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feat(editor): add --copy-project recursive project tree copy

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Recursively copies an entire project tree (every zone subdir +
manifests + content files). Refuses to overwrite an existing
destination so a typo doesn't silently merge into the wrong
project — user must delete the destination first if intentional.

Reports zone count, total file count, and total byte count of
what was copied. Useful for forking a project for experimentation,
or for creating snapshot backups before risky bulk operations
like --strip-data-tree or --remove-project-orphans.

Verified: 2-zone gen-random-project source → copy-project →
"zones: 2, files: 12, total bytes: 395989" reported correctly,
existing destination correctly rejected.
This commit is contained in:
Kelsi 2026-05-07 19:31:09 -07:00
parent 6b6a3189e4
commit ef38998a4e
1 changed files with 50 additions and 1 deletions
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51
tools/editor/main.cpp
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@ -915,6 +915,8 @@ static void printUsage(const char* argv0) {
std::printf(" One-line compact zone summary (tiles, biome, counts, audio status)\n");
std::printf(" --info-project-overview <projectDir> [--json]\n");
std::printf(" One-line summary per zone in a project (single-page health check)\n");
std::printf(" --copy-project <fromDir> <toDir>\n");
std::printf(" Recursively copy a project tree (every zone subdir + manifests)\n");
std::printf(" --info-creatures <p> [--json]\n");
std::printf(" Print creatures.json summary (counts, behaviors) and exit\n");
std::printf(" --info-creatures-by-faction <p> [--json]\n");
@ -1019,7 +1021,7 @@ int main(int argc, char* argv[]) {
"--info-pack-tree",
"--info-m2", "--info-wmo", "--info-adt",
"--info-zone", "--info-zone-overview", "--info-project-overview",
"--info-wcp", "--list-wcp",
"--copy-project", "--info-wcp", "--list-wcp",
"--list-creatures", "--list-objects", "--list-quests",
"--list-quest-objectives", "--list-quest-rewards",
"--info-creature", "--info-quest", "--info-object",
@ -3821,6 +3823,53 @@ int main(int argc, char* argv[]) {
r.hasAudio ? "yes" : "no");
}
return 0;
} else if (std::strcmp(argv[i], "--copy-project") == 0 && i + 2 < argc) {
// Recursively copy an entire project tree. Refuses to
// overwrite an existing destination so a typo doesn't
// silently merge into the wrong project.
std::string fromDir = argv[++i];
std::string toDir = argv[++i];
namespace fs = std::filesystem;
if (!fs::exists(fromDir) || !fs::is_directory(fromDir)) {
std::fprintf(stderr,
"copy-project: %s is not a directory\n", fromDir.c_str());
return 1;
}
if (fs::exists(toDir)) {
std::fprintf(stderr,
"copy-project: destination %s already exists "
"(delete it first if intentional)\n", toDir.c_str());
return 1;
}
std::error_code ec;
fs::copy(fromDir, toDir,
fs::copy_options::recursive | fs::copy_options::copy_symlinks,
ec);
if (ec) {
std::fprintf(stderr,
"copy-project: copy failed (%s)\n", ec.message().c_str());
return 1;
}
// Count what was copied for the report.
int zoneCount = 0, fileCount = 0;
uint64_t totalBytes = 0;
for (const auto& entry : fs::directory_iterator(toDir, ec)) {
if (entry.is_directory() &&
fs::exists(entry.path() / "zone.json")) zoneCount++;
}
for (const auto& e : fs::recursive_directory_iterator(toDir, ec)) {
if (e.is_regular_file()) {
fileCount++;
totalBytes += e.file_size(ec);
}
}
std::printf("Copied %s -> %s\n", fromDir.c_str(), toDir.c_str());
std::printf(" zones : %d\n", zoneCount);
std::printf(" files : %d\n", fileCount);
std::printf(" total bytes : %llu (%.1f MB)\n",
static_cast<unsigned long long>(totalBytes),
totalBytes / (1024.0 * 1024.0));
return 0;
} else if (std::strcmp(argv[i], "--info-creatures") == 0 && i + 1 < argc) {
std::string path = argv[++i];
bool jsonOut = (i + 1 < argc &&