From 3d326d4e3fa6aa026f4e7568327b3fa007ab8cb6 Mon Sep 17 00:00:00 2001
From: Tom McLaughlin <tom@codedown.io>
Date: Mon, 28 Nov 2022 22:14:21 -0700
Subject: [PATCH] Handle multiple artifacts with a given os/arch in
 extract_artifacts.jl

---
 extract_artifacts.jl | 39 ++++++++++++++++++++++++++-------------
 1 file changed, 26 insertions(+), 13 deletions(-)

diff --git a/extract_artifacts.jl b/extract_artifacts.jl
index abc23c0..ee3340d 100755
--- a/extract_artifacts.jl
+++ b/extract_artifacts.jl
@@ -19,22 +19,35 @@ platform = platform_key_abi()
 # It's possible for the artifacts to have multiple entries with the same sha1,
 # so group by that first
 sha1_to_meta = Dict{String, Vector{Tuple{String, Any}}}()
-for (artifact_name, value) in artifact_dict
-    meta = artifact_meta(artifact_name, artifact_dict, artifacts_toml; platform=platform)
-    sha1 = meta["git-tree-sha1"]
-
-    if !haskey(sha1_to_meta, sha1)
-        sha1_to_meta[sha1] = []
+for (artifact_name, items) in artifact_dict
+    if !isa(items, Vector)
+        items = [items];
     end
 
-    push!(sha1_to_meta[sha1], (artifact_name, meta))
+    # Get all possible artifacts that match our current os/arch.
+    # If they don't specify either key, consider it a match just to be safe.
+    for meta in items
+        if !(
+            !haskey(meta, "os") || meta["os"] == platform["os"]
+            &&
+            !haskey(meta, "arch") || meta["arch"] == platform["arch"]
+            )
+            continue
+        end
+
+        sha1 = meta["git-tree-sha1"]
+        if !haskey(sha1_to_meta, sha1)
+            sha1_to_meta[sha1] = []
+        end
+        push!(sha1_to_meta[sha1], (artifact_name, meta))
+    end
 end
 
 # Print a Nix attrset where the keys are sha1 hashes and the values
 # are lists of "artifact infos"
 print("{")
 for (sha1, metas) in sha1_to_meta
-    print("""\n    "$sha1" = [""")
+    print("""\n  "$sha1" = [""")
 
     for (index, (artifact_name, meta)) in enumerate(metas)
         for download in meta["download"]
@@ -44,13 +57,13 @@ for (sha1, metas) in sha1_to_meta
                 print(" ")
             end
             print("{")
-            print("\n      name = \"$artifact_name\";")
-            print("\n      url = \"$url\";")
-            print("\n      sha256 = \"$sha256\";")
-            print("\n    }")
+            print("\n    name = \"$artifact_name\";")
+            print("\n    url = \"$url\";")
+            print("\n    sha256 = \"$sha256\";")
+            print("\n  }")
         end
     end
 
     print("];")
 end
-print("\n  }")
+print("\n}")