Add libarchive bindings

1 files changed, 75 insertions, 0 deletions

diff --git a/misctools/tgz.zig b/misctools/tgz.zig
new file mode 100644
index 000000000..87497594a
--- /dev/null
+++ b/misctools/tgz.zig
@@ -0,0 +1,75 @@
+const std = @import("std");
+
+const path_handler = @import("../src/resolver/resolve_path.zig");
+usingnamespace @import("../src/global.zig");
+
+const Archive = @import("../src/libarchive/libarchive.zig").Archive;
+const Zlib = @import("../src/zlib.zig");
+
+const RecognizedExtensions = std.ComptimeStringMap(void, .{
+    .{ ".tgz", void{} },
+    .{ ".tar", void{} },
+    .{ ".gz", void{} },
+});
+
+var buf: [512 * 1024 * 1024]u8 = undefined;
+
+// zig build-exe -Drelease-fast --main-pkg-path ../ ./tgz.zig ../src/deps/zlib/libz.a ../src/deps/libarchive.a -lc -liconv
+// zig build-exe -Drelease-fast --main-pkg-path ../ ./tgz.zig ../src/deps/zlib/libz.a ../src/deps/libarchive.a -lc -liconv
+pub fn main() anyerror!void {
+    var stdout_ = std.io.getStdOut();
+    var stderr_ = std.io.getStdErr();
+    var output_source = Output.Source.init(stdout_, stderr_);
+    Output.Source.set(&output_source);
+    defer Output.flush();
+    var args = try std.process.argsAlloc(std.heap.c_allocator);
+    if (args.len < 2) {
+        Output.prettyErrorln("<r><b>usage<r>: tgz ./tar.gz", .{});
+        Output.flush();
+        std.os.abort();
+    }
+
+    var tarball_path_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
+    var basename = std.fs.path.basename(std.mem.span(args[args.len - 1]));
+    while (RecognizedExtensions.has(std.fs.path.extension(basename))) {
+        basename = basename[0 .. basename.len - std.fs.path.extension(basename).len];
+    }
+
+    var parts = [_][]const u8{
+        std.mem.span(args[args.len - 1]),
+    };
+
+    const tarball_path = path_handler.joinAbsStringBuf(try std.process.getCwdAlloc(std.heap.c_allocator), &tarball_path_buf, &parts, .auto);
+    Output.prettyErrorln("Tarball Path: {s}", .{tarball_path});
+    var folder = basename;
+
+    // var dir = try std.fs.cwd().makeOpenPath(folder, .{ .iterate = true });
+
+    var tarball = try std.fs.openFileAbsolute(tarball_path, .{ .read = true });
+
+    var tarball_buf_list = std.ArrayListUnmanaged(u8){};
+
+    var file_size = try tarball.getEndPos();
+    var file_buf: []u8 = undefined;
+
+    if (file_size < buf.len) {
+        file_buf = buf[0..try tarball.readAll(&buf)];
+    } else {
+        file_buf = try tarball.readToEndAlloc(
+            std.heap.c_allocator,
+            file_size,
+        );
+    }
+
+    // if (std.mem.eql(u8, std.fs.path.extension(tarball_path), ".gz") or std.mem.eql(u8, std.fs.path.extension(tarball_path), ".tgz")) {
+    //     tarball_buf_list = std.ArrayListUnmanaged(u8){ .capacity = gzip_buf.len, .items = std.mem.span(&gzip_buf) };
+    //     var gunzip = try Zlib.ZlibReaderArrayList.init(file_buf, &tarball_buf_list, std.heap.c_allocator);
+    //     try gunzip.readAll();
+    //     gunzip.deinit();
+    //     Output.prettyErrorln("Decompressed {d} -> {d}\n", .{ file_buf.len, tarball_buf_list.items.len });
+    // } else {
+    tarball_buf_list = std.ArrayListUnmanaged(u8){ .capacity = file_buf.len, .items = file_buf };
+    // }
+
+    try Archive.extractToDisk(tarball_buf_list.items, folder, 1, false);
+}