administration repository. Cannot continue");
end
local admin_head = admin_repo:get(admin_repo.HEAD)
if not admin_head then
gitano.log.fatal("Unable to find the HEAD of the administration repository. Cannot continue");
end
local config, msg = gitano.config.parse(admin_head)
if not config then
gitano.log.critical("Unable to parse administration repository.")
gitano.log.critical(" * " .. (msg or "No error?"))
gitano.log.fatal("Cannot continue")
end
-- Now, are we an admin?
if config.groups["gitano-admin"].filtered_members[username] then
-- Yep, so blithely reset logging level
gitano.log.set_level(start_log_level)
end
if not config.global.silent then
-- Not silent, bump to chatty level automatically
gitano.log.bump_level(gitano.log.level.CHAT)
end
local repo, msg = gitano.repository.find(config, project)
if not repo then
gitano.log.critical("Unable to locate repository.")
gitano.log.critical(" * " .. (tostring(msg)))
gitano.log.fatal("Cannot continue")
end
if repo.is_nascent then
gitano.log.fatal("Repository " .. repo.name .. " is nascent")
end
-- pre-receive can prevent updates. Its name is a bit misleading.
-- pre-receive is called once all the objects have been pushed, but before the
-- individual update hooks are called. It gets the same input as post-receive
-- but can opt to reject the entire push. If you need to make decisions based
-- upon multiple refs being updated simultaneously, then this is the badger for
-- you.
local updates = {}
for oldsha, newsha, refname in
(sio.stdin:read("*a")):gmatch("([^ ]+) ([^ ]+) ([^\n]+)") do
gitano.log.ddebug("pre-receive:", oldsha, newsha, refname)
updates[refname] = {oldsha, newsha, oldsha=oldsha, newsha=newsha}
end
if repo:uses_hook("pre-receive") then
gitano.log.debug("Configuring for pre-receive hook")
gitano.actions.set_supple_globals("pre-receive")
local msg = "Running repository pre-receive hook"
gitano.log.info(msg)
gitano.log.syslog.info(msg)
local info = {
username = username,
keytag = keytag,
source = source,
realname = (config.users[username] or {}).real_name or "",
email = (config.users[username] or {}).email_address or "",
}
local ok, msg = gitano.supple.run_hook("pre-receive", repo, info, updates)
if not ok then
gitano.log.crit(msg or "No reason given, but errored somehow.")
end
gitano.log.info("Finished")
end
gitano.log.syslog.close()
return 0
|
