work around Zig issue 12816

.github/workflows/build.yml

@@ -6,6 +6,9 @@ concurrency:
   group: ${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  PATH: "/"
+
 jobs:
   build:
     runs-on: ubuntu-latest

build.zig

@@ -60,6 +60,7 @@ pub fn build(b: *std.Build) !void {
         .link_libc = true,
     });
     const run_tests = b.addRunArtifact(tests);
+    run_tests.step.dependOn(b.getInstallStep());
     test_step.dependOn(&run_tests.step);
 }
 

src/test.zig

@@ -166,9 +166,13 @@ fn runCommand(db_path: []const u8, input: []const u8) !void {
     for (try splitArg(input)) |arg| {
         try argv.append(arg);
     }
+    var env = std.process.EnvMap.init(allocator);
+    try env.put("PATH", "/");
     const result = try std.ChildProcess.exec(.{
         .allocator = allocator,
         .argv = argv.items,
+        // Work around https://github.com/ziglang/zig/issues/12816
+        .env_map = &env,
     });
     if (print_output) {
         std.debug.print("{s} >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", .{input});