mirror of
https://github.com/NeoFlock/neonucleus.git
synced 2025-09-25 01:23:31 +02:00
105 lines
2.6 KiB
Lua
105 lines
2.6 KiB
Lua
local shell = require("shell")
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local fs = require("filesystem")
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local text = require("text")
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local args, options = shell.parse(...)
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local function usage()
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print(
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[[Usage: rmdir [OPTION]... DIRECTORY...
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Removes the DIRECTORY(ies), if they are empty.
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-q, --ignore-fail-on-non-empty
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ignore failures due solely to non-empty directories
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-p, --parents remove DIRECTORY and its empty ancestors
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e.g. 'rmdir -p a/b/c' is similar to 'rmdir a/b/c a/b a'
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-v, --verbose output a diagnostic for every directory processed
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--help display this help and exit]])
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end
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if options.help then
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usage()
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return 0
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end
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if #args == 0 then
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io.stderr:write("rmdir: missing operand\n")
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return 1
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end
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options.p = options.p or options.parents
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options.v = options.v or options.verbose
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options.q = options.q or options['ignore-fail-on-non-empty']
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local ec = 0
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local function ec_bump()
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ec = 1
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return 1
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end
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local function remove(path, ...)
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-- check to end recursion
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if path == nil then
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return true
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end
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if options.v then
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print(string.format('rmdir: removing directory, %s', path))
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end
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local rpath = shell.resolve(path)
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if path == '.' then
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io.stderr:write('rmdir: failed to remove directory \'.\': Invalid argument\n')
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return ec_bump()
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elseif not fs.exists(rpath) then
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io.stderr:write("rmdir: cannot remove " .. path .. ": path does not exist\n")
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return ec_bump()
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elseif fs.isLink(rpath) or not fs.isDirectory(rpath) then
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io.stderr:write("rmdir: cannot remove " .. path .. ": not a directory\n")
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return ec_bump()
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else
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local list, reason = fs.list(rpath)
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if not list then
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io.stderr:write(tostring(reason)..'\n')
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return ec_bump()
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else
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if list() then
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if not options.q then
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io.stderr:write("rmdir: failed to remove " .. path .. ": Directory not empty\n")
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end
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return ec_bump()
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else
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-- path exists and is empty?
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local ok, reason = fs.remove(rpath)
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if not ok then
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io.stderr:write(tostring(reason)..'\n')
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return ec_bump(), reason
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end
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return remove(...) -- the final return of all else
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end
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end
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end
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end
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for _,path in ipairs(args) do
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-- clean up the input
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path = path:gsub('/+', '/')
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local segments = {}
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if options.p and path:len() > 1 and path:find('/') then
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local chain = text.split(path, {'/'}, true)
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local prefix = ''
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for _,e in ipairs(chain) do
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table.insert(segments, 1, prefix .. e)
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prefix = prefix .. e .. '/'
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end
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else
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segments = {path}
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end
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remove(table.unpack(segments))
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end
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return ec
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