1download_mars () {
2    update_url="$1"
3    only="$2"
4    test_only="$3"
5    to_build_id="$4"
6    to_app_version="$5"
7    to_display_version="$6"
8
9    max_tries=5
10    try=1
11    # retrying until we get offered an update
12    while [ "$try" -le "$max_tries" ]; do
13        echo "Using  $update_url"
14        # retrying until AUS gives us any response at all
15        cached_download update.xml "${update_url}"
16
17        echo "Got this response:"
18        cat update.xml
19        # If the first line after <updates> is </updates> then we have an
20        # empty snippet. Otherwise we're done
21        if [ "$(grep -A1 '<updates>' update.xml | tail -1)" != "</updates>" ]; then
22            break;
23        fi
24        echo "Empty response, sleeping"
25        sleep 5
26        try=$(($try+1))
27    done
28
29    echo; echo;  # padding
30
31    update_line=`fgrep "<update " update.xml`
32    grep_rv=$?
33    if [ 0 -ne $grep_rv ]; then
34        echo "TEST-UNEXPECTED-FAIL: no <update/> found for $update_url"
35        return 1
36    fi
37    command=`echo $update_line | sed -e 's/^.*<update //' -e 's:>.*$::' -e 's:\&amp;:\&:g'`
38    eval "export $command"
39
40    if [ ! -z "$to_build_id" -a "$buildID" != "$to_build_id" ]; then
41        echo "TEST-UNEXPECTED-FAIL: expected buildID $to_build_id does not match actual $buildID"
42        return 1
43    fi
44
45    if [ ! -z "$to_display_version" -a "$displayVersion" != "$to_display_version" ]; then
46        echo "TEST-UNEXPECTED-FAIL: expected displayVersion $to_display_version does not match actual $displayVersion"
47        return 1
48    fi
49
50    if [ ! -z "$to_app_version" -a "$appVersion" != "$to_app_version" ]; then
51        echo "TEST-UNEXPECTED-FAIL: expected appVersion $to_app_version does not match actual $appVersion"
52        return 1
53    fi
54
55    mkdir -p update/
56    if [ -z $only ]; then
57      only="partial complete"
58    fi
59    for patch_type in $only
60      do
61      line=`fgrep "patch type=\"$patch_type" update.xml`
62      grep_rv=$?
63
64      if [ 0 -ne $grep_rv ]; then
65        echo "TEST-UNEXPECTED-FAIL: no $patch_type update found for $update_url"
66        return 1
67      fi
68
69      command=`echo $line | sed -e 's/^.*<patch //' -e 's:/>.*$::' -e 's:\&amp;:\&:g'`
70      eval "export $command"
71
72      if [ "$test_only" == "1" ]
73      then
74        echo "Testing $URL"
75        curl -s -I -L $URL
76        return
77      else
78        cached_download "update/${patch_type}.mar" "${URL}"
79      fi
80      if [ "$?" != 0 ]; then
81        echo "Could not download $patch_type!"
82        echo "from: $URL"
83      fi
84      actual_size=`perl -e "printf \"%d\n\", (stat(\"update/$patch_type.mar\"))[7]"`
85      actual_hash=`openssl dgst -$hashFunction update/$patch_type.mar | sed -e 's/^.*= //'`
86
87      if [ $actual_size != $size ]; then
88          echo "TEST-UNEXPECTED-FAIL: $patch_type from $update_url wrong size"
89          echo "TEST-UNEXPECTED-FAIL: update.xml size: $size"
90          echo "TEST-UNEXPECTED-FAIL: actual size: $actual_size"
91          return 1
92      fi
93
94      if [ $actual_hash != $hashValue ]; then
95          echo "TEST-UNEXPECTED-FAIL: $patch_type from $update_url wrong hash"
96          echo "TEST-UNEXPECTED-FAIL: update.xml hash: $hashValue"
97          echo "TEST-UNEXPECTED-FAIL: actual hash: $actual_hash"
98          return 1
99      fi
100
101      cp update/$patch_type.mar update/update.mar
102      echo $actual_size > update/$patch_type.size
103
104    done
105}
106