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--- Module implementing the LuaRocks "list" command.
-- Lists currently installed rocks.
local list = {}
local search = require("luarocks.search")
local queries = require("luarocks.queries")
local vers = require("luarocks.core.vers")
local cfg = require("luarocks.core.cfg")
local util = require("luarocks.util")
local path = require("luarocks.path")
function list.add_to_parser(parser)
local cmd = parser:command("list", "List currently installed rocks.", util.see_also())
cmd:argument("filter", "A substring of a rock name to filter by.")
:args("?")
cmd:argument("version", "Rock version to filter by.")
:args("?")
cmd:flag("--outdated", "List only rocks for which there is a higher "..
"version available in the rocks server.")
cmd:flag("--porcelain", "Produce machine-friendly output.")
end
local function check_outdated(trees, query)
local results_installed = {}
for _, tree in ipairs(trees) do
search.local_manifest_search(results_installed, path.rocks_dir(tree), query)
end
local outdated = {}
for name, versions in util.sortedpairs(results_installed) do
versions = util.keys(versions)
table.sort(versions, vers.compare_versions)
local latest_installed = versions[1]
local query_available = queries.new(name:lower())
local results_available, err = search.search_repos(query_available)
if results_available[name] then
local available_versions = util.keys(results_available[name])
table.sort(available_versions, vers.compare_versions)
local latest_available = available_versions[1]
local latest_available_repo = results_available[name][latest_available][1].repo
if vers.compare_versions(latest_available, latest_installed) then
table.insert(outdated, { name = name, installed = latest_installed, available = latest_available, repo = latest_available_repo })
end
end
end
return outdated
end
local function list_outdated(trees, query, porcelain)
util.title("Outdated rocks:", porcelain)
local outdated = check_outdated(trees, query)
for _, item in ipairs(outdated) do
if porcelain then
util.printout(item.name, item.installed, item.available, item.repo)
else
util.printout(item.name)
util.printout(" "..item.installed.." < "..item.available.." at "..item.repo)
util.printout()
end
end
return true
end
--- Driver function for "list" command.
-- @return boolean: True if succeeded, nil on errors.
function list.command(args)
local query = queries.new(args.filter and args.filter:lower() or "", args.namespace, args.version, true)
local trees = cfg.rocks_trees
local title = "Rocks installed for Lua "..cfg.lua_version
if args.tree then
trees = { args.tree }
title = title .. " in " .. args.tree
end
if args.outdated then
return list_outdated(trees, query, args.porcelain)
end
local results = {}
for _, tree in ipairs(trees) do
local ok, err, errcode = search.local_manifest_search(results, path.rocks_dir(tree), query)
if not ok and errcode ~= "open" then
util.warning(err)
end
end
util.title(title, args.porcelain)
search.print_result_tree(results, args.porcelain)
return true
end
return list
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