Add support for stream aliases

Signed-off-by: Knut Ahlers <knut@ahlers.me>

bin/mpc-yt

@@ -1,14 +1,23 @@
 #!/bin/bash
 set -euo pipefail
 
+declare -A streamalias
+
 source ${HOME}/bin/script_framework.sh
 
+[ -f ${HOME}/.config/mpc-yt.cfg ] && source ${HOME}/.config/mpc-yt.cfg
+
 ydl=$(which youtube-dl)
 yurl=${1:-}
 
 [ -n "${ydl}" ] || fail "Missing youtube-dl command"
 [ -n "${yurl}" ] || fail "Missing YouTube URL"
 
+[ -n "${streamalias[${yurl}]:-}" ] && {
+	info "Found alias \"${yurl}\", continuing with configured URL \"${streamalias[${yurl}]}\""
+	yurl=${streamalias[${yurl}]}
+}
+
 step "Fetching video information..."
 title=$(${ydl} -e ${yurl})
 playlist=$(${ydl} -g ${yurl})