# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
-
-CACHE_DIR="$(pwd)/cache"
+source ./variables.sh
# Make sure the cache dir exists
function cache_dir {
+ if [ -f $CACHE_DIR ]; then rm -rf $CACHE_DIR; fi
if [ ! -d $CACHE_DIR/ ]; then mkdir $CACHE_DIR/; fi
- if [ ! -f $CACHE_DIR/.cache ]; then touch $CACHE_DIR/.cache; fi
+ if [ ! -f $CACHE_DIR/$CACHE_HISTORY ]; then touch $CACHE_DIR/$CACHE_HISTORY; fi
echo "Cache Dir: $CACHE_DIR"
}
-function cache_git_tar {
- echo "cache_git_tar git ls-remote"
-}
-
# $1 = download url
# $2 = filename to write to
function curl_file {
until curl -C- -L -o $CACHE_DIR/$2 $1 || (( count++ >= 20 )); do
echo -n '' #do nothing, we just want to loop
done
- sed -i "/$2/d" $CACHE_DIR/.cache
- echo "$(md5sum $CACHE_DIR/$2) $2" >> $CACHE_DIR/.cache
+ sed -i "/$2/d" $CACHE_DIR/$CACHE_HISTORY
+ echo "$(md5sum $CACHE_DIR/$2) $2" >> $CACHE_DIR/$CACHE_HISTORY
}
# $1 = download url
+# $2 = remote md5
function populate_cache {
local my_md5
cache_dir
# get the file name
filename="${1##*/}"
+ # copy passed in md5
+ remote_md5=$2
# check if the cache file exists
# and if it has an md5 compare that
- echo "Checking cache file exists: ${filename}"
+ echo "Checking if cache file exists: ${filename}"
if [ ! -f $CACHE_DIR/${filename} ]; then
echo "Cache file: ${CACHE_DIR}/${filename} missing...will download..."
curl_file $1 $filename
else
echo "Cache file exists...comparing MD5 checksum"
- remote_md5="$(curl -sf -L ${1}.md5 | awk {'print $1'})"
+ if [ -z "$remote_md5" ]; then
+ remote_md5="$(curl -sf -L ${1}.md5 | awk {'print $1'})"
+ fi
if [ -z "$remote_md5" ]; then
echo "Got empty MD5 from remote for $filename, skipping MD5 check"
curl_file $1 $filename
else
- my_md5=$(grep ${filename} $CACHE_DIR/.cache | awk {'print $1'})
+ my_md5=$(grep ${filename} ${CACHE_DIR}/${CACHE_HISTORY} | awk {'print $1'})
+ if [ -z "$my_md5" ]; then
+ echo "${filename} missing in ${CACHE_HISTORY} file. Caculating md5..."
+ my_md5=$(md5sum ${CACHE_DIR}/${filename} | awk {'print $1'})
+ fi
if [ "$remote_md5" != "$my_md5" ]; then
- echo "MD5 mismatch: Remote MD5 is ${remote_md5}, Cache file MD5 is ${my_md5}"
+ echo "MD5 mismatch, local cache file MD5 is ${my_md5}"
+ echo " remote cache file MD5 is ${remote_md5}"
echo "Downloading $filename"
curl_file $1 $filename
else
fi
fi
}
-
-# $1 = filename to get from cache
-function get_cached_file {
- cp -f $CACHE_DIR/$1 .
-}