256 lines
9.2 KiB
YAML
256 lines
9.2 KiB
YAML
name: Upstream release
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# Watches Modrinth for a new Modrinth App release, rebuilds Modrinth Enhanced
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# on top of it, and publishes a release of our own if everything still works.
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# When the patches changed since our last release of that upstream version,
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# it publishes them again as a revision: v1.2.3-2, v1.2.3-3, ...
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#
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# Nothing is published unless the patches applied, the checks passed and all
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# three platforms built, so an upstream change that breaks a patch stops here
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# and reports a failure instead of shipping a broken build.
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on:
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schedule:
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- cron: '17 6 * * *'
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workflow_dispatch:
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inputs:
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upstream-ref:
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description: Build this upstream tag instead of the newest one
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type: string
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required: false
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permissions:
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contents: write
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concurrency:
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group: upstream-release
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cancel-in-progress: false
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jobs:
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detect:
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name: Detect
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runs-on: ubuntu-latest
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outputs:
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upstream: ${{ steps.check.outputs.upstream }}
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tag: ${{ steps.check.outputs.tag }}
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revision: ${{ steps.check.outputs.revision }}
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proceed: ${{ steps.check.outputs.proceed }}
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steps:
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- uses: actions/checkout@v4
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- name: Decide what to release
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id: check
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env:
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REQUESTED: ${{ inputs.upstream-ref }}
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run: |
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set -euo pipefail
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current="$(tr -d '[:space:]' < upstream.txt)"
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upstream="${REQUESTED:-$(scripts/latest-upstream.sh)}"
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echo "upstream=$upstream" >> "$GITHUB_OUTPUT"
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echo "Upstream release: $upstream (we are on $current)"
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# Our newest release of it, as "<revision> <tag>". The plain tag is
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# revision 1.
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last="$(
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git ls-remote --tags --refs origin "$upstream" "$upstream-*" |
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sed 's#.*refs/tags/##' |
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awk -v up="$upstream" '
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$0 == up { print 1, $0; next }
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index($0, up "-") == 1 {
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n = substr($0, length(up) + 2)
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if (n ~ /^[0-9]+$/) print n, $0
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}' |
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sort -n |
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tail -1
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)"
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if [ -z "$last" ]; then
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revision=1
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tag="$upstream"
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else
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last_tag="${last#* }"
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git fetch --no-tags --depth=1 origin "refs/tags/$last_tag:refs/tags/$last_tag"
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# Only what goes into the build counts, not docs or CI.
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if git diff --quiet "$last_tag" HEAD -- patches scripts updater.pub; then
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echo "$last_tag already ships the current patches; nothing to do."
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echo "proceed=false" >> "$GITHUB_OUTPUT"
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exit 0
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fi
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revision="$(( ${last%% *} + 1 ))"
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tag="$upstream-$revision"
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fi
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echo "revision=$revision" >> "$GITHUB_OUTPUT"
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echo "tag=$tag" >> "$GITHUB_OUTPUT"
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echo "proceed=true" >> "$GITHUB_OUTPUT"
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echo "Releasing $tag"
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build:
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name: Build
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needs: detect
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if: needs.detect.outputs.proceed == 'true'
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uses: ./.github/workflows/build.yml
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with:
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upstream-ref: ${{ needs.detect.outputs.upstream }}
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revision: ${{ needs.detect.outputs.revision }}
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secrets: inherit
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release:
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name: Release
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needs: [detect, build]
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runs-on: ubuntu-latest
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steps:
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# The whole history: the release notes are the commits since the last one.
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- uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- name: Record the upstream release we build against
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env:
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UPSTREAM: ${{ needs.detect.outputs.upstream }}
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run: |
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set -euo pipefail
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printf '%s\n' "$UPSTREAM" > upstream.txt
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if git diff --quiet -- upstream.txt; then
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echo "upstream.txt already points at $UPSTREAM"
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exit 0
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fi
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git config user.name 'github-actions[bot]'
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git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
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git commit -m "Track upstream $UPSTREAM" -- upstream.txt
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git push origin HEAD:${{ github.event.repository.default_branch }}
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- name: Download installers
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uses: actions/download-artifact@v4
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with:
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path: artifacts
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merge-multiple: true
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# The app looks for updates in releases/latest/download/latest.json.
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# Spaces in asset names become dots first, as GitHub would make them, so
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# the addresses written into it are exact. A release without signatures
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# stops here: every install it reached could never update again.
