#!/bin/bash
#
# Marcelo Ricardo Leitner - Properly clean Iurt cache pool - 20070615
#

# Cache topdir
TOPDIR=/export/home/iurt_cache/

# Official distros topdir
OFFICIAL_DIR=/mnt/BIG/dis/

# Maximum number of days a package is allowed to be in the cache
AGE=4

# Email to be notified about wrong uploads
MAILTO=distrib-admin@mandrivalinux.org


#
# Remove all packages generated by a given .src.rpm
#
function clean_package() {
    distro="$1"
    section="$2"
    srpm="$3"

    echo -e "Cleaning all packages generated by\n $srpm."
    find "$TOPDIR/$distro/$section" -name '*.rpm' ! -name '*.src.rpm' |\
	xargs rpm -qp --qf '%{SOURCERPM} %{name}-%{version}-%{release}.%{arch}.rpm\n' |\
	sed -n "s@^$srpm @$TOPDIR/$distro/$section/@p" |\
	xargs rm -fv "$TOPDIR/$distro/$section/$srpm"
}

#
# Cleans a released package
#
function clean() {
    distro="$1"
    section="$2"
    srpm="$3"

    echo "Package released. We can remove it now."
    clean_package "$distro" "$section" "$srpm"
}

#
# Cleans an aged package
#
function age_timeout() {
    distro="$1"
    section="$2"
    srpm="$3"

    echo "Package expired. We can remove it now."
    clean_package "$distro" "$section" "$srpm"
}

#
# Send a warn about packages that goes to wrong sections.
#
function wrong_section() {
    distro="$1"
    section="$2"
    srpm="$3"
    hits="$4"

    wrong_section=$(echo "$hits" | sed "s@$OFFICIAL_DIR/$distro/SRPMS/@@;s@/$srpm@@")

    echo "Package uploaded to a wrong section!"
    echo "It went to $wrong_section while should have hit $section!"
    mail -s "Package $srpm uploaded to section for $distro" $MAILTO <<_EOF_
Distro: $distro
Package: $srpm
Wanted section: $section
Final section: $wrong_section

It happened again!

I'm holding it on the cache probably for more $AGE days.
_EOF_
}

#
# Search for the .src.rpm's
#
ls "$TOPDIR" |\
while read distro; do
    find -L "$TOPDIR/$distro" -type f -name *.src.rpm |\
	    sed "s@$TOPDIR/$distro/@@;s@/\([^/]\+\)\$@ \1@" |\
	    while read section srpm; do
		echo
		echo "Checking $distro/$section/$srpm"

		# Check if the package was released
		if [ -e "$OFFICIAL_DIR/$distro/SRPMS/$section/$srpm" ]; then
		    clean "$distro" "$section" "$srpm"
		    continue
		fi

		# Check for age timeout
		z=$(find "$OFFICIAL_DIR/$distro/SRPMS/$section/$srpm" -ctime +$AGE -name "$srpm" 2> /dev/null)
		if [ -n "$z" ]; then
		    age_timeout "$distro" "$section" "$srpm"
		    continue
		fi

		# Check for wrong section
		z=$(find "$OFFICIAL_DIR/$distro/SRPMS" -type f -name "$srpm")
		if [ -n "$z" ]; then
		    wrong_section "$distro" "$section" "$srpm" "$z"
		    continue
		fi

		# Package should remain on cache
		echo "Package should remain on cache."
	    done
done