download_mars.sh - mozsearch

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#!/bin/bash

download_mars () {

    update_url="$1"

    only="$2"

    test_only="$3"

    to_build_id="$4"

    to_app_version="$5"

    to_display_version="$6"

    max_tries=5

    try=1

    # retrying until we get offered an update

    while [ "$try" -le "$max_tries" ]; do

        echo "Using  $update_url"

        # retrying until AUS gives us any response at all

        cached_download update.xml "${update_url}"

        echo "Got this response:"

        cat update.xml

        # If the first line after <updates> is </updates> then we have an

        # empty snippet. Otherwise we're done

        if [ "$(grep -A1 '<updates>' update.xml | tail -1)" != "</updates>" ]; then

            break;

fi

        echo "Empty response, sleeping"

        sleep 5

        try=$((try+1))

    done

    echo; echo;  # padding

    update_line=$(grep -F "<update " update.xml)

    grep_rv=$?

    if [ 0 -ne $grep_rv ]; then

        echo "TEST-UNEXPECTED-FAIL: no <update/> found for $update_url"

        return 1

fi

    command=$(echo "$update_line" | sed -e 's/^.*<update //' -e 's:>.*$::' -e 's:\&amp;:\&:g')

    eval "export $command"

    # buildID and some other variables further down are gathered by eval'ing

    # the massaged `update.xml` file a bit further up. Because of this, shellcheck

    # cannot verify their existence, and gets grumpy. Ideally we would do this

    # differently, but it's not worth the trouble at the time of writing.

    # shellcheck disable=SC2154

    if [ -n "$to_build_id" ] && [ "$buildID" != "$to_build_id" ]; then

        echo "TEST-UNEXPECTED-FAIL: expected buildID $to_build_id does not match actual $buildID"

        return 1

fi

    # shellcheck disable=SC2154

    if [ -n "$to_display_version" ] && [ "$displayVersion" != "$to_display_version" ]; then

        echo "TEST-UNEXPECTED-FAIL: expected displayVersion $to_display_version does not match actual $displayVersion"

        return 1

fi

    # shellcheck disable=SC2154

    if [ -n "$to_app_version" ] && [ "$appVersion" != "$to_app_version" ]; then

        echo "TEST-UNEXPECTED-FAIL: expected appVersion $to_app_version does not match actual $appVersion"

        return 1

fi

    mkdir -p update/

    if [ -z "$only" ]; then

      only="partial complete"

fi

    for patch_type in $only

do

      line=$(grep -F "patch type=\"$patch_type" update.xml)

      grep_rv=$?

      if [ 0 -ne $grep_rv ]; then

        echo "TEST-UNEXPECTED-FAIL: no $patch_type update found for $update_url"

        return 1

fi

      command=$(echo "$line" | sed -e 's/^.*<patch //' -e 's:/>.*$::' -e 's:\&amp;:\&:g')

      eval "export $command"

      if [ "$test_only" == "1" ]

      then

        echo "Testing $URL"

        curl -s -I -L "$URL"

        return

      else

        if ! cached_download "update/${patch_type}.mar" "${URL}"; then

          echo "Could not download $patch_type!"

          echo "from: $URL"

fi

fi

      actual_size=$(perl -e "printf \"%d\n\", (stat(\"update/$patch_type.mar\"))[7]")

      # shellcheck disable=SC2154

      actual_hash=$(openssl dgst -"$hashFunction" update/"$patch_type".mar | sed -e 's/^.*= //')

      # shellcheck disable=SC2154

      if [ "$actual_size" != "$size" ]; then

          echo "TEST-UNEXPECTED-FAIL: $patch_type from $update_url wrong size"

          # shellcheck disable=SC2154

          echo "TEST-UNEXPECTED-FAIL: update.xml size: $size"

          echo "TEST-UNEXPECTED-FAIL: actual size: $actual_size"

          return 1

fi

      # shellcheck disable=SC2154

      if [ "$actual_hash" != "$hashValue" ]; then

          echo "TEST-UNEXPECTED-FAIL: $patch_type from $update_url wrong hash"

          # shellcheck disable=SC2154

          echo "TEST-UNEXPECTED-FAIL: update.xml hash: $hashValue"

          echo "TEST-UNEXPECTED-FAIL: actual hash: $actual_hash"

          return 1

fi

      cp update/"$patch_type".mar update/update.mar

      echo "$actual_size" > update/"$patch_type".size

    done