add build_test/VersionStep
This commit is contained in:
parent
3bf6adc13e
commit
ea93542da8
177
VersionStep.zig
177
VersionStep.zig
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@ -2,8 +2,8 @@
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//! This file is hosted at ??? and is meant to be copied
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//! to projects that use it. Sample usage:
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//!
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//! ??
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//! ??
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//! const version = VersionStep.create(b, null);
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//! exe.step.dependOn(&version.step);
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const std = @import("std");
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const Step = @This();
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@ -33,5 +33,176 @@ fn make(step: *std.build.Step) !void {
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const self = @fieldParentPtr(Step, "step", step);
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const file = try std.fs.createFileAbsolute(self.version_path, .{});
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defer file.close();
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try file.writer().print("pub const version = {s};\n", .{"\"to be implemented\""});
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const version = try getGitVersion(
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self.builder.allocator,
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self.builder.build_root,
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self.builder.env_map,
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);
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defer version.deinit();
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try file.writer().print(
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\\pub const hash = "{s}";
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\\pub const abbreviated_hash = "{s}";
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\\pub const commit_date = "{s}";
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\\pub const branch = "{s}";
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\\pub const dirty = {b};
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\\pub const pretty_version = "{s}";
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, .{
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version.hash,
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version.abbreviated_hash,
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version.commit_date,
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version.branch,
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version.dirty,
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version.pretty_version,
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});
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}
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const GitVersion = struct {
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hash: []const u8,
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abbreviated_hash: []const u8,
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commit_date: []const u8,
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branch: []const u8,
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dirty: bool,
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pretty_version: []const u8,
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allocator: std.mem.Allocator,
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const Self = @This();
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pub fn deinit(self: Self) void {
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self.allocator.free(self.hash);
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self.allocator.free(self.abbreviated_hash);
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self.allocator.free(self.commit_date);
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self.allocator.free(self.branch);
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self.allocator.free(self.pretty_version);
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}
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};
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fn getGitVersion(allocator: std.mem.Allocator, git_working_root: ?[]const u8, env: anytype) !GitVersion {
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// git log -1 --pretty="%H%n%h%n%ci%n%D"
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// 3bf6adc13e4aa653a7b75b1b5e9c9db5215df8e1
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// 3bf6adc
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// 2022-01-12 12:21:28 -0800
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// HEAD -> zig-native
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const log_output = try run(
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allocator,
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&[_][]const u8{
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"git",
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"log",
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"-1",
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"--pretty=%H%n%h%n%ci%n%D",
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},
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git_working_root,
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env,
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);
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defer allocator.free(log_output);
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const line_data = try getLines(allocator, 4, log_output);
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const hash = line_data[0];
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const abbrev_hash = line_data[1];
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const date = line_data[2];
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const branch = line_data[3];
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// git status --porcelain
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const status_output = try run(
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allocator,
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&[_][]const u8{
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"git",
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"status",
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"--porcelain",
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},
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git_working_root,
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env,
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);
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const dirty = blk: {
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if (status_output.len > 0) {
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allocator.free(status_output);
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break :blk true;
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}
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break :blk false;
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};
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const dirty_str = blk: {
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if (dirty) {
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break :blk " (dirty)";
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}
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break :blk "";
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};
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const pretty_version: []const u8 = try std.fmt.allocPrint(
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allocator,
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"version {s}, committed at {s}{s}",
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.{
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abbrev_hash,
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date,
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dirty_str,
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},
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);
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return GitVersion{
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.hash = hash,
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.abbreviated_hash = abbrev_hash,
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.commit_date = date,
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.branch = branch,
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.allocator = allocator,
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.dirty = dirty,
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.pretty_version = pretty_version,
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};
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}
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fn getLines(allocator: std.mem.Allocator, comptime line_count: u32, data: []const u8) ![line_count][]u8 {
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var line: u32 = 0;
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var start: u32 = 0;
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var current: u32 = 0;
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var line_data: [line_count][]u8 = undefined;
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errdefer {
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while (line > 0) {
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allocator.free(line_data[line]);
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line -= 1;
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}
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}
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for (data) |c| {
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// try std.io.getStdErr().writer().print("line: {d}, c: {c}, cur: {d}, strt: {d}\n", .{ line, c, current, start });
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if (c == '\n') {
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line_data[line] = try allocator.dupe(u8, data[start..current]);
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// try std.io.getStdErr().writer().print("c: {d}, s: {d}, data: '{s}'\n", .{ current, start, line_data[line] });
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start = current + 1;
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line += 1;
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}
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current += 1;
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}
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return line_data;
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}
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// env is a std.process.BufMap, but that's private, which is a little weird tbh
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fn run(allocator: std.mem.Allocator, argv: []const []const u8, cwd: ?[]const u8, env: anytype) ![]const u8 {
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{
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var msg = std.ArrayList(u8).init(allocator);
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defer msg.deinit();
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const writer = msg.writer();
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var prefix: []const u8 = "";
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for (argv) |arg| {
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try writer.print("{s}\"{s}\"", .{ prefix, arg });
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prefix = " ";
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}
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std.log.info("[RUN] {s}", .{msg.items});
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}
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const result = try std.ChildProcess.exec(.{
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.allocator = allocator,
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.argv = argv,
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.cwd = cwd,
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.env_map = env,
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});
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defer if (result.stderr.len > 0) allocator.free(result.stderr);
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try std.io.getStdErr().writer().writeAll(result.stderr);
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switch (result.term) {
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.Exited => |code| if (code != 0) {
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std.log.err("process failed with exit code: {}", .{code});
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std.os.exit(0xff);
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},
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else => {
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std.log.err("process failed due to exception: {}", .{result});
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std.os.exit(0xff);
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},
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}
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return result.stdout;
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}
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28
build_test.zig
Normal file
28
build_test.zig
Normal file
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@ -0,0 +1,28 @@
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//! Publish Date: 2022-01-12
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//! This file is hosted at ??? and is meant to be copied
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//! to projects that use it. Sample usage:
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//!
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//! const @"test" = @import("build_test.zig");
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//! var test_step = try @"test".addTestStep(b, mode, exe.packages.items);
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const std = @import("std");
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pub fn addTestStep(b: *std.build.Builder, mode: std.builtin.Mode, packages: []std.build.Pkg) !*std.build.Step {
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const test_step = b.step("test", "Run all tests");
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var src_dir = try std.fs.openDirAbsolute(try std.fs.path.resolve(b.allocator, &[_][]const u8{
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b.build_root,
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"src",
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}), .{ .iterate = true });
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defer src_dir.close();
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var iterator = src_dir.iterate();
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while (try iterator.next()) |entry| {
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if (std.mem.endsWith(u8, entry.name, ".zig")) {
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const name = try std.fmt.allocPrint(b.allocator, "src/{s}", .{entry.name});
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defer b.allocator.free(name);
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const t = b.addTest(name);
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for (packages) |package| t.addPackage(package);
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t.setBuildMode(mode);
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test_step.dependOn(&t.step);
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}
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}
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return test_step;
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}
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