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#!/bin/bash

# run at nice 5. it can churn quite a bit of cpu after all.
renice +5 -p $$ > /dev/null

# setup paths
SPATH="/srv/http/archweb"
ARCHES="i686 x86_64"
# having "more important repos" last should make [core] trickle to the top of
# the updates list each hour rather than being overwhelmed by big [extra] and
# [community] updates
REPOS="community-testing multilib community extra testing core"
LOGOUT="/tmp/archweb_update.log"

# figure out what operation to perform
cmd="$(basename $0)"
if [[ $cmd != "update-web-db" && $cmd != "update-web-files-db" ]]; then
	echo "Invalid command name '$cmd' specified!"
	exit 1
fi

echo "$cmd: Updating DB at $(date)" >> "${LOGOUT}"

## do the dirty, then output the result to a file.
cd $SPATH
for arch in ${ARCHES}; do
    for repo in ${REPOS}; do
		case "$cmd" in
			update-web-db)
				dbfile="/srv/ftp/${repo}/os/${arch}/${repo}.db.tar.gz"
				flags="" ;;
			update-web-files-db)
				dbfile="/srv/ftp/${repo}/os/${arch}/${repo}.files.tar.gz"
				flags="--filesonly" ;;
		esac
		if [[ -f $dbfile ]]; then
			echo "Updating ${repo}-${arch}"
			./manage.py reporead ${flags} ${arch} ${dbfile}
			echo ""
		fi
    done
done >> "${LOGOUT}" 2>&1

echo "" >> "${LOGOUT}"

# rotate the file if it is getting big (> 10M), overwriting any old backup
if [[ $(stat -c%s "${LOGOUT}") -gt 10485760 ]]; then
	mv "${LOGOUT}" "${LOGOUT}.old"
fi