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Run on macOS: bash 3.2, arrow keys, and honest session reporting

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macOS ships bash 3.2, and the port used three things it does not have:
mapfile, fractional `read -t`, and GNU `stat -c`. The first two took the
interactive menu down - `mapfile: command not found` in the preset
picker, and an arrow key that parsed as a bare Escape, leaving `[C` in
the tty for zsh to report as a bad pattern.

read_key now reads the escape tail through the terminal itself: icanon
off with min 0 / time 1, so a plain read returns the moment a byte
arrives and gives up after ~0.1s. bash 3.2's `read -t 0` cannot be used
to poll for this - it reports nothing even with bytes buffered (checked
against 3.2.57). CSI sequences are consumed whole, so modified keys like
Ctrl+Right no longer leak their tail either. Verified interactively
under bash 3.2.57 in a pty: arrows, pgup/pgdn, home/end, enter,
backspace, and a bare Escape all parse, with no stray bytes in the tty.

Session listing reads /proc, which macOS does not have; it now says so
rather than silently reporting no running sessions - the answer that
gets people to switch out from under a live session. install.sh swaps
GNU `find -print -quit` for a glob, and the README notes both.

Co-Authored-By: Claude Code <noreply@anthropic.com>
This commit is contained in:
smoido
2026-09-12 21:58:58 +03:00
co-authored by Claude Code
parent 69c7810345
commit 5a1af9f7e6
3 changed files with 107 additions and 15 deletions
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linux/install.sh
+6 -3
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@@ -37,9 +37,12 @@ if [ ! -f "$SRC/claude-mode" ] || [ ! -f "$SRC/cm-json.py" ]; then
TMP="$(mktemp -d "${TMPDIR:-/tmp}/claude-mode-src.XXXXXX")"
printf 'no local checkout found - fetching source from %s\n' "$REPO_URL"
curl -fsSL "$REPO_URL/archive/master.tar.gz" | tar -xz -C "$TMP"
EXTRACTED="$(find "$TMP" -type f -name claude-mode -print -quit)"
[ -n "$EXTRACTED" ] || { fail 'archive did not contain linux/claude-mode - repo layout changed?'; exit 1; }
SRC="$(dirname "$EXTRACTED")"
# a plain glob rather than find -print -quit: BSD find (macOS) has no -quit
SRC=''
for _c in "$TMP"/*/linux/claude-mode "$TMP"/linux/claude-mode; do
[ -f "$_c" ] && { SRC="$(dirname "$_c")"; break; }
done
[ -n "$SRC" ] || { fail 'archive did not contain linux/claude-mode - repo layout changed?'; exit 1; }
fi
printf '\ninstalling claude-mode -> %s\n' "$ROOT"