1 files changed, 41 insertions, 0 deletions
diff --git a/pkgs/applications/networking/cluster/cmctl/update.sh b/pkgs/applications/networking/cluster/cmctl/update.sh
new file mode 100755
index 000000000000..70b088a6880a
--- /dev/null
+++ b/pkgs/applications/networking/cluster/cmctl/update.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl gnugrep gnused jq
+
+set -x -eu -o pipefail
+
+NIXPKGS_PATH="$(git rev-parse --show-toplevel)"
+CMCTL_PATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+
+OLD_VERSION="$(nix-instantiate --eval -E "with import $NIXPKGS_PATH {}; cmctl.version or (builtins.parseDrvName cmctl.name).version" | tr -d '"')"
+LATEST_TAG="$(curl -s ${GITHUB_TOKEN:+"-u \":$GITHUB_TOKEN\""} "https://api.github.com/repos/cert-manager/cert-manager/releases" | jq '.[].tag_name' --raw-output | sed '/-/d' | sort --version-sort -r | head -n 1)"
+LATEST_VERSION="${LATEST_TAG:1}"
+
+if [ ! "$OLD_VERSION" = "$LATEST_VERSION" ]; then
+    SHA256=$(nix-prefetch-url --quiet --unpack https://github.com/cert-manager/cert-manager/archive/refs/tags/${LATEST_TAG}.tar.gz)
+    TAG_SHA=$(curl -s ${GITHUB_TOKEN:+"-u \":$GITHUB_TOKEN\""}  "https://api.github.com/repos/cert-manager/cert-manager/git/ref/tags/${LATEST_TAG}" | jq -r '.object.sha')
+    TAG_COMMIT_SHA=$(curl -s ${GITHUB_TOKEN:+"-u \":$GITHUB_TOKEN\""} "https://api.github.com/repos/cert-manager/cert-manager/git/tags/${TAG_SHA}" | jq '.object.sha' --raw-output)
+
+    setKV () {
+        sed -i "s|$1 = \".*\"|$1 = \"${2:-}\"|" "${CMCTL_PATH}/default.nix"
+    }
+
+    setKV version ${LATEST_VERSION}
+    setKV sha256 "${SHA256}"
+    setKV rev ${TAG_COMMIT_SHA}
+    setKV vendorSha256 "0000000000000000000000000000000000000000000000000000" # The same as lib.fakeSha256
+
+    set +e
+    VENDOR_SHA256=$(nix-build --no-out-link -A cmctl $NIXPKGS_PATH 2>&1 >/dev/null | grep "got:" | cut -d':' -f2 | sed 's| ||g')
+    set -e
+
+    if [ -n "${VENDOR_SHA256:-}" ]; then
+        setKV vendorSha256 ${VENDOR_SHA256}
+    else
+        echo "Update failed. VENDOR_SHA256 is empty."
+        exit 1
+    fi
+
+    echo "updated cmctl to $LATEST_VERSION, please commit changes."
+else
+    echo "cmctl is already up-to-date at $OLD_VERSION"
+fi