diff options
| -rw-r--r-- | src/lpm.lua | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/lpm.lua b/src/lpm.lua index 5734d88..af2a507 100644 --- a/src/lpm.lua +++ b/src/lpm.lua @@ -2208,6 +2208,9 @@ not commonly used publically. interpreter. lpm download <url> [target] Downloads the specified URL to stdout, or to the specified target file. + lpm hash [file] Returns the sha256sum of the file. + lpm update-checksums [manifest] Pulls all remote files, computes their + checksums, and updates them in the file. lpm extract <file.[tar.gz|zip]> Extracts the specified archive at [target] target, or the current working directory. ]] @@ -2371,6 +2374,32 @@ not commonly used publically. system.extract(ARGS[3], ARGS[4] or ".") os.exit(0) end + if ARGS[2] == "update-checksums" then + local contents = common.read(ARGS[3]) + local m = json.decode(contents) + local computed = {} + local filter + if #ARGS > 3 then + filter = {} + for i, arg in ipairs(ARGS) do + if i > 3 then filter[arg] = true end + end + end + for _, section in ipairs(common.concat(m.addons or {}, m["lite-xls"] or {})) do + for _, file in ipairs(section.files or {}) do + if (not filter or (section.id and filter[section.id])) and file.url and file.checksum ~= "SKIP" and type(file.checksum) == "string" then + local checksum = system.hash(common.get(file.url)) + if computed[file.checksum] and computed[file.checksum] ~= checksum then + error("can't update manifest; existing checksum " .. file.checksum .. " exists in two separate places that now have disparate checksum values") + end + computed[file.checksum] = checksum + contents = contents:gsub(file.checksum, checksum) + end + end + end + common.write(ARGS[3], contents) + os.exit(0) + end if ARGS[2] == "manifest" then local repo = Repository.url(ARGS[3]) repo.branch = "master" |