1 files changed, 66 insertions, 0 deletions
diff --git a/pkgs/development/tools/omnisharp-roslyn/create-deps.sh b/pkgs/development/tools/omnisharp-roslyn/create-deps.sh
new file mode 100755
index 00000000000..402d64c9b61
--- /dev/null
+++ b/pkgs/development/tools/omnisharp-roslyn/create-deps.sh
@@ -0,0 +1,66 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p msbuild -p jq -p xmlstarlet -p curl
+set -euo pipefail
+
+cat << EOL
+{ fetchurl }: [
+EOL
+
+tmpdir="$(mktemp -d -p "$(pwd)")" # must be under source root
+trap 'rm -rf "$tmpdir"' EXIT
+
+mapfile -t repos < <(
+    xmlstarlet sel -t -v 'configuration/packageSources/add/@value' -n NuGet.Config |
+        while IFS= read index
+        do
+            curl --compressed -fsL "$index" | \
+                jq -r '.resources[] | select(."@type" == "PackageBaseAddress/3.0.0")."@id"'
+        done
+    )
+
+msbuild -t:restore -p:Configuration=Release -p:RestorePackagesPath="$tmpdir" \
+        -p:RestoreNoCache=true -p:RestoreForce=true \
+        src/OmniSharp.Stdio.Driver/OmniSharp.Stdio.Driver.csproj >&2
+
+cd "$tmpdir"
+for package in *
+do
+    cd "$package"
+    for version in *
+    do
+        found=false
+        for repo in "${repos[@]}"
+        do
+            url="$repo$package/$version/$package.$version.nupkg"
+            if curl -fsL "$url" -o /dev/null
+            then
+                found=true
+                break
+            fi
+        done
+
+        if ! $found
+        then
+            echo "couldn't find $package $version" >&2
+            exit 1
+        fi
+
+        sha256=$(nix-prefetch-url "$url" 2>/dev/null)
+        cat << EOL
+  {
+    name = "$package";
+    version = "$version";
+    src = fetchurl {
+      url = "$url";
+      sha256 = "$sha256";
+    };
+  }
+EOL
+    done
+    cd ..
+done
+cd ..
+
+cat << EOL
+]
+EOL