build: rename std.Build.*Step to std.Build.Step.*

Follow-up actions from ziglang#14647

Fixes ziglang#14947

lib/std/Build.zig

@@ -29,20 +29,20 @@ pub const Builder = Build;
 pub const InstallDirectoryOptions = InstallDirStep.Options;
 
 pub const Step = @import("Build/Step.zig");
-pub const CheckFileStep = @import("Build/CheckFileStep.zig");
-pub const CheckObjectStep = @import("Build/CheckObjectStep.zig");
-pub const ConfigHeaderStep = @import("Build/ConfigHeaderStep.zig");
-pub const FmtStep = @import("Build/FmtStep.zig");
-pub const InstallArtifactStep = @import("Build/InstallArtifactStep.zig");
-pub const InstallDirStep = @import("Build/InstallDirStep.zig");
-pub const InstallFileStep = @import("Build/InstallFileStep.zig");
-pub const ObjCopyStep = @import("Build/ObjCopyStep.zig");
-pub const CompileStep = @import("Build/CompileStep.zig");
-pub const OptionsStep = @import("Build/OptionsStep.zig");
-pub const RemoveDirStep = @import("Build/RemoveDirStep.zig");
-pub const RunStep = @import("Build/RunStep.zig");
-pub const TranslateCStep = @import("Build/TranslateCStep.zig");
-pub const WriteFileStep = @import("Build/WriteFileStep.zig");
+pub const CheckFileStep = @import("Build/Step/CheckFile.zig");
+pub const CheckObjectStep = @import("Build/Step/CheckObject.zig");
+pub const ConfigHeaderStep = @import("Build/Step/ConfigHeader.zig");
+pub const FmtStep = @import("Build/Step/Fmt.zig");
+pub const InstallArtifactStep = @import("Build/Step/InstallArtifact.zig");
+pub const InstallDirStep = @import("Build/Step/InstallDir.zig");
+pub const InstallFileStep = @import("Build/Step/InstallFile.zig");
+pub const ObjCopyStep = @import("Build/Step/ObjCopy.zig");
+pub const CompileStep = @import("Build/Step/Compile.zig");
+pub const OptionsStep = @import("Build/Step/Options.zig");
+pub const RemoveDirStep = @import("Build/Step/RemoveDir.zig");
+pub const RunStep = @import("Build/Step/Run.zig");
+pub const TranslateCStep = @import("Build/Step/TranslateC.zig");
+pub const WriteFileStep = @import("Build/Step/WriteFile.zig");
 
 install_tls: TopLevelStep,
 uninstall_tls: TopLevelStep,

lib/std/Build/CheckFileStep.zig → lib/std/Build/Step/CheckFile.zig

@@ -2,6 +2,11 @@
 //! TODO: make this more flexible, supporting more kinds of checks.
 //! TODO: generalize the code in std.testing.expectEqualStrings and make this
 //! CheckFileStep produce those helpful diagnostics when there is not a match.
+const CheckFileStep = @This();
+const std = @import("std");
+const Step = std.Build.Step;
+const fs = std.fs;
+const mem = std.mem;
 
 step: Step,
 expected_matches: []const []const u8,
@@ -80,9 +85,3 @@ fn make(step: *Step, prog_node: *std.Progress.Node) !void {
         }
     }
 }
-
-const CheckFileStep = @This();
-const std = @import("../std.zig");
-const Step = std.Build.Step;
-const fs = std.fs;
-const mem = std.mem;

lib/std/Build/CheckObjectStep.zig → lib/std/Build/Step/CheckObject.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const assert = std.debug.assert;
 const fs = std.fs;
 const macho = std.macho;

lib/std/Build/CompileStep.zig → lib/std/Build/Step/Compile.zig

@@ -1,5 +1,5 @@
 const builtin = @import("builtin");
-const std = @import("../std.zig");
+const std = @import("std");
 const mem = std.mem;
 const fs = std.fs;
 const assert = std.debug.assert;

