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mgsh/version.txt
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mikeandClaude Opus 5 2acca170e6 Complete ! shell escapes like a shell
A line starting with '!' was not in the completer tree at all, so Tab did
nothing there -- just where the paths are longest. It now completes the
way a shell does: the command word against the executables on PATH, the
arguments against the filesystem, resolved relative to the active project
because that is where forwardShell runs the line. Directories complete
with their trailing slash, `~/` and absolute paths work, and dot entries
stay hidden until the prefix asks for one.

readline's completer is a tree of fixed words, which cannot express "a
prefix that is not a word", so this is a small AutoCompleter that
dispatches on the '!' and hands everything else to the existing tree. Its
contract is easy to get subtly wrong -- candidates are the suffixes still
missing, and the length is counted in runes, not bytes -- so the
conversion has its own test, as does completing only the basename inside
a directory, which is what keeps the candidate list readable.

Only the basename is offered inside a directory, PATH is scanned once per
session, and a bare '!' offers nothing rather than every executable on
the machine.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-26 18:18:01 +02:00

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