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| local purge = {} |
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| local util = require("luarocks.util") |
| local path = require("luarocks.path") |
| local search = require("luarocks.search") |
| local vers = require("luarocks.core.vers") |
| local repo_writer = require("luarocks.repo_writer") |
| local cfg = require("luarocks.core.cfg") |
| local remove = require("luarocks.remove") |
| local queries = require("luarocks.queries") |
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| function purge.add_to_parser(parser) |
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| local cmd = parser:command("purge", [[ |
| This command removes rocks en masse from a given tree. |
| By default, it removes all rocks from a tree. |
| |
| The --tree option is mandatory: luarocks purge does not assume a default tree.]], |
| util.see_also()): |
| summary("Remove all installed rocks from a tree.") |
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| cmd:flag("--old-versions", "Keep the highest-numbered version of each " .. |
| "rock and remove the other ones. By default it only removes old " .. |
| "versions if they are not needed as dependencies. This can be " .. |
| "overridden with the flag --force.") |
| cmd:flag("--force", "If --old-versions is specified, force removal of " .. |
| "previously installed versions if it would break dependencies.") |
| cmd:flag("--force-fast", "Like --force, but performs a forced removal " .. |
| "without reporting dependency issues.") |
| end |
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| function purge.command(args) |
| local tree = args.tree |
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| local results = {} |
| search.local_manifest_search(results, path.rocks_dir(tree), queries.all()) |
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| local sort = function(a, b) return vers.compare_versions(b, a) end |
| if args.old_versions then |
| sort = vers.compare_versions |
| end |
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| for pkg, versions in util.sortedpairs(results) do |
| for version, _ in util.sortedpairs(versions, sort) do |
| if args.old_versions then |
| util.printout("Keeping " .. pkg .. " " .. version .. "...") |
| local ok, err, warn = remove.remove_other_versions(pkg, version, args.force, args.force_fast) |
| if not ok then |
| util.printerr(err) |
| elseif warn then |
| util.printerr(err) |
| end |
| break |
| else |
| util.printout("Removing " .. pkg .. " " .. version .. "...") |
| local ok, err = repo_writer.delete_version(pkg, version, "none", true) |
| if not ok then |
| util.printerr(err) |
| end |
| end |
| end |
| end |
| return repo_writer.refresh_manifest(cfg.rocks_dir) |
| end |
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| purge.needs_lock = function() return true end |
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| return purge |
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|
