37 lines
1.1 KiB
Zig
37 lines
1.1 KiB
Zig
const std = @import("std");
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const CopyStep = @This();
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step: std.build.Step,
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builder: *std.build.Builder,
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from_path: []const u8 = null,
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to_path: []const u8 = null,
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pub fn create(
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b: *std.build.Builder,
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from_path_relative: []const u8,
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to_path_relative: []const u8,
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) *CopyStep {
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var result = b.allocator.create(CopyStep) catch @panic("memory");
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result.* = CopyStep{
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.step = std.build.Step.init(.custom, "copy a file", b.allocator, make),
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.builder = b,
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.from_path = std.fs.path.resolve(b.allocator, &[_][]const u8{
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b.build_root,
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from_path_relative,
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}) catch @panic("memory"),
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.to_path = std.fs.path.resolve(b.allocator, &[_][]const u8{
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b.build_root,
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to_path_relative,
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}) catch @panic("memory"),
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};
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return result;
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}
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fn make(step: *std.build.Step) !void {
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const self = @fieldParentPtr(CopyStep, "step", step);
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std.fs.copyFileAbsolute(self.from_path, self.to_path, .{}) catch |e| {
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std.log.err("Error copying {s} to {s}: {s}", .{ self.from_path, self.to_path, e });
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std.os.exit(1);
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};
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}
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