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1 files changed, 84 insertions, 0 deletions

diff --git a/src/luarocks/cmd/search.lua b/src/luarocks/cmd/search.lua
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+++ b/src/luarocks/cmd/search.lua
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+
+--- Module implementing the LuaRocks "search" command.
+-- Queries LuaRocks servers.
+local cmd_search = {}
+
+local cfg = require("luarocks.core.cfg")
+local util = require("luarocks.util")
+local search = require("luarocks.search")
+local queries = require("luarocks.queries")
+local results = require("luarocks.results")
+
+function cmd_search.add_to_parser(parser)
+   local cmd = parser:command("search", "Query the LuaRocks servers.", util.see_also())
+
+   cmd:argument("name", "Name of the rock to search for.")
+      :args("?")
+      :action(util.namespaced_name_action)
+   cmd:argument("version", "Rock version to search for.")
+      :args("?")
+
+   cmd:flag("--source", "Return only rockspecs and source rocks, to be used "..
+      'with the "build" command.')
+   cmd:flag("--binary", "Return only pure Lua and binary rocks (rocks that "..
+      'can be used with the "install" command without requiring a C toolchain).')
+   cmd:flag("--all", "List all contents of the server that are suitable to "..
+      "this platform, do not filter by name.")
+   cmd:flag("--porcelain", "Return a machine readable format.")
+end
+
+--- Splits a list of search results into two lists, one for "source" results
+-- to be used with the "build" command, and one for "binary" results to be
+-- used with the "install" command.
+-- @param result_tree table: A search results table.
+-- @return (table, table): Two tables, one for source and one for binary
+-- results.
+local function split_source_and_binary_results(result_tree)
+   local sources, binaries = {}, {}
+   for name, versions in pairs(result_tree) do
+      for version, repositories in pairs(versions) do
+         for _, repo in ipairs(repositories) do
+            local where = sources
+            if repo.arch == "all" or repo.arch == cfg.arch then
+               where = binaries
+            end
+            local entry = results.new(name, version, repo.repo, repo.arch)
+            search.store_result(where, entry)
+         end
+      end
+   end
+   return sources, binaries
+end
+
+--- Driver function for "search" command.
+-- @return boolean or (nil, string): True if build was successful; nil and an
+-- error message otherwise.
+function cmd_search.command(args)
+   local name = args.name
+
+   if args.all then
+      name, args.version = "", nil
+   end
+
+   if not args.name and not args.all then
+      return nil, "Enter name and version or use --all. "..util.see_help("search")
+   end
+
+   local query = queries.new(name, args.namespace, args.version, true)
+   local result_tree, err = search.search_repos(query)
+   local porcelain = args.porcelain
+   local full_name = util.format_rock_name(name, args.namespace, args.version)
+   util.title(full_name .. " - Search results for Lua "..cfg.lua_version..":", porcelain, "=")
+   local sources, binaries = split_source_and_binary_results(result_tree)
+   if next(sources) and not args.binary then
+      util.title("Rockspecs and source rocks:", porcelain)
+      search.print_result_tree(sources, porcelain)
+   end
+   if next(binaries) and not args.source then
+      util.title("Binary and pure-Lua rocks:", porcelain)
+      search.print_result_tree(binaries, porcelain)
+   end
+   return true
+end
+
+return cmd_search