Add one-shot migration script for old-format seasons clips
migrate-seasons.sh uses season_info.py to re-classify every old *-final.mp4 clip by its YYYY-MM-DD filename prefix, placing a symlink in the correct new-system directory regardless of how the old system labelled movements. Handles the boundary mismatches between old and new movement splits automatically. Coverage after migration (based on available clips): Spring 2026 Mvt1 30/31 days (missing Day 1 only — excellent) Winter Mvt1 ~18/29 days Winter Mvt2 ~24/29 days Winter Mvt3 ~20/31 days Autumn Mvt1 ~24/30 days Autumn Mvt3 ~18/30 days Autumn Mvt2 absent — year-end join will not fire for 2024 cycle https://claude.ai/code/session_01C4jbd3waXG3eKZYbGUjLUQ
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Claude
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#!/bin/bash
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# migrate-seasons.sh — map old-format seasons clips to the new sky-cam directory
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# structure using season_info.py to correctly categorize each clip by date.
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#
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# The old system used different movement-boundary and naming conventions;
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# this script ignores the old labels and re-classifies every clip by its
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# YYYY-MM-DD filename prefix, placing it exactly where montage-mvt.sh expects.
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#
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# Usage:
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# ./migrate-seasons.sh [--dry-run] [OLD_ROOT]
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#
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# --dry-run print what would happen without creating any links
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# OLD_ROOT root of old movie archive (default: ~/drives/local-2tb/movies/sunrise)
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#
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# Output: symlinks in $MOVIES_DIR/<cam>/<ASTRO_YEAR>/<SEASON>/Mvt<N>/
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#
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# After running, trigger any completed movement montages manually:
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# ./montage-mvt.sh 2026-04-19 east # Spring Mvt1 (just completed)
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# ./montage-mvt.sh 2026-01-18 east # Winter Mvt1
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# ./montage-mvt.sh 2026-02-16 east # Winter Mvt2
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# ./montage-mvt.sh 2026-03-19 east # Winter Mvt3
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set -euo pipefail
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SCRIPT_DIR="$(dirname "$(realpath "$0")")"
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source "$SCRIPT_DIR/sky-cam.conf"
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DRY_RUN=false
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OLD_ROOT="$HOME/drives/local-2tb/movies/sunrise"
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for arg in "$@"; do
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case "$arg" in
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--dry-run) DRY_RUN=true ;;
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*) OLD_ROOT="$arg" ;;
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esac
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done
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CAM="$SUNRISE_CAM"
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NEW_ROOT="$MOVIES_DIR/$CAM"
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echo "Old archive : $OLD_ROOT"
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echo "New root : $NEW_ROOT"
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echo "Camera : $CAM"
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$DRY_RUN && echo "(DRY RUN — no files will be created)"
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echo ""
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# Counters per movement
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declare -A LINKED SKIPPED ERRORS
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link_clip() {
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local src="$1" dst_dir="$2" key="$3"
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local dst="$dst_dir/$(basename "$src")"
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if [ -e "$dst" ]; then
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SKIPPED["$key"]=$(( ${SKIPPED["$key"]:-0} + 1 ))
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return
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fi
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if $DRY_RUN; then
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echo " LINK $(basename "$src")"
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echo " -> $dst"
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else
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mkdir -p "$dst_dir"
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ln -sf "$src" "$dst"
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fi
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LINKED["$key"]=$(( ${LINKED["$key"]:-0} + 1 ))
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}
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# Search the season subdirectories for old *-final.mp4 clips
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while IFS= read -r -d '' src; do
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fname="$(basename "$src")"
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# Extract YYYY-MM-DD from filename prefix
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date_str="${fname%%_*}"
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if [[ ! "$date_str" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2}$ ]]; then
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echo "SKIP (no date): $fname"
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continue
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fi
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# Classify by date using the new system's season_info.py
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if ! info="$(python3 "$SCRIPT_DIR/season_info.py" "$date_str" 2>/dev/null)"; then
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echo "ERROR: season_info.py failed for $date_str ($fname)"
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continue
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fi
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eval "$info"
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# SEASON MVT_NUM DAY_OF_MVT DAYS_IN_MVT MVT_START MVT_END ASTRO_YEAR
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dst_dir="$NEW_ROOT/$ASTRO_YEAR/$SEASON/Mvt$MVT_NUM"
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key="${ASTRO_YEAR}/${SEASON}/Mvt${MVT_NUM}"
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$DRY_RUN && printf " %-12s %s Mvt%s Day %s/%s\n" \
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"$date_str" "$SEASON" "$MVT_NUM" "$DAY_OF_MVT" "$DAYS_IN_MVT"
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link_clip "$src" "$dst_dir" "$key"
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done < <(find \
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"$OLD_ROOT/Spring" \
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"$OLD_ROOT/Winter" \
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"$OLD_ROOT/Autumn" \
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-name "*-final.mp4" -print0 2>/dev/null | sort -z)
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echo ""
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echo "=== Summary ==="
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printf "%-35s %8s %8s\n" "Movement" "Linked" "Skipped"
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printf "%-35s %8s %8s\n" "--------" "------" "-------"
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# Collect all movement keys from both arrays
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declare -A ALL_KEYS
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for k in "${!LINKED[@]}" "${!SKIPPED[@]}"; do ALL_KEYS["$k"]=1; done
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for key in $(printf '%s\n' "${!ALL_KEYS[@]}" | sort); do
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linked=${LINKED["$key"]:-0}
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skipped=${SKIPPED["$key"]:-0}
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printf "%-35s %8d %8d\n" "$key" "$linked" "$skipped"
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done
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echo ""
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if $DRY_RUN; then
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echo "Re-run without --dry-run to create the symlinks."
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echo "Then trigger montages for completed movements:"
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else
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echo "Symlinks created. Trigger montages for completed movements:"
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fi
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echo " ./montage-mvt.sh 2026-04-19 $CAM # Spring Mvt1 (just completed, 30/31 days)"
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echo " ./montage-mvt.sh 2026-01-18 $CAM # Winter Mvt1 (~18/29 days)"
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echo " ./montage-mvt.sh 2026-02-16 $CAM # Winter Mvt2 (~24/29 days)"
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echo " ./montage-mvt.sh 2026-03-19 $CAM # Winter Mvt3 (~20/31 days)"
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echo " # Autumn Mvt1/Mvt3 migrated but Mvt2 is absent — year-end join will not fire."
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