The NIX update

scripts/dm-mpd

@@ -0,0 +1,76 @@
+#!/bin/bash
+
+all_name='[ALL]'
+mode=library
+
+d_artist() {
+    mpc list artist | sort -f | dmenu -p artist "${dmenu_args[@]}"
+}
+
+d_album() {
+    local artist="$1"
+    local albums
+
+    mapfile -t albums < <(mpc list album artist "$artist")
+    if (( ${#albums[@]} > 1 )) ; then
+        {
+            printf '%s\n' "$all_name"
+            printf '%s\n' "${albums[@]}" | sort -f
+        } | dmenu -p album "${dmenu_args[@]}"
+    else
+        # We only have one album, so just use that.
+        printf '%s\n' "${albums[0]}"
+    fi
+}
+
+d_playlist() {
+    local format="%position% %title%"
+    local extra_format="(%artist% - %album%)"
+    local track
+    local num_extras
+
+    # If all tracks are from the same artist and album, no need to display that
+    num_extras=$(mpc playlist -f "$extra_format" | sort | uniq | wc -l)
+    (( num_extras == 1 )) || format+=" $extra_format"
+
+    track=$(mpc playlist -f "$format" | dmenu -p track "${dmenu_args[@]}")
+    printf '%s' "${track%% *}"
+}
+
+i=2
+
+for arg do
+    if [[ $arg == :: ]]; then
+        dmenu_args=( "${@:$i}" )
+        break
+    fi
+
+    case "$arg" in
+        -l) mode=library ;;
+        -p) mode=playlist ;;
+    esac
+
+    let i++
+done
+
+case "$mode" in
+    library)
+        artist=$(d_artist)
+        [[ $artist ]] || exit 1
+
+        album=$(d_album "$artist")
+        [[ $album ]] || exit 2
+
+        mpc clear
+        if [[ $album == "$all_name" ]]; then
+            mpc find artist "$artist" | sort | mpc add
+        else
+            mpc find artist "$artist" album "$album" | sort | mpc add
+        fi
+
+        mpc play >/dev/null
+    ;;
+    playlist)
+        mpc play "$(d_playlist)" >/dev/null
+    ;;
+esac