Commit 3179961854

@@ -250,7 +250,7 @@ pub fn create(
     build_root: Cache.Directory,
     cache_root: Cache.Directory,
     available_deps: AvailableDeps,
-) !*Build {
+) error{OutOfMemory}!*Build {
     const arena = graph.arena;
 
     const b = try arena.create(Build);
@@ -318,7 +318,7 @@ fn createChild(
     pkg_hash: []const u8,
     pkg_deps: AvailableDeps,
     user_input_options: UserInputOptionsMap,
-) !*Build {
+) error{OutOfMemory}!*Build {
     const child = try createChildOnly(parent, dep_name, build_root, pkg_hash, pkg_deps, user_input_options);
     try determineAndApplyInstallPrefix(child);
     return child;
@@ -331,7 +331,7 @@ fn createChildOnly(
     pkg_hash: []const u8,
     pkg_deps: AvailableDeps,
     user_input_options: UserInputOptionsMap,
-) !*Build {
+) error{OutOfMemory}!*Build {
     const allocator = parent.allocator;
     const child = try allocator.create(Build);
     child.* = .{
@@ -623,7 +623,7 @@ fn hashUserInputOptionsMap(allocator: Allocator, user_input_options: UserInputOp
         user_option.hash(hasher);
 }
 
-fn determineAndApplyInstallPrefix(b: *Build) !void {
+fn determineAndApplyInstallPrefix(b: *Build) error{OutOfMemory}!void {
     // Create an installation directory local to this package. This will be used when
     // dependant packages require a standard prefix, such as include directories for C headers.
     var hash = b.graph.cache.hash;
@@ -1684,7 +1684,7 @@ pub fn standardTargetOptionsQueryOnly(b: *Build, args: StandardTargetOptionsArgs
     return args.default_target;
 }
 
-pub fn addUserInputOption(b: *Build, name_raw: []const u8, value_raw: []const u8) !bool {
+pub fn addUserInputOption(b: *Build, name_raw: []const u8, value_raw: []const u8) error{OutOfMemory}!bool {
     const name = b.dupe(name_raw);
     const value = b.dupe(value_raw);
     const gop = try b.user_input_options.getOrPut(name);
@@ -1736,7 +1736,7 @@ pub fn addUserInputOption(b: *Build, name_raw: []const u8, value_raw: []const u8
     return false;
 }
 
-pub fn addUserInputFlag(b: *Build, name_raw: []const u8) !bool {
+pub fn addUserInputFlag(b: *Build, name_raw: []const u8) error{OutOfMemory}!bool {
     const name = b.dupe(name_raw);
     const gop = try b.user_input_options.getOrPut(name);
     if (!gop.found_existing) {
@@ -1808,7 +1808,7 @@ pub fn validateUserInputDidItFail(b: *Build) bool {
     return b.invalid_user_input;
 }
 
-fn allocPrintCmd(ally: Allocator, opt_cwd: ?[]const u8, argv: []const []const u8) ![]u8 {
+fn allocPrintCmd(ally: Allocator, opt_cwd: ?[]const u8, argv: []const []const u8) error{OutOfMemory}![]u8 {
     var buf = ArrayList(u8).init(ally);
     if (opt_cwd) |cwd| try buf.writer().print("cd {s} && ", .{cwd});
     for (argv) |arg| {
@@ -1903,7 +1903,7 @@ pub fn addCheckFile(
     return Step.CheckFile.create(b, file_source, options);
 }
 
-pub fn truncateFile(b: *Build, dest_path: []const u8) !void {
+pub fn truncateFile(b: *Build, dest_path: []const u8) (fs.Dir.MakeError || fs.Dir.StatFileError)!void {
     if (b.verbose) {
         log.info("truncate {s}", .{dest_path});
     }
@@ -1990,7 +1990,7 @@ fn tryFindProgram(b: *Build, full_path: []const u8) ?[]const u8 {
     return null;
 }
 
-pub fn findProgram(b: *Build, names: []const []const u8, paths: []const []const u8) ![]const u8 {
+pub fn findProgram(b: *Build, names: []const []const u8, paths: []const []const u8) error{FileNotFound}![]const u8 {
     // TODO report error for ambiguous situations
     for (b.search_prefixes.items) |search_prefix| {
         for (names) |name| {