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14
.gitignore
vendored
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14
.gitignore
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# Created by https://www.toptal.com/developers/gitignore/api/zig
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# Edit at https://www.toptal.com/developers/gitignore?templates=zig
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### zig ###
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# Zig programming language
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zig-cache/
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build/
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build-*/
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docgen_tmp/
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# End of https://www.toptal.com/developers/gitignore/api/zig
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24
build.zig
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24
build.zig
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const Builder = @import("std").build.Builder;
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pub fn build(b: *Builder) void {
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// Standard target options allows the person running `zig build` to choose
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// what target to build for. Here we do not override the defaults, which
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// means any target is allowed, and the default is native. Other options
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// for restricting supported target set are available.
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const target = b.standardTargetOptions(.{});
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// Standard release options allow the person running `zig build` to select
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// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
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const mode = b.standardReleaseOptions();
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const exe = b.addExecutable("dc", "src/main.zig");
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exe.setTarget(target);
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exe.setBuildMode(mode);
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exe.install();
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const run_cmd = exe.run();
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run_cmd.step.dependOn(b.getInstallStep());
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const run_step = b.step("run", "Run the app");
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run_step.dependOn(&run_cmd.step);
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}
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31
src/main.zig
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31
src/main.zig
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const std = @import("std");
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pub const linux_sysv_shutdown: []const []const u8 = &[_][]const u8 { "init", "0" };
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pub const linux_systemd_shutdown: []const []const u8 = &[_][]const u8 { "systemctl", "poweroff" };
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pub const windows_shutdown: []const []const u8 = &[_][]const u8 { "shutdown", "/s", "/f" };
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pub fn main() anyerror!void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.deinit();
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const shutdown: []const []const u8 = switch(std.builtin.os.tag) {
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.linux => blk: {
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var systemd_dir_or_error = std.fs.Dir.openDir(std.fs.cwd(), "/run/systemd/system", std.fs.Dir.OpenDirOptions {});
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if(systemd_dir_or_error) |*dir| {
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dir.close();
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break :blk linux_systemd_shutdown;
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} else |err| {
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break :blk linux_sysv_shutdown;
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}
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},
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.windows => windows_shutdown,
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else => return error{OsNotSupported}.OsNotSupported,
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};
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const alloc = &gpa.allocator;
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const child = try std.ChildProcess.init(shutdown, alloc);
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try child.spawn();
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_ = try child.wait();
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}
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