uchiwa: add update script

pkgs/servers/monitoring/uchiwa/update.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl.bin git.out nix jq.out nodePackages.bower2nix
+
+set -euo pipefail
+IFS=$'\n\t'
+
+# set -x
+
+REPO=sensu/uchiwa
+VERSION=0.0.1
+SHA="1111111111111111111111111111111111111111111111111111"
+DIR=$(pwd)
+
+write_src() {
+  cat <<_EOF > $DIR/src.nix
+{
+    version = "${VERSION}";
+    sha256  = "${SHA}";
+}
+_EOF
+}
+
+LATEST_VERSION=$(curl https://api.github.com/repos/${REPO}/tags -s | jq '.[0]' -r | jq .name -r)
+echo "Latest version: ${LATEST_VERSION}"
+
+VERSION=${1:-${LATEST_VERSION}}
+echo "Updating to: ${VERSION}"
+
+TOP=$(git rev-parse --show-toplevel)
+
+cd $(dirname $0)
+
+write_src
+pushd $TOP >/dev/null
+SHA=$(nix-prefetch-url -A uchiwa.src)
+popd >/dev/null
+write_src
+
+curl https://raw.githubusercontent.com/${REPO}/${VERSION}/bower.json -s > bower.json
+rm -f bower-packages.nix
+bower2nix bower.json $DIR/bower-packages.nix
+rm -f bower.json