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const std = @import("../std.zig");
const Step = std.Build.Step;
const FileSource = std.Build.FileSource;
const InstallDir = std.Build.InstallDir;
const InstallFileStep = @This();
pub const base_id = .install_file;
step: Step,
builder: *std.Build,
source: FileSource,
dir: InstallDir,
dest_rel_path: []const u8,
/// This is used by the build system when a file being installed comes from one
/// package but is being installed by another.
override_source_builder: ?*std.Build = null,
pub fn init(
builder: *std.Build,
source: FileSource,
dir: InstallDir,
dest_rel_path: []const u8,
) InstallFileStep {
builder.pushInstalledFile(dir, dest_rel_path);
return InstallFileStep{
.builder = builder,
.step = Step.init(builder.allocator, .{
.id = .install_file,
.name = builder.fmt("install {s} to {s}", .{ source.getDisplayName(), dest_rel_path }),
.makeFn = make,
}),
.source = source.dupe(builder),
.dir = dir.dupe(builder),
.dest_rel_path = builder.dupePath(dest_rel_path),
};
}
fn make(step: *Step, prog_node: *std.Progress.Node) !void {
_ = prog_node;
const self = @fieldParentPtr(InstallFileStep, "step", step);
const src_builder = self.override_source_builder orelse self.builder;
const full_src_path = self.source.getPath2(src_builder, step);
const full_dest_path = self.builder.getInstallPath(self.dir, self.dest_rel_path);
try self.builder.updateFile(full_src_path, full_dest_path);
}
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