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path: root/aux/workflow/sign-tarballs.sh
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#!/bin/sh
set -eu

PROJECT="$1"

SIGNATURES="$(git notes --ref=refs/notes/signatures/tar.gz list | cut -d\  -f2)"
for tag in $(git tag); do
  COMMIT="$(git rev-list -n1 "$tag")"
  if ! echo "$SIGNATURES" | grep -qF "$COMMIT"; then
    echo "Adding missing signature to $tag" >&2
    git notes --ref=refs/notes/signatures/tar.gz add -f -C "$(
      git archive --format tar.gz --prefix "$PROJECT-${tag#v}/" "$tag" |
      gpg --output - --armor --detach-sign |
      git hash-object -w --stdin
    )" "$tag"
  fi
done