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emacs-config/process-mail.sh

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#!/bin/bash
# Simplified mail processing script
# Now that Proton handles filtering server-side, we just sync and optionally archive
# Configuration
MAILDIR="$HOME/Maildir"
ARCHIVE_LISTS=true # Set to false if you don't want local date-based archives
# Function to fix List-Id headers for SimpleLogin forwarded messages
fix_list_headers() {
echo "Processing mailing list messages to fix List-Id headers..."
local count=0
local fixed=0
# Process all messages in Lists folder and subfolders
# This includes both /Personal/Lists/{new,cur} and /Personal/Lists/*/{new,cur}
find "$MAILDIR/Personal/Lists" -type f \( -path "*/new/*" -o -path "*/cur/*" \) | while read -r msg; do
((count++))
# Check if this message has X-Simplelogin-Original-List-Id but no List-Id
if grep -q "^X-Simplelogin-Original-List-Id:" "$msg" 2>/dev/null && ! grep -q "^List-Id:" "$msg" 2>/dev/null; then
# Extract the original List-Id value
LIST_ID=$(grep "^X-Simplelogin-Original-List-Id:" "$msg" | sed 's/^X-Simplelogin-Original-List-Id: //')
if [ -n "$LIST_ID" ]; then
# Create a temporary file with the new header
TEMP_FILE=$(mktemp)
# Add List-Id header after the first occurrence of X-Simplelogin headers
awk -v list_id="$LIST_ID" '
!added && /^X-Simplelogin-Original-List-Id:/ {
print "List-Id: " list_id
added = 1
}
{ print }
' "$msg" > "$TEMP_FILE"
# Replace the original file
mv "$TEMP_FILE" "$msg"
((fixed++))
# Show progress every 100 messages
if [ $((fixed % 100)) -eq 0 ]; then
echo " Fixed $fixed messages so far..."
fi
fi
fi
done
echo " Processed $count messages, fixed $fixed missing List-Id headers"
}
# Function to create date-based archive of Lists folder
archive_lists() {
if [ "$ARCHIVE_LISTS" != "true" ]; then
return
fi
echo "Creating local date-based archives of mailing lists..."
local year=$(date +%Y)
local month=$(date +%m)
local day=$(date +%d)
# Process messages in Lists folder
if [ -d "$MAILDIR/Personal/Lists" ]; then
find "$MAILDIR/Personal/Lists"/{new,cur} -type f 2>/dev/null | while read -r msg; do
# Determine which list this belongs to based on List-Id header
LIST_NAME=""
if grep -q "List-Id:.*linux-kernel\.vger\.kernel\.org" "$msg" 2>/dev/null; then
LIST_NAME="linux-kernel"
elif grep -q "List-Id:.*std-discussion\.lists\.isocpp\.org" "$msg" 2>/dev/null; then
LIST_NAME="std-discussion"
elif grep -q "List-Id:.*gcc\.gnu\.gcc\.org" "$msg" 2>/dev/null; then
LIST_NAME="gcc"
elif grep -q "List-Id:.*interest\.qt-project\.org" "$msg" 2>/dev/null; then
LIST_NAME="qt-interest"
elif grep -q "List-Id:.*boost-announce\.lists\.boost\.org" "$msg" 2>/dev/null; then
LIST_NAME="boost-announce"
elif grep -q "List-Id:.*boost-interest\.lists\.boost\.org" "$msg" 2>/dev/null; then
LIST_NAME="boost-interest"
elif grep -q "List-Id:.*boost\.lists\.boost\.org" "$msg" 2>/dev/null; then
LIST_NAME="boost"
elif grep -q "List-Id:" "$msg" 2>/dev/null; then
# Extract list name from List-Id header
LIST_NAME=$(grep "List-Id:" "$msg" | sed -n 's/.*<\([^.]*\)\..*/\1/p' | head -1)
if [ -z "$LIST_NAME" ]; then
LIST_NAME="misc"
fi
fi
# If we identified a list, create archive copy
if [ -n "$LIST_NAME" ]; then
ARCHIVE_DIR="$MAILDIR/Personal/Archive/Lists/$LIST_NAME/$year/$month/$day"
mkdir -p "$ARCHIVE_DIR"/{new,cur,tmp}
# Determine target directory (new or cur)
if [[ "$msg" == */new/* ]]; then
TARGET_DIR="$ARCHIVE_DIR/new"
else
TARGET_DIR="$ARCHIVE_DIR/cur"
fi
# Copy if not already archived
BASENAME=$(basename "$msg")
if [ ! -f "$TARGET_DIR/$BASENAME" ]; then
cp "$msg" "$TARGET_DIR/"
fi
fi
done
fi
}
# Main processing
echo "=========================================="
echo "Mail Processing Started: $(date)"
echo "=========================================="
# Step 1: Sync mail with mbsync
echo ""
echo "Step 1: Syncing mail with mbsync..."
mbsync -a
SYNC_STATUS=$?
if [ $SYNC_STATUS -ne 0 ]; then
echo "Note: mbsync returned status $SYNC_STATUS"
echo "This can be normal if some folders are not yet created on the server."
fi
# Step 2: Fix List-Id headers for SimpleLogin forwarded messages
echo ""
echo "Step 2: Fixing List-Id headers for mailing lists..."
fix_list_headers
# Step 3: Create local archives (optional)
if [ "$ARCHIVE_LISTS" = "true" ]; then
echo ""
echo "Step 3: Creating local date-based archives..."
archive_lists
else
echo ""
echo "Step 3: Skipping local archives (disabled)"
fi
# Step 4: Update mu index
echo ""
echo "Step 4: Updating mu index..."
mu index --quiet
# Step 5: Show summary
echo ""
echo "=========================================="
echo "Mail Processing Complete: $(date)"
echo "=========================================="
# Show folder statistics
echo ""
echo "Mail folder summary:"
echo " INBOX: $(find "$MAILDIR/Personal/INBOX" -type f 2>/dev/null | wc -l) messages"
echo " Lists: $(find "$MAILDIR/Personal/Lists" -type f 2>/dev/null | wc -l) messages"
if [ "$ARCHIVE_LISTS" = "true" ] && [ -d "$MAILDIR/Personal/Archive/Lists" ]; then
echo ""
echo "Local archives:"
find "$MAILDIR/Personal/Archive/Lists" -maxdepth 1 -type d -name "[a-z]*" 2>/dev/null | sort | while read -r dir; do
count=$(find "$dir" -type f 2>/dev/null | wc -l)
if [ $count -gt 0 ]; then
printf " %-20s %d messages\n" "$(basename "$dir"):" "$count"
fi
done
fi
exit 0