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local signing = {}
local cfg = require("luarocks.core.cfg")
local fs = require("luarocks.fs")
local function get_gpg()
local vars = cfg.variables
local gpg = vars.GPG
local gpg_ok, err = fs.is_tool_available(gpg, "gpg")
if not gpg_ok then
return nil, err
end
return gpg
end
function signing.signature_url(url)
return url .. ".asc"
end
function signing.sign_file(file)
local gpg, err = get_gpg()
if not gpg then
return nil, err
end
local sigfile = file .. ".asc"
if fs.execute(gpg, "--armor", "--output", sigfile, "--detach-sign", file) then
return sigfile
else
return nil, "failed running " .. gpg .. " to sign " .. file
end
end
function signing.verify_signature(file, sigfile)
local gpg, err = get_gpg()
if not gpg then
return nil, err
end
if fs.execute(gpg, "--verify", sigfile, file) then
return true
else
return nil, "GPG returned a verification error"
end
end
return signing
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