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- name: Write the update manifest
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env:
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TAG: ${{ needs.detect.outputs.tag }}
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UPSTREAM: ${{ needs.detect.outputs.upstream }}
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REVISION: ${{ needs.detect.outputs.revision }}
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run: |
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set -euo pipefail
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for file in artifacts/*' '*; do
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if [ -e "$file" ]; then mv "$file" "${file// /.}"; fi
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done
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python3 - <<'EOF'
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import datetime, json, os, pathlib
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artifacts = pathlib.Path("artifacts")
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tag = os.environ["TAG"]
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repository = os.environ["GITHUB_REPOSITORY"]
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# The app's version is the upstream one. A revision comes along as
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# build metadata, which the app compares itself.
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version = os.environ["UPSTREAM"].removeprefix("v")
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if int(os.environ["REVISION"]) > 1:
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version += "+" + os.environ["REVISION"]
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def signed(suffix):
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matches = [p for p in artifacts.iterdir() if p.name.endswith(suffix)]
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if len(matches) != 1:
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raise SystemExit(f"Expected one *{suffix}, found {[p.name for p in matches]}")
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signature = pathlib.Path(f"{matches[0]}.sig")
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if not signature.is_file():
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raise SystemExit(f"{matches[0].name} is not signed: is TAURI_SIGNING_PRIVATE_KEY set?")
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return {
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"signature": signature.read_text().strip(),
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"url": f"https://github.com/{repository}/releases/download/{tag}/{matches[0].name}",
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}
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macos = signed(".app.tar.gz")
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manifest = {
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"version": version,
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"notes": f"Modrinth Enhanced {tag}",
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"pub_date": datetime.datetime.now(datetime.timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ"),
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"platforms": {
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"linux-x86_64": signed(".AppImage"),
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"windows-x86_64": signed("-setup.exe"),
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"darwin-x86_64": macos,
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"darwin-aarch64": macos,
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},
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}
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(artifacts / "latest.json").write_text(json.dumps(manifest, indent=2) + "\n")
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print((artifacts / "latest.json").read_text())
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EOF
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- name: Publish the release
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env:
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GH_TOKEN: ${{ github.token }}
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TAG: ${{ needs.detect.outputs.tag }}
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UPSTREAM: ${{ needs.detect.outputs.upstream }}
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run: |
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set -euo pipefail
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ls -la artifacts
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# Every patch by its subject, so the list never falls behind.
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patches="$(
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for patch in patches/0*.patch; do
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awk '/^Subject: /{
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s = $0
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sub(/^Subject: (\[PATCH[^]]*\] )?/, "", s)
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while ((getline line) > 0 && line ~ /^ /) s = s line
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print "- " s
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exit
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}' "$patch"
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done
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)"
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patch_count="$(printf '%s\n' "$patches" | grep -c '^- ' || true)"
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# What changed here since the last release, as its commit subjects.
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# The bump of upstream.txt is left out: the line above already says
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# which Modrinth App this is built from.
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previous="$(gh release view --json tagName --jq .tagName 2>/dev/null || true)"
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changes=""
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if [ -n "$previous" ]; then
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changes="$(
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git log --reverse --no-merges --pretty='- %s' "$previous..HEAD" |
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grep -v '^- Track upstream ' || true
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)"
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fi
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if [ -z "$changes" ]; then
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changes="- Rebuilt on Modrinth App $UPSTREAM, with the patches unchanged."
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fi
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if [ -n "$previous" ]; then
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changes="$changes
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[Everything since $previous](https://github.com/$GITHUB_REPOSITORY/compare/$previous...$TAG)"
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fi
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notes="$(cat <<EOF
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Modrinth Enhanced $TAG, built from [Modrinth App $UPSTREAM](https://github.com/modrinth/code/releases/tag/$UPSTREAM).
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## What changed
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$changes
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Modrinth's own changes are in the [Modrinth App $UPSTREAM release notes](https://github.com/modrinth/code/releases/tag/$UPSTREAM).
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<details>
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<summary>The $patch_count patches in this build</summary>
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$patches
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</details>
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It keeps using the same data directory as the official Modrinth App,
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so instances, settings and accounts carry over. Do not run both at
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the same time.
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EOF
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)"
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# The tag goes on the commit that was built, not on whatever main is
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# by now, so the next run compares against the patches it shipped.
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gh release create "$TAG" \
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--target "$(git rev-parse HEAD)" \
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--title "Modrinth Enhanced $TAG" \
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--notes "$notes" \
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artifacts/*
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