* Link the updater application with the Cocoa framework on Mac
* Construct a UI in code and display it when running the main install process.
Usually UIs on Mac are contained in a .nib file created with Interface Builder
but in this case the UI is created directly in code to meet the single-binary requirement,
although it may be possible to bundle the .nib into the binary itself.
* Add support for entries in the update script being marked with
a boolean <is-main-binary> attribute which is set to true for the main binary.
* In UpdateInstaller::restartMainApp(), look for the file marked with <is-main-binary>
and restart it after installation. With the current structure, this requires that
the main binary is included in the update, which has always been the case up till now.
If we find that we want to do updates that do not affect the main binary, the
<is-main-binary> attribute could be replaced with a <main-binary> string value
at the top of the XML file.
* Add optional GTK mode to the updater build. This pulls in a large number of extra dependencies,
but dependencies which should be fairly ubiquitous on Linux systems. If these dependencies prove
to be a problem we could look at providing an alternative, more basic UI and loading the appropriate
UI dynamically.
* Implement update progress dialog for GTK. The dialog needs visual polish but is functional.
* Set the --wait argument when launching new updater processes with the ID of the process to wait for.
* Add ProcessUtils::currentProcessId() utility method and PLATFORM_PID define
The old syntax uses a series of Key=Value pairs, instead of
the more standard "--key value" syntax.
This is required so that the old Mendeley Desktop versions can
launch the new updater.
* Support XML scripts where the V3 script is wrapped in an <update-v3> element.
* Add some basic unit testing facilities - if we find that something more sophisticated is needed,
we can look at using cppunit, googletest or similar.
* Add a test that parsing the same script with both the old and the new structure
yields equivalent UpdateScript instances.
* Add FileOps::fileName() to get the base name for a file
* Add ProcessUtils::runSync() to run a process, wait for it to exit and then
return the status code from that process.
* Change ProcessUtils::runAsyncUnix() to use execvp() in order to search PATH
for the specified binary if the filename is not absolute.
Prepend the install directory to the file path specified in the
<uninstall> section of the XML file to get the path of the file
to remove.
If the file cannot be uninstalled because it does not exist,
log a warning and continue.
The cleanup is currently run in another process - on Windows for this to
work the updater will need to be run from outside the temporary installation
directory. Running the cleanup from the updater binary in the temporary
directory will fail since the binary to be removed will then be in use.
On Linux, Mac the cleanup could just be run from the main update installation
process.
