1 files changed, 160 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/editors/vscode/extensions/_maintainers/update-bin-srcs-lib.sh b/nixpkgs/pkgs/applications/editors/vscode/extensions/_maintainers/update-bin-srcs-lib.sh
new file mode 100755
index 000000000000..e3d1e5fb1397
--- /dev/null
+++ b/nixpkgs/pkgs/applications/editors/vscode/extensions/_maintainers/update-bin-srcs-lib.sh
@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+prefetchExtensionZip() {
+  declare publisher="${1?}"
+  declare name="${2?}"
+  declare version="${3?}"
+
+  1>&2 echo
+  1>&2 echo "------------- Downloading extension ---------------"
+
+  declare extZipStoreName="${publisher}-${name}.zip"
+  declare extUrl="https://${publisher}.gallery.vsassets.io/_apis/public/gallery/publisher/${publisher}/extension/${name}/${version}/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage";
+  1>&2 echo "extUrl='$extUrl'"
+  declare nixPrefetchArgs=( --name "$extZipStoreName" --print-path "$extUrl" )
+
+  1>&2 printf "$ nix-prefetch-url"
+  1>&2 printf " %q" "${nixPrefetchArgs[@]}"
+  1>&2 printf " 2> /dev/null\n"
+  declare zipShaWStorePath
+  zipShaWStorePath=$(nix-prefetch-url "${nixPrefetchArgs[@]}" 2> /dev/null)
+
+  1>&2 echo "zipShaWStorePath='$zipShaWStorePath'"
+  echo "$zipShaWStorePath"
+}
+
+
+prefetchExtensionUnpacked() {
+  declare publisher="${1?}"
+  declare name="${2?}"
+  declare version="${3?}"
+
+  declare zipShaWStorePath
+  zipShaWStorePath="$(prefetchExtensionZip "$publisher" "$name" "$version")"
+
+  declare zipStorePath
+  zipStorePath="$(echo "$zipShaWStorePath" | tail -n1)"
+  1>&2 echo "zipStorePath='$zipStorePath'"
+
+  function rm_tmpdir() {
+    1>&2 printf "rm -rf -- %q\n" "$tmpDir"
+    rm -rf -- "$tmpDir"
+    unset tmpDir
+    trap - INT TERM HUP EXIT
+  }
+  function make_trapped_tmpdir() {
+    tmpDir=$(mktemp -d)
+    trap rm_tmpdir INT TERM HUP EXIT
+  }
+
+  1>&2 echo
+  1>&2 echo "------------- Unpacking extension ---------------"
+
+  make_trapped_tmpdir
+  declare unzipArgs=( -q -d "$tmpDir" "$zipStorePath" )
+  1>&2 printf "$ unzip"
+  1>&2 printf " %q" "${unzipArgs[@]}"
+  1>&2 printf "\n"
+  unzip "${unzipArgs[@]}"
+
+  declare unpackedStoreName="${publisher}-${name}"
+
+  declare unpackedStorePath
+  unpackedStorePath="$(nix add-to-store -n "$unpackedStoreName" "$tmpDir")"
+  declare unpackedSha256
+  unpackedSha256="$(nix hash-path --base32 --type sha256 "$unpackedStorePath")"
+  1>&2 echo "unpackedStorePath='$unpackedStorePath'"
+  1>&2 echo "unpackedSha256='$unpackedSha256'"
+
+  rm_tmpdir
+
+  echo "$unpackedSha256"
+  echo "$unpackedStorePath"
+}
+
+
+prefetchExtensionJson() {
+  declare publisher="${1?}"
+  declare name="${2?}"
+  declare version="${3?}"
+
+  declare unpackedShaWStorePath
+  unpackedShaWStorePath="$(prefetchExtensionUnpacked "$publisher" "$name" "$version")"
+
+  declare unpackedStorePath
+  unpackedStorePath="$(echo "$unpackedShaWStorePath" | tail -n1)"
+  1>&2 echo "unpackedStorePath='$unpackedStorePath'"
+
+  declare jsonShaWStorePath
+  jsonShaWStorePath=$(nix-prefetch-url --print-path "file://${unpackedStorePath}/extension/package.json" 2> /dev/null)
+
+  1>&2 echo "jsonShaWStorePath='$jsonShaWStorePath'"
+  echo "$jsonShaWStorePath"
+}
+
+
+formatExtRuntimeDeps() {
+  declare publisher="${1?}"
+  declare name="${2?}"
+  declare version="${3?}"
+
+  declare jsonShaWStorePath
+  jsonShaWStorePath="$(prefetchExtensionJson "$publisher" "$name" "$version")"
+
+  declare jsonStorePath
+  jsonStorePath="$(echo "$jsonShaWStorePath" | tail -n1)"
+  1>&2 echo "jsonStorePath='$jsonStorePath'"
+
+  # Assume packages without an architectures are for x86_64 and remap arm64 to aarch64.
+  declare jqQuery
+  jqQuery=$(cat <<'EOF'
+.runtimeDependencies
+| map(select(.platforms[] | in({"linux": null, "darwin": null})))
+| map(select(.architectures == null).architectures |= ["x86_64"])
+| map(del(.architectures[] | select(. | in({"x86_64": null, "arm64": null}) | not)))
+| map((.architectures[] | select(. == "arm64")) |= "aarch64")
+| map(select(.architectures != []))
+| .[] | {
+  (.id + "__" + (.architectures[0]) + "-" + (.platforms[0])):
+    {installPath, binaries, urls: [.url, .fallbackUrl] | map(select(. != null))}
+}
+EOF
+)
+
+  1>&2 printf "$ cat %q | jq '%s'\n" "$jsonStorePath" "$jqQuery"
+  cat "$jsonStorePath" | jq "$jqQuery"
+}
+
+
+computeExtRtDepChecksum() {
+  declare rtDepJsonObject="${1?}"
+  declare url
+  url="$(echo "$rtDepJsonObject" | jq -j '.[].urls[0]')"
+  declare sha256
+  1>&2 printf "$ nix-prefetch-url '%s'\n" "$url"
+  sha256="$(nix-prefetch-url "$url")"
+  1>&2 echo "$sha256"
+  echo "$sha256"
+}
+
+
+computeAndAttachExtRtDepsChecksums() {
+  while read -r rtDepJsonObject; do
+    declare sha256
+    sha256="$(computeExtRtDepChecksum "$rtDepJsonObject")"
+    echo "$rtDepJsonObject" | jq --arg sha256 "$sha256" '.[].sha256 = $sha256'
+  done < <(cat - | jq  -c '.')
+}
+
+
+jqStreamToJson() {
+  cat - | jq --slurp '. | add'
+}
+
+
+jsonToNix() {
+  # TODO: Replacing this non functional stuff with a proper json to nix
+  # implementation would allow us to produce a 'rt-deps-bin-srcs.nix' file instead.
+  false
+  cat - | sed -E -e 's/": /" = /g' -e 's/,$/;/g' -e 's/  }$/  };/g'  -e 's/  ]$/  ];/g'
+}