datekeys encrypt writes format 3 and datekeys decrypt writes its files
to a new folder, with the presentation of spec 29.7.
- encrypt: -in is repeatable and takes files and folders; a folder
gives its name as the first segment, as a browser does, and is
walked with Lstat, following no link, taking regular files only.
.DS_Store, Thumbs.db, desktop.ini, ._* and __MACOSX are left out of
folders, and each one left out is reported (62.1 rule 15). New
-comment, -author and -no-mtime; the mtimes are kept by default
(rule 16). A capsule may hold a comment alone. The copy of a pipe to
a temporary file goes, as only regular files are taken.
- decrypt: the prelude decides. Format 3 claims -out with os.Mkdir,
only when there are files, stages the tree in -out/.datekeys-*
through an os.Root with O_EXCL and mode 0600, sets the mtimes, and
moves each entry of the first level into place at step 18; any
failure removes the folder (spec 56). Formats 1 and 2 still write a
file.
- The presentation goes to stdout: the verdicts, the declared author
and the comment box with their labels, the paths, and the verdicts
again. Every line of the creator goes in pieces of at most W - 3
columns behind the prefix, counting 2 for anything but printable
ASCII, with its TABs expanded to multiples of 8; W is the width of
the terminal, asked with syscall on Unix and Windows, or 80. Risky
names get a warning: shortcuts, desktop.ini, .git, programs and a
leading dash, compared by their key of R7.
- Encrypt no longer runs in the CLI: only the test data generators
set TestVectors.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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