93 lines
3.1 KiB
Zig
93 lines
3.1 KiB
Zig
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const std = @import("std");
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const os = std.os;
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const assertOrPanic = std.debug.assertOrPanic;
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var a: *std.mem.Allocator = undefined;
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pub fn main() !void {
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var direct_allocator = std.heap.DirectAllocator.init();
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defer direct_allocator.deinit();
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var arena = std.heap.ArenaAllocator.init(&direct_allocator.allocator);
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defer arena.deinit();
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var arg_it = os.args();
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// skip my own exe name
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_ = arg_it.skip();
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a = &arena.allocator;
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const zig_exe_rel = try (arg_it.next(a) orelse {
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std.debug.warn("Expected first argument to be path to zig compiler\n");
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return error.InvalidArgs;
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});
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const cache_root = try (arg_it.next(a) orelse {
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std.debug.warn("Expected second argument to be cache root directory path\n");
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return error.InvalidArgs;
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});
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const zig_exe = try os.path.resolve(a, zig_exe_rel);
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try testZigInitLib(zig_exe, cache_root);
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try testZigInitExe(zig_exe, cache_root);
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}
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fn unwrapArg(arg: UnwrapArgError![]u8) UnwrapArgError![]u8 {
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return arg catch |err| {
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warn("Unable to parse command line: {}\n", err);
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return err;
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};
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}
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fn printCmd(cwd: []const u8, argv: []const []const u8) void {
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std.debug.warn("cd {} && ", cwd);
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for (argv) |arg| {
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std.debug.warn("{} ", arg);
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}
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std.debug.warn("\n");
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}
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fn exec(cwd: []const u8, argv: []const []const u8) !os.ChildProcess.ExecResult {
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const max_output_size = 100 * 1024;
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const result = os.ChildProcess.exec(a, argv, cwd, null, max_output_size) catch |err| {
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std.debug.warn("The following command failed:\n");
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printCmd(cwd, argv);
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return err;
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};
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switch (result.term) {
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os.ChildProcess.Term.Exited => |code| {
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if (code != 0) {
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std.debug.warn("The following command exited with error code {}:\n", code);
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printCmd(cwd, argv);
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std.debug.warn("stderr:\n{}\n", result.stderr);
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return error.CommandFailed;
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}
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},
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else => {
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std.debug.warn("The following command terminated unexpectedly:\n");
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printCmd(cwd, argv);
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std.debug.warn("stderr:\n{}\n", result.stderr);
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return error.CommandFailed;
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},
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}
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return result;
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}
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fn testZigInitLib(zig_exe: []const u8, cache_root: []const u8) !void {
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const dir_path = try os.path.join(a, cache_root, "clitest");
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try os.deleteTree(a, dir_path);
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try os.makeDir(dir_path);
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_ = try exec(dir_path, [][]const u8{ zig_exe, "init-lib" });
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const test_result = try exec(dir_path, [][]const u8{ zig_exe, "build", "test" });
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assertOrPanic(std.mem.endsWith(u8, test_result.stderr, "All tests passed.\n"));
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}
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fn testZigInitExe(zig_exe: []const u8, cache_root: []const u8) !void {
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const dir_path = try os.path.join(a, cache_root, "clitest");
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try os.deleteTree(a, dir_path);
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try os.makeDir(dir_path);
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_ = try exec(dir_path, [][]const u8{ zig_exe, "init-exe" });
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const run_result = try exec(dir_path, [][]const u8{ zig_exe, "build", "run" });
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assertOrPanic(std.mem.eql(u8, run_result.stderr, "All your base are belong to us.\n"));
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}
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