modrinth-enhanced, modrinth-enhanced-bin: new packages

modrinth-enhanced-bin/pkg.sh

@@ -0,0 +1,45 @@
+# modrinth-enhanced-bin - Modrinth Enhanced (https://github.com/Felitendo/Modrinth-Enhanced),
+# the Modrinth App (Tauri) with a series of patches applied: no ads, no
+# telemetry, offline and Ely.by accounts, Linux fixes.
+#
+# Upstream publishes a bundled .deb per release, so there is no build step
+# here: on a new version only pkgver, the tag, the asset name and the checksum
+# are refreshed and the PKGBUILD repackages the deb directly.
+#
+# Releases are tagged after the Modrinth App release they are built on
+# (v0.21.2). When the patches change without a new Modrinth App release, the
+# rebuild is tagged as a revision (v0.21.2-2) while the app and its .deb keep
+# the plain version. pkgver turns the hyphen into ".r" (0.21.2.r2), which
+# pacman sorts after 0.21.2 and before 0.21.3, so no epoch is needed.
+#
+# Upstream's release workflow creates the release together with its assets
+# only after all three platforms built, so /releases/latest never points at a
+# release whose .deb is still missing.
+
+UPSTREAM_REPO="Felitendo/Modrinth-Enhanced"
+
+latest_version() {
+  gh api "repos/$UPSTREAM_REPO/releases/latest" --jq '.tag_name' | sed 's/^v//; s/-/.r/'
+}
+
+# refresh_checksums <version> <pkgbuild-path>
+refresh_checksums() {
+  local ver="$1" pkgbuild="$2"
+  local tag="v${ver/.r/-}" asset sha
+
+  asset="$(gh api "repos/$UPSTREAM_REPO/releases/tags/$tag" \
+    --jq '.assets[].name | select(endswith("_amd64.deb"))')"
+  if [[ -z "$asset" || "$asset" == *$'\n'* ]]; then
+    echo "could not find exactly one amd64 .deb in release $tag" >&2
+    return 1
+  fi
+
+  sha="$(curl -sfL "https://github.com/$UPSTREAM_REPO/releases/download/$tag/$asset" \
+    | sha256sum | cut -d' ' -f1)"
+
+  sed -i \
+    -e "s|^_tag=.*|_tag=\"$tag\"|" \
+    -e "s|^_asset=.*|_asset=\"$asset\"|" \
+    -e "s|^sha256sums=.*|sha256sums=('$sha')|" \
+    "$pkgbuild"
+}