#!/bin/bash

# Helper script to requeue a build that has failed, due to missing
# source, missing build-deps etc.

IN=/home/build/in
LOGS=/home/build/logs
SOURCES=/mirror/debian/dists/unstable/main/source/Sources.gz
MAX_BUILD_NUM=$(ls -1 $IN | tail -1 | sed 's,\..*$,,')

cd $IN

for file in $@; do
    if [ ! -e $file ] && [ -e $file.proc ]; then
	file=$file.proc
    fi
    if [ ! -e $file ]; then
	echo "Ignoring non-existent $file"
	continue
    fi
    BASE=$(basename $file .proc)
    PKG_VER_ARCH=$(cat $file)
    PKG=$(echo $PKG_VER_ARCH | cut -d _ -f1)
    VER=$(echo $PKG_VER_ARCH | cut -d _ -f2)
    ARCH=$(echo $PKG_VER_ARCH | cut -d _ -f3)
    if [ -f ${LOGS}/${ARCH}/PASS/${PKG}_${VER}_${ARCH}.log ]; then
	echo "Ignoring successfully-built $file: $PKG_VER_ARCH"
	continue
    fi
    if [ -f ${LOGS}/${ARCH}/FAIL/${PKG}_${VER}_${ARCH}.log ]; then
	echo "Ignoring failed $file: $PKG_VER_ARCH"
	continue
    fi
#    echo "Original build attempt source-failed for $file: $PKG_VER_ARCH"
    echo "  Old version was $VER"
    echo "  Checking what version now exists"
    NEW_VER=$(zcat $SOURCES | grep-dctrl -S -X ${PKG} -s version | awk '{print $2}' | tail -1)
    if [ "$NEW_VER"x = ""x ]; then
	echo "  Can't find any version for $PKG now, giving up"
    else
	if [ "$NEW_VER"x = "$VER"x ]; then
	    echo "  Same version still exists!"
	    if [ -f ${LOGS}/${ARCH}/FAIL_SOURCE/${PKG}_${VER}_${ARCH}.log ]; then
		echo "  Moving old log file to one side"
		mv ${LOGS}/${ARCH}/FAIL_SOURCE/${PKG}_${VER}_${ARCH}.log ${LOGS}/${ARCH}/FAIL_SOURCE/${PKG}_${VER}_${ARCH}.log.1
	    fi
	    echo "  And requeueing"
	    rm -f $BASE.proc
	    echo "${PKG}_${VER}_${ARCH}" > $BASE.q
	else
	    echo "  Version moved from $VER to $NEW_VER"
	    echo "  Deleting old log file"
	    rm -f  ${LOGS}/${ARCH}/FAIL_SOURCE/${PKG}_${VER}_${ARCH}.log
	    echo "  And queueing new version"
	    MAX_BUILD_NUM=$(($MAX_BUILD_NUM + 1))
	    echo "${PKG}_${NEW_VER}_${ARCH}" > ${MAX_BUILD_NUM}.q
	    ls -l ${MAX_BUILD_NUM}.q
	fi
    fi
done