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Add an optional log to the now_playing segment #424

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merged 1 commit into from
May 6, 2024
Merged

Add an optional log to the now_playing segment #424

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14 changes: 14 additions & 0 deletions lib/util.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
# shellcheck shell=bash

is_flag_enabled() {
local flag_value="$1"

case "$(awk '{print tolower($0)}' <<<"${flag_value}")" in
on | true | y | yes | 1)
return 0
;;
*)
return 1
;;
esac
}
38 changes: 38 additions & 0 deletions segments/now_playing.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,17 @@

# shellcheck source=lib/text_roll.sh
source "${TMUX_POWERLINE_DIR_LIB}/text_roll.sh"
# shellcheck source=lib/util.sh
source "${TMUX_POWERLINE_DIR_LIB}/util.sh"

TMUX_POWERLINE_SEG_NOW_PLAYING_MAX_LEN_DEFAULT="40"
TMUX_POWERLINE_SEG_NOW_PLAYING_TRIM_METHOD_DEFAULT="trim"
TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SPEED_DEFAULT="2"
TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_MODE="${TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_MODE:-repeat}"
TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SEPARATOR="${TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SEPARATOR:-  }"
TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_ENABLE="${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_ENABLE:-false}"
TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH="${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH:-${HOME}/.now_playing.log}"
TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_MAX_ENTRIES="${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_MAX_ENTRIES:-100}"
TMUX_POWERLINE_SEG_NOW_PLAYING_MPD_HOST_DEFAULT="localhost"
TMUX_POWERLINE_SEG_NOW_PLAYING_MPD_PORT_DEFAULT="6600"
TMUX_POWERLINE_SEG_NOW_PLAYING_LASTFM_UPDATE_PERIOD_DEFAULT="30"
Expand All @@ -35,6 +40,12 @@ export TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SPEED="${TMUX_POWERLINE_SEG_NOW_PLAYI
# export TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_MODE="${TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_MODE}"
# Separator for "repeat" roll mode
# export TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SEPARATOR="${TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SEPARATOR}"
# If set to 'true', 'yes', 'on' or '1', played tracks will be logged to a file.
# export TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_ENABLE="${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_ENABLE}"
# If enabled, log played tracks to the following file:
# export TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH="${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH}"
# Maximum number of logged song entries. Set to "unlimited" for unlimited entries.
# export TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_MAX_ENTRIES="${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_MAX_ENTRIES}"

# Hostname for MPD server in the format "[password@]host"
export TMUX_POWERLINE_SEG_NOW_PLAYING_MPD_HOST="${TMUX_POWERLINE_SEG_NOW_PLAYING_MPD_HOST_DEFAULT}"
Expand Down Expand Up @@ -120,6 +131,33 @@ run_segment() {
return ${exitcode}
fi
if [ -n "$np" ]; then
if is_flag_enabled "${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_ENABLE}"; then
local last_track
last_track=$(
awk -F': ' 'END { for (i = 2; i <= NF; ++i) printf("%s%s", $i, (i < NF) ? FS : "") }' \
<"$TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH" 2>/dev/null
)
if [[ "$np" != "$last_track" ]]; then
local next_entry
next_entry="$(date +"%Y-%m-%d %H:%M:%S"): ${np}"
if [[ "${TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_MAX_ENTRIES}" == "unlimited" ]]; then
echo "$next_entry" >>"$TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH"
else
local tmp_log_file
tmp_log_file="$(mktemp)" &&
{
tail -n $((TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_MAX_ENTRIES - 1)) \
"$TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH" 2>/dev/null
echo "$next_entry"
} >"$tmp_log_file" &&
if [[ -f "$tmp_log_file" ]]; then
# Use `cat` to preserve destination file attributes rather than source file attributes
cat "$tmp_log_file" >"$TMUX_POWERLINE_SEG_NOW_PLAYING_TRACK_LOG_FILEPATH"
rm "$tmp_log_file"
fi
fi
fi
fi
case "$TMUX_POWERLINE_SEG_NOW_PLAYING_TRIM_METHOD" in
"roll")
np=$(roll_text "${np}" "${TMUX_POWERLINE_SEG_NOW_PLAYING_MAX_LEN}" "${TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SPEED_DEFAULT}" "${TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_MODE}" "${TMUX_POWERLINE_SEG_NOW_PLAYING_ROLL_SEPARATOR}")
Expand Down