/**
*
* @param \BoostLibraries $libs The libraries to update.
* @param string $location The location of the super project in the mirror.
* @param BoostVersion|string $version The version to update from.
* @throws RuntimeException
*/
function update_from_git($libs, $location, $version)
{
$branch = BoostVersion::from($version)->git_ref();
echo "Updating from {$branch}\n";
$super_project = new BoostSuperProject($location, $branch);
$modules = $super_project->get_modules();
$modules_by_path = array();
foreach ($modules as $name => $details) {
$modules_by_path[$details['path']] = $name;
}
foreach ($super_project->run_git("ls-tree {$branch} " . implode(' ', array_keys($modules_by_path))) as $line_number => $line) {
if (!$line) {
continue;
}
if (preg_match("@^160000 commit ([a-zA-Z0-9]+)\t(.*)\$@", $line, $matches)) {
$modules[$modules_by_path[$matches[2]]]['hash'] = $matches[1];
} else {
throw new RuntimeException("Unmatched submodule line: {$line}");
}
}
foreach ($modules as $name => $module) {
$module_location = "{$location}/{$module['url']}";
$module_command = "cd '{$module_location}' && git";
foreach (BoostSuperProject::run_process("{$module_command} ls-tree {$module['hash']} " . "meta/libraries.xml meta/libraries.json") as $entry) {
try {
$entry = trim($entry);
if (preg_match("@^100644 blob ([a-zA-Z0-9]+)\t(.*)\$@", $entry, $matches)) {
$hash = $matches[1];
$filename = $matches[2];
$text = implode("\n", BoostSuperProject::run_process("{$module_command} show {$hash}"));
$libs->update(load_from_text($text, $filename, $name, $module['path']), $branch);
}
} catch (library_decode_exception $e) {
echo "Error decoding metadata for module {$name}:\n{$e->content()}\n";
}
}
}
}
function read_metadata_from_modules($path, $location, $hash, $sublibs = array('libs' => true))
{
// echo "Reading from {$path} - {$location} - {$hash}.\n";
$super_project = new BoostSuperProject($location, $hash);
$modules = $super_project->get_modules();
// Used to quickly set submodule hash.
$modules_by_path = array();
foreach ($modules as $name => $details) {
$modules_by_path[$details['path']] = $name;
}
// Store possible metadata files in this array.
$metadata_files = array();
// Get a list of everything that's relevant in the superproject+modules.
foreach ($super_project->run_git("ls-tree {$hash} -r") as $line_number => $line) {
if (!$line) {
continue;
}
if (preg_match("@^(\\d{6}) (\\w+) ([a-zA-Z0-9]+)\t(.*)\$@", $line, $matches)) {
switch ($matches[2]) {
case 'blob':
$blob_path = $path ? "{$path}/{$matches['4']}" : $matches[4];
if (fnmatch('*/sublibs', $blob_path)) {
$sublibs[dirname($blob_path)] = true;
} else {
if (fnmatch('*/meta/libraries.json', $blob_path)) {
$metadata_files[$blob_path] = $matches[3];
}
}
break;
case 'commit':
$modules[$modules_by_path[$matches[4]]]['hash'] = $matches[3];
break;
}
} else {
throw new RuntimeException("Unmatched submodule line: {$line}");
}
}
// Process metadata files
$updated_libs = array();
foreach ($metadata_files as $metadata_path => $metadata_hash) {
if (empty($sublibs[dirname(dirname(dirname($metadata_path)))])) {
echo "Ignoring non-library metadata file: {$metadata_path}.\n";
} else {
$text = implode("\n", $super_project->run_git("show {$metadata_hash}"));
$updated_libs = array_merge($updated_libs, load_from_text($text, $metadata_path, dirname(dirname($metadata_path))));
}
}
// Recurse over submodules
foreach ($modules as $name => $module) {
global $quiet;
$submodule_path = $path ? "{$path}/{$module['path']}" : $module['path'];
if (!preg_match('@^\\.\\./(\\w+)\\.git$@', $module['url'])) {
// In quiet mode don't warn about documentation submodules, which
// libraries have previously included from remote locations.
if (!$quiet || strpos($submodule_path . '/', '/doc/') === false) {
echo "Ignoring submodule '{$name}' in '{$location}'.\n";
}
continue;
}
if (empty($module['hash'])) {
echo "Missing module in .gitmodule: '{$name}' in '{$location}'.\n";
continue;
}
$updated_libs = array_merge($updated_libs, read_metadata_from_modules($submodule_path, "{$location}/{$module['url']}", $module['hash'], $sublibs));
}
return $updated_libs;
}
