List ports that fetch from Github and have a top distfile updated over a year # ago.

check_github_ports.sh

#!/bin/sh

# List ports that fetch from Github and have a top distfile updated over a year
# ago.

# check whether portgrep is installed
if ! command -v portgrep > /dev/null 2>&1; then
        echo "portgrep is not installed. Please install it and try again."
        exit 1
fi

pgout=$(portgrep -oO "MASTER_SITES=.*github" USE_GITHUB | sort)
total_ghp=$(echo "$pgout" | wc -w | awk '{$1=$1};1')
old_ghp=0
outfile="./old_github_ports.out"
touch "$outfile"

yats=$(date -v-1y "+%s")
for ghport in $pgout; do
        dts=$(grep "^TIMESTAMP" "/usr/ports/$ghport/distinfo" \
              2>/dev/null | cut -w -f3)
        if [ -z "$dts" ] || [ "$dts" -lt "$yats" ]; then
                old_ghp=$((old_ghp + 1))
                echo "$ghport" >> "$outfile"
        fi        
done

echo "Of the ports that fetch from GitHub, $old_ghp of $total_ghp" \
     "($((old_ghp*100/total_ghp))%) have a top distfile that has not been" \
     "updated in over a year."
cat "$outfile"

## output

## Of the ports that fetch from GitHub, 3922 of 7180 (54%) have a top distfile
## that has not been updated in over a year.