| local type = type; local deplocks = {} |
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| local fs = require("luarocks.fs") |
| local dir = require("luarocks.dir") |
| local util = require("luarocks.util") |
| local persist = require("luarocks.persist") |
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| local depstable = {} |
| local depstable_mode = "start" |
| local deplock_abs_filename |
| local deplock_root_rock_name |
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| function deplocks.init(root_rock_name, dirname) |
| if depstable_mode ~= "start" then |
| return |
| end |
| depstable_mode = "create" |
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| local filename = dir.path(dirname, "luarocks.lock") |
| deplock_abs_filename = fs.absolute_name(filename) |
| deplock_root_rock_name = root_rock_name |
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| depstable = {} |
| end |
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| function deplocks.get_abs_filename(root_rock_name) |
| if root_rock_name == deplock_root_rock_name then |
| return deplock_abs_filename |
| end |
| end |
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| function deplocks.load(root_rock_name, dirname) |
| if depstable_mode ~= "start" then |
| return true, nil |
| end |
| depstable_mode = "locked" |
|
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| local filename = dir.path(dirname, "luarocks.lock") |
| local _, result, errcode = persist.run_file(filename, {}) |
| if errcode == "load" or errcode == "run" then |
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| return nil, nil, "Could not read existing lockfile " .. filename |
| end |
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| if errcode == "open" then |
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| return true, nil |
| end |
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| deplock_abs_filename = fs.absolute_name(filename) |
| deplock_root_rock_name = root_rock_name |
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| depstable = result |
| return true, filename |
| end |
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| function deplocks.add(depskey, name, version) |
| if depstable_mode == "locked" then |
| return |
| end |
|
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| local dk = depstable[depskey] |
| if not dk then |
| dk = {} |
| depstable[depskey] = dk |
| end |
|
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| if type(dk) == "table" and not dk[name] then |
| dk[name] = version |
| end |
| end |
|
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| function deplocks.get(depskey, name) |
| local dk = depstable[depskey] |
| if type(dk) == "table" then |
| return dk[name] |
| end |
| return nil |
| end |
|
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| function deplocks.write_file() |
| if depstable_mode ~= "create" then |
| return true |
| end |
|
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| return persist.save_as_module(deplock_abs_filename, depstable) |
| end |
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| function deplocks.proxy(depskey) |
| return setmetatable({}, { |
| __index = function(_, k) |
| return deplocks.get(depskey, k) |
| end, |
| __newindex = function(_, k, v) |
| return deplocks.add(depskey, k, v) |
| end, |
| }) |
| end |
|
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| function deplocks.each(depskey) |
| return util.sortedpairs(depstable[depskey] or {}) |
| end |
|
|
| return deplocks |
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|
