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view share/lua/5.2/luarocks/list.lua @ 8509:272663b31668
<b_jonas> slashlearn block device/Block devices are a concession made in Unix to make raw hard disks and magnetic tape have a similar interface to regular files and terminals. Since magnetic tapes can\'t write individual bytes, only entire blocks, the interface isn\'t exactly the same, thus the dreaded dd obs= option was born.
author | HackBot |
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date | Fri, 17 Jun 2016 08:35:50 +0000 |
parents | d137f631bad5 |
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--- Module implementing the LuaRocks "list" command. -- Lists currently installed rocks. module("luarocks.list", package.seeall) local search = require("luarocks.search") local cfg = require("luarocks.cfg") local util = require("luarocks.util") local path = require("luarocks.path") help_summary = "Lists currently installed rocks." help_arguments = "[--porcelain] <filter>" help = [[ <filter> is a substring of a rock name to filter by. --porcelain Produce machine-friendly output. ]] --- 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 run(...) local flags, filter, version = util.parse_flags(...) local results = {} local query = search.make_query(filter and filter:lower() or "", version) query.exact_name = false local trees = cfg.rocks_trees if flags["tree"] then trees = { flags["tree"] } end for _, tree in ipairs(trees) do search.manifest_search(results, path.rocks_dir(tree), query) end util.title("Installed rocks:", flags["porcelain"]) search.print_results(results, flags["porcelain"]) return true end