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a4c35a6245
* remove std.Build.updateFile. I noticed some people use it from build.zig (declare phase) when it is intended only for use in the make phase. - This also was incorrectly reporting errors with std.log. * std.Build.InstallArtifactStep - report better errors on failure - report whether the step was cached or not * std.Build.InstallDirStep: report better error on failure * std.Build.InstallFileStep: report better error on failure
53 lines
1.7 KiB
Zig
53 lines
1.7 KiB
Zig
const std = @import("../std.zig");
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const Step = std.Build.Step;
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const FileSource = std.Build.FileSource;
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const InstallDir = std.Build.InstallDir;
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const InstallFileStep = @This();
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pub const base_id = .install_file;
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step: Step,
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source: FileSource,
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dir: InstallDir,
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dest_rel_path: []const u8,
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/// This is used by the build system when a file being installed comes from one
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/// package but is being installed by another.
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dest_builder: *std.Build,
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pub fn init(
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owner: *std.Build,
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source: FileSource,
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dir: InstallDir,
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dest_rel_path: []const u8,
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) InstallFileStep {
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owner.pushInstalledFile(dir, dest_rel_path);
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return InstallFileStep{
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.step = Step.init(.{
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.id = base_id,
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.name = owner.fmt("install {s} to {s}", .{ source.getDisplayName(), dest_rel_path }),
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.owner = owner,
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.makeFn = make,
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}),
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.source = source.dupe(owner),
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.dir = dir.dupe(owner),
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.dest_rel_path = owner.dupePath(dest_rel_path),
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.dest_builder = owner,
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};
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}
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fn make(step: *Step, prog_node: *std.Progress.Node) !void {
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_ = prog_node;
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const src_builder = step.owner;
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const self = @fieldParentPtr(InstallFileStep, "step", step);
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const dest_builder = self.dest_builder;
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const full_src_path = self.source.getPath2(src_builder, step);
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const full_dest_path = dest_builder.getInstallPath(self.dir, self.dest_rel_path);
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const cwd = std.fs.cwd();
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const prev = std.fs.Dir.updateFile(cwd, full_src_path, cwd, full_dest_path, .{}) catch |err| {
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return step.fail("unable to update file from '{s}' to '{s}': {s}", .{
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full_src_path, full_dest_path, @errorName(err),
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});
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};
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step.result_cached = prev == .fresh;
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}
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