2 ##############################################################################
3 # Copyright (c) 2016 Red Hat Inc.
4 # Dan Radez <dradez@redhat.com>
5 # All rights reserved. This program and the accompanying materials
6 # are made available under the terms of the Apache License, Version 2.0
7 # which accompanies this distribution, and is available at
8 # http://www.apache.org/licenses/LICENSE-2.0
9 ##############################################################################
11 CACHE_DIR="$(pwd)/cache"
13 # Make sure the cache dir exists
15 if [ ! -d $CACHE_DIR/ ]; then mkdir $CACHE_DIR/; fi
16 if [ ! -f $CACHE_DIR/.cache ]; then touch $CACHE_DIR/.cache; fi
17 echo "Cache Dir: $CACHE_DIR"
20 function cache_git_tar {
21 echo "cache_git_tar git ls-remote"
25 # $2 = filename to write to
28 echo "Cache download location: $CACHE_DIR/$2"
29 until curl -C- -L -o $CACHE_DIR/$2 $1 || (( count++ >= 20 )); do
30 echo -n '' #do nothing, we just want to loop
32 sed -i "/$2/d" $CACHE_DIR/.cache
33 echo "$(md5sum $CACHE_DIR/$2) $2" >> $CACHE_DIR/.cache
37 function populate_cache {
44 # check if the cache file exists
45 # and if it has an md5 compare that
46 echo "Checking cache file exists: ${filename}"
47 if [ ! -f $CACHE_DIR/${filename} ]; then
48 echo "Cache file: ${CACHE_DIR}/${filename} missing...will download..."
49 curl_file $1 $filename
51 echo "Cache file exists...comparing MD5 checksum"
52 remote_md5="$(curl -sf -L ${1}.md5 | awk {'print $1'})"
53 if [ -z "$remote_md5" ]; then
54 echo "Got empty MD5 from remote for $filename, skipping MD5 check"
55 curl_file $1 $filename
57 my_md5=$(grep ${filename} $CACHE_DIR/.cache | awk {'print $1'})
58 if [ "$remote_md5" != "$my_md5" ]; then
59 echo "MD5 mismatch: Remote MD5 is ${remote_md5}, Cache file MD5 is ${my_md5}"
60 echo "Downloading $filename"
61 curl_file $1 $filename
63 echo "Will use cache for ${filename}"
69 # $1 = filename to get from cache
70 function get_cached_file {