lib/std/Build/ConfigHeaderStep.zig → lib/std/Build/Step/ConfigHeader.zig

@@ -1,3 +1,7 @@
+const std = @import("std");
+const ConfigHeaderStep = @This();
+const Step = std.Build.Step;
+
 pub const Style = union(enum) {
     /// The configure format supported by autotools. It uses `#undef foo` to
     /// mark lines that can be substituted with different values.
@@ -431,7 +435,3 @@ fn renderValueNasm(output: *std.ArrayList(u8), name: []const u8, value: Value) !
         },
     }
 }
-
-const std = @import("../std.zig");
-const ConfigHeaderStep = @This();
-const Step = std.Build.Step;

lib/std/Build/FmtStep.zig → lib/std/Build/Step/Fmt.zig

@@ -1,6 +1,9 @@
 //! This step has two modes:
 //! * Modify mode: directly modify source files, formatting them in place.
 //! * Check mode: fail the step if a non-conforming file is found.
+const std = @import("std");
+const Step = std.Build.Step;
+const FmtStep = @This();
 
 step: Step,
 paths: []const []const u8,
@@ -67,7 +70,3 @@ fn make(step: *Step, prog_node: *std.Progress.Node) !void {
 
     return step.evalChildProcess(argv.items);
 }
-
-const std = @import("../std.zig");
-const Step = std.Build.Step;
-const FmtStep = @This();

lib/std/Build/InstallArtifactStep.zig → lib/std/Build/Step/InstallArtifact.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const Step = std.Build.Step;
 const CompileStep = std.Build.CompileStep;
 const InstallDir = std.Build.InstallDir;

lib/std/Build/InstallDirStep.zig → lib/std/Build/Step/InstallDir.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const mem = std.mem;
 const fs = std.fs;
 const Step = std.Build.Step;

lib/std/Build/InstallFileStep.zig → lib/std/Build/Step/InstallFile.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const Step = std.Build.Step;
 const FileSource = std.Build.FileSource;
 const InstallDir = std.Build.InstallDir;

lib/std/Build/OptionsStep.zig → lib/std/Build/Step/Options.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const builtin = @import("builtin");
 const fs = std.fs;
 const Step = std.Build.Step;

lib/std/Build/RemoveDirStep.zig → lib/std/Build/Step/RemoveDir.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const fs = std.fs;
 const Step = std.Build.Step;
 const RemoveDirStep = @This();

lib/std/Build/RunStep.zig → lib/std/Build/Step/Run.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const builtin = @import("builtin");
 const Step = std.Build.Step;
 const CompileStep = std.Build.CompileStep;

lib/std/Build/TranslateCStep.zig → lib/std/Build/Step/TranslateC.zig

@@ -1,4 +1,4 @@
-const std = @import("../std.zig");
+const std = @import("std");
 const Step = std.Build.Step;
 const CompileStep = std.Build.CompileStep;
 const CheckFileStep = std.Build.CheckFileStep;

lib/std/Build/WriteFileStep.zig → lib/std/Build/Step/WriteFile.zig

@@ -8,6 +8,11 @@
 //! during the normal build process, but as a utility run by a developer with
 //! intention to update source files, which will then be committed to version
 //! control.
+const std = @import("std");
+const Step = std.Build.Step;
+const fs = std.fs;
+const ArrayList = std.ArrayList;
+const WriteFileStep = @This();
 
 step: Step,
 /// The elements here are pointers because we need stable pointers for the
@@ -284,10 +289,3 @@ fn make(step: *Step, prog_node: *std.Progress.Node) !void {
 
     try step.writeManifest(&man);
 }
-
-const std = @import("../std.zig");
-const Step = std.Build.Step;
-const fs = std.fs;
-const ArrayList = std.ArrayList;
-
-const WriteFileStep = @This();