On Tue, Jun 26, 2012 at 1:37 PM, vishnu kulkarni <vishnu5876@gmail.com> wrote:

Hi All,

I'm trying to package firefox app with preflight script to kill the app and trash the app before installing a fresh copy. The script works pretty fine with the package. When I try to add system requirements to the package it gets failed.

I'm pretty new to packaging . Below are my queries. Please address

1) When I include minimum available hard disk bytes on target , It creates a Distribution.dist file inside the package. ( Not sure of the reason.)

Because requirements can be defined only from within a distribution.

2) When I include memory requirement and include the preflight script it works fine. ( For memory it does not create a .dist file)

For memory, it should create a .dist file too to write the pm_install_check function.

I have pasted the details of the .dist file below.

<?xml version="1.0" encoding="utf-8" standalone="no"?> <installer-script minSpecVersion="1.000000" authoringTool="com.apple.PackageMaker" authoringToolVersion="3.0.4" authoringToolBuild="179">    <title>Firefox</title>    <options customize="never" allow-external-scripts="no" rootVolumeOnly="true"/>    <installation-check script="pm_install_check();"/>    <volume-check script="pm_volume_check();"/>    <script>function pm_volume_check() {  if(!(my.target.availableKilobytes >= 200 * 1024 * 1024)) {

Just for the record, don't worry about this part. It does not require 200GB. It's just a known bug of this attributes (the value is actually in bytes).

   my.result.title = 'Failure';    my.result.message = 'Installation cannot proceed, as not all requirements were met.';    my.result.type = 'Fatal';    return false;  }  return true; }

function pm_install_check() {  if(!(system.sysctl('hw.memsize') >= 512*1024*1024*1024)) {

512GB of RAM seems a bit excessive as a requirement.

   my.result.title = 'Memory Available';    my.result.message = 'Installation cannot proceed, as not all requirements were met.';    my.result.type = 'Fatal';    return false;  }  return true; } </script>    <choices-outline>        <line choice="choice3"/>    </choices-outline>    <choice id="choice3" title="Firefox">        <pkg-ref id="com.wb.firefox.Firefox.pkg"/>    </choice>    <pkg-ref id="com.wb.firefox.Firefox.pkg" installKBytes="75808" version="1.0" auth="Root">file:./Contents/Packages/firefox.pkg</pkg-ref>    <pkg-ref id="com.wb.firefox.Firefox.pkg">        <relocate search-id="pkmktoken81">            <bundle id="org.mozilla.firefox"/>        </relocate>    </pkg-ref>    <locator>        <search id="pkmktoken81-1" type="component">            <bundle CFBundleIdentifier="org.mozilla.firefox" path="/Applications/Firefox.app"/>        </search>        <search id="pkmktoken81-0" type="script" script="pkmktoken81_combined()">            <script> function pkmktoken81_combined() {        function pkmk_add_results_to_array(results, array) {                for(i = 0; i < results.length; i++)                        array.push(results[i]);        }        var result = new Array();        var search;        search = my.search.results['pkmktoken81-1'];        if(search) pkmk_add_results_to_array(search, result);        return result; } </script>        </search>        <search type="script" id="pkmktoken81" script="pkmktoken81_final()">            <script> function pkmktoken81_final() {        var combined = my.search.results['pkmktoken81-0'];        return combined; } </script>        </search>    </locator> </installer-script>

Please do let me know where I'm going wrong. I tried to modify the .dist fie but to no avail.

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