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#!/bin/sh
# Copyright (C) 2012 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Remove all chunk artifacts in the cache except the newest. Morph does
# not currently clean its caches at any point, so this script is necessary
# to avoid running out of disk space.
set -e
usage() {
echo "Usage: clean-artifact-cache [--all] [CHUNK_NAME]"
echo
echo "WARNING: this script removes all but the chunks with the latest"
echo "mtimes. This is usually what you want, but you should try the"
echo "script on a small chunk first and trigger a rebuild to make sure"
echo "that you are not removing artifacts that you still want."
}
if [ -z $1 ]; then
usage
exit 0
fi
CHUNK=
case $1 in
--all)
CHUNK=*
;;
-*)
usage
exit 0
;;
*)
CHUNK=$1
esac
clean_chunk() {
ARTIFACT_COUNT=$(ls *.chunk.$1 | wc -l)
if [ $ARTIFACT_COUNT -lt 2 ]; then
return
fi
echo "$1: $(expr $ARTIFACT_COUNT - 1) stale artifact(s)"
SKIPPED_LATEST=
for f in $(ls -1t *.chunk.$1); do
if [ -z "$SKIPPED_LATEST" ]; then
SKIPPED_LATEST=yes
else
rm $(echo $f | cut -c -64).build-log
rm $(echo $f | cut -c -64).meta
rm $(echo $f | cut -c -64).chunk.$1
fi
done
}
test "x$MORPH" = "x" && MORPH=morph
CACHE_DIR=$($MORPH --dump-config | grep cachedir | awk '{print $3}')
ARTIFACT_CACHE="${CACHE_DIR}/artifacts"
cd $ARTIFACT_CACHE
SIZE_BEFORE=$(du -sh . | cut -f 1)
if [ "$CHUNK" = "*" ]; then
echo "Removing ALL out-of-date chunk artifacts in $ARTIFACT_CACHE"
for chunk in $(ls *.chunk.* | cut -d '.' -f 3-); do
clean_chunk $chunk
done
else
echo "Removing out of date artifacts for chunk $CHUNK in $ARTIFACT_CACHE"
clean_chunk $CHUNK
fi
SIZE_AFTER=$(du -sh . | cut -f 1)
echo "Artifact cache size before: $SIZE_BEFORE after: $SIZE_AFTER"
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