Merge pull request #13865 from ziglang/std-build-reorg

std.build: extract steps to separate files

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/std/build/InstallFileStep.zig b/lib/std/build/InstallFileStep.zig
new file mode 100644
index 0000000000..23ef342bca
--- /dev/null
+++ b/lib/std/build/InstallFileStep.zig
@@ -0,0 +1,38 @@
+const std = @import("../std.zig");
+const build = @import("../build.zig");
+const Step = build.Step;
+const Builder = build.Builder;
+const FileSource = std.build.FileSource;
+const InstallDir = std.build.InstallDir;
+const InstallFileStep = @This();
+
+pub const base_id = .install_file;
+
+step: Step,
+builder: *Builder,
+source: FileSource,
+dir: InstallDir,
+dest_rel_path: []const u8,
+
+pub fn init(
+    builder: *Builder,
+    source: FileSource,
+    dir: InstallDir,
+    dest_rel_path: []const u8,
+) InstallFileStep {
+    builder.pushInstalledFile(dir, dest_rel_path);
+    return InstallFileStep{
+        .builder = builder,
+        .step = Step.init(.install_file, builder.fmt("install {s} to {s}", .{ source.getDisplayName(), dest_rel_path }), builder.allocator, make),
+        .source = source.dupe(builder),
+        .dir = dir.dupe(builder),
+        .dest_rel_path = builder.dupePath(dest_rel_path),
+    };
+}
+
+fn make(step: *Step) !void {
+    const self = @fieldParentPtr(InstallFileStep, "step", step);
+    const full_dest_path = self.builder.getInstallPath(self.dir, self.dest_rel_path);
+    const full_src_path = self.source.getPath(self.builder);
+    try self.builder.updateFile(full_src_path, full_dest_path);
+}