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@ -25,21 +25,39 @@ for TYPE in "$@"; do
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echo -e "MIRROR_HOST=$GITIAN_HOST_IP bin/make-base-vm --lxc --arch $TYPE --suite $SUITE"
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done | parallel -j$# || exit $?
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function retry_remove() {
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local RETRIES="$1"
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local LOOP="$2"
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while ! sudo losetup -d "/dev/loop${LOOP}" 2>/dev/null; do
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let RETRIES-=1
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if [ $RETRIES -eq 0 ]; then
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echo "Failed removing /dev/loop${LOOP}" 1>&2
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return 1
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fi
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sleep 1
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done
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sudo unlink /dev/mapper/loop${LOOP}p1 2>/dev/null
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}
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## this function corresponds to part removed from gbuild via custom patch
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function ext_partition() {
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local loop
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local OUT=$1
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echo "Extracting $OUT partition for lxc" && \
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echo "Converting $OUT to raw format..." && \
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qemu-img convert $OUT.qcow2 $OUT.raw && \
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loop=`sudo kpartx -av $OUT.raw|sed -n '/loop.p1/{s/.*loop\(.\)p1.*/\1/;p}'` || return $?
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echo -n "Identifying partition..." && \
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set -o pipefail && \
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loop=`sudo kpartx -av $OUT.raw | sed -n '/loop.p1/{s/.*loop\(.\)p1.*/\1/;p}'` && \
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echo ": $loop" && \
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echo "Copying partition to $OUT..." && \
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sudo cp --sparse=always /dev/mapper/loop${loop}p1 $OUT && \
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sudo chown $USER $OUT || return $?
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## following 2 lines are a sloppy hack to an unknown problem with kpartx
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sudo sync && \
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sleep 5 || return $?
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## these are silenced because if former fails, second doesn't and viceversa
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sudo kpartx -d /dev/loop$loop 2>/dev/null && \
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sudo rm /dev/mapper/loop${loop}p1 2>/dev/null && \
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rm -f $OUT.raw
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echo "Removing partition loop mount..." && \
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retry_remove 5 "$loop" && \
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echo "Removing raw image..." && \
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rm -f "$OUT.raw" && \
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echo "$OUT correctly extracted"
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}
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for TYPE in "$@"; do
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