nsresult
ProcessUpdates(nsIFile *greDir, nsIFile *appDir, nsIFile *updRootDir,
int argc, char **argv, const char *&appVersion)
{
nsresult rv;
nsCOMPtr<nsIFile> updatesDir;
rv = updRootDir->Clone(getter_AddRefs(updatesDir));
if (NS_FAILED(rv))
return rv;
rv = updatesDir->AppendNative(NS_LITERAL_CSTRING("updates"));
if (NS_FAILED(rv))
return rv;
rv = updatesDir->AppendNative(NS_LITERAL_CSTRING("0"));
if (NS_FAILED(rv))
return rv;
PRBool exists;
rv = updatesDir->Exists(&exists);
if (NS_FAILED(rv) || !exists)
return rv;
nsCOMPtr<nsILocalFile> statusFile;
if (GetStatusFile(updatesDir, statusFile) && IsPending(statusFile)) {
nsCOMPtr<nsILocalFile> versionFile;
// Remove the update if the update application version file doesn't exist
// or if the update's application version is less than the current
// application version.
if (!GetVersionFile(updatesDir, versionFile) ||
IsOlderVersion(versionFile, appVersion)) {
updatesDir->Remove(PR_TRUE);
} else {
ApplyUpdate(greDir, updatesDir, statusFile, appDir, argc, argv);
}
}
return NS_OK;
}
nsresult
ProcessUpdates(nsIFile *greDir, nsIFile *appDir, nsIFile *updRootDir,
int argc, char **argv)
{
nsresult rv;
nsCOMPtr<nsIFile> updatesDir;
rv = updRootDir->Clone(getter_AddRefs(updatesDir));
if (NS_FAILED(rv))
return rv;
rv = updatesDir->AppendNative(NS_LITERAL_CSTRING("updates"));
if (NS_FAILED(rv))
return rv;
PRBool exists;
rv = updatesDir->Exists(&exists);
if (NS_FAILED(rv) || !exists)
return rv;
nsCOMArray<nsIFile> dirEntries;
rv = ScanDir(updatesDir, &dirEntries);
if (NS_FAILED(rv))
return rv;
if (dirEntries.Count() == 0)
return NS_OK;
// look for the first update subdirectory with a status of pending
for (int i = 0; i < dirEntries.Count(); ++i) {
nsCOMPtr<nsILocalFile> statusFile;
if (GetStatusFile(dirEntries[i], statusFile) && IsPending(statusFile)) {
ApplyUpdate(greDir, dirEntries[i], statusFile, appDir, argc, argv);
break;
}
}
return NS_OK;
}