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0.6.8: Pin sldl skip index + fix dedup scan blinded by the path rewrite

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Two bugs conspired to fill the library with .1.flac duplicates on the
night of 2026-07-15/16:

1. sldl derives its skip-index folder from the input: the Spotify
   playlist display name before 0.6.2, the CSV filename after. The
   switch stranded every playlist's download history in the old
   emoji-named subfolder, so sldl started from an empty index and
   re-downloaded every playlist in full. Fix: pin index-path in
   _template.conf, seed the pinned file from all stranded indexes
   (merge-sldl-indexes.py, called from run-playlist.sh whenever the
   pinned index is missing or older than a stranded one). Recovered
   rows keep the CSV-era identity fields but are marked downloaded, so
   tracks that failed last night yet exist in the library since months
   ago are not fetched again.

2. The safety net that should have flagged the flood, dedup-library.sh,
   has silently reported 0 groups since the 2026-07-08 path rewrite:
   host_path() still assumed /music/... display paths and prepended the
   library dir to already-correct /data/music/Library/... paths, so
   every candidate failed the -f check. Fix: pass real paths through
   unchanged, keep the /music prefix swap only for legacy entries.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
andrew
2026-07-16 09:23:53 -06:00
parent 24738d815f
commit d756aab7fc
5 changed files with 173 additions and 10 deletions
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pipeline/configs/_template.conf
+12
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@@ -31,6 +31,18 @@ path = SLDL_DROPBOX_ROOT/PLAYLIST_NAME
playlist-path = SLDL_DROPBOX_ROOT/PLAYLIST_NAME/_sldl.m3u8
write-playlist = true
# ==== Skip index (pinned!) ====
# sldl's already-downloaded index defaults to {path}/{playlist-name}/_index.csv
# where {playlist-name} is derived from the INPUT: the Spotify playlist's
# display name for spotify input, the CSV filename for csv input. beets moves
# every download out of the dropbox, so this index is the ONLY thing standing
# between a nightly run and re-downloading the whole playlist. When 0.6.2
# switched input from Spotify URL to CSV, the derived name changed, sldl
# started a fresh empty index in a new subfolder, and every playlist
# re-downloaded in full on 2026-07-16. Pinning the path here decouples the
# index from input naming so that can never happen again.
index-path = SLDL_DROPBOX_ROOT/PLAYLIST_NAME/_index.csv
# ==== Naming ====
name-format = {artist} - {title}