index versions

.github/workflows/index-versions.yml

@@ -0,0 +1,30 @@
+name: Index Version Sets
+
+on:
+  schedule:
+    # Run at minute 0 and 30 every hour
+    - cron: '0,30 * * * *'
+env:
+  LATEST_CHANNEL_DIR: ./channel-fuel-latest.toml.d/
+
+jobs:
+  index-version-sets:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout master
+        uses: actions/checkout@v3
+
+      - name: Get latest version (forc) and publish if needed
+        run: |
+          curl -s "https://fuellabs.github.io/fuelup/channel-fuel-latest.toml" -L -o channel-fuel-latest.toml
+          mkdir -p ${{ env.LATEST_CHANNEL_DIR }}
+          ./.github/workflows/index-versions.sh
+          cp channel-fuel-latest.toml ${{ env.LATEST_CHANNEL_DIR }}
+
+      - name: Deploy latest
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          keep_files: true
+          publish_dir: ${{ env.LATEST_CHANNEL_DIR }}
+          destination_dir: ./

.github/workflows/scripts/index-versions.sh

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+#!/bin/bash
+set -e
+
+latest_version() {
+    _latest_version="$(curl -s https://api.github.com/repos/FuelLabs/"${1}"/releases/latest | grep "tag_name" | cut -d "\"" -f4 | cut -c 2-)"
+    RETVAL="$_latest_version"
+}
+
+add_url_and_hash() {
+    _url="https://github.com/FuelLabs/$1/releases/download/v$2/$3"
+    # shasum generates extra output so we take the first 64 bytes.
+    curl -sSf "${_url}" -L -o "${3}"
+    _hash=$(shasum -a 256 "$3" | head -c 64)
+    printf "url = \"%s\"\n" "${_url}" >>channel-fuel-latest.toml
+    printf "hash = \"%s\"\n\n" "${_hash}" >>channel-fuel-latest.toml
+}
+
+copy_same_pkg() {
+    printf "%s: same latest version (%s); no changes needed\n" "${1}" "${2}"
+    # find all headers along with the next 2 lines (url, hash) below lines matching [pkg.forc...], replace -- separator and pipe into new toml
+    grep -A2 "^\[pkg.$1" channel-fuel-latest.tmp.toml | sed 's/--//g' >>channel-fuel-latest.toml
+    printf '\n' >>channel-fuel-latest.toml
+}
+
+create_new_pkg() {
+    printf "%s: Generating new packages\n" "${1}"
+    printf "[pkg.%s]\n" "${1}" >>channel-fuel-latest.toml
+    printf "version = \"%s\"\n" "${2}" >>channel-fuel-latest.toml
+}
+
+create_pkg_in_channel() {
+    case "${1}" in
+        "forc")
+            _targets=("darwin_amd64" "darwin_arm64" "linux_amd64" "linux_arm64")
+            _repo="sway"
+            _tarball_prefix="forc-binaries"
+            ;;
+        "fuel-core")
+            _targets=("aarch64-apple-darwin" "aarch64-unknown-linux-gnu" "x86_64-apple-darwin" "x86_64-unknown-linux-gnu")
+            _repo="fuel-core"
+            _tarball_prefix="fuel-core-${2}"
+            ;;
+    esac
+
+    if [ "$2" = "$3" ]; then
+        # We simply copy the section of the old channel-fuel-latest.toml if no changes are needed.
+        copy_same_pkg "$1" "$2"
+    else
+        # We need to recreate channel-fuel-latest.toml, generating new URLs and sha256 hashes for the download links.
+        printf "%s: new version available: %s -> %s\n" "${1}" "${3}" "${2}"
+        create_new_pkg "$1" "$2"
+        for target in "${_targets[@]}"; do
+            printf "[pkg.%s.target.%s]\n" "$1" "${target}" >>channel-fuel-latest.toml
+            add_url_and_hash $_repo "$2" "$_tarball_prefix-${target}.tar.gz"
+        done
+    fi
+}
+
+main() {
+    latest_version sway
+    FORC_LATEST_VERSION="$RETVAL"
+    latest_version fuel-core
+    FUEL_CORE_LATEST_VERSION="$RETVAL"
+
+    FORC_CURRENT_VERSION="$(grep -A1 "\[pkg.forc\]" channel-fuel-latest.toml | grep "version" | cut -d "\"" -f 2- | rev | cut -c 2- | rev)"
+    FUEL_CORE_CURRENT_VERSION="$(grep -A1 "\[pkg.fuel-core\]" channel-fuel-latest.toml | grep "version" | cut -d "\"" -f 2- | rev | cut -c 2- | rev)"
+
+    if [ "${FORC_LATEST_VERSION}" = "${FORC_CURRENT_VERSION}" ] && [ "${FUEL_CORE_LATEST_VERSION}" = "${FUEL_CORE_CURRENT_VERSION}" ]; then
+        printf "No new forc and fuel-core versions; exiting\n"
+        exit 0
+    fi
+
+    mv channel-fuel-latest.toml channel-fuel-latest.tmp.toml
+    # Cleanup tmp and downloaded tars/bin folders
+    trap 'rm channel-fuel-latest.tmp.toml *.tar.gz' ERR EXIT
+
+    create_pkg_in_channel forc "${FORC_LATEST_VERSION}" "${FORC_CURRENT_VERSION}"
+    create_pkg_in_channel fuel-core "${FUEL_CORE_LATEST_VERSION}" "${FUEL_CORE_CURRENT_VERSION}"
+
+    printf "Done.\n"
+    exit 0
+}
+
+main || exit 1