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util/mercurial.lua @ 12095:c1d2bc6603ae
moduleapi: Support stripping of multi-word from module names
The goal is to allow module:provides("foo-bar") with a mod_foo_bar_ prefix
being stripped. It will break any existing modules that use a prefix and have
hyphens instead of underscores. No such modules are known.
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 22 Dec 2021 14:40:42 +0000 |
parent | 10533:a6cc5b844d7b |
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local lfs = require"lfs"; local hg = { }; function hg.check_id(path) if lfs.attributes(path, 'mode') ~= "directory" then return nil, "not a directory"; end local hg_dirstate = io.open(path.."/.hg/dirstate"); local hgid, hgrepo if hg_dirstate then hgid = ("%02x%02x%02x%02x%02x%02x"):format(hg_dirstate:read(6):byte(1, 6)); hg_dirstate:close(); local hg_changelog = io.open(path.."/.hg/store/00changelog.i"); if hg_changelog then hg_changelog:seek("set", 0x20); hgrepo = ("%02x%02x%02x%02x%02x%02x"):format(hg_changelog:read(6):byte(1, 6)); hg_changelog:close(); end else local hg_archival,e = io.open(path.."/.hg_archival.txt"); -- luacheck: ignore 211/e if hg_archival then local repo = hg_archival:read("*l"); local node = hg_archival:read("*l"); hg_archival:close() hgid = node and node:match("^node: (%x%x%x%x%x%x%x%x%x%x%x%x)") hgrepo = repo and repo:match("^repo: (%x%x%x%x%x%x%x%x%x%x%x%x)") end end return hgid, hgrepo; end return hg;