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|
-- @@SHEBANG
-- -*- Lua -*-
-- gitano-post-receive-hook
--
-- Git (with) Augmented network operations -- Post-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
-- @@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"
-- 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
-- Post-receive is not allowed to prevent updates, instead on stdin we get
-- a list of the refs updated and we get to react to that (such as sending
-- emails, ensuring that new rules are applied, etc)
local updates = {}
for oldsha, newsha, refname in
(sio.stdin:read("*a")):gmatch("([^ ]+) ([^ ]+) ([^\n]+)\n?") do
gitano.log.ddebug("post-receive:", oldsha, newsha, refname)
updates[refname] = {oldsha, newsha, oldsha=oldsha, newsha=newsha}
end
-- updates to refs/gitano/admin will *already* have been processed thanks
-- to the repository being found above. So if that's present, just note
-- that the updates (if any) will have been applied
if updates["refs/gitano/admin"] then
local msg = "<" .. repo.name .. ">" .. " Any changes to admin ref have been applied."
gitano.log.chat(msg)
gitano.log.syslog.info(msg)
end
local function report_repo(reponame, repo, msg)
if repo then
local s = "<" .. reponame ..">" .. " Any changes to hooks etc have been applied"
gitano.log.chat(s)
gitano.log.syslog.info(s)
else
gitano.log.crit("<" .. reponame .. ">", "Unable to process:", msg)
end
end
if repo.name == "gitano-admin" and updates[admin_repo.HEAD] then
-- Updating the 'master' of gitano-admin, let's iterate all the repositories
gitano.log.syslog.info("Updating gitano-admin")
local msg = "Scanning repositories to apply hook/rules updates..."
gitano.log.chat(msg)
gitano.log.syslog.info(msg)
local ok, msg = gitano.repository.foreach(config, report_repo)
if not ok then
gitano.log.crit(msg)
end
msg = "All repositories updated where possible."
gitano.log.chat(msg)
gitano.log.syslog.info(msg)
local proc = sp.spawn({
gitano.config.lib_bin_path() .. "/gitano-update-ssh",
gitano.config.repo_path()
})
local how, why = proc:wait()
if how ~= "exit" or why ~= 0 then
gitano.log.crit("Updating SSH keys didn't work?")
end
elseif repo.name ~= "gitano-admin" then
-- Not gitano-admin at all, so run the update-server-info stuff
gitano.log.info("Updating server info for dumb HTTP transport")
local ok, err = repo.git:update_server_info()
if not ok then
gitano.log.warn(err)
end
gitano.log.info("Updating last-modified date")
local shas = {}
for _, t in pairs(updates) do
shas[#shas+1] = t.newsha
end
local ok, err = repo:update_modified_date(shas)
if not ok then
gitano.log.warn(err)
end
end
if repo:uses_hook("post-receive") then
gitano.log.debug("Configuring for post-receive hook")
gitano.actions.set_supple_globals("post-receive")
local msg = "Running repository post-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("post-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
|
