1 files changed, 50 insertions, 0 deletions
diff --git a/pkgs/by-name/fl/fluxcd/update.sh b/pkgs/by-name/fl/fluxcd/update.sh
new file mode 100755
index 0000000000000..1763b37d33285
--- /dev/null
+++ b/pkgs/by-name/fl/fluxcd/update.sh
@@ -0,0 +1,50 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl gnugrep gnused jq
+
+set -x -eu -o pipefail
+
+NIXPKGS_PATH="$(git rev-parse --show-toplevel)"
+FLUXCD_PATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+
+OLD_VERSION="$(nix-instantiate --eval -E "with import $NIXPKGS_PATH {}; fluxcd.version or (builtins.parseDrvName fluxcd.name).version" | tr -d '"')"
+LATEST_TAG=$(curl ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} --silent https://api.github.com/repos/fluxcd/flux2/releases/latest | jq -r '.tag_name')
+LATEST_VERSION=$(echo ${LATEST_TAG} | sed 's/^v//')
+
+if [ ! "$OLD_VERSION" = "$LATEST_VERSION" ]; then
+    SHA256=$(nix-prefetch-url --quiet --unpack https://github.com/fluxcd/flux2/archive/refs/tags/${LATEST_TAG}.tar.gz)
+    SHA256=$(nix hash to-sri --type sha256 $SHA256)
+    SPEC_SHA256=$(nix-prefetch-url --quiet --unpack https://github.com/fluxcd/flux2/releases/download/${LATEST_TAG}/manifests.tar.gz)
+    SPEC_SHA256=$(nix hash to-sri --type sha256 $SPEC_SHA256)
+
+    setKV () {
+        sed -i "s|$1 = \".*\"|$1 = \"${2:-}\"|" "${FLUXCD_PATH}/default.nix"
+    }
+
+    setKV version ${LATEST_VERSION}
+    setKV sha256 ${SHA256}
+    setKV manifestsSha256 ${SPEC_SHA256}
+    setKV vendorHash "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=" # The same as lib.fakeHash
+
+    set +e
+    VENDOR_HASH=$(nix-build --no-out-link -A fluxcd $NIXPKGS_PATH 2>&1 >/dev/null | grep "got:" | cut -d':' -f2 | sed 's| ||g')
+    VENDOR_HASH=$(nix hash to-sri --type sha256 $VENDOR_HASH)
+    set -e
+
+    if [ -n "${VENDOR_HASH:-}" ]; then
+        setKV vendorHash ${VENDOR_HASH}
+    else
+        echo "Update failed. VENDOR_HASH is empty."
+        exit 1
+    fi
+
+    # `git` flag here is to be used by local maintainers to speed up the bump process
+    if [ $# -eq 1 ] && [ "$1" = "git" ]; then
+        git switch -c "package-fluxcd-${LATEST_VERSION}"
+        git add "$FLUXCD_PATH"/default.nix
+        git commit -m "fluxcd: ${OLD_VERSION} -> ${LATEST_VERSION}
+
+Release: https://github.com/fluxcd/flux2/releases/tag/v${LATEST_VERSION}"
+    fi
+else
+    echo "fluxcd is already up-to-date at $OLD_VERSION"
+fi