From 7bae6d90648e6ef0782c7f5e8a72066742feacaf Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sun, 8 Oct 2023 17:26:02 -0700
Subject: [PATCH] fix dependencies.zig generation with no dependencies

---
 src/Package/Fetch.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Package/Fetch.zig b/src/Package/Fetch.zig
index ed82c0006a..b57117ce97 100644
--- a/src/Package/Fetch.zig
+++ b/src/Package/Fetch.zig
@@ -116,8 +116,11 @@ pub const JobQueue = struct {
     pub fn createDependenciesSource(jq: *JobQueue, buf: *std.ArrayList(u8)) Allocator.Error!void {
         const keys = jq.table.keys();
 
-        if (keys.len == 0)
+        assert(keys.len != 0); // caller should have added the first one
+        if (keys.len == 1) {
+            // This is the first one. It must have no dependencies.
             return createEmptyDependenciesSource(buf);
+        }
 
         try buf.appendSlice("pub const packages = struct {\n");