From 3f6e651d5a850bb9623e628aa83cd9d70e83c417 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sun, 7 Jan 2024 17:02:17 -0700
Subject: [PATCH] remove tool: update-license-headers

This tool is not needed since license headers were removed in
d29871977f97b50fe5e3f16cd9c68ebeba02a562.
---
 test/standalone.zig              |  1 -
 tools/update-license-headers.zig | 47 --------------------------------
 2 files changed, 48 deletions(-)
 delete mode 100644 tools/update-license-headers.zig

diff --git a/test/standalone.zig b/test/standalone.zig
index 45ba46c015a1..3740ddb80adb 100644
--- a/test/standalone.zig
+++ b/test/standalone.zig
@@ -67,7 +67,6 @@ pub const simple_cases = [_]SimpleCase{
     .{ .src_path = "tools/gen_stubs.zig" },
     .{ .src_path = "tools/generate_linux_syscalls.zig" },
     .{ .src_path = "tools/process_headers.zig" },
-    .{ .src_path = "tools/update-license-headers.zig" },
     .{ .src_path = "tools/update-linux-headers.zig" },
     .{ .src_path = "tools/update_clang_options.zig" },
     .{ .src_path = "tools/update_cpu_features.zig" },
diff --git a/tools/update-license-headers.zig b/tools/update-license-headers.zig
deleted file mode 100644
index dcc8b7c8fed3..000000000000
--- a/tools/update-license-headers.zig
+++ /dev/null
@@ -1,47 +0,0 @@
-const std = @import("std");
-
-/// This script replaces a matching license header from .zig source files in a directory tree
-/// with the `new_header` below.
-const new_header = "";
-
-pub fn main() !void {
-    var progress = std.Progress{};
-    const root_node = progress.start("", 0);
-    defer root_node.end();
-
-    var arena_allocator = std.heap.ArenaAllocator.init(std.heap.page_allocator);
-    const arena = arena_allocator.allocator();
-
-    const args = try std.process.argsAlloc(arena);
-    const path_to_walk = args[1];
-    const dir = try std.fs.cwd().openDir(path_to_walk, .{ .iterate = true });
-
-    var walker = try dir.walk(arena);
-    defer walker.deinit();
-
-    var buffer: [500]u8 = undefined;
-    const expected_header = buffer[0..try std.io.getStdIn().readAll(&buffer)];
-
-    while (try walker.next()) |entry| {
-        if (!std.mem.endsWith(u8, entry.basename, ".zig"))
-            continue;
-
-        var node = root_node.start(entry.basename, 0);
-        node.activate();
-        defer node.end();
-
-        const source = try dir.readFileAlloc(arena, entry.path, 20 * 1024 * 1024);
-        if (!std.mem.startsWith(u8, source, expected_header)) {
-            std.debug.print("no match: {s}\n", .{entry.path});
-            continue;
-        }
-
-        const truncated_source = source[expected_header.len..];
-
-        const new_source = try arena.alloc(u8, truncated_source.len + new_header.len);
-        @memcpy(new_source[0..new_source.len], new_header);
-        @memcpy(new_source[new_header.len .. new_header.len + truncated_source.len], truncated_source);
-
-        try dir.writeFile(entry.path, new_source);
-    }
-}