add a Shell builtin, default fish, with per-family prompt integration

1 files changed, 9 insertions, 0 deletions

diff --git a/test/snapshot.zig b/test/snapshot.zig
index 39350bee..36a5b20b 100644
--- a/test/snapshot.zig
+++ b/test/snapshot.zig
@@ -311,6 +311,15 @@ fn runScript(arena: std.mem.Allocator, exe_z: [:0]const u8, script_path: []const
     // XDG directory that points outside this per-snapshot fake home.
     const config_home = try std.fmt.allocPrintSentinel(arena, "{s}/.config", .{home}, 0);
     _ = setenv("XDG_CONFIG_HOME", config_home, 1);
+    // ...and it is not empty: the DEFAULT shell is fish, whose prompt carries
+    // a hostname and whose greeting carries a version, so a golden taken
+    // against it would be a golden for this machine. Every script here runs
+    // bash — the .bashrc above pins its prompt to `$ ` — and the fish path is
+    // covered by shell_bin.zig's unit tests instead. This is an ordinary
+    // config file going through the ordinary startup-config path, so it also
+    // proves `Shell <name>` is dispatchable from one.
+    try mkdir(arena, config_home, false);
+    try eh.writeFile(try std.fmt.allocPrintSentinel(arena, "{s}/pardes", .{config_home}, 0), "Shell bash\n");
     _ = setenv("TERM", "xterm-256color", 1);
     _ = setenv("LC_ALL", "C", 1);
     // a wall clock cannot live in a golden; everything that would print one