tjh.dev
1#!/usr/bin/env nix-shell
2#!nix-shell -i bash -p curl gnugrep gnused jq nurl
3
4set -x -eu -o pipefail
5
6MAJOR_VERSION=3
7MINOR_VERSION=5
8
9ETCD_PATH="$(dirname "$0")"
10ETCD_VERSION_MAJOR_MINOR=${MAJOR_VERSION}.${MINOR_VERSION}
11ETCD_PKG_NAME=etcd_${MAJOR_VERSION}_${MINOR_VERSION}
12NIXPKGS_PATH="$(git rev-parse --show-toplevel)"
13
14LATEST_TAG=$(curl ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} \
15 --silent https://api.github.com/repos/etcd-io/etcd/releases \
16 | jq -r 'map(select(.prerelease == false))' \
17 | jq -r 'map(.tag_name)' \
18 | grep "v${ETCD_VERSION_MAJOR_MINOR}." \
19 | sed 's|[", ]||g' \
20 | sort -rV | head -n1 )
21
22LATEST_VERSION=$(echo ${LATEST_TAG} | sed 's/^v//')
23
24OLD_VERSION="$(nix-instantiate --eval -E "with import $NIXPKGS_PATH {}; \
25 $ETCD_PKG_NAME.version or (builtins.parseDrvName $ETCD_PKG_NAME.name).version" | tr -d '"')"
26
27if [ ! "$OLD_VERSION" = "$LATEST_VERSION" ]; then
28 echo "Attempting to update etcd from $OLD_VERSION to $LATEST_VERSION"
29 ETCD_SRC_HASH=$(nix-prefetch-url --quiet --unpack https://github.com/etcd-io/etcd/archive/refs/tags/${LATEST_TAG}.tar.gz)
30 ETCD_SRC_HASH=$(nix --extra-experimental-features nix-command hash to-sri --type sha256 $ETCD_SRC_HASH)
31
32 setKV () {
33 sed -i "s|$1 = \".*\"|$1 = \"${2:-}\"|" "$ETCD_PATH/default.nix"
34 }
35
36 setKV version $LATEST_VERSION
37 setKV etcdSrcHash $ETCD_SRC_HASH
38
39 getAndSetVendorHash () {
40 local EMPTY_HASH="sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=" # Hash from lib.fakeHash
41 local VENDOR_HASH=$EMPTY_HASH
42 local PKG_KEY=$1
43 local INNER_PKG=$2
44
45 setKV $PKG_KEY $EMPTY_HASH
46
47 set +e
48 VENDOR_HASH=$(nurl -e "(import ${NIXPKGS_PATH}/. {}).$ETCD_PKG_NAME.passthru.$INNER_PKG.goModules")
49 set -e
50
51 if [ -n "${VENDOR_HASH:-}" ]; then
52 setKV $PKG_KEY $VENDOR_HASH
53 else
54 echo "Update failed. $PKG_KEY is empty."
55 exit 1
56 fi
57 }
58
59 getAndSetVendorHash etcdServerVendorHash etcdserver
60 getAndSetVendorHash etcdUtlVendorHash etcdutl
61 getAndSetVendorHash etcdCtlVendorHash etcdctl
62
63 # `git` flag here is to be used by local maintainers to speed up the bump process
64 if [ $# -eq 1 ] && [ "$1" = "git" ]; then
65 git switch -c "package-$ETCD_PKG_NAME-$LATEST_VERSION"
66 git add "$ETCD_PATH"/default.nix
67 git commit -m "$ETCD_PKG_NAME: $OLD_VERSION -> $LATEST_VERSION
68
69Release: https://github.com/etcd-io/etcd/releases/tag/$LATEST_TAG"
70 fi
71
72else
73 echo "etcd is already up-to-date at $OLD_VERSION"
74fi