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|
#!/bin/bash
# Fake tmux for testing tmux-util.
#
# State file: $FAKE_TMUX_DIR/sessions.txt
# One line per session, space-separated:
# <name> <attached> <pids_csv> [<activity_epoch> [<windows> [<cwd>]]]
# pids_csv is a comma-separated list of pane PIDs (or '-' for none)
# cwd cannot contain spaces in test data.
#
# Log file: $FAKE_TMUX_DIR/calls.log
# Each invocation appended as a single line: tmux <args>
: "${FAKE_TMUX_DIR:?FAKE_TMUX_DIR must be set}"
STATE="$FAKE_TMUX_DIR/sessions.txt"
LOG="$FAKE_TMUX_DIR/calls.log"
# Log every invocation
printf 'tmux %s\n' "$*" >> "$LOG"
cmd="$1"
shift
read_state() {
[ -f "$STATE" ] || return 0
grep -v '^[[:space:]]*$' "$STATE" || true
}
# Render a tmux format string against one session's fields.
# Args: format, name, attached, activity, windows, cwd
render_format() {
local out="$1" name="$2" attached="$3" activity="$4" windows="$5" cwd="$6"
out="${out//\#\{session_name\}/$name}"
out="${out//\#\{session_attached\}/$attached}"
out="${out//\#\{session_activity\}/$activity}"
out="${out//\#\{session_windows\}/$windows}"
out="${out//\#\{pane_current_path\}/$cwd}"
echo "$out"
}
# Render a tmux format string against one pane's fields.
# Args: format, name, pid, cmd, idx, cwd
render_pane_format() {
local out="$1" name="$2" pid="$3" cmd="$4" idx="$5" cwd="$6"
out="${out//\#\{pane_pid\}/$pid}"
out="${out//\#\{pane_current_command\}/$cmd}"
out="${out//\#\{pane_current_path\}/$cwd}"
out="${out//\#\{session_name\}/$name}"
out="${out//\#\{window_index\}/0}"
out="${out//\#\{pane_index\}/$idx}"
echo "$out"
}
case "$cmd" in
list-sessions)
fmt=""
while [ "$#" -gt 0 ]; do
case "$1" in
-F) shift; fmt="${1:-}"; shift ;;
*) shift ;;
esac
done
[ -n "$fmt" ] || fmt='#{session_name} #{session_attached}'
read_state | while IFS=' ' read -r name attached pids activity windows cwd; do
[ -n "$name" ] || continue
render_format "$fmt" "$name" "$attached" "${activity:-0}" "${windows:-1}" "${cwd:-/tmp}"
done
;;
list-panes)
all=0
fmt=""
session=""
while [ "$#" -gt 0 ]; do
case "$1" in
-t) shift; session="$1"; shift ;;
-F) shift; fmt="${1:-}"; shift ;;
-s) shift ;;
-a) all=1; shift ;;
*) shift ;;
esac
done
[ -n "$fmt" ] || fmt='#{pane_pid}'
read_state | while IFS=' ' read -r name attached pids activity windows cwd; do
[ -n "$name" ] || continue
if [ "$all" -eq 0 ] && [ "$name" != "$session" ]; then
continue
fi
[ "$pids" = "-" ] && continue
idx=0
for entry in $(echo "$pids" | tr ',' ' '); do
pid="${entry%%:*}"
cmd="${entry##*:}"
[ "$cmd" = "$entry" ] && cmd="shell"
render_pane_format "$fmt" "$name" "$pid" "$cmd" "$idx" "${cwd:-/tmp}"
idx=$((idx + 1))
done
done
;;
display)
fmt=""
target=""
while [ "$#" -gt 0 ]; do
case "$1" in
-p) shift ;;
-t) shift; target="$1"; shift ;;
*) fmt="$1"; shift ;;
esac
done
while IFS=' ' read -r name attached pids activity windows cwd; do
[ -n "$name" ] || continue
if [ "$name" = "$target" ]; then
render_format "$fmt" "$name" "$attached" "${activity:-0}" "${windows:-1}" "${cwd:-/tmp}"
exit 0
fi
done < "$STATE"
exit 1
;;
has-session)
session=""
while [ "$#" -gt 0 ]; do
case "$1" in
-t) shift; session="$1"; shift ;;
*) shift ;;
esac
done
# tmux accepts a `=name` form to force exact match; strip the prefix.
session="${session#=}"
while IFS=' ' read -r name attached pids _rest; do
if [ "$name" = "$session" ]; then
exit 0
fi
done < "$STATE"
exit 1
;;
new-session)
detached=0
name=""
cwd=""
while [ "$#" -gt 0 ]; do
case "$1" in
-s) shift; name="$1"; shift ;;
-c) shift; cwd="$1"; shift ;;
-d) detached=1; shift ;;
*) shift ;;
esac
done
attached=1
[ "$detached" -eq 1 ] && attached=0
printf '%s %s - 0 1 %s\n' "$name" "$attached" "${cwd:-/tmp}" >> "$STATE"
;;
attach-session|switch-client)
# No state mutation needed — the call log already records intent.
;;
rename-session)
# Forms: rename-session -t <old> <new> OR rename-session <new>
old=""
new=""
while [ "$#" -gt 0 ]; do
case "$1" in
-t) shift; old="$1"; shift ;;
*) new="$1"; shift ;;
esac
done
if [ -z "$old" ] || [ -z "$new" ]; then
echo "fake-tmux rename-session: need both -t <old> and <new>" >&2
exit 1
fi
tmp="$STATE.tmp"
: > "$tmp"
while IFS= read -r line; do
[ -n "$line" ] || continue
first="${line%% *}"
rest="${line#* }"
if [ "$first" = "$old" ]; then
printf '%s %s\n' "$new" "$rest" >> "$tmp"
else
printf '%s\n' "$line" >> "$tmp"
fi
done < "$STATE"
mv "$tmp" "$STATE"
;;
kill-session)
session=""
while [ "$#" -gt 0 ]; do
case "$1" in
-t) shift; session="$1"; shift ;;
*) shift ;;
esac
done
tmp="$STATE.tmp"
: > "$tmp"
while IFS= read -r line; do
[ -n "$line" ] || continue
first="${line%% *}"
if [ "$first" != "$session" ]; then
printf '%s\n' "$line" >> "$tmp"
fi
done < "$STATE"
mv "$tmp" "$STATE"
;;
*)
echo "fake-tmux: unknown command '$cmd'" >&2
exit 1
;;
esac
|
