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-- @@SHEBANG
-- -*- Lua -*-
-- gitano-pre-receive-hook
--
-- Git (with) Augmented network operations -- pre-receive hook handler
--
-- Copyright 2012-2017 Daniel Silverstone <dsilvers@digital-scurf.org>
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
-- 1. Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
-- 2. Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
-- 3. Neither the name of the author nor the names of their contributors
-- may be used to endorse or promote products derived from this software
-- without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-- ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-- SUCH DAMAGE.
--
--
-- @@GITANO_LUA_PATH
local gitano = require "gitano"
local pat = gitano.patterns
local gall = require "gall"
local luxio = require "luxio"
local sio = require "luxio.simple"
local sp = require "luxio.subprocess"
-- @@GITANO_BIN_PATH
-- @@GITANO_SHARE_PATH
-- @@GITANO_I18N_PATH
-- @@GITANO_PLUGIN_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"
local running = luxio.getenv("GITANO_RUNNING")
-- Check whether we are called through gitano-auth
if not running then
return 0
end
-- 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(gitano.i18n.expand("ERROR_NO_ADMIN_REPO"));
end
local admin_head = admin_repo:get(admin_repo.HEAD)
if not admin_head then
gitano.log.fatal(gitano.i18n.expand("ERROR_BAD_ADMIN_REPO"));
end
local config, msg = gitano.config.parse(admin_head)
if not config then
gitano.log.critical(gitano.i18n.expand("ERROR_CANNOT_PARSE_ADMIN"))
gitano.log.critical(" * " .. (msg or "No error?"))
gitano.log.fatal(gitano.i18n.expand("ERROR_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(gitano.i18n.expand("ERROR_CANNOT_LOCATE_REPO"))
gitano.log.critical(" * " .. (tostring(msg)))
gitano.log.fatal(gitano.i18n.expand("ERROR_CANNOT_CONTINUE"))
end
if repo.is_nascent then
gitano.log.fatal(gitano.i18n.expand("ERROR_REPO_IS_NASCENT", {name=repo.name}))
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(pat.GITHOOK_PARSE_CHANGESET) 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 = gitano.i18n.expand("RUNNING_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 gitano.i18n.expand("ERROR_NO_ERROR_FOUND"))
end
gitano.log.info(gitano.i18n.expand("FINISHED"))
end
gitano.log.syslog.close()
return 0
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