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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")
list.help_summary = "List currently installed rocks."
list.help_arguments = "[--porcelain] <filter>"
list.help = [[
<filter> is a substring of a rock name to filter by.
--outdated List only rocks for which there is a
higher version available in the rocks server.
--porcelain Produce machine-friendly output.
]]
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local outdated = {}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table.insert(outdated, { name = name, installed = latest_installed, available = latest_available, repo = latest_available_repo })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return outdated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util.title("Outdated rocks:", porcelain)
local outdated = check_outdated(trees, query)
for _, item in ipairs(outdated) do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.
-- @param filter string or nil: A substring of a rock name to filter by.
-- @param version string or nil: a version may also be passed.
-- @return boolean: True if succeeded, nil on errors.
function list.command(flags, filter, version)
local query = queries.new(filter and filter:lower() or "", version, true)
local trees = cfg.rocks_trees
local title = "Rocks installed for Lua "..cfg.lua_version
if flags["tree"] then
trees = { flags["tree"] }
title = title .. " in " .. flags["tree"]
end
if flags["outdated"] then
return list_outdated(trees, query, flags["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, flags["porcelain"])
search.print_result_tree(results, flags["porcelain"])
return true
end
return list
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