bugfix and keys

bugfix: playing failed with tracks of unknown length
keys: added yank keys

src/sh/keys.sh

@@ -48,6 +48,8 @@
 # Specials:
 # - KEYS_BROWSE: Open MusicBrainz webpage of the selected item
 # - KEYS_OPEN: Open file manager in the directory of the selected item
+# - KEYS_N_YANK: Copy MusicBrainz ID of selected item to clipboard
+# - KEYS_YANK_CURRENT: Copy MusicBrainz ID of current item to clipboard
 # - KEYS_SHOW_PLAYLIST: Switch to playlist view
 # - KEYS_QUIT: Quit application
 # - KEYS_N_QUIT: Quit application if we are in VIEW_LIST_ARTISTS, else go to
@@ -133,10 +135,13 @@ export KEYS_FILTER_LOCAL KEYS_FILTER_1 KEYS_FILTER_2 KEYS_FILTER_3 \
 # Specials:
 KEYS_BROWSE="${KEYS_BROWSE:-"alt-b"}"
 KEYS_OPEN="${KEYS_OPEN:-"alt-o"}"
+KEYS_N_YANK="${KEYS_N_YANK:-"y"}"
+KEYS_YANK_CURRENT="${KEYS_YANK_CURRENT:-"ctrl-y"}"
 KEYS_SHOW_PLAYLIST="${KEYS_SHOW_PLAYLIST:-"ctrl-p"}"
 KEYS_QUIT="${KEYS_QUIT:-"ctrl-c"}"
 KEYS_N_QUIT="${KEYS_N_QUIT:-"q"}"
-export KEYS_BROWSE KEYS_OPEN KEYS_SHOW_PLAYLIST KEYS_QUIT KEYS_N_QUIT
+export KEYS_BROWSE KEYS_OPEN KEYS_N_YANK KEYS_YANK_CURRENT KEYS_SHOW_PLAYLIST \
+  KEYS_QUIT KEYS_N_QUIT
 
 # Playback:
 KEYS_PLAY="${KEYS_PLAY:-"enter"}"

src/sh/playback.sh

@@ -73,7 +73,7 @@ __generate_playlist() {
           (."artist-credit" | map([.name, .joinphrase] | join("")) | join("")),
           $deco
           ] | join("\t"),
-          length: (.length / 1000 | round | tostring),
+          length: (.length // 0 / 1000 | round | tostring),
           $pos,
           number: .number,
           file: $filenames[.id]

src/sh/tools.sh

@@ -39,5 +39,8 @@ if [ ! "${TOOLS_LOADED:-}" ]; then
   fi
   export SOCAT
 
+  command -v "xsel" >/dev/null && CLIP="xsel" || CLIP="true"
+  export CLIP
+
   export TOOLS_LOADED=1
 fi